CN112820103A - Integrated dynamic and static combined marker management and control method and system - Google Patents
Integrated dynamic and static combined marker management and control method and system Download PDFInfo
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- CN112820103A CN112820103A CN202011642427.3A CN202011642427A CN112820103A CN 112820103 A CN112820103 A CN 112820103A CN 202011642427 A CN202011642427 A CN 202011642427A CN 112820103 A CN112820103 A CN 112820103A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0125—Traffic data processing
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- G—PHYSICS
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- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
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Abstract
The invention discloses an integrated dynamic and static combined marker management and control method and system, which comprises the following steps: receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data; dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into an LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
Description
Technical Field
The invention belongs to the technical field of traffic sign management and control, and particularly relates to an integrated dynamic and static combined marker management and control method and system.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The arrangement of road traffic signboards is an indispensable part in the construction process of both municipal roads and expressways. The role of traffic signs in traffic systems is to provide inducement and indication information for drivers on roads.
In the beginning of the 20 th century, the reflective film technology is applied to the road traffic sign manufacturing industry, and the process and the function are remarkably improved. Especially, at night, strong vehicle 'high beam' irradiates the reflective film material on the traffic sign board surface to generate a directional regression (retro-reflection) light source, so that a driver of the vehicle can remotely recognize information content. For the last century, the global road environment has relied on retroreflective traffic sign making technology. However, the defect of the technology is obvious, the 'high beam' of the vehicle can cause non-motor vehicles and pedestrians in the light area to be in the visual blind area, and traffic participants who are not turned on or do not have the 'high beam' condition can not identify the content of the mark information in the dark state, so that multiple hidden dangers are generated by the traffic order and the safety.
At present, a place on a highway is only a destination and a distance from the destination, and a driver cannot directly obtain predicted travel time from a sign board to assist driving decision. Only a high-speed entrance indication mark is arranged on a covered road outside the toll station, the driving direction can be obtained only, the information that the toll station is opened and closed cannot be obtained, and when the toll station is closed due to reasons, a jam event or even a traffic accident is easy to happen near the entrance of the toll station, so that the life and property losses of the country and people are caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide an integrated dynamic and static combined marker management and control method and system, the method can predict the travel time of a distance marker from a running place to a target place of a real-time traffic flow, and adjust the variable display content of the distance marker of the place in real time according to the road traffic service level, weather, emergency and the like.
In order to achieve the purpose, the invention is realized by the following technical scheme:
in a first aspect, an embodiment of the present invention provides an integrated dynamic and static combined marker management and control method, including the following steps:
receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data;
dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into an LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
As a further technical scheme, the LSTM model is obtained by dividing a historical database of the traffic detection equipment into a training set and a testing set and training the training set and the testing set.
As a further technical scheme, the establishment process of the historical database comprises the following steps:
receiving historical traffic detection equipment data, collecting the historical traffic detection equipment data under different characteristics, extracting characteristic attributes and characteristic values of the historical traffic detection equipment data, determining historical driving time according to charging data, and establishing a historical database.
As a further technical scheme, the traffic detection equipment data comprises traffic flow data, traffic meteorological data and traffic characteristic data, wherein the traffic characteristic data is driving time.
As a further technical scheme, the traffic meteorological data comprises meteorological data pile numbers, visibility detection data, light intensity detection data, wind speed and direction detection data, in-tunnel brightness detection data, out-tunnel brightness detection data, temperature and humidity detection data, rain and snow amount detection data and PM2.5/PM10 detection data; and respectively converting the traffic meteorological data into grade characteristics as characteristic values to be input.
As a further technical scheme, the method also comprises the following steps: and receiving third-party data, and performing matrix coupling calculation on the estimated travel time and the third-party data to form final estimated travel time.
As a further technical scheme, the predicted travel time or the predicted travel time is transmitted to a corresponding place distance mark, the place distance mark is provided with a dynamic mark, the dynamic mark is provided with an LED display module, and the place distance mark displays the corresponding travel time through the dynamic mark.
As a further technical scheme, the method also comprises the following steps:
receiving toll station system data;
the passing or closing information of the toll station is extracted to form entrance forenotice information, the entrance forenotice information is transmitted to an entrance forenotice mark, the entrance forenotice mark is provided with a dynamic mark, the dynamic mark is provided with an LED display module, and the entrance forenotice mark displays the passing or closing information of the high-speed entrance through the dynamic mark.
In a second aspect, an embodiment of the present invention further provides an integrated dynamic and static combined marker management and control system, including:
the system comprises a first module, a second module and a third module, wherein the first module is used for receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data;
and the second module is used for dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into the LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
As a further technical solution, the system further comprises a third module for receiving the system data of the toll station; and extracting the passing or closing information of the toll station to form entrance forecast information, transmitting the entrance forecast information to an entrance forecast sign, and displaying the passing or closing information of the high-speed entrance by the entrance forecast sign through a dynamic sign.
The beneficial effects of the above-mentioned embodiment of the present invention are as follows:
the method can predict the travel time of the place distance mark under real-time traffic flow from a target place according to the historical database and the real-time traffic detection equipment data by the LSTM model based on time sequence prediction, and adjust the variable display content of the place distance mark in real time according to the road traffic service level, weather, emergency and the like, thereby achieving the purpose of predicting the travel time of the place distance.
The method of the invention adjusts the variable display content of the entrance forecast sign in real time according to the road traffic condition, such as whether the road is traffic or not caused by the road construction, weather condition or traffic accident and other reasons, by the system data of the toll station, thereby achieving the purpose of forecasting the road traffic condition at the entrance of the highway, effectively avoiding the entrance traffic jam phenomenon of the toll station caused by closing the entrance of the toll station and relieving the traffic jam pressure.
The method of the invention combines the dynamic mark and the static mark, can adapt to the requirement of dynamic management, has low cost and can be widely applied to municipal administration or highways; meanwhile, active light emitting and passive light reflecting are combined, under the condition of ensuring the cost, both the static mark and the dynamic mark can actively emit light, the problem that non-motor vehicles and pedestrians in a light area are in a visual blind area due to the fact that 'high beams' of vehicles can cause the non-motor vehicles and the pedestrians to be in the light area under the condition of night or bad weather with low visibility is effectively solved, the problem that traffic participants who do not open or do not have the 'high beams' condition cannot recognize mark information content under the dark state is solved, and multiple hidden dangers of traffic order and safety are avoided.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the invention and not to limit the invention.
FIG. 1 is a flow diagram of a policing method of the invention according to one or more embodiments;
FIG. 2 is a schematic illustration of a location distance marker in accordance with one or more embodiments of the present invention;
FIG. 3 is a schematic illustration of a sign board of the location distance sign;
FIG. 4 is a schematic illustration of an entry forecast flag;
FIG. 5 is a schematic illustration of a sign board for an entrance forecast sign;
in the figure: the mutual spacing or size is exaggerated to show the position of each part, and the schematic diagram is only used for illustration;
wherein, 1 marks the support, 2 marks the board, 3 crossbeams, 4 stands, 5 marks the basis, 6 stand flanges, 7 marks the bottom plate, 8 static marks, 9 dynamic marks.
Detailed Description
It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the invention as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the invention. As used herein, the singular forms "a", "an", and/or "the" are intended to include the plural forms as well, unless the invention expressly state otherwise, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof;
for convenience of description, the words "up", "down", "left" and "right" in the present invention, if any, merely indicate correspondence with up, down, left and right directions of the drawings themselves, and do not limit the structure, but merely facilitate the description of the invention and simplify the description, rather than indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The terms "mounted", "connected", "fixed", and the like in the present invention should be understood broadly, and for example, the terms "mounted", "connected", "fixed", and the like may be fixedly connected, detachably connected, or integrated; the two components can be connected mechanically or electrically, directly or indirectly through an intermediate medium, or connected internally or in an interaction relationship, and the terms used in the present invention should be understood as having specific meanings to those skilled in the art.
As introduced by the background technology, the prior art has defects, and in order to solve the technical problems, the invention provides an integrated dynamic and static combined marker management and control method and system.
Example 1:
in a typical embodiment of the present invention, as shown in fig. 1, an integrated dynamic and static combined marker management and control method is provided, which includes the following steps:
receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data;
dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into an LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
The estimated travel time is estimated by adopting a multi-factor travel time prediction method according to real-time traffic detection equipment data and combined with historical database data.
In a further scheme, the LSTM model is predicted based on time series and is obtained by dividing a historical database of the traffic detection equipment into a training set and a testing set and training the training set and the testing set.
In a further aspect, the historical database is established by:
the method comprises the steps of respectively arranging traffic detection equipment on different road sections of a highway, receiving historical traffic detection equipment data, collecting the historical traffic detection equipment data under different characteristics, extracting characteristic attributes and characteristic values of the historical traffic detection equipment data, determining historical driving time according to charging data, and establishing a historical database.
In the scheme, the traffic detection equipment is used as a segmentation point, and the distance mark from the place to the target place is segmented into a plurality of road sections according to the clustered traffic detection equipment data.
In a further aspect, the traffic detection device data includes traffic flow data, traffic weather data, and traffic characteristic data. The three data input models refer to characteristic attributes, corresponding data values refer to characteristic values, and meanwhile, due to the fact that the three data input models are adopted, the characteristic that travel time prediction is conducted through multiple factors is reflected.
The traffic flow data comprises traffic flow and traffic speed.
The traffic characteristic data is the driving time, the driving time includes (x month x day, x hour), because the travel time of the expressway at different driving times is different, especially at high-speed free time periods such as holidays and festivals, the traffic time is easy to jam, and the travel time is increased.
The traffic meteorological data comprise meteorological data pile numbers, visibility detection data, light intensity detection data, wind speed and direction detection data, in-tunnel brightness detection data, out-tunnel brightness detection data, temperature and humidity detection data, rain and snow amount detection data and PM2.5/PM10 detection data.
Respectively converting the traffic meteorological data into grade characteristics as characteristic quantity input, for example, converting the rain and snow quantity detection data into rain and snow quantity grade characteristics according to the relation between the grade of the following table and the rain and snow quantity detection data; particularly, the difference value between the luminance detection data inside the tunnel and the luminance detection data outside the tunnel is converted into a grade characteristic to be used as a characteristic quantity to be input, and the difference value between the luminance inside the tunnel and the luminance outside the tunnel can influence the visual field of a driver, so that the travel time is influenced.
In a preferred embodiment, the method further comprises the steps of: and receiving third-party data, and performing matrix coupling calculation on the estimated travel time and the third-party data to form final estimated travel time.
The third-party data refers to third-party estimated traffic time data such as a high-grade map and a Baidu map, and the estimated time data of the high-grade map or the Baidu map can be obtained through an interface.
In a further scheme, the estimated travel time/the predicted travel time is transmitted to a corresponding place distance mark, and the place distance mark displays the corresponding travel time through a dynamic mark.
The location distance mark comprises at least one target location, and the dynamic mark corresponds to the travel time of the location distance mark from the target location.
In a further embodiment, the method of the invention further comprises the steps of:
receiving toll station system data;
the passing or closing information of the toll station in the system data of the toll station is extracted to form entrance forenotice information, the entrance forenotice information is transmitted to an entrance forenotice mark, and the entrance forenotice mark displays the passing or closing information of the high-speed entrance through a dynamic mark.
Wherein, the system data of the toll station also comprises a closing reason when the toll station is closed; the closing reasons are counted.
The entrance forecast mark comprises at least one toll station entrance, and the dynamic mark corresponds to entrance forecast information of the toll station entrance.
Dynamic signs are arranged on the sign boards of the place distance signs and the entrance forenotice signs, and the dynamic signs are provided with LED display modules for displaying corresponding information. The dynamic mark of the place distance mark displays figures, and can dynamically display the estimated passing time of the corresponding arrival place; the dynamic sign of the entrance forenotice sign displays Chinese character font and can dynamically display passing or closing information of the high-speed entrance.
The place distance and passing time signboard is arranged behind the main line confluence point and is used for displaying estimated passing time information under real-time traffic flow through the fusion of road traffic flow detection equipment data and road condition data of a third-party internet company. The entrance notice signboard is disposed on a town road or a covered road before entering a toll station, such as a high-speed entrance overpass, and displays "passage" and "closure" information of the toll station.
The place distance mark and the entrance forenotice mark can be controlled and managed by an integrated dynamic and static combined mark management platform: the distance of the LED of the signboard and the display of the road sign information are combined through real-time intelligent remote control of the platform; the hardware combination marks of all the point positions are sorted depending on network resources, brought into equipment management and well established in communication connection with the equipment; and recording the information of the failed equipment by using an information capturing technology, and giving an alarm in time so as to enable a system administrator to find and solve problems in time.
The management platform can also utilize a visualization technology, and transaction data among equipment and a system to realize the real-time control and analysis functions of field operation data and realize project management; and the user who can operate the integrated dynamic and static combination platform is managed, including registration and the like, so that system management is realized.
The integrated dynamic and static combined sign management platform is a special platform for data management aiming at the combination of a sign board and an LED display screen, is used for controlling the display information such as intelligent display distance and road signs and carrying out real-time control of basic information interaction, realizes effective management on the aspects of basic information of equipment, project management, alarm management, user management and remote control, namely, the distance of the combined sign board through system control, the display of the road signs and the like, belongs to an information management system of the Internet of things, carries out fragmentation integration on all data, develops data service application service, and fully utilizes the data so as to meet the requirements of various main bodies on different layers of transaction data.
The structural composition of the location distance mark and the entrance forenotice mark will be described in detail below.
The place distance sign comprises a sign support 1 and a sign board 2, wherein the sign support is used as a support structure of the whole sign, the sign support is fixedly connected with the sign board, and the sign board is used as an identification structure for displaying corresponding information.
Wherein, the sign support adopts the steel construction to hot galvanizing is anticorrosive.
The sign support sets up a plurality ofly, and a plurality of sign supports all with sign board fixed connection, form the multi-column type structure. In this embodiment, according to the needs of sign layout size and setting position, the sign support sets up two, and two stands all with the denoter fixed connection, form the double-column type structure, and this kind of structure is applicable to place distance and transit time mark. The importance coefficient of the double-column type mark structure takes 0.9.
In a further scheme, the mark support comprises an upright post 4 and a mark foundation 5, the upright post is vertically arranged, the bottom of the upright post is fixedly connected with the mark foundation, and the upper part of the upright post is fixedly connected with the mark plate; in an alternative embodiment, the bottom of the upright post is fixedly connected with an upright post flange 6, and the upright post flange is fixedly connected with the sign foundation through foundation bolts and the like.
In this embodiment, the stand adopts seamless steel pipe, and steel pipe bottom and stand flange welding are fixed through rag bolt and flange and sign basis, and all steel members adopt hot dip galvanizing corrosion protection to be handled, and the fastener zinc-plating volume is 350, and the zinc-plating volume of other steel members is 600. The steel adopted by the upright post meets the requirement of GB 700.
In a further scheme, a sealing cover plate is fixedly arranged on the top surface of the upright column to seal a hollow cavity of the upright column, so that rainwater and dirt are prevented from falling into the hollow cavity, and the use reliability of the upright column is ensured; in this embodiment, the cover plate is a 3mm steel plate welded to the top surface of the pillar to cover the pillar.
In an alternative embodiment, the upright is provided with a plurality of stiffening ribs for reinforcing the upright structure; the upright post and the stiffening rib are welded, and the height of the welding line is not less than 5 mm.
In a further scheme, a foundation flange plate is fixedly arranged at the top of the mark foundation and is fixedly connected with the upright column flange through foundation bolts and the like.
The mark foundation can adopt a C25 reinforced concrete foundation, the bearing capacity of the foundation is not less than 0.17MPa, all foundation embedded parts are subjected to hot-dip galvanizing treatment, the galvanizing amount is 350, the concrete pouring can be carried out at one time, but the levelness and the verticality of the installation of a foundation flange plate must be ensured, after the concrete pouring is finished, the surface of the flange plate is wiped clean, concrete or other foreign matters cannot exist, and the bolt part above the foundation flange plate is wrapped after being coated with butter so as to prevent thread breakage.
The mark plate comprises a mark bottom plate 7, a static mark 8 and a dynamic mark 9, and the static mark and the dynamic mark are embedded into the mark bottom plate.
A static sign capable of active lighting in combination with passive light reflection; the static state display device comprises a first LED display module, a first main control module and a first power supply conversion module, wherein the first LED display module statically displays static state mark patterns; the first LED display module is connected with the first main control module, the first LED display module and the first main control module are both connected with the first power supply conversion module, and the first power supply conversion module is electrically connected with the mains supply and converts 220V mains supply into 5V power to supply power for the first main control module and the first LED display module.
A static mark panel is arranged on the outer side of the first LED display module, the static mark panel can be a retro-reflecting plate made of a light-transmitting material, and a retro-reflecting and light-reflecting film covers the outer side of the static mark panel; at night or under the not good condition in field of vision, start first LED display module, the static sign pattern of retro-reflecting plate and the retro-reflecting reflective membrane display of static sign panel is seen through to the light source of first LED display module, under the good condition in field of vision daytime, closes first LED display module, saves the electric quantity.
The first LED display module can actively emit light, the static mark panel is arranged outside the first LED display module of the static mark, passive light reflection can be carried out, active light emission and passive light reflection are combined, the static mark can be guaranteed to display corresponding information, and cost can be reduced.
In a further scheme, the static mark further comprises a rear shell, the rear shell is connected with the static mark panel through the matching of the connecting hole, the bolt and the gasket, and the first LED display module is arranged in the rear shell.
The switch of the first LED display module of the static mark is detected by a timing setting or a photosensitive sensor, and only the setting is carried out in the main control module when the timing setting is adopted;
when the photosensitive sensor is adopted for detection, the static mark also comprises the photosensitive sensor connected with the first main control module and used for detecting the ambient illuminance; the photosensitive sensor is an ideal electronic sensor which can control the automatic switch of the circuit due to the illumination change in the day brightness and the dark (sunrise and sunset). The photosensitive sensor can automatically control the first LED display module to be switched on and off according to weather, time periods and regions.
In a further scheme, the first main control module can be connected with the Ethernet through a 485 bus and is in communication connection with the background server through a wired mode.
The mark bottom plate can be an aluminum alloy plate or a retro-reflection plate made of a light-transmitting material, and when the mark bottom plate is the aluminum alloy plate, the static mark panel is embedded in the mark bottom plate; when the sign base plate is a retroreflective plate made of a light-transmitting material, the sign base plate and the static sign panel are of an integral structure.
When the aluminum alloy plate is adopted, the sign bottom plate is made of a 3004 aluminum alloy plate; in order to ensure the flatness and the strength of the plate surface, the sign bottom plate is made of an aluminum alloy plate with the thickness of 3 mm; the sign bottom plate is connected with the sliding connection structure through aluminum alloy rivets or aluminum welding, and rivet heads on the plate surface are polished smoothly.
The transparent material adopts PVC semi-transparent or transparent plastic plate, the cost of the PVC section plate is 41% of the cost of the aluminum plate with the thickness of 3mm, the PVC section plate is 1/4 of extruded section aluminum, the cost is greatly reduced, the occurrence of accidents of stealing the traffic sign board can be simultaneously restrained, the information provided by the traffic sign board is ensured not to be damaged, and the economic loss is reduced.
In a further scheme, the reflecting film (the place distance mark) of the double-column type mark panel adopts a reflecting film with a IV-type micro-prism structure by considering the indexes of the reflecting performance, the aging performance, the service life and the manufacturing cost and combining the characteristics of a road to improve the night visual recognition effect.
The material, color, display effect, manufacturing process and the like of the static mark are consistent with the design requirements of safety facilities.
The static mark displays Chinese characters, English and numbers, and can be an arrival place, an English mark of the arrival place, a distance between a current position and the arrival place, and the like; according to the designed traveling speed of 120km/h, main signs such as the location distance on the main line are determined to be 70cm high, and auxiliary signs are determined to be 60cm high. The local road sign adopts 50cm word height. The layout word has a high upper limit. The height-width ratio of the Chinese character is 1: 1, the character interval is not less than one tenth of the character height, and the stroke thickness of the Chinese character is one tenth of the character height.
The dynamic mark comprises a second LED display module, a second main control module and a second power supply conversion module, and the second LED display module dynamically displays dynamic mark patterns; the second LED display module is connected with the second main control module, the second power supply conversion module is electrically connected with the mains supply, and 220V mains supply is converted into 5V to supply power for the second main control module and the second LED display module.
The second main control module is also connected with the Ethernet through a 485 bus and is in communication connection with the background server through a wired mode.
The second LED display module is composed of yellow high-brightness LED display elements and can adopt LED display lamps; each display module may display a 3-digit yellow number.
In the embodiment, the light emitting device adopts an ultra-high brightness LED; the static constant current driving technology is adopted, so that the brightness is high; display size: 800mm by 600mm, 3 display modules are arranged; dot pitch: 25 mm; the pixel is formed as follows: 2 yellow LEDs; the communication mode is as follows: RJ 45; visual distance: >300 meters; brightness: 8000cd per square meter; viewing angle: over 30 degrees; MTBF: >50000 hours.
The entrance forenotice sign is similar in structure to the place distance sign, except for the following:
the sign support and the sign plate are connected through a cross beam 3;
the second LED display module of the dynamic mark is composed of red and green high-brightness LED display elements, and each display module can display green 'pass' and red 'seal' prompt messages;
wherein, according to the needs of sign layout size of a whole page and setting up the position, the stand of sign support sets up one, and the stand passes through the crossbeam to be connected with the signpost, forms cantilever type structure, and this kind of structure is applicable to high-speed entry notice sign in advance. The cantilever type mark structure importance coefficient takes 1.0.
The cross beams are transversely arranged, a plurality of cross beams can be arranged, the cross beams are fixedly connected with the sign board, and the cross beams are also fixedly connected with the upright columns; when specifically setting up, a plurality of crossbeams are connected with stand, marking plate from top to bottom in proper order, and a plurality of crossbeam intervals set up, can realize reliably fixing marking plate.
In the embodiment, the beam and the upright post are fixedly connected through the flange plate and the fastening connecting piece, the beam and the flange plate are welded, and the height of a welding line is not less than 5 mm.
In a further embodiment, the cross beam can be further provided with cross beam stiffening ribs, the cross beam and the cross beam stiffening ribs are formed by welding, and the height of a welding seam is not less than 5 mm.
In a further scheme, the reflective performance, the aging performance, the service life and the manufacturing cost of the sign are considered, the night visual recognition effect is improved by combining the characteristics of a road, and a cantilever type sign panel (an entrance forenotice sign) adopts a V-type microprism structure reflective film.
The static mark displays Chinese characters, English and numbers, and can be English marks of high-speed numbers, places and places, entries, arrow marks and the like; according to the designed traveling speed of 120km/h, it is determined that the main signs such as the entrance forenotice on the main line are 70cm high, and the auxiliary signs are 60cm high. The local road sign adopts 50cm word height. The layout word has a high upper limit. The height-width ratio of the Chinese character is 1: 1, the character interval is not less than one tenth of the character height, and the stroke thickness of the Chinese character is one tenth of the character height.
In the embodiment, the light emitting device adopts an ultra-high brightness LED; the static constant current driving technology is adopted, so that the brightness is high; display size: 1067mm 533mm, 2 display modules are arranged; dot pitch: 33.33 mm; the pixel is formed as follows: 4, red and 2 green; the communication mode is as follows: RJ 45; visual distance: >300 meters; brightness: 8000cd per square meter; viewing angle: over 30 degrees; MTBF: >50000 hours.
Example 2:
this embodiment provides an integration sound combines mark management and control system, and it includes:
the system comprises a first module, a second module and a third module, wherein the first module is used for receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data;
and the second module is used for dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into the LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
In a further aspect, the system further includes a third module for receiving toll station system data; and extracting the passing or closing information of the toll station in the system data of the toll station to form entrance forenotice information, transmitting the entrance forenotice information to an entrance forenotice mark, and displaying the passing or closing information of the high-speed entrance by the entrance forenotice mark through a dynamic mark.
In a further scheme, the system also comprises a fourth module for receiving the position and the state information of the place distance mark and the entrance forecast mark; therefore, the integrated dynamic and static combined signs of the whole road section are managed, and the positions and the states of the signs can be checked.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. An integrated dynamic and static combined marker management and control method is characterized by comprising the following steps:
receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data;
dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into an LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
2. The integrated dynamic and static combined marker management and control method as claimed in claim 1, wherein the LSTM model is obtained by dividing a historical database of the traffic detection device into a training set and a test set and training.
3. The integrated dynamic and static combined marker management and control method as claimed in claim 2, wherein the historical database is established by the following steps:
receiving historical traffic detection equipment data, collecting the historical traffic detection equipment data under different characteristics, extracting characteristic attributes and characteristic values of the historical traffic detection equipment data, determining historical driving time according to charging data, and establishing a historical database.
4. The integrated dynamic and static combined marker control method as claimed in claim 1, wherein the traffic detection device data includes traffic flow data, traffic meteorological data and traffic characteristic data, wherein the traffic characteristic data is driving time.
5. The integrated dynamic and static combined marker management and control method as claimed in claim 4, wherein the traffic meteorological data includes meteorological data pile number, visibility detection data, light intensity detection data, wind speed and direction detection data, in-tunnel luminance detection data, out-tunnel luminance detection data, temperature and humidity detection data, rain and snow amount detection data and PM2.5/PM10 detection data; and respectively converting the traffic meteorological data into grade characteristics as characteristic values to be input.
6. The integrated dynamic and static combined marker control method of claim 1, further comprising the steps of: and receiving third-party data, and performing matrix coupling calculation on the estimated travel time and the third-party data to form final estimated travel time.
7. The integrated dynamic and static combined marker control method as claimed in claim 6, wherein the estimated travel time or the predicted travel time is transmitted to a corresponding place distance mark, the place distance mark is provided with a dynamic mark, the dynamic mark is provided with an LED display module, and the place distance mark displays the corresponding travel time through the dynamic mark.
8. The integrated dynamic and static combined marker control method of claim 1, further comprising the steps of:
receiving toll station system data;
the passing or closing information of the toll station is extracted to form entrance forenotice information, the entrance forenotice information is transmitted to an entrance forenotice mark, the entrance forenotice mark is provided with a dynamic mark, the dynamic mark is provided with an LED display module, and the entrance forenotice mark displays the passing or closing information of the high-speed entrance through the dynamic mark.
9. An integrated dynamic and static combined marker management and control system is characterized by comprising:
the system comprises a first module, a second module and a third module, wherein the first module is used for receiving real-time traffic detection equipment data and clustering the real-time traffic detection equipment data;
and the second module is used for dividing the distance mark from the place to the target place into a plurality of road sections, and respectively inputting the characteristic attributes and the characteristic values of the multi-factors in the real-time traffic detection equipment data of each road section into the LSTM model to obtain the estimated travel time of each distance mark from the place to the target place under the real-time traffic flow.
10. The integrated dynamic and static combined marker management and control system of claim 9, further comprising a third module for receiving system data of a toll station; and extracting the passing or closing information of the toll station to form entrance forecast information, transmitting the entrance forecast information to an entrance forecast sign, and displaying the passing or closing information of the high-speed entrance by the entrance forecast sign through a dynamic sign.
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