CN109260647A - Human body jump index comprehensive test and training system based on multi-modal signal - Google Patents
Human body jump index comprehensive test and training system based on multi-modal signal Download PDFInfo
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0087—Electric or electronic controls for exercising apparatus of groups A63B21/00 - A63B23/00, e.g. controlling load
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B24/00—Electric or electronic controls for exercising apparatus of preceding groups; Controlling or monitoring of exercises, sportive games, training or athletic performances
- A63B24/0003—Analysing the course of a movement or motion sequences during an exercise or trainings sequence, e.g. swing for golf or tennis
- A63B24/0006—Computerised comparison for qualitative assessment of motion sequences or the course of a movement
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B5/00—Apparatus for jumping
- A63B5/16—Training devices for jumping; Devices for balloon-jumping; Jumping aids
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
- A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
- A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
- A63B2071/0658—Position or arrangement of display
- A63B2071/0661—Position or arrangement of display arranged on the user
- A63B2071/0666—Position or arrangement of display arranged on the user worn on the head or face, e.g. combined with goggles or glasses
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- Engineering & Computer Science (AREA)
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Rehabilitation Tools (AREA)
Abstract
A kind of human body jump index comprehensive test and training system based on multi-modal signal, including motion information acquisition module, motion information processing module, motion information evaluation module and instructing exercise training module, realizes and the motion index such as human body lower limbs explosive force, speed are analyzed and are trained；The device is designed based on nine axle sensors, overcomes the disadvantages of traditional assessment device data dimension is single, evaluation result error is big, assessment unification；In information evaluation module human-computer interaction interface, subject can be clearly seen that various dimensions exercise data and analysis as a result, and being saved and being shared to evaluation and test center；In instructing exercise training module human-computer interaction interface, director can also self-setting kinematic parameter, by VR technology show movement effects, formulate best human body jump sport training program；The device volume is small, and operation and maintenance is at low cost, high reliablity, is suitable for human body jump motion index and evaluates and tests and train.
Description
Technical field
It is the invention belongs to the evaluation and test of human body lower limbs motion index and training field, in particular to a kind of to be based on multi-sensor data
Shared, information fusion and human-computer interaction human body jump index comprehensive test and training system.
Background technique
In China, either the Physical Examination in middle school and college entrance examination is still tested in national student physical health standard, all
Standing long jump is set as one of required test item, a weight as the evaluation human bodies motion index such as student's lower limbs strength and explosive force
Want project；And be mostly to look as far as one's eyes can see currently used for evaluating and testing and training the movement of these jump indexs, level is looked as far as one's eyes can see in more common test
Method look as far as one's eyes can see altitude touch, look as far as one's eyes can see and empty calendar scheduling；The index of human body jump movement has very much, and an important jump index is
Explosive force, but these can only all measure the explosive force level of players indirectly, cannot exclude weight and leg length to institute
Survey the influence of explosive force level；Also the same Shortcomings such as other indexs such as speed, height for jumping, measurement speed
Degree can only obtain average speed, can not accomplish that the real-time display of speed, measurement height can only measure the ground that hand can touch
Side, and influence of the body posture to jumping is ignored, the jumping for being unfavorable for accurately evaluating and testing sportsman is horizontal, Wu Fati
Suitable effective drill program out；Therefore, all there is wretched insufficiency in existing human body jump index evaluation and test and training method.
The evaluation and test and training of human body jump index need suitable, small-sized testing system device efficiently and accurately, and current
Small-sized human body jump index evaluating system device on the market, it is unreasonable due to sensor design and measurement method, to human body
There is very big error in the evaluation result for index of jumping, this has great negative effect to human body jump ability is promoted, meanwhile, it is existing
Capable more accurate human body jump index evaluating system device volume is big, inconvenient to carry, complicated for operation, is not easy to promote；Cause
This, urgent need develop it is a kind of for human body jump process, can directly evaluate and test that human body lower limbs explosive force is horizontal, precision is high, small in size
Human body jump index comprehensive test and training system.
In the evaluation and test of jumping index, especially in the test of explosive force index, accelerometer plays critically important
Effect；Accelerometer has been applied in explosive force test and the detection research of jump duration at present, plantar pressure sensing technology
It then has application to based on pressure sensing Athletess analysis system, and by nine axis attitude transducer (three axis accelerometers, three
Axis gyroscope and three axis magnetometric sensors) it tests and trains also in human body jump index comprehensive with pressure sensing technology combined application
No, therefore, the present invention discloses a kind of High-precision human jump merged based on attitude transducer with plantar pressure sensor information
Jump index comprehensive test and training system.
Summary of the invention
The purpose of the invention is to overcome the shortcoming of prior art, a kind of human body based on multi-modal signal is provided
Jump index comprehensive test and training system；The device is sensed using nine axis attitude transducers and pressure resistance type flexibility plantar pressure
Device, not only various dimensions acquired acceleration, direction and location information during exercise, but also can acquire in real time in human body jump motion process
Plantar pressure information, the two are analyzed by compensation data, are realized and are joined to movements such as human body lower limbs explosive force, saltation velocity and height
Several evaluation and tests, small in size, acquisition information is comprehensive, and data are accurate, and evaluation analysis is objective, it can be achieved that measurement acquisition and analysis evaluation and test one
Body technology, the disadvantage for overcoming existing apparatus process lengthy and jumbled.
Technical scheme is as follows:
The present invention designs a kind of human body jump index comprehensive test and training system based on multi-modal signal, including motion information
Acquisition module, motion information processing module, motion information evaluation module and instructing exercise training module；It is characterized by: described
Motion information acquisition module includes that nine axis attitude transducers, left foot pressure resistance type flexibility plantar pressure sensor and right crus of diaphragm pressure resistance type are soft
Property plantar pressure sensor；The nine axis attitude transducer includes three axis accelerometer, three-axis gyroscope and three axis magnetic force sensing
Device improves the evaluation and test of human body jump index for kinematic parameters such as comprehensive acquisition human body jump movement instantaneous position, acceleration
Accuracy；The plantar pressure sensor is encapsulated in using people's foot according to the composition of vola bone, to incite somebody to action in the film substrate of model
The main force parts in volas such as five big phalanx points, calcaneum, metatarsal are distributed in by the sensor block that force sensitive ink makes, are passed through
The presser sensor patch of large area is placed to acquire slight plantar pressure and its variation, each plantar pressure pressure in the other positions in vola
Sensor block carries out data transmitting by internal thin wire, is merged by the pressure data that operational amplifier acquires each sensor
At a pressure value, then it is transmitted to PC machine by wireless communication, and carries out further data fusion and data analysis；It is described
Motion information processing module includes kinematical constraint algorithm, data filtering and data fusion；The kinematical constraint algorithm is benefit
Nine axis attitude transducers acquisition data are constrained with the collected signal of plantar pressure sensor, when players are takeoff
When, after data filtering, the collected signal of plantar pressure sensor institute can reach preset threshold, pass and if only if plantar pressure
When the collected signal of sensor institute reaches preset threshold, nine axis attitude transducers start to integrate acceleration, use movement
Learning bounding algorithm can be improved accuracy of the nine axis attitude transducers to the acquisition of saltation velocity and jump height；The movement letter
Breath evaluation module includes human-computer interaction interface, jumping process gradually analysis module and the report of explosive force test evaluation result；
The human-computer interaction interface includes plantar nervous arch image, jumping parameters change curve and sensor states table, testee
And instruct personnel that can directly be observed in visualization upper computer software human body lower limbs jump process, and can pass through
Upper computer software is modified and is saved to the kinematic parameter in embedded system；The motion information processing module is embedded
System；The embedded system receives attitude transducer signal, vola piezoelectric signal simultaneously；Between the embedded system, it is embedding
Embedded system and nine axis attitude transducers, embedded system and PC machine, PC machine and VR technology glasses be all made of bluetooth or wifi without
Line communication；The motion information evaluation module is PC machine, is the carrier of human-computer interaction interface；The instructing exercise training module packet
Include normalizing database motion information comparison guidance and human-computer interaction interface exercise guidance；The human-computer interaction interface exercise guidance packet
3-D image exercise guidance and the guidance of VR technological movement are included, for showing evaluation result information, three peacekeeping VR is able to carry out and builds
Mould has multi-functional display device；The human body jump index comprehensive test and training system based on multi-modal signal be
The system of one thoroughly evaluating human body jump movement, vertical height, horizontal distance, instantaneous velocity, average speed including jump,
The indexs such as explosive force.
Human body jump index comprehensive test and training system of the present invention based on multi-modal signal acquires human body lower limbs
Maximum height, maximum instantaneous explosive force and initial take_off speed movement in jump process are used as evaluation index, can accurate evaluation human body
The motion index such as lower limb explosive force；Due in looking as far as one's eyes can see ground reaction force and lower limb maximum power it is all bigger than standing long jump, because
This, this system is used to look as far as one's eyes can see and be acted as human body lower limbs motion index evaluating standard；The system is a thoroughly evaluating jump fortune
Dynamic system, vertical height, horizontal distance, instantaneous velocity, average speed, explosive force including jump etc., wherein explosive force is
One key index of human body jump movement evaluation and test.
The motion information processing module acquires nine axis attitude transducers and pressure resistance type flexibility plantar pressure sensor
The data arrived, based on the accuracy of two kinds of sensors, respectively multiplied by being added after different weights, i.e. multiple sensor signals weighting is melted
Conjunction method improves human body lower limbs motion index and evaluates and tests precision.
The motion information evaluation module is based on collected human body lower limbs jump acceleration information, is obtained by integral calculation
The speed of human body lower limbs jump, height and distance out, the mapping obtained between speed, height and distance in embedded systems are closed
It is curve；According to these points of inflexion on a curve, extreme point and most value point position, human body lower limbs prompt explosion power and maximum outburst are obtained
Power；According to the accuracy of two kinds of sensors, respectively multiplied by being added after corresponding weight value, human body jump index evaluation is obtained as a result, i.e.
Multiple sensor signals Weighted Fusion method, improves the precision of assessment；It is total based on nine axis attitude transducers and plantar pressure sensor
With collected data, lower limb prompt explosion power is calculated；Described device is evaluated by the data stored in embedded system
Human body jump lower limb explosive force is horizontal；Most with human body lower limbs maximum instantaneous explosive force (maximum power of lower limb output), jump
Big height (embodying the done total work of lower limb) and jump take-off skill are evaluation index, and human body jump sports level is carried out classification and is commented
Valence calculates lower limb prompt explosion power by the product of plantar pressure summation and speed, take wherein maximum value as lower limb maximum
Prompt explosion power；Jump maximum height carries out integral calculation twice based on normal acceleration measured by nine axis attitude transducers and obtains
It arrives；The evaluation for take-off skill of jumping is based on PC machine to the gait analysis of plantar pressure sensor institute measured data, institute's measuring pressure data
Be transmitted to PC machine by bluetooth or wifi communication, PC machine to pressure data carry out plantar region, when equal classification grouping and
To the pressure Distribution Value and image of each group, each data and image clearly are shown on three-dimensional display screen, while the system
By this measurement data and the human body standard movement data and the pervious measurement data of the subject that are stored in cloud database
Automatically it compares, obtains the differences such as position, the period of pressure distribution, and provide next stage human body with this to enhance one party
The suggestion of face training, consultant can also start VR virtual technology system, virtually be practiced the drill program of next time, and observation is empty
The final result for intending training enhances the reasonability of drill program as reference, constantly improvement drill program.
It includes motion information acquisition module and movement that module is instructed in normalizing database motion information comparison of the present invention
The various data of message processing module are compared using data base administration resource with each normal data, show that corresponding mapping relations are bent
Line and conclusion, and according to datas such as user's weight, height and Leg lengths, it intelligently provides and meets different human body demand
Preliminary explosive force training guidance opinion；The 3-D image exercise guidance module uses three-dimensional display screen technology, it can be achieved that amplification
The whole process for slowing down human body jump movement facilitates the comprehensive evaluating moved to human body jump；The VR exercise guidance module
Using virtual reality technology, it can be achieved that the human body jump motion process for meeting artificial setting jumping parameter reappears；Comprehensive three
Dimension display technology can also be trained and instruct to human body jump action movement index in real time with VR display technology, effectively promotion people
The body jump level of training.
Compared with prior art, the present invention having the following advantages that and high-lighting effect:
Apparatus of the present invention utilize nine axis attitude transducers and pressure resistance type flexibility plantar pressure sensor, both can various dimensions acquisition human body
Jumping acceleration, direction and location information are realized and are commented kinematic parameters such as human body jump explosive force, speed and height
It surveys, and plantar pressure information can be acquired in real time, and fusion is weighted to assessment data, keep metrics evaluation more accurate；The dress
The whole process for using three-dimensional display screen technology, it can be achieved that amplification slows down jumping is set, enables that personnel is instructed clearly to see
The slow process and each position details for seeing subject's jumping, provide corresponding initial guide opinion accordingly；The device is using empty
Quasi- reality technology is, it can be achieved that the movement that jumping parameter (acceleration, height, distance etc.) is artificially arranged reappears；VR display screen
Corresponding jumping process can be shown as required, after coach provides instruction, be arranged according to instruction different
Kinematic parameter, effect of jumping after being improved by virtual reality display, saves the unnecessary training process of subject；The device volume
Small, data are accurate, are suitable for human body jump index and evaluate and test field；The device human-computer interaction interface data multidimensional degree shows, Quan Fang
Position shows comprehensive test result at many levels.
Detailed description of the invention
Fig. 1 is human body jump index comprehensive test and training system functional block diagram based on multi-modal signal.
Fig. 2 is human body jump index comprehensive test and training system structure diagram based on multi-modal signal.
1-PC machine and 2-embedded developping system of three-dimensional display screen, one 3-embedded developping system 2 4-are embedded
3 5-nine axis attitude transducer 6-right crus of diaphragm pressure resistance type flexibility plantar pressure sensor 7-left foot pressure resistance type of development system is soft
Property plantar pressure sensor 8-VR technology glasses.
Specific embodiment
The human body jump index comprehensive test and training system based on multi-modal signal can from jump it is vertical height,
Angularly, thoroughly evaluating human body jump moves indices, wherein quick-fried for horizontal distance, instantaneous velocity, average speed and explosive force
It has an effect as a key index of human body lower limbs jumping；Meet different human body as a result, can provide automatically according to comprehensive evaluating
The lower limb jumping training method of demand.
Lower limb jumping and training effect are tested, generalling use project both at home and abroad is to look as far as one's eyes can see and standing long jump, is being studied
It is middle discovery look as far as one's eyes can see in ground reaction force and lower limb maximum power it is all bigger than standing long jump, look as far as one's eyes can see in can preferably play
Lower limbs strength and explosive force；The related coefficient for looking as far as one's eyes can see middle lower limb maximum power and achievement is higher than the related coefficient of standing long jump very
It is more, it can more preferably evaluate lower extremity movement, strength and the explosive force of subject；Therefore, the present invention is used and is looked as far as one's eyes can see as appraiser
The test action of body lower limb jumping index.
The content of specific structure of the invention, working principle is described in further detail with reference to the accompanying drawings and embodiments.
Human body jump index comprehensive test and training system based on multi-modal signal as shown in Figure 1 includes motion information
Acquisition module, motion information processing module and motion information evaluation module, wherein motion information processing module and motion information are commented
Estimate module to develop in embedded systems.
Motion information acquisition module as shown in Figure 2 is passed by nine axis attitude transducers 5, right crus of diaphragm flexibility pressure resistance type plantar pressure
Sensor 6, left foot flexibility pressure resistance type plantar pressure sensor 7 are constituted；Nine axis attitude transducers 5 include 3-axis acceleration sensor,
Three-axis gyroscope and three axis magnetic induction sensors, can measure look as far as one's eyes can see human body lower limbs angle in space in movement, angular speed,
Angular acceleration and position；Pressure resistance type flexibility plantar pressure sensor is respectively placed in left and right foot sole, acquires jump process in real time
The stress condition data of middle Human Sole；The collected data of pressure resistance type flexibility plantar pressure sensor and nine axis attitude transducers
5 collected data are weighted fusion, improve human body jump index comprehensive test precision；The pressure resistance type flexibility plantar pressure
Sensor is two-sided induction large format pressure sensing coating, has force sensitive ink on film substrate, passes through advanced screen printing
Brush is made, each force sensitive ink module by wire be connected, when pressure sensing coating is by ambient pressure, resistance with
The increase of pressure and reduce, resistance inverse with pressure near linear relationship, data are handled by upper computer software, i.e.,
The size and distribution situation of plantar pressure during available human body jump.
Motion information processing module as shown in Figure 2 is made of kinematical constraint algorithm, data filtering and data fusion；First
By the linear acceleration in the acquired information of nine axis attitude transducer 5 after Kalman filtering, then by line after treatment
Property acceleration and Eulerian angles are converted according to Euler matrivx:
Wherein X is roll angle, and Y is pitch angle, and Z is yaw angle, calculates the linear acceleration of human body jump perpendicular to the ground
accz；Human body jump speed Speed- ∫ accz dt, human body jump height Height can also be calculated1-∫∫accz dt.It will
After all values measured by pressure resistance type flexibility plantar pressure sensor are cumulative, lower limb are obtained to ground exerted forces: ForceALL-
∑ force, jump heightAccording to the accuracy of two kinds of sensors, respectively multiplied by different weights after
It is added, obtains human body jump index evaluation as a result, i.e. multiple sensor signals Weighted Fusion method, improves the precision of assessment, i.e.,
IIeight-K1*IIeight1+K2*IIeight2；Based on nine axis attitude transducers 5 and pressure resistance type flexibility plantar pressure sensor
The data measured jointly calculate human body lower limbs prompt explosion power ExplosivcForcc-ForccALL* Spccd is as shown in Figure 2
Motion information evaluation module by human-computer interaction interface and motion process, gradually analysis module is constituted；Human-computer interaction interface includes foot
Bottom pressure distributed image, jumping parameters change curve and sensor states table；Human-computer interaction interface is by prompt column, data information window
Mouth is constituted with display field, the core that evaluation and test person interacts with system when being jump evaluation and test；Plantar nervous arch image is by acquiring
The flexible pressure resistance type plantar pressure sensor effect of two of plantar pressure data, left foot flexibility pressure resistance type plantar pressure sensor 7
Collected data are transmitted in embedded system 23 by data line, embedded system 23 is logical by bluetooth or wifi
Wireless transmission is believed into embedded system 34, and right crus of diaphragm flexibility pressure resistance type plantar pressure sensor 6 leads to collected pressure data
It crosses data line and is transmitted to embedded system 1, embedded system 1 communicates wireless transmission to embedded system by bluetooth or wifi
It unites in 34；Embedded system 34 is the main system of embedded system, not only receives and transmits from other two embedded systems
Pressure information, and communicate by bluetooth or wifi the information of nine axis attitude transducer 5 of wireless receiving acquisition, it is last embedded
System 34 is sent in PC machine 1 by bluetooth or wifi communication again, realizes the display of plantar nervous arch image,
To the real-time plantar pressure situation of directviewing description human body jump, PC machine and VR technology glasses are carried out also by bluetooth or wifi
The function of virtual technology exercise guidance is realized in communication；Altitude curve and jump speed per hour when jumping parameters change curve includes jump
It writes music line, based on collected human body jump acceleration information, passes through integrating meter calculating human body lower limbs speed, height and distance etc.
Index, and mapping curve between speed, height and distance is obtained in embedded systems；According to point of inflexion on a curve, extreme point and
Most it is worth point feature, and the position of more each human body jump repeatedly, comprehensive comprehensive assessment is carried out to human body jump movement, it can be real-time
Accurate human body jump parameter information is provided；Sensor states table is used to show the working condition of each sensor module, facilitates
The monitoring and maintenance of system motion；Motion process is gradually analyzed and the report of test evaluation result senses plantar pressure based on PC machine
The gait analysis of device institute measured data, institute's measuring pressure data are transmitted to PC machine by bluetooth or wifi communication, and PC machine is to pressure data
Plantar region grouping and phase grouping are carried out, the pressure Distribution Value and the pressure of take-off front and back each period in each region in vola are obtained
Distribution Value, final analysis obtain the big float of vola total pressure, the maximum pressure on single sensor, each area's maximum pressure in vola
The image of column sequence, the accumulative pressure in each area in vola and each plantar nervous arch, by each data and figure on three-dimensional display screen
As clearly displaying, at the same the system by this measurement data and be stored in cloud database Plays human body movement data and
The pervious measurement data of the subject compares automatically, obtains the differences such as position, the period of pressure distribution, provides the next stage
Suggestion trained in a certain respect should be enhanced, consultant can also start VR virtual technology system, carry out to the drill program of next time empty
Quasi- practice, observes the final result of virtual training, as reference, constantly improvement drill program, enhances the conjunction of drill program
Rationality improves training effectiveness.
Motion information training guidance module as shown in Figure 2 compares guidance and human-computer interaction by normalizing database motion information
Interface Motion guidance is constituted；It includes motion information acquisition module and motion information that module is instructed in the comparison of normalizing database motion information
The various data of processing module are compared each normal data using data base administration resource, show that corresponding mapping relations are bent
Line and conclusion；3-D image exercise guidance module use three-dimensional display screen technology, it can be achieved that amplification slow down human body jump movement and
The whole process of posture facilitates the comprehensive evaluating moved to human body jump；VR exercise guidance module uses virtual reality technology,
The human body jump motion process for meeting artificial setting jumping parameter (human body jump acceleration, height, distance etc.) can be achieved
It reappears；Comprehensive dimension display technologies can also be trained and instruct to human body jump movement index in real time with VR display technology, have
Effect promotes the human body jump level of training.
The sports level of " national physique measurement standard " and sportsman that the system is provided according to General Administration of Sport
Human longitudinal jumping level is divided into four levels by analytical standard, and respectively common horizontal, common high level, sportsman is horizontal and pushes up
Sharp sportsman is horizontal；Each level can be specifically divided into five grades, successively improve from level-one to Pyatyi level: common horizontal level-one
It is 0~19.9, common horizontal second level is 20.0~24.8cm, and common horizontal three-level is 24.9~32.3cm, common horizontal level Four
For 32.4~38.4cm, common horizontal Pyatyi is 38.5~45.8cm；Common high level level-one is 45.9~51.9cm, commonly
High-level second level is 52.0~56.7cm, and common high level three-level is 56.8~60.7cm, common high level level Four is 60.8~
66.1cm, common high level Pyatyi is 66.2~72.0cm；The horizontal level-one of sportsman is 72.1~77.8cm, sportsman's level two
Grade is 77.9~87.1cm, and the horizontal three-level of sportsman is 87.2~92.0cm, and the horizontal level Four of sportsman is 92.1~99.7cm,
The horizontal Pyatyi of sportsman is 99.7~103.4cm；The top horizontal level-one of sportsman is 103.5~108.6cm, top sportsman
Horizontal second level is 108.7~117.1cm, and the top horizontal three-level of sportsman is 117.2~124.5cm, top sportsman's level four
Grade is 124.6~130.5m, and the top horizontal Pyatyi of sportsman is greater than 130.5cm.
The course of work of the present invention is as follows:
Nine axis attitude transducers are worn on loins first, then plantar pressure insole is divided into and is put into human body jump as left and right insole
In jump special test shoes；User's opening device starts switch, device for opening upper computer software, inputs height, the body of subject
The parameters such as again；When test, subject must be upright in flat place, bipod open naturally from, then dip of knees is firmly looked as far as one's eyes can see upwards,
When take-off, there cannot be mobile or pad step movement, fall back under nature and stand firm on place, the movement that bending knee is drawn the abdomen must not be done intentionally；
Three times, the higher achievement of jump height is better for everyone trial jump, takes best result as evaluation index；After end process, by upper
Machine software is uploaded to server after saving data, provides evaluation result after the analysis of motion information evaluation module；According to commenting
Survey as a result, subject can coach or system provide automatically training program guidance under, by dimension display technologies with
VR display technology receives the human body jump training guidance customized.
Above-described embodiment is only to clearly demonstrate citing of the invention, and be not the restriction to embodiment；For institute
For the those of ordinary skill in category field, other various forms of variations or change can also be made on the basis of the above description
It is dynamic；There is no necessity and possibility to exhaust all the enbodiments；And obvious variation extended from this or change
It is dynamic to be still in the protection scope of this invention.
Claims (4)
1. a kind of human body jump index comprehensive test and training system based on multi-modal signal, including motion information acquisition mould
Block, motion information processing module, motion information evaluation module and instructing exercise training module；It is characterized by: the movement letter
Ceasing acquisition module includes nine axis attitude transducers, left foot pressure resistance type flexibility plantar pressure sensor and right crus of diaphragm pressure resistance type flexibility vola
Pressure sensor；The nine axis attitude transducer includes three axis accelerometer, three-axis gyroscope and three axis magnetometric sensors, is used for
The kinematic parameters such as comprehensive acquisition human body jump movement instantaneous position, acceleration, improve the accuracy of human body jump index evaluation and test；
The plantar pressure sensor is encapsulated in using people's foot as in the film substrate of model, will be by pressure according to the composition of vola bone
Sensitive ink production sensor block be distributed in the main force parts in volas such as five big phalanx points, calcaneum, metatarsal, by vola its
The presser sensor patch of large area is placed to acquire slight plantar pressure and its variation, each plantar pressure pressure sensor in its position
Block carries out data transmitting by internal thin wire, and the pressure data that each sensor acquires is fused into one by operational amplifier
Pressure value, then it is transmitted to PC machine by wireless communication, and carry out further data fusion and data analysis；The movement letter
Ceasing processing module includes kinematical constraint algorithm, data filtering and data fusion；The kinematical constraint algorithm is to utilize vola
The collected signal of pressure sensor constrains nine axis attitude transducers acquisition data, when players are takeoff, through number
After filtering, the collected signal of plantar pressure sensor institute can reach preset threshold, and if only if plantar pressure sensor institute
When collected signal reaches preset threshold, nine axis attitude transducers start to integrate acceleration, using kinematical constraint
The accuracy that nine axis attitude transducers acquire saltation velocity and jump height can be improved in algorithm；The motion information assesses mould
Block includes human-computer interaction interface, jumping process gradually analysis module and the report of explosive force test evaluation result；It is described man-machine
Interactive interface includes plantar nervous arch image, jumping parameters change curve and sensor states table, testee and guidance
Personnel can directly observe human body lower limbs jump process in visualization upper computer software, and can be soft by host computer
Part is modified and is saved to the kinematic parameter in embedded system；The motion information processing module is embedded system；Institute
It states embedded system while receiving attitude transducer signal, vola piezoelectric signal；Between the embedded system, embedded system
Be all made of bluetooth with nine axis attitude transducers, embedded system and PC machine, PC machine and VR technology glasses or wifi wirelessly communicate into
The transmission of row data；The motion information evaluation module is PC machine, is the carrier of human-computer interaction interface；The instructing exercise training mould
Block includes normalizing database motion information comparison guidance and human-computer interaction interface exercise guidance；The human-computer interaction interface movement refers to
It leads including 3-D image exercise guidance and the guidance of VR technological movement, for showing evaluation result information, is able to carry out three peacekeeping VR
Modeling has multi-functional display device；The human body jump index comprehensive test and training system based on multi-modal signal
It is the system of thoroughly evaluating human body jump movement, vertical height, horizontal distance, instantaneous velocity, average speed including jump
The indexs such as degree, explosive force.
2. motion information acquisition module according to claim 1 acquires nine axis attitude transducers and plantar pressure sensor
To data save in storage chip in embedded systems, and it is soft using bluetooth or wifi technology to be simultaneously sent to host computer
In part, so that calling is handled in time；The motion information processing module is based on collected human body lower limbs jump acceleration information,
By integral calculation obtain human body lower limbs jump speed, height and distance, obtain in embedded systems speed, height and away from
Mapping relations curve between；According to these points of inflexion on a curve, extreme point, most value point position, it is instantaneously quick-fried to obtain human body lower limbs
It has an effect and maximum explosive force；Specific algorithm for by nine the acquired information of axis attitude transducer linear acceleration carry out Kalman
Filtering, then converted with Eulerian angles according to Euler matrivx:
Wherein X is roll angle, and Y is pitch angle, and Z is yaw angle, calculates the linear acceleration perpendicular to the ground of human body jump process, human body jump speed, human body jump height；Plantar pressure is passed
After all values measured by sensor are cumulative, lower limb are obtained to ground exerted forces:, jump height:；According to the accuracy of two kinds of sensors, respectively multiplied by being added after corresponding weight value, human body is obtained
Index evaluation jump as a result, i.e. multiple sensor signals Weighted Fusion method, improves the precision of assessment, i.e.,；It is adopted jointly based on nine axis attitude transducers with plantar pressure sensor
The data collected calculate lower limb prompt explosion power。
3. according to claim 1 based on the human body jump index comprehensive test and training system of multi-modal signal, by embedding
The data stored in embedded system are horizontal to evaluate human body jump lower limb explosive force；With human body lower limbs maximum instantaneous explosive force (under
The maximum power of limb output), the maximum height (embody the done total work of lower limb) of jump and jump take-off skill be evaluation index, by
Human body jump sports level carries out grading evaluation, and lower limb prompt explosion is calculated by the product of plantar pressure summation and speed
Power, take wherein maximum value as lower limb maximum instantaneous explosive force；Maximum height of jumping is based on measured by nine axis attitude transducers
Normal acceleration carries out integral calculation twice and obtains；Take-off skill of jumping evaluation is based on PC machine number surveyed to plantar pressure sensor
According to gait analysis, institute's measuring pressure data are transmitted to PC machine by bluetooth or wifi communication, and PC machine carries out vola to pressure data
Region, when equal classification grouping and obtain the pressure Distribution Value and image of each group, by each data and figure on three-dimensional display screen
As clearly displaying, at the same the system by this measurement data and standardized human body's exercise data for being stored in cloud database with
And measurement data compares automatically before the subject, obtains the differences such as position, the period of pressure distribution, provides the next stage
Suggestion trained in a certain respect should be enhanced, consultant can also start VR virtual technology system, carry out to the drill program of next time empty
Quasi- practice, observes the final result of virtual training, as reference, constantly improvement drill program, enhances the conjunction of drill program
Rationality.
4. normalizing database motion information according to claim 1 comparison instruct module include motion information acquisition module and
The various data of motion information processing module are compared using data base administration resource with each normal data, are obtained and are accordingly reflected
Relation curve and conclusion are penetrated, and according to datas such as user's weight, height and Leg lengths, intelligently provides and meets different people
The preliminary explosive force training guidance opinion of body demand；The 3-D image exercise guidance module uses three-dimensional display screen technology, can
It realizes that amplification slows down the whole process of human body jump movement, facilitates the comprehensive evaluating moved to human body jump；The VR movement
Instruct module using virtual reality technology, it can be achieved that meeting the human body jump motion process weight of artificial setting jumping parameter
It is existing；Comprehensive dimension display technologies can also be trained and instruct to human body jump movement index in real time with VR display technology, effectively
Promote the human body jump level of training.
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