CN116101252B - Control method, system, device, storage medium and vehicle for electronic parking - Google Patents
Control method, system, device, storage medium and vehicle for electronic parking Download PDFInfo
- Publication number
- CN116101252B CN116101252B CN202310070626.9A CN202310070626A CN116101252B CN 116101252 B CN116101252 B CN 116101252B CN 202310070626 A CN202310070626 A CN 202310070626A CN 116101252 B CN116101252 B CN 116101252B
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- electronic parking
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000003578 releasing effect Effects 0.000 claims abstract description 19
- 238000004590 computer program Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims 1
- 230000009471 action Effects 0.000 abstract description 10
- 230000000694 effects Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/02—Brake-action initiating means for personal initiation
- B60T7/08—Brake-action initiating means for personal initiation hand actuated
- B60T7/10—Disposition of hand control
- B60T7/107—Disposition of hand control with electrical power assistance
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a control method of electronic parking, which comprises the following steps: acquiring the state of an EPB switch; when the state of the EPB switch is a clamping stagnation state, fault information of the EPB switch, of which the state is the clamping stagnation state, is recorded; and when the vehicle is started next time, prohibiting the EPB calipers from executing corresponding EPB calipers according to the state of the EPB switch based on the fault information. According to the control method, the system, the device, the storage medium and the vehicle for electronic parking, whether the EPB switch is jammed or not is judged according to the duration time of pulling or releasing the EPB switch, when the EPB switch is jammed, the EPB calipers are prohibited from executing corresponding EPB calipers according to the state of the EPB switch, the action of the EPB calipers, which is not expected by a user, is effectively avoided, and the driving safety is improved.
Description
Technical Field
The present disclosure relates to the field of control technology of electronic parking of vehicles, and in particular, to a control method, a system, a device, a storage medium, and a vehicle for electronic parking.
Background
The EPB switch is used as a sensor of an electronic parking system of the vehicle and is used for sensing the parking requirement of a user. The EPB switch is in three states, namely, pulled up, released and not operated, and when the user does not operate the EPB switch, the state is in the not operated state. The general EPB switch and ECU have 4 wiring harness connections. In the prior art, the 4 wires are generally used as input and output, voltage is injected in a periodic scanning mode, feedback level is read out and a code is formed, the current EPB switch state is obtained through a code lookup table, and the detection of single-point failure faults can be supported. However, when the EPB switch is not identified by a corresponding detection method under the condition that the switch state is blocked due to mechanical failure or foreign matter extrusion, the EPB caliper action which is not expected by a user is generated, and certain potential safety hazard exists.
Disclosure of Invention
In order to solve the above problems, the invention provides a control method for electronic parking, which is used for judging whether the EPB switch is jammed according to the duration time of pulling or releasing the EPB switch, and prohibiting the EPB caliper from executing the corresponding EPB caliper action according to the state of the EPB switch when the EPB switch is jammed, thereby effectively avoiding the action of the EPB caliper which is not expected by a user and improving the driving safety.
The invention provides a control method of electronic parking, which comprises the following steps: acquiring the state of an EPB switch; when the state of the EPB switch is a clamping stagnation state, fault information of the EPB switch, of which the state is the clamping stagnation state, is recorded; and when the vehicle is started next time, prohibiting the EPB calipers from executing corresponding EPB calipers according to the state of the EPB switch based on the fault information.
In an embodiment, the step of obtaining the state of the EPB switch includes: judging whether the EPB switch is in a pulled-up or released state according to the state of the EPB switch; when the EPB switch is in a pulling or releasing state, judging whether the duration time of pulling or releasing the EPB switch exceeds a preset duration time; when the duration of pulling up or releasing the EPB switch exceeds a preset duration, judging that the state of the EPB switch is a clamping stagnation state; and when the duration of pulling up or releasing the EPB switch does not exceed the preset duration, judging that the state of the EPB switch is a normal state.
In one embodiment, determining whether the EPB switch is in a pulled-up or released state according to the state of the EPB switch, and then includes: when the EPB switch is not in a pulled-up or released state, judging that the state of the EPB switch is in an unoperated state, and eliminating the currently existing fault information that the state of the EPB switch is in a clamping stagnation state.
In an embodiment, the step of prohibiting the EPB caliper from executing the corresponding EPB caliper action according to the state of the EPB switch based on the fault information when the vehicle is started next time includes: when the EPB calipers are forbidden to execute corresponding EPB calipers according to the states of the EPB switches based on the fault information, the EPB calipers are controlled to execute corresponding EPB calipers according to the whole vehicle state signals; the whole vehicle state signal comprises one or more of vehicle speed, accelerator pedal opening, brake pedal opening and gearbox gear.
In an embodiment, the step of recording fault information that the state of the EPB switch is a stuck state when the state of the EPB switch is a stuck state includes: and displaying fault prompt information that the state of the EPB switch is in a clamping stagnation state on the instrument panel and/or the vehicle-mounted display screen.
In an embodiment, the step of recording fault information that the state of the EPB switch is a stuck state when the state of the EPB switch is a stuck state includes: and sending the fault prompt information of the EPB switch in a clamping stagnation state to a mobile terminal bound with the vehicle.
The invention also provides a control system of electronic parking, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the steps of the control method of electronic parking are realized when the processor executes the computer program.
The invention also provides a control device for electronic parking, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the steps of the control method for electronic parking are realized when the processor executes the computer program.
The present invention also provides a storage medium storing a computer program which, when executed by a processor, implements the steps of the control method for electronic parking as described above.
The invention further provides a vehicle, which comprises the electronic parking control device.
According to the control method, the system, the device, the storage medium and the vehicle for electronic parking, whether the EPB switch is jammed or not is judged according to the duration time of pulling or releasing the EPB switch, when the EPB switch is jammed, the EPB calipers are prohibited from executing corresponding EPB calipers according to the state of the EPB switch, the action of the EPB calipers, which is not expected by a user, is effectively avoided, and the driving safety is improved.
Drawings
Fig. 1 is a flowchart of a control method of electronic parking according to an embodiment of the invention;
FIG. 2 is a flow chart of determining the state of the EPB switch according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of an electronic parking control system according to an embodiment of the invention.
Detailed Description
The foregoing and other features, aspects, and advantages of the present invention will become more apparent from the following detailed description of the preferred embodiments, which proceeds with reference to the accompanying drawings. While the invention may be susceptible to further details of embodiments and examples of means and effects for achieving the desired purpose, the drawings are provided for the purpose of reference and illustration only and are not intended to be limiting.
In order to further describe the technical means and effects adopted by the present invention to achieve the preset purpose, the following detailed description of the present invention is given with reference to the accompanying drawings and preferred embodiments.
Fig. 1 is a flowchart of a control method of electronic parking according to an embodiment of the invention.
As shown in fig. 1, the control method for electronic parking provided in this embodiment includes the following steps:
step S11: the state of the EPB switch is obtained.
Specifically, the state of the EPB switch is obtained by a wire harness connected to the EPB switch.
Step S12: and when the state of the EPB switch is a clamping stagnation state, recording fault information that the state of the EPB switch is the clamping stagnation state.
Specifically, as shown in fig. 2, step S12 includes, before:
step S21: whether the EPB switch is in a pulled-up or released state is judged according to the state of the EPB switch.
Specifically, when the EPB switch is in the pulled-up or released state, the process advances to step S22: judging whether the duration time of pulling or releasing the EPB switch exceeds a preset duration time; when the EPB switch is not in the pulled-up or released state, the process proceeds to step S24: a determination is made that the state of the EPB switch is an unoperated state.
Specifically, when it is determined that the state of the EPB switch is the unoperated state, the failure information stored in the local nonvolatile memory space, in which the state of the EPB switch is the stuck state, is eliminated.
Specifically, when the duration of single pull-up or single release of the EPB switch exceeds the preset duration, step S23 is entered: determining that the state of the EPB switch is a clamping stagnation state; when the duration of the single pull-up or single release of the EPB switch does not exceed the preset duration, step S25 is entered: the EPB switch is judged to be in a normal state.
Specifically, when the state of the EPB switch is determined to be a stuck state, fault information of the EPB switch in the stuck state is stored in a local nonvolatile storage space, and fault prompt information of the EPB switch in the stuck state is displayed on an instrument panel and/or a vehicle-mounted display screen of the vehicle.
Specifically, in one embodiment, the fault prompting information that the state of the EPB switch is the clamping state is played through the speaker of the vehicle, and when the fault prompting information that the state of the EPB switch is the clamping state is played through the speaker, the light and/or the vibration motor of the vehicle are controlled to emit light and/or vibrate so as to enhance the prompting effect.
Specifically, in an embodiment, the fault prompting information that the state of the EPB switch is in the stuck state is sent to the mobile terminal bound to the vehicle, so that the user obtains the fault prompting information that the state of the EPB switch is in the stuck state through the app of the mobile terminal.
In one embodiment, the fault notification information of the EPB switch in the stuck state is always output by the device in the vehicle as long as the fault notification information is stored in the local nonvolatile memory.
Step S13: and when the vehicle is started next time, prohibiting the EPB calipers from executing corresponding EPB calipers according to the state of the EPB switch based on the fault information.
When the vehicle is powered down and started again, if fault information that the state of the EPB switch is in a clamping stagnation state is stored in a local nonvolatile storage space, the EPB calipers are prohibited from executing corresponding EPB calipers clamping or calipers releasing actions according to the state of the EPB switch, and the EPB calipers are controlled to execute corresponding EPB calipers actions according to signals such as vehicle speed, accelerator pedal opening, brake pedal opening, gearbox gear and the like; when the vehicle is started next time, if fault information that the state of the EPB switch is in a clamping stagnation state is not stored in the local nonvolatile storage space, the EPB calipers are controlled to execute corresponding EPB calipers clamping or calipers releasing actions according to the state of the EPB switch.
According to the control method for electronic parking, whether the EPB switch is jammed is judged according to the duration time of pulling or releasing the EPB switch, when the EPB switch is jammed, the EPB calipers are prohibited from executing corresponding EPB calipers according to the state of the EPB switch, the action of the EPB calipers, which is not expected by a user, is effectively avoided, and the driving safety is improved.
FIG. 3 is a schematic diagram of an electronic parking control system according to an embodiment of the present invention;
as shown in fig. 3, the control system for electronic parking provided in this embodiment is used for executing a control method for electronic parking, and the control system for electronic parking includes an EPB switch 101, an ESC102, and an instrument panel 103.
Specifically, in the present embodiment, the ESC102 acquires the state of the EPB switch 101 through a wire harness connected to the EPB switch 101, and transmits the state of the EPB switch 101 to the instrument panel 103 through a CAN communication bus or a wire harness connected to the instrument panel 103, so as to display the state information and/or fault information of the EPB switch 101 through the instrument panel 103.
Specifically, in the present embodiment, the ESC102 comprises a memory for storing executable program code and a processor; the processor is used for calling executable program codes in the memory to realize the steps of the control method of the electronic parking: acquiring the state of an EPB switch; when the state of the EPB switch is a clamping stagnation state, fault information that the state of the EPB switch is the clamping stagnation state is recorded; and when the vehicle is started next time, prohibiting the EPB calipers from executing corresponding EPB calipers according to the states of the EPB switches based on the fault information.
Specifically, in one embodiment, the processor performs the step of obtaining the state of the EPB switch, and then includes: judging whether the EPB switch is in a pulled-up or released state according to the state of the EPB switch; when the EPB switch is in a pulling or releasing state, judging whether the duration time of pulling or releasing the EPB switch exceeds a preset duration time; when the duration of pulling or releasing the EPB switch exceeds the preset duration, judging that the state of the EPB switch is a clamping stagnation state; and when the duration of pulling up or releasing the EPB switch does not exceed the preset duration, judging that the state of the EPB switch is a normal state.
Specifically, in one embodiment, the processor performs a determination as to whether the EPB switch is in a pulled-up or released state according to a state of the EPB switch, and then includes: when the EPB switch is not in a pulled-up or released state, judging that the state of the EPB switch is in an unoperated state, and eliminating the fault information that the state of the EPB switch is in a clamping stagnation state.
Specifically, in an embodiment, the processor performs a step of prohibiting the EPB caliper from performing a corresponding EPB caliper action according to a state of the EPB switch based on the fault information when the vehicle is started next time, including: when the EPB calipers are forbidden to execute corresponding EPB calipers according to the state of the EPB switch based on the fault information, the EPB calipers are controlled to execute corresponding EPB calipers according to the whole vehicle state signal; the whole vehicle state signal comprises one or more of vehicle speed, accelerator pedal opening, brake pedal opening and gearbox gear.
Specifically, in one embodiment, the processor performs the step of recording fault information that the state of the EPB switch is a stuck state when the state of the EPB switch is a stuck state, and includes: and displaying fault prompt information that the state of the EPB switch is in a clamping stagnation state on the instrument panel and/or the vehicle-mounted display screen.
Specifically, in one embodiment, the processor performs the step of recording fault information that the state of the EPB switch is a stuck state when the state of the EPB switch is a stuck state, and includes: and sending the fault prompt information of the EPB switch in a clamping stagnation state to a mobile terminal bound with the vehicle.
In the specific process of implementing the respective functions for each functional unit of the electronic parking control system in this embodiment, please refer to the specific contents described in the embodiments shown in fig. 1-2, which are not described herein again.
The invention also provides a control device for electronic parking, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the steps of the control method for electronic parking are realized when the processor executes the computer program.
The invention also provides a storage medium storing a computer program which, when executed by a processor, implements the steps of the control method for electronic parking as described above.
The invention further provides a vehicle, which comprises the electronic parking control device.
According to the control method, the system, the device, the storage medium and the vehicle for electronic parking, whether the EPB switch is jammed or not is judged according to the duration time of pulling or releasing the EPB switch, when the EPB switch is jammed, the EPB calipers are prohibited from executing corresponding EPB calipers according to the state of the EPB switch, the action of the EPB calipers, which is not expected by a user, is effectively avoided, and the driving safety is improved.
The present invention is not limited to the above embodiments, but is capable of modification and variation in all aspects, including the following description, but not limited to, embodiments, and various modifications and adaptations of the invention as come within the true spirit and scope of the invention.
Claims (9)
1. A control method of electronic parking, the method comprising:
acquiring the state of an EPB switch;
when the EPB switch is in a pulling or releasing state, if the duration of pulling or releasing the EPB switch exceeds a preset duration, judging that the state of the EPB switch is a clamping stagnation state, and recording fault information that the state of the EPB switch is the clamping stagnation state;
and when the vehicle is started next time, based on the fault information, prohibiting the EPB calipers from executing corresponding EPB calipers according to the state of the EPB switch, and controlling the EPB calipers to execute corresponding EPB calipers according to the whole vehicle state signal.
2. The method for controlling electronic parking according to claim 1, wherein when the EPB switch is in a pulled-up or released state, if a duration of pulling-up or releasing the EPB switch exceeds a preset duration, determining that the state of the EPB switch is a stuck state, and recording fault information that the state of the EPB switch is a stuck state, and then comprising: when the EPB switch is not in a pulled-up or released state, judging that the state of the EPB switch is in an unoperated state, and eliminating the currently existing fault information that the state of the EPB switch is in a clamping stagnation state.
3. The control method of electronic parking of claim 1, wherein the vehicle status signal includes one or more of a vehicle speed, an accelerator pedal opening, a brake pedal opening, and a transmission gear.
4. The method for controlling electronic parking according to claim 1, wherein the step of recording fault information that the state of the EPB switch is a stuck state when the state of the EPB switch is a stuck state, comprises:
and displaying fault prompt information that the state of the EPB switch is in a clamping stagnation state on the instrument panel and/or the vehicle-mounted display screen.
5. The method for controlling electronic parking according to claim 1, wherein the step of recording fault information that the state of the EPB switch is a stuck state when the state of the EPB switch is a stuck state, comprises:
and sending the fault prompt information of the EPB switch in a clamping stagnation state to a mobile terminal bound with the vehicle.
6. A control system for electronic parking comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, implements the steps of the control method for electronic parking as claimed in any one of claims 1 to 5.
7. An electronic parking control device, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the computer program, realizes the steps of the electronic parking control method according to any one of claims 1 to 5.
8. A storage medium storing a computer program, characterized in that the computer program when executed by a processor realizes the steps of the control method of electronic parking according to any one of claims 1 to 5.
9. A vehicle comprising the electronic parking control apparatus according to claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310070626.9A CN116101252B (en) | 2023-01-13 | 2023-01-13 | Control method, system, device, storage medium and vehicle for electronic parking |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310070626.9A CN116101252B (en) | 2023-01-13 | 2023-01-13 | Control method, system, device, storage medium and vehicle for electronic parking |
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| CN116101252A CN116101252A (en) | 2023-05-12 |
| CN116101252B true CN116101252B (en) | 2024-03-12 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118372800B (en) * | 2024-06-24 | 2024-08-30 | 中国第一汽车股份有限公司 | Clamping stagnation detection method, device and equipment of electronic parking brake system and vehicle |
| CN118418962B (en) * | 2024-07-05 | 2024-10-29 | 比亚迪股份有限公司 | Control method, module, system and vehicle of electronic parking brake |
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| CN116101252A (en) | 2023-05-12 |
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