CN108639064B - Emergency starting system based on MT vehicle type clutch switch with PEPS (Passive entry Passive Start) failure - Google Patents
Emergency starting system based on MT vehicle type clutch switch with PEPS (Passive entry Passive Start) failure Download PDFInfo
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- CN108639064B CN108639064B CN201810501511.XA CN201810501511A CN108639064B CN 108639064 B CN108639064 B CN 108639064B CN 201810501511 A CN201810501511 A CN 201810501511A CN 108639064 B CN108639064 B CN 108639064B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
- B60W50/0205—Diagnosing or detecting failures; Failure detection models
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- Automation & Control Theory (AREA)
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- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention provides an emergency starting system based on a failure of an MT (MT-terminal Passive entry System) vehicle type PEPS (Passive entry Passive Start) vehicle type clutch switch, which comprises: the clutch switch signal acquisition module is used for acquiring a bottom switch signal and a top switch signal of the clutch; the fault judgment module is used for judging whether the clutch has a fault according to the collected bottom switch signal and the collected top switch signal; the power state detection module is used for detecting the current power state; the starting and stopping button signal detection module is used for detecting whether the starting and stopping button is pressed down or not and recording the time interval t of pressing and releasing the button; the brake signal detection module is used for detecting whether the brake is stepped; the anti-theft authentication module is used for detecting whether the anti-theft authentication passes; and the relay control module is used for controlling the relay to be attracted according to the detected power state, the start-stop button signal, the brake signal and the anti-theft authentication signal. When the clutch switch has a fault, the invention ensures the safe starting of the automobile and is more convenient and practical.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a vehicle model with a PEPS (Passive entry Passive Start) through a manual belt.
Background
The clutch switch signal is divided into a top switch clutch signal and a bottom switch clutch signal, the collection of the signals is generally completed by an engine ECU or an EMS, the collected clutch switch signals are sent to a network for a PEPS to judge whether the starting conditions are met, and part of the vehicle type clutch switch signals are also sent to the network after being collected by a BCM. Generally, in the starting process, whether the clutch is pressed down or not is judged according to a bottom clutch switch signal, whether the starting condition is met or not is further judged, and then the PEPS controls the starting relay to be pulled up.
Under the normal condition, detect when the PEPS that the clutch is stepped on, bottom switch signal is effective, if there is the start stop button to be pressed this moment, the PEPS can go to judge whether other starting conditions satisfy, whether theftproof authentication passes through etc. if starting conditions all satisfy and theftproof authentication also passes through, the PEPS drives the start relay high-end for the actuation of start relay, thereby the operation of drive starter. If the clutch switch signal is in failure, two common emergency starting schemes exist at present.
If the clutch is stuck or has other faults and the switch signal at the bottom of the clutch is invalid, the PEPS cannot judge whether the starting condition is met according to the clutch signal. At the moment, the PEPS emergency starting system does not judge whether the clutch switch signal is effective any more, but judges whether the user needs to start the vehicle in an emergency according to the power state and the long-press of the start stop button. Specifically, if the PEPS power state is at ACC and it is detected that the Start stop button is pressed for a long time of 15 seconds, the PEPS will pull high side of the start relay even if the clutch switch is disabled, allowing the vehicle to be started urgently. Although the scheme is simple to operate, certain risks exist, firstly, the limitation condition of the emergency starting scheme is too few, part of novices or children may operate mistakenly to start the vehicle in a normal state of the vehicle, in addition, the scheme does not make clear requirements on the starting gear, does not remind users, possibly starts the vehicle in a gear shifting mode under the condition that a clutch or a brake is not stepped on, and accidents are easy to happen.
When the signal at the bottom of the clutch switch is invalid, the PEPS can not judge whether the clutch is stepped on, at the moment, if the PEPS detects that the speed of the vehicle is greater than 5Km/h, and detects that the start stop button is pressed, other start conditions are met, and the anti-theft authentication is passed, the PEPS drives the high end of the start relay, and the vehicle can be started normally. The scheme is not very high in implementability for users, the vehicles can be started urgently only by pushing the vehicles to a certain speed by the users, the scheme is not very suitable for partial occasions or some extreme cases, and the technical scheme has certain limitation.
Disclosure of Invention
The invention aims to solve the technical problem that a vehicle cannot be started normally when a clutch switch fails.
The invention is realized by the following technical scheme:
an emergency starting system based on MT and PEPS vehicle type gift box switch failure, the system comprises:
the clutch switch signal acquisition module is used for acquiring a bottom switch signal and a top switch signal of the clutch;
the fault judgment module is used for judging whether the clutch has a fault according to the collected bottom switch signal and the collected top switch signal; the fault judging module respectively judges whether the bottom switch signal and the top switch signal are effective or not; when both the bottom switch signal and the top switch signal are active, the clutch is not faulted; when at least one of the bottom switch signal and the top switch signal is invalid, the clutch has a fault;
the power state detection module is used for detecting the current power state;
the starting and stopping button signal detection module is used for detecting whether the starting and stopping button is pressed down or not and recording the time interval t of pressing and releasing the button; the start-stop button signal detection module comprises a signal detection unit and a timing unit; the signal detection unit is used for detecting a signal that the start-stop button is pressed; the timing unit is used for recording the time interval of the pressing and releasing of the start and stop button;
the brake signal detection module is used for detecting a signal whether a brake is stepped on;
the anti-theft authentication module is used for checking whether the anti-theft authentication passes the signal;
the other starting condition judging module is used for judging whether other starting conditions are met;
the relay control module is used for controlling the relay to be attracted according to the detected power state, the start stop button signal, the brake signal and the anti-theft authentication signal, and driving the starter to run after the relay is attracted and electrified so as to start the vehicle;
the system further comprises:
the signal sending module is used for transmitting a fault reminding signal to the fault reminding module;
the fault reminding module is used for sending out a clutch fault reminding according to the received fault reminding signal;
the gear detection module is used for detecting the current gear information of the vehicle;
the clutch switch signal acquisition module is an electronic control unit of an engine or a vehicle body controller;
the fault judgment module and the relay control module are integrated on a keyless entry and start system or a vehicle body controller.
By adopting the technical scheme, the emergency starting system based on the MT vehicle type PEPS clutch switch failure has the following beneficial effects:
1) the emergency starting system based on the MT vehicle type PEPS clutch switch failure provided by the invention has corresponding emergency starting methods for all modes of the clutch switch failure, so that the scheme can be ensured to better meet the requirements, and the problem that vehicles cannot be started due to clutch failure is solved;
2) the emergency starting system based on the failure of the clutch switch of the MT-band PEPS vehicle type has the advantages that the brake signal is used as one of starting judgment conditions in an emergency, so that the safety after the vehicle is started can be ensured to a certain extent, and the emergency starting system is more suitable for novices or users who do not know the maintenance of the vehicle;
3) the invention provides a reasonable and feasible emergency starting system based on failure of a clutch switch of an MT (terminal termination protocol) vehicle type with a PEPS (passive entry brake) vehicle, aiming at the condition that both a bottom signal and a top signal of the clutch switch fail, and the emergency starting system can remind a user of the failure of the clutch through an instrument, press down a brake after the user puts in an N gear and then start the vehicle, so that the safe running can be ensured, and the vehicle can be started simply and quickly.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram illustrating a module composition of an emergency starting system when a clutch switch of an MT vehicle with a PEPS according to an embodiment of the present invention fails;
fig. 2 is a schematic diagram illustrating the components of additional modules of an emergency starting system when a clutch switch of an MT vehicle with a PEPS according to an embodiment of the present invention fails;
fig. 3 is a schematic diagram illustrating a start stop button signal detection module in an emergency start system when a clutch switch of an MT-band PEPS-based vehicle has a fault according to an embodiment of the present invention;
fig. 4 is a schematic working diagram of an emergency starting system when a clutch switch of an MT-based vehicle with a PEPS fails according to an embodiment of the present invention;
fig. 5 is a flowchart of an emergency starting method when a clutch switch of an MT vehicle with a PEPS according to an embodiment of the present invention fails;
fig. 6 is a flowchart of an emergency starting method when a clutch switch of an MT-band PEPS-based vehicle model fails according to an embodiment of the present invention.
The following is a supplementary description of the drawings:
100-a clutch switch signal acquisition module; 200-a fault judgment module; 300-power state detection module; 400-start stop button signal detection module; 500-brake signal detection module; 600-an anti-theft authentication module; 700-relay control module; 800-a signal transmission module; 900-fault alert module; 1000-gear detection module; 401-a signal detection unit; 402-timing unit.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
If the after-sale vehicle has faults such as clutch switch clamping stagnation and the like, the BCM or the EMS cannot acquire effective clutch switch state signals, and the vehicle cannot be normally started in the state. If the user or the after-sales personnel can not drive the vehicle to the 4S shop for maintenance, the user or the after-sales personnel can only select to drag the vehicle to a maintenance factory for maintenance, the transportation cost is very high, and the requirements of the after-sales market can not be met. Aiming at the problem, the invention provides an emergency starting system based on the failure of a clutch switch of an MT (terminal-programmable gate array) vehicle type with a PEPS (passive entry and passive entry system), which solves the problem that the vehicle cannot be started normally due to the failure of the clutch switch.
The embodiment of the invention provides an emergency starting system based on a failure of an MT (moving terminal module) vehicle type PEPS (passive entry passive start) vehicle clutch switch, as shown in figures 1-4, the system comprises:
and the clutch switch signal acquisition module 100 is used for acquiring a bottom switch signal and a top switch signal of the clutch. The clutch switch signal acquisition module 100 may be an electronic control unit of an engine or a vehicle body controller.
And the fault judgment module 200 is configured to judge whether the clutch has a fault according to the collected bottom switch signal and the collected top switch signal. The fault determination module 200 determines whether the bottom switch signal and the top switch signal are valid respectively; specifically, when both the bottom switch signal and the top switch signal are active, the failure determination module 200 determines that the clutch is not faulty; the fault determination module 200 determines that a clutch has a fault when at least one of the bottom switch signal and the top switch signal is inactive. The clutch failure is divided into three cases, the first case where the bottom switch signal is inactive but the top switch signal is active, the second case where the bottom switch signal is active but the top switch signal is inactive, and the third case where both the bottom switch signal and the top switch signal are inactive.
The power state detection module 300 is configured to detect a current power state and transmit a detected power state signal to the relay control module 700.
The start-stop button signal detection module 400 detects whether the start-stop button is pressed, records a time interval t between pressing and releasing the button, and transmits the detected signal to the relay control module 700. The start-stop button signal detection module comprises a signal detection unit 401 and a timing unit 402; the signal detection unit 401 is configured to detect a signal that the start/stop button is pressed; the timing unit 402 is used for recording the time interval of the pressing and releasing of the start stop button.
The brake signal detection module 500 is configured to detect a signal indicating whether a brake is pressed, and transmit the detected signal to the relay control module 700.
The anti-theft authentication module 600 is configured to check a signal indicating whether the anti-theft authentication is passed, and transmit the detected signal to the relay control module 700.
And the other starting condition judging module is used for judging whether other starting conditions are met or not and transmitting the detected signal to the relay control module 700.
The relay control module 700 is configured to determine whether the power state is an ACC state according to the detected power state signal, determine whether the start/stop button is pressed or whether the time t meets the start condition according to the detected start/stop button signal, determine whether the brake is pressed according to the detected brake signal, determine whether the authentication is passed according to the detected anti-theft authentication signal, and control whether the relay is closed according to the determination result. And if the relay is electrified in a suction mode, the starter is driven to operate, the engine is started, and then the vehicle is started.
The system further comprises:
the signal sending module 800 is configured to transmit a fault notification signal to the fault notification module according to the determination result of the fault determining module 200.
And a fault reminding module 900, configured to send a clutch fault reminder to a user according to the received fault reminding signal. The fault reminding module 900 may be an alarm, an indicator light, a display or a meter, or may be a communication module that sends a clutch fault reminder to a user's mobile phone, or a combination of several devices.
And the gear detection module 1000 is used for detecting whether the current gear of the vehicle is an N gear.
The fault determination module 200 and the relay control module 700 may both be integrated on a keyless entry and start system or a body controller. That is, the functions of the malfunction determination and control relay may be performed by the keyless entry and start system or the vehicle body controller. Specifically, if the keyless entry and start system is not integrated into the vehicle body controller, the function of fault judgment and relay control is completed by the keyless entry and start system; if the keyless entry and start system is integrated into the vehicle body controller, the vehicle body controller completes the functions of fault judgment and relay control.
The invention provides an emergency starting method based on the failure of a clutch switch of an MT-band PEPS vehicle type. Specifically, as shown in fig. 5, the emergency starting method includes:
s101, after the clutch switch signal acquisition module acquires a bottom switch signal and a top switch signal of the clutch, the acquired signals are transmitted to the fault judgment module.
S102, a fault judgment module judges the fault of the clutch, and specifically, when a bottom switch signal and a top switch signal are both effective, the clutch has no fault; the clutch is faulty when at least one of the bottom switch signal and the top switch signal is inactive. The clutch failure is divided into three cases, the first case where the bottom switch signal is inactive but the top switch signal is active, the second case where the bottom switch signal is active but the top switch signal is inactive, and the third case where both the bottom switch signal and the top switch signal are inactive.
The system provides emergency starting methods for three conditions of clutch failure respectively, so that the safety of the vehicle after starting can be ensured to a certain extent, and the system is more suitable for users who are novice and do not know maintenance. Aiming at the first situation and the second situation, the emergency starting method provided by the system is consistent.
S103, when the judgment result of the fault judgment module is a first condition or a second condition, responding to the judgment result from the fault judgment module, and detecting the current power state of the vehicle by the power state detection module; the start-stop button signal detection module detects whether a start-stop button is pressed down or not and records the time interval t of pressing and releasing the button; the brake signal detection module detects a signal whether a brake is stepped on; the anti-theft authentication module detects whether the anti-theft authentication passes the signal. And the power state detection module, the start-stop button signal detection module, the brake signal detection module and the anti-theft authentication module further transmit the detected signals to the relay control module.
And S104, the relay control module responds to the received signal, judges the signal and further controls the relay to be attracted. If the power state signal is judged to be in an ACC state; the start stop button is pressed and the time interval T between pressing and releasing the button is greater than or equal to T; the brake signal is judged as that the brake is stepped on; when the anti-theft authentication signal is judged to pass the anti-theft authentication, the relay control module controls the relay to be attracted, so that the relay is positioned at a high end, the starter is driven to operate, the engine is started, and the vehicle is started. Where T is a preset time value, which may be 10 seconds.
The invention provides an emergency starting method based on the failure of a clutch switch of an MT-band PEPS vehicle type. Specifically, as shown in fig. 6, the emergency starting method includes:
s201, after the clutch switch signal acquisition module acquires a bottom switch signal and a top switch signal of the clutch, the acquired signals are transmitted to the fault judgment module.
S202, a fault judgment module judges the fault of the clutch, and specifically, when a bottom switch signal and a top switch signal are both effective, the clutch has no fault; the clutch is faulty when at least one of the bottom switch signal and the top switch signal is inactive. The clutch failure is divided into three cases, the first case where the bottom switch signal is inactive but the top switch signal is active, the second case where the bottom switch signal is active but the top switch signal is inactive, and the third case where both the bottom switch signal and the top switch signal are inactive.
The system provides emergency starting methods for three conditions of clutch failure respectively, so that the safety of the vehicle after starting can be ensured to a certain extent, and the system is more suitable for users who are novice and do not know maintenance. And a fault reminding module is added for reminding the fault of the condition that the bottom switch signal and the top switch signal are invalid.
S203, when the judgment result of the fault judgment module is the third condition, responding to the judgment result from the fault judgment module, and transmitting a fault reminding signal to the fault reminding module by the signal sending module.
And S204, responding to the fault reminding signal from the signal sending module, and reminding the clutch fault by the fault reminding module. Specifically, the fault reminding module may be an alarm, an indicator light, a display or a meter, or may be a communication module that sends a clutch fault reminder to a mobile phone of a user, or may be a combination of several devices. Specifically, the fault prompt may be "a clutch fault, please engage N gear and press a brake to restart the vehicle", or a sound prompt.
S205, a gear detection module detects the current gear of the vehicle; the power supply state detection module detects the current power supply state of the vehicle; the start-stop button signal detection module detects whether a start-stop button is pressed; the brake signal detection module detects a signal whether a brake is stepped on; the anti-theft authentication module detects whether the anti-theft authentication passes the signal. And the power state detection module, the start-stop button signal detection module, the brake signal detection module and the anti-theft authentication module further transmit the detected signals to the relay control module.
S206, the relay control module responds to the received signals, judges the signals and further controls the relay to be attracted. If the current gear of the vehicle is judged to be N gear; the power state signal is judged to be in an ACC state; the start stop button is pressed; the brake signal is judged as that the brake is stepped on; when the anti-theft authentication signal is judged to pass the anti-theft authentication, the relay control module controls the relay to be attracted, so that the relay is positioned at a high end, the starter is driven to operate, the engine is started, and the vehicle is started.
In the several embodiments provided in this application, the described apparatus embodiments are only illustrative, for example, the division of the units is only one logical function division, and there may be other division manners in actual implementation, for example, a plurality of units or components may be combined or may be integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. An emergency starting system based on MT and PEPS vehicle type clutch switch failure, characterized in that the system comprises: the clutch switch signal acquisition module (100) is used for acquiring a bottom switch signal and a top switch signal of the clutch; the fault judgment module (200) is used for judging whether the clutch has faults or not according to the collected bottom switch signal and the collected top switch signal; a power state detection module (300) for detecting a current power state; the starting and stopping button signal detection module (400) is used for detecting whether the starting and stopping button is pressed down or not and recording the time interval t of pressing the release button; the brake signal detection module (500) is used for detecting a signal whether a brake is stepped on; the anti-theft authentication module (600) is used for detecting whether the anti-theft authentication passes the signal; and the relay control module (700) is used for controlling the relay to be attracted according to the detected power state, the start stop button signal and the brake signal anti-theft authentication signal so as to start the vehicle.
2. The emergency starting system for the MT and PEPS vehicle type clutch switch failure based on claim 1, further comprising: and the signal sending module (800) is used for transmitting the fault reminding signal to the fault reminding module (900).
3. The emergency starting system for the MT and PEPS vehicle type clutch switch failure as claimed in claim 2, further comprising: and the fault reminding module (900) is used for sending out a clutch fault reminding according to the received fault reminding signal.
4. The emergency starting system for the MT and PEPS vehicle type clutch switch failure based on claim 3, further comprising: and the gear detection module (1000) is used for detecting the current gear information of the vehicle.
5. The emergency starting system for a clutch switch failure of an MT-band PEPS-based vehicle type as claimed in claim 1, wherein the failure determination module (200) determines whether the bottom switch signal and the top switch signal are valid or not, respectively.
6. The emergency starting system for a clutch failure of an MT-band PEPS-based vehicle type according to claim 5, wherein the failure determination module (20) determines that the clutch has a failure when at least one of the bottom switch signal and the top switch signal is inactive, and the failure determination module (20) determines that the clutch has no failure when both the bottom switch signal and the top switch signal are active.
7. The emergency starting system for a MT band PEPS based vehicle type clutch switch failure as claimed in claim 1, wherein said clutch switch signal acquisition module (100) is an electronic control unit of an engine or a vehicle body controller.
8. The emergency starting system for the MT and PEPS vehicle type clutch switch failure based on claim 1, characterized in that the start stop button signal detection module (400) comprises a signal detection unit (401) and a timing unit (402); the signal detection unit (401) is used for detecting a signal that the start and stop button is pressed; the timing unit (402) is used for recording the time interval of the pressing and releasing of the start and stop button.
9. The emergency starting system for the MT and PEPS vehicle type clutch switch failure as claimed in claim 1, wherein the failure determination module (200) and the relay control module (700) are integrated on a keyless entry and motion system.
10. The emergency starting system for the MT-band PEPS-based vehicle type clutch switch in the event of failure according to claim 9, characterized in that the failure judgment module (200) and the relay control module (700) are integrated into a vehicle body controller.
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| CN201810501511.XA CN108639064B (en) | 2018-05-23 | 2018-05-23 | Emergency starting system based on MT vehicle type clutch switch with PEPS (Passive entry Passive Start) failure |
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| CN201810501511.XA CN108639064B (en) | 2018-05-23 | 2018-05-23 | Emergency starting system based on MT vehicle type clutch switch with PEPS (Passive entry Passive Start) failure |
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| CN111508237B (en) * | 2019-07-31 | 2022-04-15 | 深圳智慧车联科技有限公司 | Device and method for monitoring speed of large vehicle at intersection |
| CN116653854A (en) * | 2023-07-11 | 2023-08-29 | 浙江春风动力股份有限公司 | motorcycle |
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| KR101836289B1 (en) * | 2016-10-21 | 2018-04-19 | 현대자동차 주식회사 | Engine clutch cotrolling apparatus for green car and method of thesame |
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| CN201883792U (en) * | 2010-03-19 | 2011-06-29 | 上海海拉电子有限公司 | Vehicle key-free entering and starting system |
| DE102011112875A1 (en) * | 2010-09-15 | 2012-03-15 | Gm Global Technology Operations Llc (N.D.Ges.D. Staates Delaware) | System and method for detecting a failed friction element |
| EP3132960A1 (en) * | 2015-08-18 | 2017-02-22 | Toyota Jidosha Kabushiki Kaisha | Vehicle |
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