CN112460254B - System, method and device for prohibiting torque output - Google Patents
System, method and device for prohibiting torque output Download PDFInfo
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- CN112460254B CN112460254B CN202011375794.1A CN202011375794A CN112460254B CN 112460254 B CN112460254 B CN 112460254B CN 202011375794 A CN202011375794 A CN 202011375794A CN 112460254 B CN112460254 B CN 112460254B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/16—Inhibiting or initiating shift during unfavourable conditions, e.g. preventing forward reverse shift at high vehicle speed, preventing engine over speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/36—Inputs being a function of speed
- F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/68—Inputs being a function of gearing status
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/48—Signals to a parking brake or parking lock; Control of parking locks or brakes being part of the transmission
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Regulating Braking Force (AREA)
- Control Of Transmission Device (AREA)
Abstract
The embodiment of the invention provides a system, a method and a device for inhibiting torque output. Judging whether first gear information sent by a gear shifter is received or not, whether the current vehicle speed is smaller than a set threshold value or not and whether parking locking information sent by a P gear locking controller is received or not; and if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information. According to the technical scheme provided by the embodiment of the invention, when the fact that the first gear information sent by the gear shifter, the current vehicle speed are smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the four-wheel drive controller is controlled to prohibit torque output, and the safety of torque output is improved.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of vehicles, in particular to a system, a method and a device for prohibiting torque output.
[ background of the invention ]
The extended range electric automobile Parking usually adopts a P-gear locking mechanism to perform mechanical Parking, in the Parking process, a Vehicle Control Unit (VCU) sends Parking locking information to the P-gear locking controller (PCU) only when an actual gear enters a Parking gear (park, P-gear for short), and the PCU performs mechanical locking of a speed reducer after receiving the Parking locking information so as to complete Parking of the P-gear. However, in the related art, when the actual gear is in Reverse gear (R gear), neutral gear (N gear) or forward gear (Drive gear), if the P gear locking mechanism or the PCU fails, the P gear locking mechanism locks itself, and if the four-wheel Drive controller outputs torque at this time, mechanical damage is caused to the locking mechanism and the speed reducer, and the safety of torque output is reduced.
[ summary of the invention ]
Embodiments of the present invention provide a system, a method and a device for prohibiting torque output, so as to improve the safety of torque output.
In one aspect, an embodiment of the present invention provides a system for inhibiting torque output, including:
the system comprises a vehicle control unit, a gear shifter, a P gear locking controller and a four-wheel drive controller;
the vehicle control unit is used for judging whether first gear information sent by the gear shifter is received or not, whether the current vehicle speed is smaller than a set threshold value or not and whether parking locking information sent by the P-gear locking controller is received or not; if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller;
and the four-wheel drive controller prohibits torque output according to the torque output prohibition information.
In another aspect, an embodiment of the present invention provides a method for inhibiting torque output, including:
judging whether first gear information sent by a gear shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking locking information sent by a P gear locking controller is received;
and if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information.
Optionally, the sending the torque output prohibition information to the four-wheel drive controller for the four-wheel drive controller to prohibit the torque output includes:
judging whether second gear information sent by a gear shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking unlocking information sent by a P gear locking controller is received;
if the fact that the second gear information sent by the gear shifter and the parking unlocking information sent by the P-gear locking controller are received is judged, whether the vehicle starting information sent by the whole vehicle controller is received is judged;
and if the vehicle starting information sent by the whole vehicle controller is judged to be received, the allowed torque output information is sent to the four-wheel drive controller, so that the four-wheel drive controller allows torque output according to the allowed torque output information.
Optionally, the method further comprises:
if the first gear information sent by the gear shifter is judged not to be received, the current vehicle speed is smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received, the step of judging whether the first gear information sent by the gear shifter is received or not, the current vehicle speed is smaller than the set threshold value or not and the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter, the current vehicle speed greater than or equal to the set threshold and the parking locking information sent by the P gear locking controller are judged to be received, the step of judging whether the first gear information sent by the gear shifter, the current vehicle speed less than the set threshold and the parking locking information sent by the P gear locking controller are received is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter, the current vehicle speed less than the set threshold value and the parking locking information sent by the P gear locking controller are judged to be received, the step of judging whether the first gear information sent by the gear shifter is received or not, the current vehicle speed less than the set threshold value or not and the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter is judged not to be received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is received, the step of judging whether the first gear information sent by the gear shifter is received or not, whether the current vehicle speed is less than the set threshold value or not and whether the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter is judged not to be received, the current vehicle speed is smaller than the set threshold value and the parking locking information sent by the P gear locking controller is not received, the step of judging whether the first gear information sent by the gear shifter is received or not, the current vehicle speed is smaller than the set threshold value or not and the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter, the current speed of the vehicle are larger than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the first gear information sent by the gear shifter is received or not, whether the current speed of the vehicle is smaller than the set threshold value or not and whether the parking locking information sent by the P gear locking controller is received or not; alternatively, the first and second electrodes may be,
and if the first gear information sent by the gear shifter is not received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the first gear information sent by the gear shifter is received, whether the current vehicle speed is less than the set threshold value and whether the parking locking information sent by the P gear locking controller is received.
Optionally, the method further comprises:
if the second gear information sent by the gear shifter is not received, the current vehicle speed is smaller than the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the step of judging whether the second gear information sent by the gear shifter is received, whether the current vehicle speed is smaller than the set threshold value and whether the parking unlocking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter, the current vehicle speed greater than or equal to the set threshold and the parking unlocking information sent by the P gear locking controller are judged to be received, the step of judging whether the second gear information sent by the gear shifter, the current vehicle speed less than the set threshold and the parking unlocking information sent by the P gear locking controller are received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter, the current vehicle speed less than the set threshold value and the parking unlocking information sent by the P gear locking controller are judged to be received, the step of judging whether the second gear information sent by the gear shifter is received, the current vehicle speed less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the step of judging whether the second gear information sent by the gear shifter is received, whether the current speed is less than the set threshold value and whether the parking unlocking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter is judged not to be received, the current vehicle speed is smaller than the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, the step of judging whether the second gear information sent by the gear shifter is received or not, the current vehicle speed is smaller than the set threshold value or not and the parking unlocking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter, the current speed of the vehicle are larger than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the second gear information sent by the gear shifter is received or not, whether the current speed of the vehicle is smaller than the set threshold value or not and whether the parking unlocking information sent by the P gear locking controller is received or not; alternatively, the first and second electrodes may be,
and if the second gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the second gear information sent by the gear shifter is received, whether the current speed is less than the set threshold value and whether the parking unlocking information sent by the P gear locking controller is received.
Optionally, the method further comprises:
and if the vehicle starting information sent by the vehicle controller is not received, continuing to execute the step of judging whether the vehicle starting information sent by the vehicle controller is received.
Optionally, the sending the torque output prohibition information to the four-wheel drive controller for the four-wheel drive controller to prohibit the torque output includes:
and sending fault display information to a vehicle control display so that the vehicle control display can display the fault information according to the fault display information.
In another aspect, an embodiment of the present invention provides an apparatus for inhibiting torque output, including:
the first judgment module is used for judging whether first gear information sent by the gear shifter is received or not, whether the current vehicle speed is smaller than a set threshold value or not and whether parking locking information sent by the P gear locking controller is received or not; if the fact that the received first gear information sent by the gear shifter, the current vehicle speed is smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the triggering sending module sends torque output prohibiting information to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibiting information.
In another aspect, an embodiment of the present invention provides a storage medium, where the storage medium includes a stored program, where the program is executed to control a device on which the storage medium is located to perform the above-mentioned method for prohibiting torque output.
In another aspect, an embodiment of the present invention provides a vehicle control unit, which includes a memory for storing information including program instructions and a processor for controlling execution of the program instructions, wherein the program instructions are loaded and executed by the processor to implement the steps of the method for inhibiting torque output.
According to the technical scheme of the method for prohibiting torque output, whether first gear information sent by a gear shifter is received or not, whether the current vehicle speed is smaller than a set threshold value or not and whether parking locking information sent by a P gear locking controller is received or not are judged; and if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information. According to the technical scheme provided by the embodiment of the invention, when the fact that the first gear information sent by the gear shifter, the current vehicle speed are smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the four-wheel drive controller is controlled to prohibit torque output, and the safety of torque output is improved.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive labor.
FIG. 1 is a schematic diagram of a system for disabling torque output according to an embodiment of the present invention;
FIG. 2 is a flow chart of a method of disabling torque output according to an embodiment of the present invention;
FIG. 3 is a flow chart of another method of disabling torque output provided by an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an apparatus for inhibiting torque output according to an embodiment of the present invention;
fig. 5 is a schematic view of a vehicle control unit according to an embodiment of the present invention.
[ detailed description ] embodiments
For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.
It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the examples of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be understood that the term "and/or" as used herein is merely one type of associative relationship that describes an associated object, meaning that three types of relationships may exist, e.g., A and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
An embodiment of the present invention provides a system for prohibiting torque output, and fig. 1 is a schematic structural diagram of the system for prohibiting torque output, as shown in fig. 1, the system includes: the control system comprises a vehicle control unit 1, a gear shifter 2, a P gear locking controller 3 and a four-wheel drive controller 4, wherein the vehicle control unit 1 is connected with the gear shifter 2, the vehicle control unit 1 is connected with the P gear locking controller 3, and the vehicle control unit 1 is connected with the four-wheel drive controller 4.
In the embodiment of the present invention, the system further includes: and the vehicle control display 5 and the vehicle control unit 1 are connected with the vehicle control display 5.
An embodiment of the present invention provides a method for prohibiting torque output, and fig. 2 is a flowchart of a method for prohibiting torque output according to an embodiment of the present invention, as shown in fig. 2, the method includes:
and 102, judging whether first gear information sent by a shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking locking information sent by a P gear locking controller is received.
In the embodiment of the invention, each step is executed by the vehicle control unit.
In the embodiment of the present invention, the steps can be applied to a scenario after a P-range lock controller or PCU failure has been identified.
In an embodiment of the present invention, the first gear information includes an R gear, an N gear, or a D gear.
In the embodiment of the present invention, the setting threshold may be set according to an actual situation, for example, the setting threshold includes 2 km/h.
When the vehicle is in the parking lock state, the P-gear lock controller can send parking lock information to the vehicle control unit.
In the embodiment of the invention, if the fact that the first gear information sent by the gear shifter is received, the current vehicle speed is smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the fact that the PCU or the P gear locking mechanism is in failure is indicated, and the P gear locking mechanism is enabled to be locked automatically.
And if the first gear information sent by the gear shifter is not received, the current vehicle speed is less than the set threshold value, and the parking locking information sent by the P gear locking controller is received, the gear shifter is indicated to be in fault.
If the fact that the first gear information sent by the gear shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are received are judged, the fact that the PCU or the P gear locking mechanism is in failure is indicated, the torque output prohibiting information is not sent to the four-wheel drive controller, the power of the vehicle is not interrupted, and the safety of vehicle running is guaranteed.
If the fact that the first gear information sent by the gear shifter is received, the current vehicle speed is smaller than the set threshold value, and the parking locking information sent by the P gear locking controller is not received is judged, it is indicated that the PCU or the P gear locking mechanism is not in fault, and the P gear locking mechanism is not automatically locked.
And if the first gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value, and the parking locking information sent by the P gear locking controller is received, the gear shifter is indicated to be in fault.
And if the first gear information sent by the gear shifter is not received, the current speed is less than the set threshold value, and the parking locking information sent by the P gear locking controller is not received, the gear shifter is indicated to be in fault.
If the fact that the first gear information sent by the gear shifter, the current speed of the vehicle are larger than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is not received is judged, it is indicated that the PCU or the P gear locking mechanism is not in failure, and the P gear locking mechanism is not automatically locked.
And if the first gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value, and the parking locking information sent by the P gear locking controller is not received, the gear shifter is indicated to be in fault.
And 104, if the first gear information sent by the shifter and the parking locking information sent by the P gear locking controller are judged to be received, the current speed is smaller than the set threshold value, and the parking locking information sent by the P gear locking controller is received, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information.
In the step, the four-wheel drive controller prohibits torque output according to the torque output prohibition information, and as an alternative scheme, the four-wheel drive controller of the vehicle does not output power any more, and the vehicle exits the drivable state.
According to the technical scheme provided by the embodiment of the invention, whether first gear information sent by a gear shifter is received or not, whether the current speed is less than a set threshold value or not and whether parking locking information sent by a P gear locking controller is received or not are judged; and if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information. According to the technical scheme provided by the embodiment of the invention, when the fact that the first gear information sent by the gear shifter, the current vehicle speed are smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the four-wheel drive controller is controlled to prohibit torque output, and the safety of torque output is improved.
An embodiment of the present invention provides another method for prohibiting torque output, and fig. 3 is a flowchart of another method for prohibiting torque output according to an embodiment of the present invention, as shown in fig. 3, the method includes:
In the embodiment of the present invention, the steps can be applied to a scenario after a P-range lock controller or PCU failure has been identified.
In the embodiment of the present invention, please refer to step 102 for a detailed description of step 202.
In the embodiment of the present invention, as an alternative, step 202 further includes: and awakening the PCU and delaying for a set time to ensure that the initialization is completed and the communication between the VCU and the PCU is normal. Wherein the set time comprises 300 milliseconds.
And step 204, sending torque output inhibition information to the four-wheel drive controller, so that the four-wheel drive controller inhibits torque output according to the torque output inhibition information.
In the embodiment of the present invention, please refer to step 104 for a detailed description of step 204.
And step 206, sending fault display information to the vehicle control display so that the vehicle control display can display the fault information according to the fault display information.
In the embodiment of the present invention, for example, the failure display information includes a parking lock failure, and at this time, the vehicle control display can display "parking lock failure" to indicate the driver that the parking lock of the vehicle has failed.
In an embodiment of the present invention, the second gear information includes: d gear or R gear.
When the vehicle is in a parking unlocking state, the P gear locking controller can send parking unlocking information to the vehicle control unit.
In the embodiment of the invention, if the second gear information sent by the shifter is received, the current vehicle speed is less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the failure of the PCU or the P gear locking mechanism is relieved.
And if the gear information sent by the gear shifter is not received, the current speed is less than the set threshold value, and the parking unlocking information sent by the P gear locking controller is received, the gear shifter is indicated to be in fault.
And if the fact that the second gear information sent by the shifter, the current vehicle speed and the parking unlocking information sent by the P gear locking controller are received are judged, the fact that the fault of the PCU or the P gear locking mechanism is relieved is indicated.
And if the fact that the second gear information sent by the gear shifter is received, the current vehicle speed is smaller than the set threshold value and the parking unlocking information sent by the P gear locking controller is not received is judged, the fact that the fault of the PCU or the P gear locking mechanism is relieved is indicated.
And if the second gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value, and the parking unlocking information sent by the P gear locking controller is received, the gear shifter is indicated to be in fault.
And if the second gear information sent by the gear shifter is not received, the current speed is less than the set threshold value, and the parking unlocking information sent by the P gear locking controller is not received, the gear shifter is indicated to be in fault.
If the fact that the second gear information sent by the gear shifter is received, the current speed is larger than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is not received is judged, the fact that the PCU or the P gear locking mechanism is in failure is indicated, the torque output prohibiting information is not sent to the four-wheel drive controller, the power of the vehicle is not interrupted, and the safety of vehicle running is guaranteed.
And if the second gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value, and the parking unlocking information sent by the P gear locking controller is not received, the gear shifter is indicated to be in fault.
In the embodiment of the invention, after judging that the second gear information sent by the gear shifter, the current vehicle speed are less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the driver needs to press the key switch again to receive the vehicle starting information sent by the vehicle control unit, so that when the fault of the PCU or the P gear locking mechanism is relieved, torque output cannot be carried out under the condition that the driver is unconscious, and the safety of driving the vehicle is improved.
In the embodiment of the invention, if the vehicle starting information sent by the vehicle controller is judged to be received, the fact that the driver presses the key switch again is indicated; and if the vehicle starting information sent by the vehicle controller is not received, the fact that the driver does not press the key switch again is indicated.
And step 212, sending the allowed torque output information to the four-wheel drive controller, so that the four-wheel drive controller allows torque output according to the allowed torque output information.
In this step, the four-wheel drive controller allows torque output according to the allowable torque output information, and as an alternative, the four-wheel drive controller of the vehicle outputs power, and the vehicle is in a drivable state.
And step 214, sending the failure display canceling information to the vehicle control display so that the vehicle control display cancels and displays the failure information according to the failure display canceling information.
In this step, the vehicle control display cancels the displayed "parking lock mechanism failure".
According to the technical scheme provided by the embodiment of the invention, whether first gear information sent by a gear shifter is received or not, whether the current speed is less than a set threshold value or not and whether parking locking information sent by a P gear locking controller is received or not are judged; and if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information. According to the technical scheme provided by the embodiment of the invention, when the fact that the first gear information sent by the gear shifter, the current vehicle speed are smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the four-wheel drive controller is controlled to prohibit torque output, and the safety of torque output is improved.
According to the technical scheme provided by the embodiment of the invention, when the first gear information of the vehicle is in the R gear, the N gear or the D gear, the parking locking information sent by the PCU is received to diagnose the fault of the PCU or the P gear locking mechanism, so that the torque output is forbidden, the mechanical structure of the vehicle is protected, and the economic loss of a user is reduced.
The embodiment of the invention provides a device for inhibiting torque output. Fig. 4 is a schematic structural diagram of an apparatus for inhibiting torque output according to an embodiment of the present invention, as shown in fig. 4, the apparatus includes: a first judging module 11 and a sending module 12.
The first judging module 11 is configured to judge whether first gear information sent by the shifter is received, whether a current vehicle speed is less than a set threshold, and whether parking lock information sent by the P-shift lock controller is received; if the first gear information sent by the shifter, the current vehicle speed less than the set threshold value and the parking locking information sent by the P-gear locking controller are judged to be received, the triggering and sending module 12 sends torque output prohibiting information to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibiting information.
In the embodiment of the present invention, the apparatus further includes: a second determination module 13 and a third determination module 14.
The second judging module 13 is configured to judge whether second gear information sent by the shifter is received, whether the current vehicle speed is less than a set threshold, and whether parking unlocking information sent by the P-shift lock controller is received; if the second gear information sent by the shifter, the current speed less than the set threshold value and the parking unlocking information sent by the P-gear locking controller are judged to be received, the third judging module 14 is triggered to judge whether the vehicle starting information sent by the whole vehicle controller is received or not; if the vehicle starting information sent by the vehicle controller is judged to be received, the triggering sending module 12 sends the allowed torque output information to the four-wheel drive controller, so that the four-wheel drive controller allows torque output according to the allowed torque output information.
In the embodiment of the invention, if the first judging module 11 judges that the first gear information sent by the gear shifter is not received, the current vehicle speed is less than the set threshold value and the parking locking information sent by the P gear locking controller is received, the steps of judging whether the first gear information sent by the gear shifter is received or not, whether the current vehicle speed is less than the set threshold value or not and whether the parking locking information sent by the P gear locking controller is received or not are continuously executed; alternatively, the first and second electrodes may be,
if the first judging module 11 judges that the first gear information sent by the gear shifter is received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is received, the first judging module continues to judge whether the first gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking locking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the first judging module 11 judges that the first gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking locking information sent by the P gear locking controller is not received, the first judging module continues to judge whether the first gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking locking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the first judging module 11 judges that the first gear information sent by the gear shifter is not received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is received, the first judging module continues to judge whether the first gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking locking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the first judging module 11 judges that the first gear information sent by the gear shifter is not received, the current vehicle speed is less than the set threshold value and the parking locking information sent by the P gear locking controller is not received, the first judging module continues to execute the step of judging whether the first gear information sent by the gear shifter is received, whether the current vehicle speed is less than the set threshold value and whether the parking locking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the first judging module 11 judges that the first gear information sent by the gear shifter is received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is not received, the step of judging whether the first gear information sent by the gear shifter is received or not, and whether the current vehicle speed is less than the set threshold value or not and whether the parking locking information sent by the P gear locking controller is received or not are continuously executed; alternatively, the first and second electrodes may be,
if the first judging module 11 judges that the first gear information sent by the gear shifter is not received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P-gear locking controller is not received, the first judging module continues to judge whether the first gear information sent by the gear shifter is received, and whether the current vehicle speed is less than the set threshold value and the parking locking information sent by the P-gear locking controller is received.
In the embodiment of the present invention, if the second determining module 13 determines that the second gear information sent by the gear shifter is not received, the current vehicle speed is less than the set threshold and the parking unlocking information sent by the P-gear locking controller is received, the second determining module continues to determine whether the second gear information sent by the gear shifter is received, and whether the current vehicle speed is less than the set threshold and the parking unlocking information sent by the P-gear locking controller is received; alternatively, the first and second electrodes may be,
if the second judging module 13 judges that the second gear information sent by the gear shifter is received, the current vehicle speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the second judging module continues to judge whether the second gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the second judging module 13 judges that the second gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, the second judging module continues to judge whether the second gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the second judging module 13 judges that the second gear information sent by the gear shifter is not received, the current vehicle speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the second judging module continues to judge whether the second gear information sent by the gear shifter is received, the current vehicle speed is less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received; alternatively, the first and second electrodes may be,
if the second judging module 13 judges that the second gear information sent by the gear shifter is not received, the current vehicle speed is less than the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, the second judging module continues to judge whether the second gear information sent by the gear shifter is received or not, and whether the current vehicle speed is less than the set threshold value or not and whether the parking unlocking information sent by the P gear locking controller is received or not; alternatively, the first and second electrodes may be,
if the second judging module 13 judges that the second gear information sent by the gear shifter is received, the current vehicle speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, the second judging module continues to judge whether the second gear information sent by the gear shifter is received or not, and whether the current vehicle speed is less than the set threshold value or not and whether the parking unlocking information sent by the P gear locking controller is received or not; alternatively, the first and second electrodes may be,
if the second determination module 13 determines that the second gear information sent by the gear shifter is not received, the current vehicle speed is greater than or equal to the set threshold and the parking unlocking information sent by the P-gear locking controller is not received, the second determination module continues to determine whether the second gear information sent by the gear shifter is received, whether the current vehicle speed is less than the set threshold and whether the parking unlocking information sent by the P-gear locking controller is received.
In the embodiment of the present invention, if the third determining module 14 determines that the vehicle start-up information sent by the vehicle controller is not received, the step of determining whether the vehicle start-up information sent by the vehicle controller is received is continuously performed.
In the embodiment of the present invention, the sending module 12 is further configured to send the fault display information to the vehicle control display, so that the vehicle control display displays the fault information according to the fault display information.
In the embodiment of the present invention, the sending module 12 is further configured to send the failure display canceling information to the vehicle control display, so that the vehicle control display cancels the failure display information according to the failure display canceling information.
According to the technical scheme provided by the embodiment of the invention, whether first gear information sent by a gear shifter is received or not, whether the current speed is less than a set threshold value or not and whether parking locking information sent by a P gear locking controller is received or not are judged; and if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibition information. According to the technical scheme provided by the embodiment of the invention, when the fact that the first gear information sent by the gear shifter, the current vehicle speed are smaller than the set threshold value and the parking locking information sent by the P gear locking controller is received is judged, the four-wheel drive controller is controlled to prohibit torque output, and the safety of torque output is improved.
The device for inhibiting torque output provided by the present embodiment can be used for implementing the method for inhibiting torque output in fig. 2 and 3, and specific description can be referred to the embodiment of the method for inhibiting torque output, and the description is not repeated here.
Embodiments of the present invention provide a storage medium including a stored program, wherein, when the program is executed, the apparatus on which the storage medium is located is controlled to execute each step of the above-mentioned embodiments of the method for prohibiting torque output, and specific descriptions can be found in the above-mentioned embodiments of the method for prohibiting torque output.
Embodiments of the present invention provide a vehicle control unit, which includes a memory and a processor, the memory is used for storing information including program instructions, the processor is used for controlling execution of the program instructions, and the program instructions are loaded and executed by the processor to implement the steps of the embodiments of the method for inhibiting torque output, which can be referred to in the detailed description of the embodiments of the method for inhibiting torque output.
Fig. 5 is a schematic view of a vehicle control unit according to an embodiment of the present invention. As shown in fig. 5, the vehicle control unit 20 of this embodiment includes: the processor 21, the memory 22, and the computer program 23 stored in the memory 22 and capable of running on the processor 21, wherein the computer program 23 when executed by the processor 21 implements the method for inhibiting torque output in the embodiment, and in order to avoid repetition, the detailed description is omitted here. Alternatively, the computer program is executed by the processor 21 to implement the functions of each model/unit in the device for inhibiting torque output in the embodiment, which are not described herein for avoiding redundancy.
The vehicle control unit 20 includes, but is not limited to, a processor 21 and a memory 22. Those skilled in the art will appreciate that fig. 5 is merely an example of the vehicle control unit 20 and does not constitute a limitation of the vehicle control unit 20 and may include more or less components than those shown, or combine certain components, or different components, for example, the vehicle control unit may also include input output devices, network access devices, buses, etc.
The Processor 21 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 22 may be an internal memory unit of the vehicle control unit 20, such as a hard disk or an internal memory of the vehicle control unit 20. The memory 22 may also be an external storage device of the vehicle control unit 20, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), etc. provided on the vehicle control unit 20. Further, the memory 22 may also include both an internal memory unit of the hybrid vehicle controller 20 and an external memory device. The memory 22 is used to store computer programs and other programs and data required by the vehicle control unit. The memory 22 may also be used to temporarily store data that has been output or is to be output.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments provided in the present invention, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions in actual implementation, for example, a plurality of units or components may be combined or 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, devices or units, and may be in an electrical, mechanical 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, or in a form of hardware plus a software functional unit.
The integrated unit implemented in the form of a software functional unit may be stored in a computer readable storage medium. The software functional unit is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) or a Processor (Processor) to execute some steps of the methods according to the embodiments of the present invention. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. A system for inhibiting torque output, comprising: the system comprises a vehicle control unit, a gear shifter, a P gear locking controller and a four-wheel drive controller;
the vehicle control unit is used for judging whether first gear information sent by the gear shifter is received or not, whether the current vehicle speed is smaller than a set threshold value or not and whether parking locking information sent by the P-gear locking controller is received or not; if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be less than the set threshold value, torque output prohibition information is sent to the four-wheel drive controller;
the four-wheel drive controller prohibits torque output according to the torque output prohibition information;
the vehicle control unit is also used for judging whether second gear information sent by the gear shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking unlocking information sent by the P-gear locking controller is received; if the fact that the second gear information sent by the gear shifter and the parking unlocking information sent by the P-gear locking controller are received is judged, whether the vehicle starting information sent by the whole vehicle controller is received is judged; if the fact that vehicle starting information sent by the whole vehicle controller is received is judged, allowing torque output information is sent to the four-wheel drive controller;
the four-wheel drive controller is also used for allowing torque output according to the allowed torque output information;
the first gear information comprises an R gear, an N gear or a D gear;
the second gear information includes: d gear or R gear.
2. A method of inhibiting torque output, comprising:
judging whether first gear information sent by a gear shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking locking information sent by a P gear locking controller is received;
if the received first gear information sent by the shifter, the current vehicle speed and the parking locking information sent by the P gear locking controller are judged to be smaller than a set threshold value, torque output prohibition information is sent to the four-wheel drive controller, and the four-wheel drive controller prohibits torque output according to the torque output prohibition information;
judging whether second gear information sent by a gear shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking unlocking information sent by a P gear locking controller is received;
if the fact that the second gear information sent by the gear shifter and the parking unlocking information sent by the P-gear locking controller are received is judged, whether the vehicle starting information sent by the whole vehicle controller is received is judged;
if the fact that vehicle starting information sent by the whole vehicle controller is received is judged, allowing torque output information is sent to a four-wheel drive controller, so that the four-wheel drive controller allows torque output according to the allowing torque output information;
the first gear information comprises an R gear, an N gear or a D gear;
the second gear information includes: d gear or R gear.
3. The method of claim 2, further comprising:
if the gear information sent by the first gear shifter is not received, the current vehicle speed is smaller than a set threshold value and the parking locking information sent by the P gear locking controller is received, the step of judging whether the first gear information sent by the gear shifter is received, whether the current vehicle speed is smaller than the set threshold value and whether the parking locking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter, the current vehicle speed greater than or equal to the set threshold and the parking locking information sent by the P gear locking controller are judged to be received, the step of judging whether the first gear information sent by the gear shifter, the current vehicle speed less than the set threshold and the parking locking information sent by the P gear locking controller are received is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter, the current vehicle speed less than the set threshold value and the parking locking information sent by the P gear locking controller are judged to be received, the step of judging whether the first gear information sent by the gear shifter is received or not, the current vehicle speed less than the set threshold value or not and the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter is judged not to be received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is received, the step of judging whether the first gear information sent by the gear shifter is received or not, whether the current vehicle speed is less than the set threshold value or not and whether the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter is judged not to be received, the current vehicle speed is smaller than the set threshold value and the parking locking information sent by the P gear locking controller is not received, the step of judging whether the first gear information sent by the gear shifter is received or not, the current vehicle speed is smaller than the set threshold value or not and the parking locking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the first gear information sent by the gear shifter, the current speed of the vehicle are larger than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the first gear information sent by the gear shifter is received or not, whether the current speed of the vehicle is smaller than the set threshold value or not and whether the parking locking information sent by the P gear locking controller is received or not; alternatively, the first and second electrodes may be,
and if the first gear information sent by the gear shifter is not received, the current vehicle speed is greater than or equal to the set threshold value and the parking locking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the first gear information sent by the gear shifter is received, whether the current vehicle speed is less than the set threshold value and whether the parking locking information sent by the P gear locking controller is received.
4. The method of claim 2, further comprising:
if the second gear information sent by the gear shifter is not received, the current vehicle speed is smaller than the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the step of judging whether the second gear information sent by the gear shifter is received, whether the current vehicle speed is smaller than the set threshold value and whether the parking unlocking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter, the current vehicle speed greater than or equal to the set threshold and the parking unlocking information sent by the P gear locking controller are judged to be received, the step of judging whether the second gear information sent by the gear shifter, the current vehicle speed less than the set threshold and the parking unlocking information sent by the P gear locking controller are received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter, the current vehicle speed less than the set threshold value and the parking unlocking information sent by the P gear locking controller are judged to be received, the step of judging whether the second gear information sent by the gear shifter is received, the current vehicle speed less than the set threshold value and the parking unlocking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is received, the step of judging whether the second gear information sent by the gear shifter is received, whether the current speed is less than the set threshold value and whether the parking unlocking information sent by the P gear locking controller is received is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter is judged not to be received, the current vehicle speed is smaller than the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, the step of judging whether the second gear information sent by the gear shifter is received or not, the current vehicle speed is smaller than the set threshold value or not and the parking unlocking information sent by the P gear locking controller is received or not is continuously executed; alternatively, the first and second electrodes may be,
if the second gear information sent by the gear shifter, the current speed of the vehicle are larger than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the second gear information sent by the gear shifter is received or not, whether the current speed of the vehicle is smaller than the set threshold value or not and whether the parking unlocking information sent by the P gear locking controller is received or not; alternatively, the first and second electrodes may be,
and if the second gear information sent by the gear shifter is not received, the current speed is greater than or equal to the set threshold value and the parking unlocking information sent by the P gear locking controller is not received, continuing to execute the step of judging whether the second gear information sent by the gear shifter is received, whether the current speed is less than the set threshold value and whether the parking unlocking information sent by the P gear locking controller is received.
5. The method of claim 2, further comprising:
and if the vehicle starting information sent by the vehicle controller is not received, continuing to execute the step of judging whether the vehicle starting information sent by the vehicle controller is received.
6. The method of claim 2, wherein sending the disable torque output information to the four-wheel drive controller for use after the four-wheel drive controller disables torque output comprises:
and sending fault display information to a vehicle control display so that the vehicle control display can display the fault information according to the fault display information.
7. An apparatus for inhibiting torque output, comprising:
the first judgment module is used for judging whether first gear information sent by the gear shifter is received or not, whether the current vehicle speed is smaller than a set threshold value or not and whether parking locking information sent by the P gear locking controller is received or not; if the received first gear information sent by the shifter, the current vehicle speed less than the set threshold value and the received parking locking information sent by the P gear locking controller are judged, the triggering sending module sends torque output prohibiting information to the four-wheel drive controller, so that the four-wheel drive controller prohibits torque output according to the torque output prohibiting information;
the first judging module is also used for judging whether second gear information sent by the gear shifter is received, whether the current vehicle speed is smaller than a set threshold value and whether parking unlocking information sent by the P gear locking controller is received; if the fact that the second gear information sent by the gear shifter and the parking unlocking information sent by the P-gear locking controller are received is judged, whether the vehicle starting information sent by the whole vehicle controller is received is judged; if the fact that vehicle starting information sent by the whole vehicle controller is received is judged, a sending module is triggered to send allowed torque output information to a four-wheel drive controller, so that the four-wheel drive controller allows torque output according to the allowed torque output information;
the first gear information comprises an R gear, an N gear or a D gear;
the second gear information includes: d gear or R gear.
8. A storage medium comprising a stored program, wherein the program, when executed, controls an apparatus in which the storage medium is located to perform the method of inhibiting torque output according to any one of claims 2 to 6.
9. A vehicle control unit comprising a memory for storing information including program instructions and a processor for controlling the execution of the program instructions, wherein the program instructions are loaded and executed by the processor to carry out the steps of the method of inhibiting torque output according to any one of claims 2 to 6.
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