CN110345243B - Automobile gear control method and system, vehicle-mounted terminal and storage medium - Google Patents
Automobile gear control method and system, vehicle-mounted terminal and storage medium Download PDFInfo
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- CN110345243B CN110345243B CN201910562975.6A CN201910562975A CN110345243B CN 110345243 B CN110345243 B CN 110345243B CN 201910562975 A CN201910562975 A CN 201910562975A CN 110345243 B CN110345243 B CN 110345243B
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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Abstract
The invention is suitable for the technical field of automobiles, and provides an automobile gear control method, an automobile gear control system, an automobile terminal and a storage medium, wherein the method comprises the following steps: acquiring an original gear position of a current vehicle gear shifter to obtain an original gear; acquiring a gear shifting position of a gear shifter, and determining a required gear according to an original gear and the gear shifting position; acquiring the power-on state and the driving state of the current vehicle, and acquiring the locking state of a P gear lock of the current vehicle; and determining an actual gear according to the driving state, the power-on state, the locking state and the required gear, and controlling and switching the driving state according to the actual gear. According to the invention, the actual gear state is accurately judged by collecting and determining the gear based on the driving state, the power-on state, the locking state and the required gear, and the switching control of the current vehicle state is correspondingly carried out according to the actual gear, so that the phenomenon of low gear control accuracy caused by collecting the current gear based on the gear shifter and the driving state of the automobile is prevented.
Description
Technical Field
The invention belongs to the technical field of automobiles, and particularly relates to an automobile gear control method, an automobile gear control system, an automobile terminal and a storage medium.
Background
In recent years, with the rapid development of new energy automobiles, different types of pure electric automobiles have higher market occupation ratios, and the whole automobile control safety design of the pure electric automobiles is also important in development tasks of various automobile manufacturers.
In a pure electric vehicle, vehicle parking, advancing, backing and neutral sliding control is usually realized by a vehicle controller according to a logic gear given by an automatic Transmission Control Unit (TCU) to perform response of a relevant control mode; the electronic gear unit SCU is used as a device for directly sensing driving intention of a user during driving, collects gear signals and sends the gear signals to the automatic transmission control unit TCU through CAN information to carry out gear logic judgment.
However, in the existing automobile gear control process, the actual gear is determined only by collecting the current gear based on the gear shifter and the automobile running state, so that the gear control accuracy is low, the risk of gear switching misjudgment exists, and the safety performance of automobile driving is reduced.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a system for controlling an automobile gear, a vehicle-mounted terminal and a storage medium, and aims to solve the problem of low gear control accuracy caused by determining an actual gear only by acquiring the current gear based on a gear shifter and the driving state of an automobile in the existing automobile gear control process.
The embodiment of the invention is realized in such a way that an automobile gear control method comprises the following steps:
collecting the original gear position of the current vehicle gear shifter to obtain an original gear;
acquiring a gear shifting position of the gear shifter, and determining a required gear according to the original gear and the gear shifting position;
acquiring the power-on state and the driving state of the current vehicle, and acquiring the locking state of a P gear lock of the current vehicle;
and determining an actual gear according to the driving state, the power-on state, the locking state and the required gear, and controlling and switching the driving state according to the actual gear.
Still further, the step of determining a required gear from the original gear and the shift position includes:
when the gear shifting time of the gear shifting position in the R gear is larger than a time threshold value, determining that the required gear is the R gear;
when the gear shifting time of the gear shifting position in the D gear is larger than a time threshold value, determining that the required gear is the D gear;
when the gear shifting time of the gear shifting position in the N gear is larger than a time threshold, determining that the required gear is the N gear;
and when the original gear is the P gear and the absolute value of the speed of the current vehicle is greater than 3kph, determining that the required gear is the N gear.
Further, the step of determining an actual gear according to the driving state, the power-on state, the locked state and the required gear comprises:
when the power-on state is a strong electric state and the driving state is a neutral sliding state, and when a step signal that the required gear is an R gear or a D gear is received, the actual gear is judged to be the R gear or the D gear correspondingly;
when the power-on state is a strong electric state and the driving state is a parking state, and a step signal that the required gear is an R gear or a D gear is received, the P gear lock is controlled to be unlocked within preset time, and the actual gear is judged to be the R gear or the D gear correspondingly;
when the power-on state is a strong electric state and the driving state is a parking state, the step signal that the required gear is an R gear or a D gear is not received, and when the P gear lock is detected to be unlocked, the actual gear is determined to be an N gear;
when the power-on state is a strong electric state and the driving state is a forward state, detecting that the P gear lock is locked, and judging that the actual gear is a P gear;
when the power-on state is a strong current state and the driving state is a forward state, receiving a step signal that the required gear is N gear, and judging that the actual gear is N gear;
when the power-on state is a strong electric state and the running state is a forward state, when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than 5kph, the actual gear is set to be an N gear, and when the speed of the current vehicle is less than 5kph, the actual gear is set to be the R gear;
and when the power-on state is a strong electric state and the running state is a forward state, and when the step signal that the required gear is the R gear is received and the speed of the current vehicle is less than 5kph, setting the actual gear to be the R gear.
Further, the step of determining an actual gear according to the driving state, the power-on state, the locked state, and the required gear further includes:
when the power-on state is a strong electric state and the driving state is a reverse state and the P gear lock is detected to be locked, judging that the actual gear is the P gear;
when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an N gear is received, the actual gear is determined to be the N gear;
when the power-on state is a strong current state and the driving state is a reverse state, when a step signal that the required gear is a D gear is received and the speed of the current vehicle is less than-5 kph, the actual gear is set to be the N gear, and when the speed of the current vehicle is greater than-5 kph, the actual gear is set to be the D gear;
and when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than-5 kph, determining that the actual gear is a D gear.
Still further, the method further comprises:
when the required gear is P gear and a brake signal is not received, controlling the P gear lock to lock;
when the required gear is P gear and the brake signal is received, controlling the P gear lock to unlock;
when the required gear is an N gear, the brake signal is not received, and the speed of the current vehicle is less than 10kph, controlling the locking of an N gear lock of the current vehicle;
and when the required gear is an N gear and the received brake signal or the current vehicle speed is more than 10kph, controlling the N gear to be unlocked.
Still further, the method further comprises:
when a step signal that the required gear is an R gear, an N gear or a D gear is received, starting the starting enable of a P gear;
when a step signal that the required gear is P gear is received, starting locking enabling of the P gear;
when receiving a charging signal, sending a locking enable signal and sending a reset signal to a P-gear button;
and when judging that the current vehicle is dormant, sending a locking enabling signal and sending a reset signal to the P-gear button.
It is another object of an embodiment of the present invention to provide a vehicle gear control system, including:
the original gear acquisition module is used for acquiring the original gear position of the current vehicle gear shifter so as to acquire an original gear;
the required gear determining module is used for acquiring the gear shifting position of the gear shifter and determining a required gear according to the original gear and the gear shifting position;
the state acquisition module is used for acquiring the power-on state and the running state of the current vehicle and acquiring the locking state of the P gear lock of the current vehicle;
and the control switching module is used for determining an actual gear according to the running state, the power-on state, the locking state and the required gear, and controlling and switching the running state according to the actual gear.
Still further, the required gear determination module is further configured to:
when the gear shifting time of the gear shifting position in the R gear is larger than a time threshold value, determining that the required gear is the R gear;
when the gear shifting time of the gear shifting position in the D gear is larger than a time threshold value, determining that the required gear is the D gear;
when the gear shifting time of the gear shifting position in the N gear is larger than a time threshold, determining that the required gear is the N gear;
and when the original gear is the P gear and the absolute value of the speed of the current vehicle is greater than 3kph, determining that the required gear is the N gear.
Another object of an embodiment of the present invention is to provide a vehicle-mounted terminal, including a storage device and a processor, where the storage device is used to store a computer program, and the processor runs the computer program to make the vehicle-mounted terminal execute the above-mentioned vehicle gear control method.
Another object of an embodiment of the present invention is to provide a storage medium, which is characterized by storing a computer program used in the vehicle-mounted terminal, wherein the computer program, when executed by a processor, implements the steps of the vehicle gear control method.
According to the embodiment of the invention, the actual gear state is accurately judged by collecting and determining the required gear based on the driving state, the power-on state, the locking state and the required gear, and the switching control of the current vehicle state is correspondingly carried out according to the actual gear, so that the phenomenon of low gear control accuracy caused by the fact that the actual gear is determined only by collecting the current gear based on the gear shifter and the driving state of the automobile is prevented.
Drawings
FIG. 1 is a flowchart of a method for controlling a gear of a vehicle according to a first embodiment of the present invention;
FIG. 2 is a flowchart of a method for controlling a gear of a vehicle according to a second embodiment of the present invention;
FIG. 3 is a flowchart of a method for controlling a gear of a vehicle according to a third embodiment of the present invention;
fig. 4 is a schematic structural diagram of a vehicle gear control system according to a fourth embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to explain the technical means of the present invention, the following description will be given by way of specific examples.
Example one
Referring to fig. 1, a flowchart of a method for controlling a gear of an automobile according to a first embodiment of the present invention includes the steps of:
step S10, collecting the original gear position of the current vehicle gear shifter to obtain the original gear;
in the step, the position of the original gear is collected by controlling an electronic gear device to obtain an original gear signal, the original gear signal is subjected to filtering processing to remove a jitter signal and is sent to the vehicle control unit, and the vehicle control unit processes the signal to obtain the original gear;
step S20, acquiring the gear shifting position of the gear shifter, and determining a required gear according to the original gear and the gear shifting position;
the required gear is a gear obtained by judging the intention of a driver and analyzing the driving condition according to the condition;
step S30, acquiring the power-on state and the driving state of the current vehicle, and acquiring the locking state of the P gear lock of the current vehicle;
the power-on state comprises a weak current state and a strong current state, the weak current state refers to that the whole vehicle is in weak power supply and the engine is not started, the strong current state refers to that the whole vehicle is in strong power supply and the engine is started, the running state refers to the current state of the current vehicle, the running state comprises a parking state, a forward running state, a reverse gear state and a neutral sliding state, and the locking state comprises an opening state and a closing state;
step S40, determining an actual gear according to the driving state, the power-on state, the locking state and the required gear, and controlling and switching the driving state according to the actual gear;
in this embodiment, the actual gear state is accurately determined by collecting and determining the gear based on the driving state, the power-on state, the locking state and the required gear, and the switching control of the current vehicle state is correspondingly performed according to the actual gear, so that the phenomenon of low gear control accuracy caused by the fact that the actual gear is determined only by collecting the current gear based on the gear shifter and the driving state of the vehicle is prevented.
Example two
Referring to fig. 2, a flowchart of a vehicle gear control method according to a second embodiment of the present invention includes the steps of:
step S11, collecting the original gear position of the current vehicle gear shifter to obtain the original gear;
in the step, the position of the original gear is collected by controlling an electronic gear device to obtain an original gear signal, the original gear signal is subjected to filtering processing to remove a jitter signal and is sent to the vehicle control unit, and the vehicle control unit processes the signal to obtain the original gear;
step S21, when the gear shifting time of the gear shifting position in the R gear, the D gear or the N gear is larger than a time threshold, determining that the required gear corresponds to the R gear, the D gear or the N gear;
in this embodiment, the time threshold may be set autonomously according to a user requirement, and in this embodiment, the time threshold is 50ms, preferably, the time threshold may also be 100ms, 150ms, or 200ms, and the like;
step S31, when the original gear is P gear and the absolute value of the speed of the current vehicle is greater than 3kph, the required gear is determined to be N gear;
step S41, acquiring the power-on state and the driving state of the current vehicle, and acquiring the locking state of the P gear lock of the current vehicle;
the power-on state comprises a weak current state and a strong current state, the weak current state refers to that the whole vehicle is in weak power supply and the engine is not started, the strong current state refers to that the whole vehicle is in strong power supply and the engine is started, the running state refers to the current state of the current vehicle, the running state comprises a parking state, a forward running state, a reverse gear state and a neutral sliding state, and the locking state comprises an opening state and a closing state;
step S51, determining an actual gear according to the driving state, the power-on state, the locking state and the required gear, and controlling and switching the driving state according to the actual gear;
specifically, the step S51 includes:
when the power-on state is a weak current state, judging whether the actual gear is P gear or non-P gear according to the actual feedback signal of the P gear lock; the actual gear is a non-P gear, and the required gear is a certain gear which is actually the gear; the required gear is non-P or non-N, and the upper strong electricity meter displays 'the upper strong electricity please be connected with P or N';
when the power-on state is a strong electric state and the driving state is a neutral sliding state, and when a step signal that the required gear is an R gear or a D gear is received, the actual gear is judged to be the R gear or the D gear correspondingly;
when the power-on state is a strong electric state and the driving state is a parking state, and a step signal that the required gear is an R gear or a D gear is received, the P gear lock is controlled to be unlocked within preset time, and the actual gear is judged to be the R gear or the D gear correspondingly;
when the power-on state is a strong electric state and the driving state is a parking state, the step signal that the required gear is an R gear or a D gear is not received, and when the P gear lock is detected to be unlocked, the actual gear is determined to be an N gear;
when the power-on state is a strong electric state and the driving state is a forward state, detecting that the P gear lock is locked, and judging that the actual gear is a P gear;
when the power-on state is a strong current state and the driving state is a forward state, receiving a step signal that the required gear is N gear, and judging that the actual gear is N gear;
when the power-on state is a strong electric state and the running state is a forward state, when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than 5kph, the actual gear is set to be an N gear, and when the speed of the current vehicle is less than 5kph, the actual gear is set to be the R gear;
when the power-on state is a strong electric state and the running state is a forward state, and when a step signal that the required gear is an R gear is received and the speed of the current vehicle is less than 5kph, setting the actual gear as the R gear;
when the power-on state is a strong electric state and the driving state is a reverse state and the P gear lock is detected to be locked, judging that the actual gear is the P gear;
when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an N gear is received, the actual gear is determined to be the N gear;
when the power-on state is a strong current state and the driving state is a reverse state, when a step signal that the required gear is a D gear is received and the speed of the current vehicle is less than-5 kph, the actual gear is set to be the N gear, and when the speed of the current vehicle is greater than-5 kph, the actual gear is set to be the D gear;
when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than-5 kph, the actual gear is determined to be a D gear;
step S61, sending a display instruction to an instrument panel of the current vehicle according to the actual gear;
in addition, in this embodiment, when the gear is failed, a display instruction is sent to the failure flag bit on the instrument panel so as to remind the driver, specifically, the display of the actual gear on the instrument panel may be displayed in a text, image or number manner;
step S71, when a step signal that the required gear is R gear, N gear or D gear is received, starting the starting enabling of P gear;
the subsequent P gear is effectively and conveniently used by starting the starting enable of the P gear;
step S81, when a step signal that the required gear is P gear is received, locking enabling of the P gear is started; when receiving a charging signal, sending a locking enable signal and sending a reset signal to a P-gear button;
step S91, when judging that the current vehicle is dormant, sending a locking enabling signal and sending a reset signal to the P-gear button;
step S101, when the required gear is a P gear and a brake signal is not received, controlling the P gear lock to lock; when the required gear is P gear and the brake signal is received, controlling the P gear lock to unlock;
step S111, when the required gear is an N gear, the brake signal is not received, and the speed of the current vehicle is less than 10kph, controlling the N gear lock of the current vehicle to be locked;
step S121, when the required gear is an N gear and the received brake signal or the speed of the current vehicle is greater than 10kph, controlling the N gear to be unlocked;
in this embodiment, the actual gear state is accurately determined by collecting and determining the gear based on the driving state, the power-on state, the locking state and the required gear, and the switching control of the current vehicle state is correspondingly performed according to the actual gear, so that the phenomenon of low gear control accuracy caused by the fact that the actual gear is determined only by collecting the current gear based on the gear shifter and the driving state of the vehicle is prevented.
EXAMPLE III
Referring to fig. 3, a flowchart of a method for controlling a gear of an automobile according to a third embodiment of the present invention includes the steps of:
step S12, after EPP awakens, carrying out initialization self-checking; after the self-checking is finished, the information of the P gear state, the P gear sensor state, the fault state and the like of the vehicle controller is sent to the vehicle controller;
step S22, after the SCU is awakened, carrying out initialization self-checking; after the ok self-checking, P, N lock position feedback, gear position signals, gear failure conditions and other information of the vehicle are sent to the vehicle control unit;
step S32, the vehicle control unit processes the original gear signal, judges the required gear, calculates the actual gear and judges the displayed gear according to the basic information provided by SCU and EPP;
step S42, the vehicle control unit provides the calculated actual gear signal to the internal torque module of the software, and controls the parking, advancing, backing and neutral sliding functions of the vehicle;
step S52, the vehicle control unit sends the judged display gear to the instrument;
step S62, the vehicle control unit sends corresponding P gear opening and stopping enable to the EPP to realize the gear P control function;
step S72, the vehicle control unit sends a corresponding P, N lock enabling flag bit to the SCU;
step S82, under the charging state and the power failure of the automobile battery, the vehicle control unit sends corresponding P returning instructions to the EPP and the SCU to realize the automatic P returning function;
in the embodiment, the vehicle control unit realizes the functions of parking, advancing, backing and neutral sliding of the vehicle through the vehicle gear switching control method, and is used as a core controller of a power assembly domain, the vehicle control unit can reasonably process gear switching logic in real time, the risk of gear misjudgment is avoided, and the vehicle control unit is particularly suitable for a pure electric vehicle type of an integrated motor driving system.
Example 4
Referring to fig. 4, a schematic structural diagram of a vehicle gear control system 100 according to a fourth embodiment of the present invention is shown, where the system includes: the system comprises an original gear acquiring module 10, a required gear determining module 11, a state acquiring module 12 and a control switching module 13, wherein:
and the original gear acquiring module 10 is used for acquiring an original gear position of the current vehicle gear shifter to acquire an original gear.
And the required gear determining module 11 is used for acquiring the gear shifting position of the gear shifter and determining a required gear according to the original gear and the gear shifting position.
Still further, the required gear determination module 11 is further configured to: when the gear shifting time of the gear shifting position in the R gear is larger than a time threshold value, determining that the required gear is the R gear; when the gear shifting time of the gear shifting position in the D gear is larger than a time threshold value, determining that the required gear is the D gear; when the gear shifting time of the gear shifting position in the N gear is larger than a time threshold, determining that the required gear is the N gear; and when the original gear is the P gear and the absolute value of the speed of the current vehicle is greater than 3kph, determining that the required gear is the N gear.
And the state acquisition module 12 is configured to acquire a power-on state and a driving state of the current vehicle, and acquire a locking state of a P-gear lock of the current vehicle.
And the control switching module 13 is configured to determine an actual gear according to the driving state, the power-on state, the locking state and the required gear, and control switching of the driving state according to the actual gear.
Preferably, the control switching module 13 is further configured to: when the power-on state is a strong electric state and the driving state is a neutral sliding state, and when a step signal that the required gear is an R gear or a D gear is received, the actual gear is judged to be the R gear or the D gear correspondingly; when the power-on state is a strong electric state and the driving state is a parking state, and a step signal that the required gear is an R gear or a D gear is received, the P gear lock is controlled to be unlocked within preset time, and the actual gear is judged to be the R gear or the D gear correspondingly; when the power-on state is a strong electric state and the driving state is a parking state, the step signal that the required gear is an R gear or a D gear is not received, and when the P gear lock is detected to be unlocked, the actual gear is determined to be an N gear; when the power-on state is a strong electric state and the driving state is a forward state, detecting that the P gear lock is locked, and judging that the actual gear is a P gear; when the power-on state is a strong current state and the driving state is a forward state, receiving a step signal that the required gear is N gear, and judging that the actual gear is N gear; when the power-on state is a strong electric state and the running state is a forward state, when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than 5kph, the actual gear is set to be an N gear, and when the speed of the current vehicle is less than 5kph, the actual gear is set to be the R gear; and when the power-on state is a strong electric state and the running state is a forward state, and when the step signal that the required gear is the R gear is received and the speed of the current vehicle is less than 5kph, setting the actual gear to be the R gear.
Specifically, in this embodiment, the control switching module 13 is further configured to: when the power-on state is a strong electric state and the driving state is a reverse state and the P gear lock is detected to be locked, judging that the actual gear is the P gear; when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an N gear is received, the actual gear is determined to be the N gear; when the power-on state is a strong current state and the driving state is a reverse state, when a step signal that the required gear is a D gear is received and the speed of the current vehicle is less than-5 kph, the actual gear is set to be the N gear, and when the speed of the current vehicle is greater than-5 kph, the actual gear is set to be the D gear; and when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than-5 kph, determining that the actual gear is a D gear.
In addition, in this embodiment, the vehicle gear control system 100 further includes:
the gear lock control module 14 is configured to control the P gear lock to lock when the required gear is a P gear and a brake signal is not received; when the required gear is P gear and the brake signal is received, controlling the P gear lock to unlock; when the required gear is an N gear, the brake signal is not received, and the speed of the current vehicle is less than 10kph, controlling the locking of an N gear lock of the current vehicle; and when the required gear is an N gear and the received brake signal or the current vehicle speed is more than 10kph, controlling the N gear to be unlocked.
Further, the vehicle gear control system 100 further includes:
the enabling control module 15 is configured to, when receiving a step signal that the required gear is an R gear, an N gear, or a D gear, start enabling of a P gear; when a step signal that the required gear is P gear is received, starting locking enabling of the P gear; when receiving a charging signal, sending a locking enable signal and sending a reset signal to a P-gear button; and when judging that the current vehicle is dormant, sending a locking enabling signal and sending a reset signal to the P-gear button.
In this embodiment, the actual gear state is accurately determined by collecting and determining the gear based on the driving state, the power-on state, the locking state and the required gear, and the switching control of the current vehicle state is correspondingly performed according to the actual gear, so that the phenomenon of low gear control accuracy caused by the fact that the actual gear is determined only by collecting the current gear based on the gear shifter and the driving state of the vehicle is prevented.
EXAMPLE five
A fifth embodiment of the present invention provides an in-vehicle terminal, including a storage device and a processor, where the storage device is used to store a computer program, and the processor runs the computer program to make the in-vehicle terminal execute the above-mentioned vehicle gear control method.
The present embodiment also provides a storage medium having stored thereon a computer program for use in the above-mentioned in-vehicle terminal, which when executed, includes the steps of:
collecting the original gear position of the current vehicle gear shifter to obtain an original gear;
acquiring a gear shifting position of the gear shifter, and determining a required gear according to the original gear and the gear shifting position;
acquiring the power-on state and the driving state of the current vehicle, and acquiring the locking state of a P gear lock of the current vehicle;
and determining an actual gear according to the driving state, the power-on state, the locking state and the required gear, and controlling and switching the driving state according to the actual gear. The storage medium, such as: ROM/RAM, magnetic disk, optical disk, etc.
It will be apparent to those skilled in the art that, for convenience and brevity of description, only the above-mentioned division of the functional units and modules is used as an example, in practical applications, the above-mentioned function distribution may be performed by different functional units or modules according to needs, that is, the internal structure of the storage device is divided into different functional units or modules to perform all or part of the above-mentioned functions. Each functional unit and module in the embodiments may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit, and the integrated unit may be implemented in a form of hardware, or may be implemented in a form of software functional unit. In addition, specific names of the functional units and modules are only for convenience of distinguishing from each other, and are not used for limiting the protection scope of the present application.
Those skilled in the art will appreciate that the configuration shown in FIG. 4 is not intended to be limiting and that the vehicle gear control system of the present invention may include more or fewer components than shown, or some components in combination, or a different arrangement of components, and that the vehicle gear control methods of FIGS. 1-3 may be implemented using more or fewer components than shown in FIG. 4, or some components in combination, or a different arrangement of components. The units, modules, etc. referred to herein are a series of computer programs that can be executed by a processor (not shown) in the vehicle gear control system and that can perform specific functions, and all of the computer programs can be stored in a storage device (not shown) of the vehicle gear control system.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A method for controlling gears of a vehicle, the method comprising:
collecting the original gear position of the current vehicle gear shifter to obtain an original gear;
acquiring a gear shifting position of the gear shifter, and determining a required gear according to the original gear and the gear shifting position;
acquiring the power-on state and the driving state of the current vehicle, and acquiring the locking state of a P gear lock of the current vehicle;
and determining an actual gear according to the driving state, the power-on state, the locking state and the required gear, and controlling and switching the driving state according to the actual gear.
2. The vehicle gear control method according to claim 1, wherein the step of determining the required gear based on the original gear and the shift position includes:
when the gear shifting time of the gear shifting position in the R gear is larger than a time threshold value, determining that the required gear is the R gear;
when the gear shifting time of the gear shifting position in the D gear is larger than a time threshold value, determining that the required gear is the D gear;
when the gear shifting time of the gear shifting position in the N gear is larger than a time threshold, determining that the required gear is the N gear;
and when the original gear is the P gear and the absolute value of the speed of the current vehicle is greater than 3kph, determining that the required gear is the N gear.
3. The automobile gear control method according to claim 1, wherein the step of determining an actual gear based on the driving state, the power-on state, the locked state, and the required gear includes:
when the power-on state is a strong electric state and the driving state is a neutral sliding state, and when a step signal that the required gear is an R gear or a D gear is received, the actual gear is judged to be the R gear or the D gear correspondingly;
when the power-on state is a strong electric state and the driving state is a parking state, and a step signal that the required gear is an R gear or a D gear is received, the P gear lock is controlled to be unlocked within preset time, and the actual gear is judged to be the R gear or the D gear correspondingly;
when the power-on state is a strong electric state and the driving state is a parking state, the step signal that the required gear is an R gear or a D gear is not received, and when the P gear lock is detected to be unlocked, the actual gear is determined to be an N gear;
when the power-on state is a strong electric state and the driving state is a forward state, detecting that the P gear lock is locked, and judging that the actual gear is a P gear;
when the power-on state is a strong current state and the driving state is a forward state, receiving a step signal that the required gear is N gear, and judging that the actual gear is N gear;
when the power-on state is a strong electric state and the running state is a forward state, when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than 5kph, the actual gear is set to be an N gear, and when the speed of the current vehicle is less than 5kph, the actual gear is set to be the R gear;
and when the power-on state is a strong electric state and the running state is a forward state, and when the step signal that the required gear is the R gear is received and the speed of the current vehicle is less than 5kph, setting the actual gear to be the R gear.
4. The vehicle gear control method according to claim 1, wherein the step of determining an actual gear based on the driving state, the power-on state, the locked state, and the required gear further comprises:
when the power-on state is a strong electric state and the driving state is a reverse state and the P gear lock is detected to be locked, judging that the actual gear is the P gear;
when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an N gear is received, the actual gear is determined to be the N gear;
when the power-on state is a strong current state and the driving state is a reverse state, when a step signal that the required gear is a D gear is received and the speed of the current vehicle is less than-5 kph, the actual gear is set to be the N gear, and when the speed of the current vehicle is greater than-5 kph, the actual gear is set to be the D gear;
and when the power-on state is a strong current state and the driving state is a reverse state, and when a step signal that the required gear is an R gear is received and the speed of the current vehicle is greater than-5 kph, determining that the actual gear is a D gear.
5. The vehicle gear control method according to claim 1, characterized by further comprising:
when the required gear is P gear and a brake signal is not received, controlling the P gear lock to lock;
when the required gear is P gear and the brake signal is received, controlling the P gear lock to unlock;
when the required gear is an N gear, the brake signal is not received, and the speed of the current vehicle is less than 10kph, controlling the locking of an N gear lock of the current vehicle;
and when the required gear is an N gear and the received brake signal or the current vehicle speed is more than 10kph, controlling the N gear to be unlocked.
6. The vehicle gear control method according to claim 1, characterized by further comprising:
when a step signal that the required gear is an R gear, an N gear or a D gear is received, starting the starting enable of a P gear;
when a step signal that the required gear is P gear is received, starting locking enabling of the P gear;
when receiving a charging signal, sending a locking enable signal and sending a reset signal to a P-gear button;
and when judging that the current vehicle is dormant, sending a locking enabling signal and sending a reset signal to the P-gear button.
7. An automotive gear control system, characterized in that said system comprises:
the original gear acquisition module is used for acquiring the original gear position of the current vehicle gear shifter so as to acquire an original gear;
the required gear determining module is used for acquiring the gear shifting position of the gear shifter and determining a required gear according to the original gear and the gear shifting position;
the state acquisition module is used for acquiring the power-on state and the running state of the current vehicle and acquiring the locking state of the P gear lock of the current vehicle;
and the control switching module is used for determining an actual gear according to the running state, the power-on state, the locking state and the required gear, and controlling and switching the running state according to the actual gear.
8. The vehicle gear control system of claim 7 wherein said required gear determination module is further configured to:
when the gear shifting time of the gear shifting position in the R gear is larger than a time threshold value, determining that the required gear is the R gear;
when the gear shifting time of the gear shifting position in the D gear is larger than a time threshold value, determining that the required gear is the D gear;
when the gear shifting time of the gear shifting position in the N gear is larger than a time threshold, determining that the required gear is the N gear;
and when the original gear is the P gear and the absolute value of the speed of the current vehicle is greater than 3kph, determining that the required gear is the N gear.
9. An in-vehicle terminal characterized by comprising a storage device for storing a computer program and a processor that runs the computer program to cause the in-vehicle terminal to execute the vehicle gear control method according to any one of claims 1 to 6.
10. A storage medium characterized by storing a computer program for use in the in-vehicle terminal according to claim 9, the computer program, when executed by a processor, implementing the steps of the vehicle gear control method according to any one of claims 1 to 6.
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