CN106671776B - Vehicle Speed control system and method based on driver's operation - Google Patents
Vehicle Speed control system and method based on driver's operation Download PDFInfo
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- CN106671776B CN106671776B CN201611125582.1A CN201611125582A CN106671776B CN 106671776 B CN106671776 B CN 106671776B CN 201611125582 A CN201611125582 A CN 201611125582A CN 106671776 B CN106671776 B CN 106671776B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
- B60K31/18—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including a device to audibly, visibly, or otherwise signal the existence of unusual or unintended speed to the driver of the vehicle
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention discloses a kind of Vehicle Speed control systems and method based on driver's operation, including switch module, the engine management module being connect with switch module, the speed control model control module being connect with engine management module, the speed setup module being connect with speed control model control module, the speed control module being connect with speed setup module, and the overspeed alarm module being connect with speed control module, in the active mode, engine torque control is carried out according to the target vehicle speed of setting, by speed control near target vehicle speed, when actual vehicle speed is more than or equal to the speed threshold value of setting, issue alarm, when the enabled condition of KICK DOWN mode meets, system enters KICK DOWN mode, then allowing speed is more than the target vehicle speed of setting, and in KICK DOW When the enabled condition of N mode is unsatisfactory for, activation pattern is automatically returned to by KICK DOWN mode.The present invention realizes the flexible control to speed, can satisfy the different demands of driver.
Description
Technical field
The invention belongs to automotive engine control technologies, and in particular to a kind of Vehicle Speed based on driver's operation
Control system and method.
Background technique
All to speed control, more stringent requirements are proposed for the status of current complicated road conditions and the traffic accident that takes place frequently.It is existing right
The control overwhelming majority of speed is that the limitation of max. speed controls, i.e. the maximum travel speed of driver's setting automobile, passes through hair
Motivation moment of torsion control vehicle is in the process of moving no more than the max. speed of setting.
The limitation of max. speed controls, and can effectively prevent the generation of overspeed situation, has positive effect.But in present case
Under, driver neatly can carry out control to Vehicle Speed and have become desirability, only limit maximum speed
System control has been unable to meet demand.
Therefore, it is necessary to develop a kind of new Vehicle Speed control system and method based on driver's operation.
Summary of the invention
The object of the present invention is to provide a kind of Vehicle Speed control systems and method based on driver's operation, can be real
Now to the flexible control of speed, to meet the different demands of driver.
Vehicle Speed control system of the present invention based on driver's operation, comprising:
Switch module, including resistor network, and four switches of the resistor network are coupled to, this four switches are respectively
Main switch, speed control increase pass, activation/speed control subtracts switch, switch is cancelled in speed control, when the either switch that electrically conducts
When export different voltages value；
Engine management module, the voltage value that acquisition switch module is exported, is judged in switch module based on the voltage value
The operational status information respectively switched, and intention of overtaking other vehicles is judged whether there is according to gas pedal aperture, the engine management module
It is connect with switch module；
Speed control model control module, speed control model include OFF mode, standby mode, activation pattern and
KICKDOWN mode, according to the operational status information of switch and car status information in OFF mode, standby mode, activation pattern
And switch between KICK DOWN mode, which connect with engine management module；
Speed setup module is configured target vehicle speed and adjusts in the active mode, the speed setup module and vehicle
Fast control model control module connection；
Speed control module carries out engine torque control according to the target vehicle speed of setting, by speed in the active mode
Near target vehicle speed, when the enabled condition of KICK DOWN mode meets, system enters KICK DOWN mode, that is, sentences for control
It is disconnected go out driver overtake other vehicles intentions, then allowing speed is more than the target vehicle speed set, and in the enabled condition of KICK DOWN mode
When being unsatisfactory for, activation pattern is automatically returned to by KICK DOWN mode, which connect with speed setup module；
Overspeed alarm module when actual vehicle speed is more than or equal to the speed threshold value of setting, issues report in the active mode
Alert, which connect with speed control module.
The resistor network is connected in series by resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6；
Tie point connection between one end and resistance R1 and resistance R2 of the main switch；
The speed control is cancelled the tie point between one end and resistance R2 and resistance R3 of switch and is connected；
The connection of the tie point between one end of pass and resistance R3 and resistance R4 is increased in the speed control；
The activation/speed control subtracts the connection of the tie point between one end of switch and resistance R4 and resistance R5；
The other end of the main switch, speed control cancel the other end of switch, the other end of pass is increased in speed control, swash
The other end that the control of work/speed subtracts switch is grounded.
Vehicle Speed control method of the present invention based on driver's operation, is based on using of the present invention
Driver operation Vehicle Speed control system, method the following steps are included:
Step 1: main switch default is in off state, and system is in OFF mode after engine normally starts；
Step 2: system enters standby mode when engine management module detects that main switch is pressed；
Step 3: when engine management module detects that activation/speed control subtracts switch and is pressed, system judgement activation
Whether condition meets, if so, system enters activation pattern, if it is not, then system keeps standby mode；
Step 4: in the active mode, speed control module carries out engine torque control according to the target vehicle speed of setting,
By speed control near target vehicle speed, and when actual vehicle speed is more than or equal to the speed threshold value of setting, pass through overspeed alarming mould
Block issues alarm；When the enabled condition of KICK DOWN mode meets, system enters KICK DOWN mode, that is, judges to drive
Member overtakes other vehicles intentions, then allowing speed is more than the target vehicle speed set, and is unsatisfactory in the enabled condition of KICK DOWN mode
When, activation pattern is automatically returned to by KICK DOWN mode.
Further include: in the active mode, target vehicle speed is configured and is adjusted, the logic of setting and adjustment is as follows:
(1) initial activation or press speed control cancel switch after activate again when, target vehicle speed=MIN { MAX
(VASLMIN, actual vehicle speed), VASLMAX }, VASLMIN, VASLMAX be respectively under activation pattern vehicle allow minimum speed
With max. speed；
(2) in the active mode, when press speed control increase pass when, target vehicle speed increases VASLSPUP, but mesh every time
The setting value of mark speed cannot be greater than VASLMAX；
(3) in the active mode, when pressing activation/speed control and subtracting switch, target vehicle speed reduces every time
VASLSPDOWN, but the setting value of target vehicle speed cannot be less than VASLMIN；
Described VASLSPUP, VASLSPDOWN are constant.
In the step 3, the activation condition includes:
(1) dependent failure is switched without speed limit；
(2) cruise or adaptive cruise function are not opened；
(3) without electronic throttle security monitoring dependent failure；
(4) without speed fault；
When meeting conditions above simultaneously, system could enter activation pattern by standby module.
In the step 4, the speed control module carries out engine torque control, tool according to the target vehicle speed of setting
Body logic is as follows:
(1) when actual vehicle speed is less than target vehicle speed, according to gas pedal aperture decision engine torque；
(2) when actual vehicle speed be equal to target vehicle speed, according to maintain target vehicle speed virtual throttle pedal opening decision start
Machine torque, stability contorting speed meet the following conditions: target vehicle speed-a≤actual vehicle speed≤target vehicle speed+a, a is constant；
(3) when actual vehicle speed is greater than target vehicle speed, then system control generator torque output within a preset time will be practical
Speed is reduced to target vehicle speed, and stability contorting speed meets the following conditions: target vehicle speed-a≤actual vehicle speed≤target vehicle speed+
a。
In the step 4,
System is entered the enabled condition of KICK DOWN mode by activation pattern are as follows: gas pedal aperture is greater than WPEDKDIN；
System is automatically returned to the enabled condition of activation pattern by KICK DOWN mode are as follows: gas pedal aperture is less than
WPEDKDOUT, and actual vehicle speed be less than target vehicle speed when；
Described WPEDKDIN, WPEDKDOUT are constant.
In the step 4, when actual vehicle speed is more than or equal to the speed threshold value of setting, overspeed alarm module issues alarm,
Specific control logic is as follows:
(1) when actual vehicle speed >=speed threshold value, speed threshold value=target vehicle speed+DVASLWARN, and system is not in KICK
DOWN mode, overspeed alarm module issue alarm；
(2) as actual vehicle speed≤target vehicle speed-DVASLWARNINI or when touching on the brake, stop alarm；
Described DVASLWARN, DVASLWARNINI are constant.
The invention has the following advantages that the switching of four kinds of control models is realized by key, gas pedal and brake operation,
Engine management module (EMS) completes the control to speed according to different control model control engine torque output.Not
Under same mode, it can be realized common function, max. speed limitation function, the max. speed limit value of driving and adjust function in real time and face
When release max. speed and limit and the function restored automatically, realize the flexible control to speed.
Detailed description of the invention
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is engine management module and switch module catenation principle figure in the present invention；
Fig. 3 is flow chart of the invention；
In figure: 1, switch module, 2, engine management module, 3, speed control model control module, 4, speed setting mould
Block, 5, speed control module, 6, overspeed alarm module.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
Vehicle Speed control system based on driver's operation as shown in Figure 1, including switch module 1, engine
Management module 2, speed control model control module 3, speed setup module 4, speed control module 5 and overspeed alarm module 6.
As shown in Fig. 2, switch module 1 includes resistor network and is coupled to four of resistor network switches, described four
A switch is respectively main switch (ASL Main), pass (RES/+) is increased in speed control, activation/speed control subtracts switch
(SET/-), switch (Cancel) is cancelled in speed control.The resistor network is by resistance R1, resistance R2, resistance R3, resistance R4, electricity
Resistance R5, resistance R6 are connected in series；Tie point connection between one end and resistance R1 and resistance R2 of the main switch；The speed
Control is cancelled the tie point between one end and resistance R2 and resistance R3 of switch and is connected；Speed control increase one end of pass with
Tie point connection between resistance R3 and resistance R4；The activation/speed control subtracts one end and the resistance R4 and resistance R5 of switch
Between tie point connection；The other end of the main switch, speed control cancel the other end of switch, pass is increased in speed control
The other end that the other end, activation/speed control subtract switch is grounded.When electrically conduct either switch when export different voltages value.
Engine management module 2 is connect with switch module 1, and engine management module 2 is exported for acquiring switch module 1
Voltage value, and judge based on the voltage value operational status information respectively switched in switch module 1, and open according to gas pedal
Degree judges whether there is intention of overtaking other vehicles.Wherein: engine management module 2 is based on the voltage value (uaslh1) and judges in switch module 1
The specific logic of the operational status information respectively switched are as follows:
(1) main switch presses judgement, as UASLMAINLB≤uaslh1≤UASLMAINUB, and presses the time and is greater than
TASLPS seconds.
(2) speed control, which is cancelled switching, presses judgement, UASLCANLB≤uaslh1≤UASLCANUB, and it is big to press the time
In TASLPS seconds.
(3) speed control increases pass and presses judgement；UASLPLUSLB≤uaslh1≤UASLPLUSUB, and it is big to press the time
In TASLPS seconds.
(4) activation/speed control subtracts switch and presses judgement；UASLMINUSLB≤uaslh1≤UASLMINUSUB, and press
The lower time will be greater than TASLPS seconds.
(5) all switch OPEN judgements；UASLOPENLB≤uaslh1≤UASLOPENUB.
Speed control model control module 3 is connect with engine management module 2, speed control model include OFF mode, to
Machine mode, activation pattern and KICK DOWN mode, according to the operational status information of switch and car status information in OFF mould
Switch between formula, standby mode, activation pattern and KICK DOWN mode.Specifically: after successful engine startup, master is opened
It closes default to be in off state, system is in OFF mode at this time；When pressing main switch, into standby mode, main switch is operated, it can
Switch between OFF mode and standby mode；Under standby mode, presses activation/speed control and subtract switch, when activation control model
When condition meets, standby mode is stilled remain in into activation control model if condition is unsatisfactory for；In the active mode, such as
Fruit presses main switch, then enters OFF mode by activation control model, if pressing speed control cancels switch, is controlled by activation
Molding formula standby mode；When KICK DOWN, which enables condition, to be met, into KICK DOWN mode, when the conditions are not met, then
Activation pattern is automatically returned to by KICK DOWN mode, if pressing main switch, OFF mould is entered by KICK DOWN control model
Formula, if pressing speed control cancels switch, by KICK DOWN control model standby mode.
Speed setup module 4 is connect with speed control model control module 3；In the active mode, mould is arranged by speed
Block 4 is configured and adjusts to target vehicle speed.
Speed control module 5 is connect with speed setup module 4, and in the active mode, speed control module 5 is according to setting
Target vehicle speed carries out engine torque control, by speed control near target vehicle speed, when the enabled condition of KICK DOWN mode
When meeting, system enters KICK DOWN mode, that is, judges that driver overtakes other vehicles intention, then allowing speed is more than the mesh of setting
Speed is marked, and when the enabled condition of KICK DOWN mode is unsatisfactory for, activation pattern is automatically returned to by KICK DOWN mode.
Overspeed alarm module 6 is connect with speed control module 5, in the active mode, when actual vehicle speed is more than or equal to setting
Speed threshold value when, overspeed alarm module 6 issue alarm.
As shown in figure 3, the Vehicle Speed control method of the present invention based on driver's operation, using the present invention
The described Vehicle Speed control system based on driver's operation, method the following steps are included:
Step 1: main switch default is in off state, and system is in OFF mode after engine normally starts.
Step 2: system enters standby mode when engine management module 2 detects that main switch is pressed.
Step 3: system judgement swashs when engine management module 2 detects that activation/speed control subtracts switch and is pressed
Whether condition living meets, if so, system enters activation pattern, if it is not, then system keeps standby mode.
Step 4: in the active mode, speed control module 5 carries out engine torque control according to the target vehicle speed of setting
System passes through overspeed alarming by speed control near target vehicle speed, and when actual vehicle speed is more than or equal to the speed threshold value of setting
Module 6 issues alarm；When the enabled condition of KICK DOWN mode meets, system enters KICK DOWN mode, that is, judges
Driver overtakes other vehicles intention, then allowing speed is more than the target vehicle speed of setting, and discontented in the enabled condition of KICK DOWN mode
When sufficient, activation pattern is automatically returned to by KICK DOWN mode.
Further include: in the active mode, target vehicle speed is configured and is adjusted, the logic of setting and adjustment is as follows:
(1) initial activation or press speed control cancel switch after activate again when, target vehicle speed=MIN { MAX
(VASLMIN, actual vehicle speed), VASLMAX }, VASLMIN, VASLMAX be respectively under activation pattern vehicle allow minimum speed
With max. speed.
(2) in the active mode, when press speed control increase pass when, target vehicle speed increases VASLSPUP, but mesh every time
The setting value of mark speed cannot be greater than VASLMAX；The VASLSPUP is constant, is obtained by calibration.
(3) in the active mode, when pressing activation/speed control and subtracting switch, target vehicle speed reduces every time
VASLSPDOWN, but the setting value of target vehicle speed cannot be less than VASLMIN；The VASLSPDOWN is constant, by demarcating
Out.
In the step 3, the activation condition includes:
(1) dependent failure is switched without speed limit.
(2) cruise or adaptive cruise function are not opened.
(3) without electronic throttle security monitoring dependent failure.
(4) without speed fault.
When meeting all conditions above simultaneously, system could enter activation pattern by standby module.
In the step 4, the speed control module 5 carries out engine torque control according to the target vehicle speed of setting,
Specific logic is as follows:
(1) when actual vehicle speed is less than target vehicle speed, according to gas pedal aperture decision engine torque.
(2) when actual vehicle speed be equal to target vehicle speed, according to maintain target vehicle speed virtual throttle pedal opening decision start
Machine torque, stability contorting speed meet the following conditions: target vehicle speed-a≤actual vehicle speed≤target vehicle speed+a, a is constant, this reality
It applies in example, a=3km/h, the value of a can reasonably adjust according to the actual situation.
(3) when actual vehicle speed be greater than target vehicle speed, then system control generator torque output preset time (such as:
Actual vehicle speed is reduced to target vehicle speed in 30s), and stability contorting speed meets the following conditions: target vehicle speed-a≤practical vehicle
Speed≤target vehicle speed+a.
In the step 4, system is entered the enabled condition of KICK DOWN mode by activation pattern are as follows: gas pedal aperture
Greater than WPEDKDIN, KICK DOWN is indicated into set at this time；Wherein, WPEDKDIN is constant, is obtained by calibration.
In the step 4, system is automatically returned to the enabled condition of activation pattern by KICK DOWN mode are as follows: gas pedal
Aperture be less than WPEDKDOUT, and actual vehicle speed be less than target vehicle speed when, by KICK DOWN indicate reset；Wherein,
WPEDKDOUT is constant, is obtained by calibration.
In the step 4, when actual vehicle speed is more than or equal to the speed threshold value of setting, overspeed alarm module 6 issues report
Alert, specific control logic is as follows:
(1) when actual vehicle speed >=speed threshold value, speed threshold value=target vehicle speed+DVASLWARN, and system is not in KICK
DOWN mode (i.e. KICK DOWN mark is " 0 "), at this time by warning mark set, overspeed alarm module 6 issues alarm；Its
In, DVASLWARN is constant, is obtained by calibration.
(2) as actual vehicle speed≤target vehicle speed-DVASLWARNINI or when touching on the brake, at this time by warning mark reset,
6 stop alarm of overspeed alarm module；Wherein, DVASLWARNINI is constant, is obtained by calibration.
Claims (8)
1. a kind of Vehicle Speed control system based on driver's operation, it is characterised in that: include:
Switch module (1), including resistor network, and four switches of the resistor network are coupled to, this four switches are respectively
Main switch, speed control increase pass, activation/speed control subtracts switch, switch is cancelled in speed control, when the either switch that electrically conducts
When export different voltages value；
Engine management module (2), the voltage value that acquisition switch module (1) is exported judge switch module based on the voltage value
(1) operational status information respectively switched in, and intention of overtaking other vehicles is judged whether there is according to gas pedal aperture, the engine management
Module (2) is connect with switch module (1)；
Speed control model control module (3), speed control model include OFF mode, standby mode, activation pattern and KICK
DOWN mode, according to the operational status information of switch and car status information OFF mode, standby mode, activation pattern and
Switch between KICK DOWN mode, which connect with engine management module (2)；
Speed setup module (4) is configured target vehicle speed and adjusts in the active mode, the speed setup module (4) with
Speed control model control module (3) connection；
Speed control module (5) carries out engine torque control according to the target vehicle speed of setting, by speed in the active mode
Near target vehicle speed, when the enabled condition of KICK DOWN mode meets, system enters KICK DOWN mode, that is, sentences for control
It is disconnected go out driver overtake other vehicles intentions, then allowing speed is more than the target vehicle speed set, and in the enabled condition of KICK DOWN mode
When being unsatisfactory for, activation pattern is automatically returned to by KICK DOWN mode, the speed control module (5) and speed setup module (4) are even
It connects；
Overspeed alarm module (6) when actual vehicle speed is more than or equal to the speed threshold value of setting, issues alarm in the active mode,
The overspeed alarm module (6) is connect with speed control module (5).
2. the Vehicle Speed control system according to claim 1 based on driver's operation, it is characterised in that: described
Resistor network is connected in series by resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6；
Tie point connection between one end and resistance R1 and resistance R2 of the main switch；
The speed control is cancelled the tie point between one end and resistance R2 and resistance R3 of switch and is connected；
The connection of the tie point between one end of pass and resistance R3 and resistance R4 is increased in the speed control；
The activation/speed control subtracts the connection of the tie point between one end of switch and resistance R4 and resistance R5；
The other end of the main switch, speed control cancel the other end of switch, the other end of pass is increased in speed control, activation/
The other end that speed control subtracts switch is grounded.
3. a kind of Vehicle Speed control method based on driver's operation, it is characterised in that: using such as claims 1 or 2
The described Vehicle Speed control system based on driver's operation, method the following steps are included:
Step 1: main switch default is in off state, and system is in OFF mode after engine normally starts；
Step 2: system enters standby mode when engine management module (2) detects that main switch is pressed；
Step 3: when engine management module (2) detects that activation/speed control subtracts switch and is pressed, system judgement activation
Whether condition meets, if so, system enters activation pattern, if it is not, then system keeps standby mode；
Step 4: in the active mode, speed control module (5) carries out engine torque control according to the target vehicle speed of setting,
By speed control near target vehicle speed, and when actual vehicle speed is more than or equal to the speed threshold value of setting, pass through overspeed alarming mould
Block (6) issues alarm；When the enabled condition of KICK DOWN mode meets, system enters KICK DOWN mode, that is, judges
Driver overtakes other vehicles intention, then allowing speed is more than the target vehicle speed of setting, and discontented in the enabled condition of KICK DOWN mode
When sufficient, activation pattern is automatically returned to by KICK DOWN mode.
4. the Vehicle Speed control method according to claim 3 based on driver's operation, it is characterised in that: also wrap
It includes: in the active mode, target vehicle speed being configured and is adjusted, the logic of setting and adjustment is as follows:
(1) initial activation or press speed control cancel switch after activate again when, target vehicle speed=MIN { MAX
(VASLMIN, actual vehicle speed), VASLMAX }, VASLMIN, VASLMAX be respectively under activation pattern vehicle allow minimum speed
With max. speed；
(2) in the active mode, when press speed control increase pass when, target vehicle speed increases VASLSPUP, but target carriage every time
The setting value of speed cannot be greater than VASLMAX；
(3) in the active mode, when pressing activation/speed control and subtracting switch, target vehicle speed reduces VASLSPDOWN every time, but
The setting value of target vehicle speed cannot be less than VASLMIN；
Described VASLSPUP, VASLSPDOWN are constant.
5. the Vehicle Speed control method according to claim 3 or 4 based on driver's operation, it is characterised in that:
In the step 3, the activation condition includes:
(1) dependent failure is switched without speed limit；
(2) cruise or adaptive cruise function are not opened；
(3) without electronic throttle security monitoring dependent failure；
(4) without speed fault；
When meeting conditions above simultaneously, system could enter activation pattern by standby module.
6. the Vehicle Speed control method according to claim 3 or 4 based on driver's operation, it is characterised in that:
In the step 4, the speed control module (5) carries out engine torque control, specifically patrols according to the target vehicle speed of setting
It collects as follows:
(1) when actual vehicle speed is less than target vehicle speed, according to gas pedal aperture decision engine torque；
(2) when actual vehicle speed is equal to target vehicle speed, according to the virtual throttle pedal opening decision engine torsion for maintaining target vehicle speed
Square, stability contorting speed meet the following conditions: target vehicle speed-a≤actual vehicle speed≤target vehicle speed+a, a is constant；
(3) when actual vehicle speed is greater than target vehicle speed, then system controls generator torque output within a preset time by actual vehicle speed
It is reduced to target vehicle speed, and stability contorting speed meets the following conditions: target vehicle speed-a≤actual vehicle speed≤target vehicle speed+a.
7. the Vehicle Speed control method according to claim 3 or 4 based on driver's operation, it is characterised in that:
In the step 4,
System is entered the enabled condition of KICK DOWN mode by activation pattern are as follows: gas pedal aperture is greater than WPEDKDIN；
System is automatically returned to the enabled condition of activation pattern by KICK DOWN mode are as follows: gas pedal aperture is less than
WPEDKDOUT, and actual vehicle speed be less than target vehicle speed when；
Described WPEDKDIN, WPEDKDOUT are constant.
8. the Vehicle Speed control method according to claim 3 or 4 based on driver's operation, it is characterised in that:
In the step 4, when actual vehicle speed is more than or equal to the speed threshold value of setting, overspeed alarm module (6) issues alarm, specifically
Control logic is as follows:
(1) when actual vehicle speed >=speed threshold value, speed threshold value=target vehicle speed+DVASLWARN, and system is not in KICK
DOWN mode, overspeed alarm module (6) issue alarm；
(2) as actual vehicle speed≤target vehicle speed-DVASLWARNINI or when touching on the brake, stop alarm；
Described DVASLWARN, DVASLWARNINI are constant.
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| CN201611125582.1A CN106671776B (en) | 2016-12-09 | 2016-12-09 | Vehicle Speed control system and method based on driver's operation |
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| CN201611125582.1A CN106671776B (en) | 2016-12-09 | 2016-12-09 | Vehicle Speed control system and method based on driver's operation |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP6611083B2 (en) * | 2017-09-27 | 2019-11-27 | マツダ株式会社 | Vehicle control device |
| CN109703559B (en) * | 2017-10-25 | 2020-09-29 | 上海汽车集团股份有限公司 | Vehicle speed limit safety control method and device |
| CN111284332B (en) * | 2018-12-06 | 2022-12-09 | 湖南中车时代电动汽车股份有限公司 | Electric automobile speed management method and device and electronic equipment |
| CN111696313A (en) * | 2020-05-25 | 2020-09-22 | 一汽奔腾轿车有限公司 | Driver attention reminding system and design method |
| CN114379609B (en) * | 2021-12-23 | 2024-04-26 | 交控科技股份有限公司 | Activation circuit, method and railway vehicle |
| CN118004168B (en) * | 2024-04-09 | 2024-06-14 | 长城汽车股份有限公司 | Vehicle speed limiting method, vehicle and storage medium |
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