CN107351820A - A kind of automatic releasing control method of vehicle electronic parking - Google Patents
A kind of automatic releasing control method of vehicle electronic parking Download PDFInfo
- Publication number
- CN107351820A CN107351820A CN201710513424.1A CN201710513424A CN107351820A CN 107351820 A CN107351820 A CN 107351820A CN 201710513424 A CN201710513424 A CN 201710513424A CN 107351820 A CN107351820 A CN 107351820A
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- China
- Prior art keywords
- signal
- output torque
- epb
- drive shaft
- controllers
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
-
- 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
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T2270/00—Further aspects of brake control systems not otherwise provided for
- B60T2270/40—Failsafe aspects of brake control systems
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The invention discloses a kind of automatic releasing control method of vehicle electronic parking, belong to field of automobile control, comprise the following steps successively：Start automobile；EPB controllers obtain various desired signals；Drive shaft output torque increases, when EPB controllers judge that drive shaft output torque reaches calibration value：When main driving closing of the door and pilot harness, which have fastened, to be satisfied by, EPB controllers send the release of order request control device, and vehicle realizes driveaway operation；When main driving closing of the door and pilot harness have fastened wherein one or two while are unsatisfactory for, or other coherent signals or hardware in addition to drive shaft output torque is increased break down, EPB controllers will send reduction torque request to VCU controllers, and VCU controllers reduce the output torque of power drive unit.The present invention protects control device not destroyed because power set output torque is excessive；Fuel or energy are saved, extends vehicle course continuation mileage；Protect power set.
Description
Technical field
The invention belongs to field of automobile control, more particularly to automotive electronic parking system.
Background technology
Current a part of vehicle begins to use electronic parking system, abbreviation EPB (Electrical park brake).
It is to discharge automatically wherein to have One function, i.e., vehicle from static state be changed into dynamic when, generally discharge parking need
To release manually, but when performing automatic release function, without releasing manually, but be judged by EPB controllers, work as release conditions
(caliper is in clamped condition, gear switchs no pull-up in drive shift or reverse gear, EPB or pressed, main driving car door when meeting
Close, driver fastens one's safety belt), by driver's bend the throttle, when drive shaft output torque is more than calibration value, EPB
Controller sends order request release parking to executing agency, and vehicle realizes driveaway operation.
Following shortcoming is primarily present in such a control logic：
1) due to driver habit or the reason such as forget for the moment and do not fasten the safety belt, or main driving closing of the door but do not close
Tightly, now bend the throttle, as tread depths increase, drive shaft output torque can increase always, be more than when it increases to
During setting value, parking should be now discharged by EPB control orders parking actuator, but due to the peace in release parking condition
Full band project does not meet and (do not fastened the safety belt) or main driving vehicle gate ajar, and halting mechanism does not discharge always, works as accelerator pedal
Depth continues to increase, and drive shaft output torque will continue to increase, and is thus likely to cause control device damage.
2) energy or fuel are wasted；
Accelerator pedal depth continues to increase, and drive shaft output torque can increase always, when it increases to more than setting value,
Because main driving safety belt is not fastened, or driver side vehicle gate ajar, it is unsatisfactory for discharging parking condition, vehicle is in original place,
But power constantly exports, cause oil consumption increase or electrokinetic cell energy expenditure, reduce course continuation mileage.
3) power set are caused damage
Due to being continued to increase with accelerator pedal depth, (motor is only the motor in power drive unit
A part in force driving device) electric current can increase always, and parking actuator does not discharge, motor will be caused to produce stifled
Turn, motor coil or machine components are burnt out when serious.
The content of the invention
It is an object of the invention to：The problem of existing for prior art, propose that a kind of vehicle electronic parking is released automatically
Place control method, control device is protected not destroyed because drive shaft output torque is excessive；Fuel or energy are saved, extends car
Course continuation mileage；Protect power set.
The object of the invention is realized by following technical proposals：
A kind of automatic releasing control method of vehicle electronic parking, including following signal and hardware：Caliper status signal,
Gear signal, EPB switch state signals, main driving closing of the door signal, driver safety band signal, accelerator pedal signal, drive
Moving axis output torque signal, IGN signals, EPB controllers, control device, drive shaft output torque controller of actuating and power
Drive device, comprise the following steps successively：
The first step, driver slam brake pedal, start automobile；
Second step, caliper are in the caliper status signal of clamped condition, and gear is believed in the gear of advance or backward gear
Number, the EPB switch state signals of EPB switches in the raw, the main driving closing of the door signal of main driving closing of the door, drive
The driver safety band signal that the person's of sailing safety belt has been fastened, drive shaft output torque signal, and IGN are in the IGN of ON states
Signal；
3rd step, driver loosen the brake, bend the throttle, and what EPB controllers acquisition accelerator pedal was stepped on adds
Speed pedal signal, drive shaft output torque increases, when EPB controllers judge that drive shaft output torque reaches calibration value：Work as master
The driver safety band signal that the main driving closing of the door signal of driving closing of the door and pilot harness have fastened is satisfied by
When, EPB controllers send the release of order request control device, and vehicle realizes driveaway operation；When main driving closing of the door
The driver safety band signal that main driving closing of the door signal and pilot harness have fastened wherein one or two while not
When meeting, or during other coherent signals or hardware failures in addition to drive shaft output torque is increased, EPB controllers
Reduction torque request will be sent to drive shaft output torque controller of actuating, drive shaft output torque controller of actuating reduces power drive
The output torque of device.
Alternatively, drive shaft output torque controller of actuating is VCU controllers.Drive shaft output torque is by VCU herein
Controller controls, if drive shaft output torque is controlled by other controllers, is controlled by corresponding controllers.
The foregoing main scheme of the present invention and its each further selection scheme can be this with independent assortment to form multiple schemes
The scheme that invention can be used and is claimed；And the present invention, between (each non conflicting selection) selection and between other selections
Can also independent assortment.Those skilled in the art can understand have after the present invention program is understood according to prior art and common knowledge
Multiple combinations, it is the claimed technical scheme of the present invention, does not do exhaustion herein.
The course of work is：In the present invention, when the main driving closing of the door signal and driver safety of main driving closing of the door
The driver safety band signal that band has been fastened wherein one or two while when being unsatisfactory for, or other are except turning round drive shaft output
When coherent signal or hardware beyond square increasing break down, judge that drive shaft output torque reaches calibration value in EPB controllers
When, EPB controllers will (drive shaft output torque be controlled by VCU controllers herein, if drive shaft exports to VCU controllers
Moment of torsion is controlled by other controllers, then is controlled by corresponding controllers) reduction torque request is sent, VCU controllers reduce power
The output torque of drive device, realize that protection control device is not damaged by.
Beneficial effects of the present invention：
1st, when driver's peace that the main driving closing of the door signal of main driving closing of the door and pilot harness have fastened
Full band signal wherein one or two is unsatisfactory for simultaneously when, or other related letters in addition to drive shaft output torque is increased
Number or hardware break down when, continue increase accelerator pedal aperture, control device will not be damaged；
2nd, power set are protected；
3rd, oil consumption or energy resource consumption are reduced, so as to increase course continuation mileage.
Brief description of the drawings
Fig. 1 is the device FB(flow block) of the embodiment of the present invention；
Fig. 2 is the logic control flow block diagram of the embodiment of the present invention；
Wherein 1, caliper status signal；2nd, gear signal；3rd, EPB switch state signals；4th, main driving closing of the door is believed
Number；5th, driver safety band signal；6th, accelerator pedal signal；7th, drive shaft output torque signal；8th, IGN signals；9th, EPB is controlled
Device；10th, control device；11st, VCU controllers；12nd, power drive unit.
Embodiment
Following non-limiting examples are used to illustrate the present invention.
With reference to shown in figure 1,2, a kind of automatic releasing control method of vehicle electronic parking, including following signal and hardware：
1st, caliper status signal；2nd, gear signal；3rd, EPB switch state signals；4th, main driving closing of the door signal；5th, driver pacifies
Full band signal；6th, accelerator pedal signal；7th, drive shaft output torque signal；8th, IGN (igniting) signal；9th, EPB controllers；10、
Control device；11st, VCU controllers (entire car controller)；12nd, power drive unit, control method include following step successively
Suddenly：
The first step, driver slam brake pedal, start automobile；
Second step, EPB controllers 9, which obtain, (typically directly to be obtained from CAN, directly can also connect EPB by wire
Controller and signal source obtain) caliper is in the caliper status signal 1 of clamped condition, and gear is in advance or the shelves of backward gear
Position signal 2, the EPB switch state signals 3 of EPB switches in the raw, the main driving closing of the door of main driving closing of the door
Signal 4, the driver safety band signal 5 that pilot harness has fastened, the torque signals 7 of drive shaft output torque, and IGN
IGN in ON states believes No. 8；
3rd step, driver loosen the brake, bend the throttle, and what the acquisition accelerator pedal of EPB controllers 9 was stepped on adds
Speed pedal signal 6, the signal value that the drive shaft output torque signal 7 of power drive unit 12 is sent are increased, sentenced in EPB controllers 9
When the signal value that disconnected drive shaft output torque 7 is sent reaches calibration value：When the main driving closing of the door of main driving closing of the door is believed
Numbers 4 and the driver safety band signal 5 fastened of pilot harness when being satisfied by (and other safety conditions are full in second step
Foot), EPB controllers 9 send order request control device 10 and discharged, and vehicle realizes driveaway operation；When main driving car door closes
The driver safety band signal 5 that the main driving closing of the door signal 4 closed and pilot harness have fastened wherein one or two
Simultaneously when being unsatisfactory for (and other safety conditions are satisfied by second step), or other are in addition to drive shaft output torque is increased
Coherent signal or hardware break down when, EPB controllers 9 will to VCU controllers 11 (herein drive shaft output torque be by
VCU controllers control, if drive shaft output torque is controlled by other controllers, are controlled by corresponding controllers) send drop
Low torque ask, VCU controllers 11 reduce power drive unit 12 output torque, realization protect control device 10 not by
Damage.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (2)
1. a kind of automatic releasing control method of vehicle electronic parking, including following signal and hardware：Caliper status signal, shelves
Position signal, EPB switch state signals, main driving closing of the door signal, driver safety band signal, accelerator pedal signal, driving
Axle output torque signal, IGN signals, EPB controllers, control device, drive shaft output torque controller of actuating and power drive
Dynamic device, it is characterised in that comprise the following steps successively：
The first step, driver slam brake pedal, start automobile；
Second step, EPB controllers obtain the caliper status signal that caliper is in clamped condition, and gear is in advance or backward gear
Gear signal, EPB switches EPB switch state signals in the raw, the main driving car door of main driving closing of the door closes
Close signal, the driver safety band signal that pilot harness has fastened, drive shaft output torque signal, and IGN and be in ON
The IGN signals of state；
3rd step, driver loosen the brake, bend the throttle, and EPB controllers obtain the acceleration that accelerator pedal is stepped on and stepped on
Partitioned signal, drive shaft output torque increases, when EPB controllers judge that drive shaft output torque reaches calibration value：When main driving car
When the driver safety band signal that the main driving closing of the door signal and pilot harness that door is closed have been fastened is satisfied by, EPB
Controller sends the release of order request control device, and vehicle realizes driveaway operation；When the main driving of main driving closing of the door
The driver safety band signal that closing of the door signal and pilot harness have fastened wherein one or two while when being unsatisfactory for,
Or during other coherent signals or hardware failures in addition to drive shaft output torque is increased, EPB controllers will be to drive
Moving axis output torque controller of actuating sends reduction torque request, and drive shaft output torque controller of actuating reduces power drive unit
Output torque.
2. the automatic releasing control method of vehicle electronic parking as claimed in claim 1, it is characterised in that：Drive shaft output is turned round
Square control device is VCU controllers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513424.1A CN107351820B (en) | 2017-06-29 | 2017-06-29 | A kind of automatic releasing control method of vehicle electronic parking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710513424.1A CN107351820B (en) | 2017-06-29 | 2017-06-29 | A kind of automatic releasing control method of vehicle electronic parking |
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| Publication Number | Publication Date |
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| CN107351820A true CN107351820A (en) | 2017-11-17 |
| CN107351820B CN107351820B (en) | 2019-05-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710513424.1A Active CN107351820B (en) | 2017-06-29 | 2017-06-29 | A kind of automatic releasing control method of vehicle electronic parking |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357481A (en) * | 2018-02-02 | 2018-08-03 | 威马智慧出行科技（上海）有限公司 | Prevent electronic parking control method, the apparatus and system of caliper damage |
| CN108501925A (en) * | 2018-04-16 | 2018-09-07 | 江铃控股有限公司 | Electronic brake system voluntarily discharges the control method and system of parking |
| CN108909693A (en) * | 2018-04-02 | 2018-11-30 | 浙江吉利控股集团有限公司 | A kind of security protection system and its method that passenger is got on or off the bus |
| CN109398333A (en) * | 2018-10-22 | 2019-03-01 | 北京长城华冠汽车科技股份有限公司 | Starting releasing control method and starting release control system |
| CN110748642A (en) * | 2019-10-31 | 2020-02-04 | 威马智慧出行科技（上海）有限公司 | Automobile P-gear parking control method, electronic equipment and automobile |
| CN111775911A (en) * | 2020-07-28 | 2020-10-16 | 华晨鑫源重庆汽车有限公司 | Parking processing method based on EPB system |
| CN111959512A (en) * | 2020-08-25 | 2020-11-20 | 重庆长安新能源汽车科技有限公司 | New energy automobile in-situ parking control method, device and system and automobile |
| CN113039106A (en) * | 2018-10-11 | 2021-06-25 | 奔德士商用车系统有限责任公司 | System and method for controlling compounding in a brake actuator |
| CN113306407A (en) * | 2020-02-27 | 2021-08-27 | 北京新能源汽车股份有限公司 | Control method for torque output during parking and starting, motor controller and automobile |
| CN114074662A (en) * | 2020-08-13 | 2022-02-22 | 长城汽车股份有限公司 | Method and device for controlling driver off-position of vehicle |
| CN114291014A (en) * | 2022-01-05 | 2022-04-08 | 浙江吉利控股集团有限公司 | Parking release method, parking release device, vehicle and storage medium |
| CN114572006A (en) * | 2021-03-29 | 2022-06-03 | 长城汽车股份有限公司 | Control method and device of electronic parking system and vehicle |
| CN115031017A (en) * | 2021-11-19 | 2022-09-09 | 长城汽车股份有限公司 | Transfer case 4L mode switching control method and device and vehicle |
| CN115431978A (en) * | 2022-09-01 | 2022-12-06 | 广州汽车集团股份有限公司 | Vehicle control method, device, medium and equipment |
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| CN106515714A (en) * | 2016-12-08 | 2017-03-22 | 广州汽车集团股份有限公司 | Automatic hydraulic pressure maintenance control method, device and system combined with engine start-stop control system |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108357481B (en) * | 2018-02-02 | 2019-11-22 | 威马智慧出行科技（上海）有限公司 | Prevent electronic parking control method, the apparatus and system of caliper damage |
| CN108357481A (en) * | 2018-02-02 | 2018-08-03 | 威马智慧出行科技（上海）有限公司 | Prevent electronic parking control method, the apparatus and system of caliper damage |
| CN108909693A (en) * | 2018-04-02 | 2018-11-30 | 浙江吉利控股集团有限公司 | A kind of security protection system and its method that passenger is got on or off the bus |
| CN108501925A (en) * | 2018-04-16 | 2018-09-07 | 江铃控股有限公司 | Electronic brake system voluntarily discharges the control method and system of parking |
| CN113039106A (en) * | 2018-10-11 | 2021-06-25 | 奔德士商用车系统有限责任公司 | System and method for controlling compounding in a brake actuator |
| CN113039106B (en) * | 2018-10-11 | 2023-09-29 | 奔德士商用车系统有限责任公司 | System and method for controlling a compound in a brake actuator |
| CN109398333A (en) * | 2018-10-22 | 2019-03-01 | 北京长城华冠汽车科技股份有限公司 | Starting releasing control method and starting release control system |
| CN110748642A (en) * | 2019-10-31 | 2020-02-04 | 威马智慧出行科技（上海）有限公司 | Automobile P-gear parking control method, electronic equipment and automobile |
| CN113306407A (en) * | 2020-02-27 | 2021-08-27 | 北京新能源汽车股份有限公司 | Control method for torque output during parking and starting, motor controller and automobile |
| CN113306407B (en) * | 2020-02-27 | 2023-06-20 | 北京新能源汽车股份有限公司 | Control method for torque output during parking and starting, motor controller and automobile |
| CN111775911A (en) * | 2020-07-28 | 2020-10-16 | 华晨鑫源重庆汽车有限公司 | Parking processing method based on EPB system |
| CN114074662A (en) * | 2020-08-13 | 2022-02-22 | 长城汽车股份有限公司 | Method and device for controlling driver off-position of vehicle |
| CN111959512A (en) * | 2020-08-25 | 2020-11-20 | 重庆长安新能源汽车科技有限公司 | New energy automobile in-situ parking control method, device and system and automobile |
| CN111959512B (en) * | 2020-08-25 | 2023-03-31 | 重庆长安汽车股份有限公司 | New energy automobile in-situ parking control method, device and system and automobile |
| CN114572006A (en) * | 2021-03-29 | 2022-06-03 | 长城汽车股份有限公司 | Control method and device of electronic parking system and vehicle |
| CN115031017A (en) * | 2021-11-19 | 2022-09-09 | 长城汽车股份有限公司 | Transfer case 4L mode switching control method and device and vehicle |
| CN115031017B (en) * | 2021-11-19 | 2023-10-27 | 长城汽车股份有限公司 | Transfer case 4L mode switching control method and device and vehicle |
| CN114291014A (en) * | 2022-01-05 | 2022-04-08 | 浙江吉利控股集团有限公司 | Parking release method, parking release device, vehicle and storage medium |
| CN115431978A (en) * | 2022-09-01 | 2022-12-06 | 广州汽车集团股份有限公司 | Vehicle control method, device, medium and equipment |
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|---|---|
| CN107351820B (en) | 2019-05-07 |
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