CN108275033B - The anti-control method for slipping by slope control device of pure electric automobile - Google Patents
The anti-control method for slipping by slope control device of pure electric automobile Download PDFInfo
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- CN108275033B CN108275033B CN201810065253.5A CN201810065253A CN108275033B CN 108275033 B CN108275033 B CN 108275033B CN 201810065253 A CN201810065253 A CN 201810065253A CN 108275033 B CN108275033 B CN 108275033B
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000005611 electricity Effects 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
- B60L15/2009—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking
- B60L15/2018—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed for braking for braking on a slope
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
Prevent slipping by slope control device and its control method, including entire car controller VCU, automotive motor controller MCU, electric motor of automobile, brake pedal, accelerator pedal, driving switch, parking brake switch, velocity sensor and anti-skid device the invention discloses a kind of pure electric automobile；The anti-skid device includes the fixed block on body of a motor car, 2 tracks on fixed block are set to along automobile direction of advance, across 2 tracks and the first connecting rod that is all connected with 2 tracks, power device, second connecting rod, third connecting rod, and the fixture block being connect respectively with the second connecting rod, third connecting rod.The present invention by VCU detect vehicle be in slip by slope state when, the control mode switch of electric motor of automobile to revolving speed is controlled, MCU constantly regulate the output pretightning force torque of electric machine controller according to the revolving speed size of motor, come not slipping by slope for short time of realizing vehicle on ramp, the enough manipulation time is provided for driver actions.
Description
Technical field
The present invention relates to Control of Electric Vehicles technical fields, and enough behaviour can be provided for driver more particularly, to one kind
Make the time, the pure electric automobile for eliminating automobile crash bring security risk is prevented slipping by slope control device and its control method.
Background technique
Vehicle is after the parking of ramp, again in starting-up process, puts down parking brake to stepping on the throttle in the time, vehicle, which can exist, to slip
Slope phenomenon.If slipping by slope phenomenon will result in automobile crash with when vehicle distances in slope are closer below, security risk is brought.
Especially fresh driver, the probability slipped by slope during uphill starting are bigger.
Summary of the invention
The present invention causes automobile crash not to overcome vehicle existing in the prior art to be easy to slip by slope in uphill starting
Foot, enough operating times can be provided for driver by providing one kind, eliminate the pure electricity of automobile crash bring security risk
Electrical automobile is anti-to slip by slope control device and its control method.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of pure electric automobile is anti-to slip by slope control device, including entire car controller VCU, automotive motor controller MCU, vapour
Vehicle motor, brake pedal, accelerator pedal, driving switch, parking brake switch, velocity sensor and anti-skid device；The anti-skid device
Including the fixed block being set on body of a motor car, 2 tracks on fixed block are set to along automobile direction of advance, simultaneously across 2 tracks
The first connecting rod being all connected with 2 tracks, power device, the second connecting rod, third connecting rod, and connect respectively with second
The fixture block that bar, third connecting rod connect；First connecting rod is connected with the second connecting rod and third connecting rod respectively by power device
It connects；The entire car controller VCU is opened with automotive motor controller MCU, brake pedal, accelerator pedal, driving switch, parking brake respectively
It closes, velocity sensor and anti-skid device electrical connection, MCU are electrically connected with electric motor of automobile.
The present invention by entire car controller VCU detect vehicle be in slip by slope state when, by MCU pairs of automotive motor controller
The control model of motor is converted to revolving speed control by direct torque, automotive motor controller MCU according to the revolving speed size of motor not
The disconnected output pretightning force torque for adjusting electric machine controller, Lai Shixian vehicle short time on ramp does not slip by slope, dynamic for driver
Provide the enough manipulation time.
Preferably, the power device includes first motor, the first cylinder, the second cylinder and the second motor；First gas
Cylinder is fixedly connected with one end of first connecting rod, and the telescopic rod of the first cylinder is connect with the second connecting rod, the second cylinder and first
The other end of connecting rod is fixedly connected, and the telescopic rod of the second cylinder is connect with third connecting rod, the second motor and first connecting rod
Connection, first motor and the second motor are electrically connected with entire car controller VCU.
Preferably, the first motor is located on first connecting rod, the second motor is located on fixed block.
Preferably, fixture block is trapezoidal, fixture block is equipped with vacuum generator, is equipped with decorative pattern on the outer surface of fixture block, blocks
Pressure sensor is equipped on the outer surface of block, the lower surface of fixture block is equipped with sucker；Each pressure sensor with vehicle control
Device VCU electrical connection processed, sucker are connect with vacuum generator.
A kind of anti-control method for slipping by slope control device of pure electric automobile, includes the following steps:
The maximum (top) speed V of electric motor of automobile when (5-1) setting vehicle is staticmaxDuration T is slipped by slope with longestmax；
(5-2) entire car controller VCU detects the state of brake pedal, accelerator pedal, driving switch and parking brake switch,
When driving switch is in drive shift state, brake pedal and accelerator pedal are not stepped on, and when parking brake is put down, and are turned
Enter step (5-3)；
When driving switch, which is in the numerical value that neutral position state and velocity sensor detect, is greater than 0, it is transferred to step (5-
4)；
(5-3) entire car controller VCU sends target control mode and object run revolving speed gives automotive motor controller MCU,
Automotive motor controller MCU constantly regulate pretightning force torque according to the revolving speed size of electric motor of automobile, realizes and prevents slipping by slope function；
(5-4) entire car controller VCU controls anti-skid device work, and automobile is made to halt or retreat.
Preferably, specific step is as follows for step (5-3):
(6-1) entire car controller VCU sends target control mode and object run revolving speed gives automotive motor controller MCU,
When automotive motor controller MCU receives the target control mode of entire car controller VCU transmission as revolving speed control, object run turns
When speed is 0, automotive motor controller MCU exports initial pretightning force torque, and starts timing, and timing duration is indicated with t；If
t≤Tmax, it is transferred to step (6-2)；If t > Tmax, it is transferred to step (6-6)；
(6-2) automotive motor controller MCU detects the revolving speed v of electric motor of automobile,
If the revolving speed v > 0 or v >=-V of electric motor of automobilemaxWhen, it is transferred to step (6-3)；
If the revolving speed v <-V of electric motor of automobilemax, it is transferred to step (6-4)；
(6-3) automotive motor controller MCU continues to output prefastening torque, and continues timing, as t > TmaxWhen, it is transferred to step
Suddenly (6-6)；
(6-4) automotive motor controller MCU exports torque in slope, and then automotive motor controller MCU detects electric motor of automobile
Revolving speed v,
If the revolving speed v > 0 of electric motor of automobile, automotive motor controller MCU are transferred to step (6- according to speed attenuation torque
5)；
If revolving speed v≤0 of electric motor of automobile, current torque output is kept, and continue timing, as t > TmaxWhen, it is transferred to
Step (6-6)；
(6-5) during torque is decayed, automotive motor controller MCU detects the revolving speed v of electric motor of automobile, if automobile
Revolving speed v≤V of motormaxAnd t > Tmax, it is transferred to step (6-6)；
If the revolving speed v > V of electric motor of automobilemax, it is transferred to step (6-3)；
(6-6) automotive motor controller MCU exits zero speed execution pattern, and automotive motor controller MCU detects automobile electricity
The revolving speed v of machine, if the revolving speed v < V of electric motor of automobilemax, target pattern is switched to torque mode, automobile by entire car controller VCU
Electric machine controller MCU instructs control vehicle operation according to entire car controller VCU.
Preferably, specific step is as follows for step (5-4):
(7-1) controller controls the first cylinder and the second cylinder operation by control first motor, the second connecting rod and
Third connecting rod moves to the ground, when the lower surface of fixture block when being contacted with ground, pressure sensor positioned at fixture block lower surface
It detects pressure value, and signal is passed into controller, controller controls the first cylinder stop motion；
(7-2) controller controls the work of the second motor, drives first connecting rod to slide on 2 tracks, when the side of fixture block
When face and automotive wheel contact, the pressure sensor positioned at fixture block side detects pressure value, and signal is passed to controller,
Controller controls the second motor and stops working；
(7-3) controller controls vacuum generator work, evacuates the air in sucker, and sucker and ground are attracted, and fixture block will
Automotive wheel clamping makes automobile halt or retreat.
Therefore, the invention has the following beneficial effects: the present invention constantly adjusts preload by automotive motor controller MCU
The size of power torque, not slipping by slope for short time that realizes vehicle on ramp, provides enough operating times for driver, together
When the present invention do not slip by slope when realizing vehicle neutral gear or failure by anti-skid device, realize it is dual it is anti-slip by slope function, eliminate
The security risk of automobile crash.
Detailed description of the invention
Fig. 1 is system block diagram of the invention；
Fig. 2 is a kind of structural schematic diagram of anti-skid device of the invention；
Fig. 3 is flow chart of the invention.
In figure: entire car controller VCU1, automotive motor controller MCU2, electric motor of automobile 3, brake pedal 4, accelerator pedal
5, driving switch 6, parking brake switch 7, velocity sensor 8, anti-skid device 9, vacuum generator 10, pressure sensor 11, fixed block
91, the second connecting rod 92, third connecting rod 93, fixture block 94, first motor 95, the first cylinder 96, the second cylinder 97 and the second electricity
Machine 98.
Specific embodiment
The present invention is described further with specific embodiment with reference to the accompanying drawing:
Embodiment as depicted in figs. 1 and 2, which is that a kind of pure electric automobile is anti-, slips by slope control device, including entire car controller
VCU1, automotive motor controller MCU2, electric motor of automobile 3, brake pedal 4, accelerator pedal 5, driving switch 6, parking brake switch 7, speed
Spend sensor 8 and anti-skid device 9；As shown in Fig. 2, the anti-skid device includes the fixed block 91 on body of a motor car, along vapour
Vehicle direction of advance is set to 2 tracks on fixed block, across 2 tracks and the first connecting rod that is all connected with 2 tracks, power
Device, the second connecting rod 92, third connecting rod 93, and the fixture block 94 being connect respectively with the second connecting rod, third connecting rod；The
One connecting rod is connect with the second connecting rod and third connecting rod respectively by power device；The entire car controller VCU respectively with
Automotive motor controller MCU, brake pedal, accelerator pedal, driving switch, parking brake switch, velocity sensor and anti-skid device electricity
Connection, MCU are electrically connected with electric motor of automobile.
Wherein, as depicted in figs. 1 and 2, power device includes first motor 95, the first cylinder 96, the second cylinder 97 and
Two motors 98；First cylinder is fixedly connected with one end of first connecting rod, and the telescopic rod of the first cylinder is connect with the second connecting rod,
Second cylinder is fixedly connected with the other end of first connecting rod, and the telescopic rod of the second cylinder is connect with third connecting rod, the second electricity
Machine is connect with first connecting rod, and first motor and the second motor are electrically connected with entire car controller VCU；First motor is located at first
In connecting rod, the second motor is located on fixed block；Fixture block is trapezoidal, and fixture block is equipped with vacuum generator 10, the outer surface of fixture block
On be equipped with decorative pattern, be equipped with pressure sensor 11 on the outer surface of fixture block, the lower surface of fixture block is equipped with sucker；Each pressure
Sensor is electrically connected with entire car controller VCU, and sucker is connect with vacuum generator.
As shown in figure 3, a kind of anti-control method for slipping by slope control device of pure electric automobile, includes the following steps:
Step 100, the maximum (top) speed V of electric motor of automobile when setting vehicle is staticmaxDuration T is slipped by slope with longestmax；
Step 200, entire car controller VCU detects the state of brake pedal, accelerator pedal, driving switch and parking brake switch,
When driving switch is in drive shift state, brake pedal and accelerator pedal are not stepped on, and when parking brake is put down, and are turned
Enter step 300；
When driving switch, which is in the numerical value that neutral position state and velocity sensor detect, is greater than 0, it is transferred to step 400；
Step 300, entire car controller VCU sends target control mode and object run revolving speed to automotive motor controller
MCU, automotive motor controller MCU constantly regulate pretightning force torque according to the revolving speed size of electric motor of automobile, realize and prevent slipping by slope function
Step 301, entire car controller VCU sends target control mode and object run revolving speed to automotive motor controller
MCU, when automotive motor controller MCU receives the target control mode of entire car controller VCU transmission as revolving speed control, target is transported
When row revolving speed is 0, automotive motor controller MCU exports initial pretightning force torque, and starts timing, and timing duration is indicated with t；
If t≤Tmax, it is transferred to step 302；If t > Tmax, it is transferred to step 306；
Step 302, automotive motor controller MCU detects the revolving speed v of electric motor of automobile,
If the revolving speed v > 0 or v >=-V of electric motor of automobilemaxWhen, it is transferred to step 303；
If the revolving speed v <-V of electric motor of automobilemax, it is transferred to step 304；
Step 303, automotive motor controller MCU continues to output prefastening torque, and continues timing, as t > TmaxWhen, turn
Enter step 306；
Step 304, automotive motor controller MCU exports torque in slope, and then automotive motor controller MCU detects automobile
The revolving speed v of motor,
If the revolving speed v > 0 of electric motor of automobile, automotive motor controller MCU is transferred to step 305 according to speed attenuation torque；
If revolving speed v≤0 of electric motor of automobile, current torque output is kept, and continue timing, as t > TmaxWhen, it is transferred to
Step 306；Wherein, torque in slope indicates vehicle required Motor torque under the maximum gradient in slope；
Step 305, during torque is decayed, automotive motor controller MCU detects the revolving speed v of electric motor of automobile, if
Revolving speed v≤V of electric motor of automobilemaxAnd t > Tmax, it is transferred to step 306；
If the revolving speed v > V of electric motor of automobilemax, it is transferred to step 303；
Step 306, automotive motor controller MCU exits zero speed execution pattern, and automotive motor controller MCU detects vapour
The revolving speed v of vehicle motor, if the revolving speed v < V of electric motor of automobilemax, target pattern is switched to torque mould by entire car controller VCU
Formula, automotive motor controller MCU instruct control vehicle to run according to entire car controller VCU.
Step 400, entire car controller VCU controls anti-skid device work, and automobile is made to halt or retreat
Step 401, controller controls the first cylinder and the second cylinder operation, the second connecting rod by control first motor
Moved to the ground with third connecting rod, when the lower surface of fixture block when being contacted with ground, pressure sensing positioned at fixture block lower surface
Device detects pressure value, and signal is passed to controller, and controller controls the first cylinder stop motion；
Step 402, controller controls the work of the second motor, drives first connecting rod to slide on 2 tracks, when fixture block
When side and automotive wheel contact, the pressure sensor positioned at fixture block side detects pressure value, and signal is passed to control
Device, controller control the second motor and stop working；
Step 403, controller control vacuum generator work evacuates the air in sucker, and sucker and ground are attracted, fixture block
By automotive wheel clamping, automobile is made to halt or retreat.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (6)
1. a kind of based on the anti-control method for slipping by slope control device of pure electric automobile, which is characterized in that including entire car controller VCU
(1), automotive motor controller MCU (2), electric motor of automobile (3), brake pedal (4), accelerator pedal (5), driving switch (6), parking brake
Switch (7), velocity sensor (8) and anti-skid device (9)；The anti-skid device includes the fixed block on body of a motor car
(91), 2 tracks on fixed block are set to along automobile direction of advance, connected across 2 tracks and with 2 tracks are all connected with first
Extension bar, power device, the second connecting rod (92), third connecting rod (93), and connect respectively with the second connecting rod, third connecting rod
Fixture block (94)；First connecting rod is connect with the second connecting rod and third connecting rod respectively by power device；The vehicle control
Device VCU processed respectively with automotive motor controller MCU, brake pedal, accelerator pedal, driving switch, parking brake switch, velocity sensor
It is electrically connected with anti-skid device, automotive motor controller MCU is electrically connected with electric motor of automobile；Include the following steps:
Step 1-1: the maximum (top) speed V of electric motor of automobile when setting vehicle is staticmaxDuration T is slipped by slope with longestmax；
The state of step 1-2: entire car controller VCU detection brake pedal, accelerator pedal, driving switch and parking brake switch,
When driving switch is in drive shift state, brake pedal and accelerator pedal are not stepped on, and when parking brake is put down, are transferred to step
Rapid 1-3；
When driving switch, which is in the numerical value that neutral position state and velocity sensor detect, is greater than 0, it is transferred to step 1-4；
Step 1-3: entire car controller VCU transmission target control mode and object run revolving speed give automotive motor controller MCU, vapour
Vehicle motor controller MCU constantly regulate pretightning force torque according to the revolving speed size of electric motor of automobile, realizes and prevents slipping by slope function；
Step 1-4: entire car controller VCU control anti-skid device work, makes automobile halt or retreat.
2. according to claim 1 based on the anti-control method for slipping by slope control device of pure electric automobile, which is characterized in that step
Specific step is as follows by rapid 1-3:
Step 2-1: entire car controller VCU transmission target control mode and object run revolving speed give automotive motor controller MCU, when
Automotive motor controller MCU receives the target control mode of entire car controller VCU transmission as revolving speed control, object run revolving speed
When being 0, automotive motor controller MCU exports initial pretightning force torque, and starts timing, and timing duration is indicated with t；If t
≤Tmax, it is transferred to step 2-2；If t > Tmax, it is transferred to step 2-6；
The revolving speed v of step 2-2: automotive motor controller MCU detection electric motor of automobile,
If the revolving speed v > 0 or v >=-V of electric motor of automobilemaxWhen, it is transferred to step 2-3；
If the revolving speed v <-V of electric motor of automobilemax, it is transferred to step 2-4；
Step 2-3: automotive motor controller MCU continues to output prefastening torque, and continues timing, as t > TmaxWhen, it is transferred to step
Rapid 2-6；
Step 2-4: automotive motor controller MCU output torque in slope, then automotive motor controller MCU detects electric motor of automobile
Revolving speed v,
If the revolving speed v > 0 of electric motor of automobile, automotive motor controller MCU are transferred to step 2-5 according to speed attenuation torque；
If revolving speed v≤0 of electric motor of automobile, current torque output is kept, and continue timing, as t > TmaxWhen, it is transferred to step
2-6；
Step 2-5: during torque decaying, automotive motor controller MCU detects the revolving speed v of electric motor of automobile, if automobile
Revolving speed v≤V of motormaxAnd t > Tmax, it is transferred to step 2-6；
If the revolving speed v > V of electric motor of automobilemax, it is transferred to step 2-3；
Step 2-6: automotive motor controller MCU exits zero speed execution pattern, and automotive motor controller MCU detects electric motor of automobile
Revolving speed v, if the revolving speed v < V of electric motor of automobilemax, target pattern is switched to torque mode by entire car controller VCU, automobile electricity
Machine controller MCU instructs control vehicle operation according to entire car controller VCU.
3. according to claim 1 based on the anti-control method for slipping by slope control device of pure electric automobile, which is characterized in that institute
Stating power device includes first motor (95), the first cylinder (96), the second cylinder (97) and the second motor (98)；First cylinder with
One end of first connecting rod is fixedly connected, and the telescopic rod of the first cylinder is connect with the second connecting rod, and the second cylinder is connect with first
The other end of bar is fixedly connected, and the telescopic rod of the second cylinder is connect with third connecting rod, and the second motor is connect with first connecting rod,
First motor and the second motor are electrically connected with entire car controller VCU.
4. according to claim 3 based on the anti-control method for slipping by slope control device of pure electric automobile, which is characterized in that institute
It states first motor to be located on first connecting rod, the second motor is located on fixed block.
5. according to claim 4 based on the anti-control method for slipping by slope control device of pure electric automobile, which is characterized in that card
Block is trapezoidal, and fixture block is equipped with vacuum generator (10), is equipped with decorative pattern on the outer surface of fixture block, is all provided on the outer surface of fixture block
Have pressure sensor (11), the lower surface of fixture block is equipped with sucker；Each pressure sensor is electrically connected with entire car controller VCU
It connects, sucker is connect with vacuum generator.
6. according to claim 5 based on the anti-control method for slipping by slope control device of pure electric automobile, which is characterized in that step
Specific step is as follows by rapid 1-4:
Step 6-1: entire car controller VCU controls the first cylinder and the second cylinder operation by control first motor, and second connects
Extension bar and third connecting rod move to the ground, when the lower surface of fixture block when being contacted with ground, pressure positioned at fixture block lower surface
Sensor detects pressure value, and signal is passed to entire car controller VCU, and entire car controller VCU, which controls the first cylinder, to be stopped
Movement；
Step 6-2: entire car controller VCU control the second motor work, drives first connecting rod to slide on 2 tracks, works as card
When the side of block and automotive wheel contact, the pressure sensor positioned at fixture block side detects pressure value, and signal is passed to
Entire car controller VCU, entire car controller VCU control the second motor and stop working；
Step 6-3: entire car controller VCU control vacuum generator work, evacuates the air in sucker, and sucker and ground are attracted,
Automotive wheel clamping is made automobile halt or retreat by fixture block.
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| CN201810065253.5A CN108275033B (en) | 2018-01-23 | 2018-01-23 | The anti-control method for slipping by slope control device of pure electric automobile |
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| CN201810065253.5A CN108275033B (en) | 2018-01-23 | 2018-01-23 | The anti-control method for slipping by slope control device of pure electric automobile |
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| CN108275033B true CN108275033B (en) | 2019-10-08 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588368B (en) * | 2019-09-17 | 2023-01-20 | 武汉理工通宇新源动力有限公司 | Motor controller slope-parking control method and system for new energy automobile |
| CN111186309B (en) * | 2020-01-02 | 2021-07-27 | 合创汽车科技有限公司 | Electric automobile slope-sliding prevention control system and method, computer equipment and storage medium |
| CN111231693B (en) * | 2020-01-10 | 2022-07-15 | 北京车和家信息技术有限公司 | Anti-slope-sliding control method and device |
| CN113479073A (en) * | 2021-08-02 | 2021-10-08 | 潍柴动力股份有限公司 | Slope-sliding-prevention control method and device, vehicle control unit and storage medium |
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| CN204506862U (en) * | 2015-01-31 | 2015-07-29 | 河南职业技术学院 | The automatic padding device of a kind of wheel |
| CN206766008U (en) * | 2017-04-14 | 2017-12-19 | 张晓春 | Aid in the device of emergency brake of vehicle |
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| JP2009303342A (en) * | 2008-06-11 | 2009-12-24 | Honda Motor Co Ltd | Electric vehicle, and method of controlling electric vehicle |
| CN104691362A (en) * | 2013-12-10 | 2015-06-10 | 北汽福田汽车股份有限公司 | Control method for automobile and automobile |
| CN204506862U (en) * | 2015-01-31 | 2015-07-29 | 河南职业技术学院 | The automatic padding device of a kind of wheel |
| CN206766008U (en) * | 2017-04-14 | 2017-12-19 | 张晓春 | Aid in the device of emergency brake of vehicle |
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