CN106427666B - System, method and device for preventing runaway of anti-sliding function of electric automobile - Google Patents
System, method and device for preventing runaway of anti-sliding function of electric automobile Download PDFInfo
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- CN106427666B CN106427666B CN201610967475.7A CN201610967475A CN106427666B CN 106427666 B CN106427666 B CN 106427666B CN 201610967475 A CN201610967475 A CN 201610967475A CN 106427666 B CN106427666 B CN 106427666B
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 50
- 238000004804 winding Methods 0.000 claims abstract description 31
- 230000005611 electricity Effects 0.000 claims description 51
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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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
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Control Of Ac Motors In General (AREA)
Abstract
The invention provides a system, a method and a device for preventing an electric automobile from losing control of an anti-sliding function, wherein the system comprises: the anti-lock braking system monitors the current speed of the automobile; the motor controller is connected with the anti-lock braking system and is connected to the motor through a three-phase current power transmission line; the three-phase winding is arranged on the motor side, and the control switch is arranged between the power transmission lines; the motor controller is used for acquiring a first vehicle speed monitored by the anti-lock braking system when the motor controller is in a zero-rotating-speed closed-loop control state, comparing the first vehicle speed with a preset vehicle speed threshold value, exiting the zero-rotating-speed closed-loop control state when the first vehicle speed is greater than the preset vehicle speed threshold value, and generating a control signal for controlling the control switch to short-circuit the three-phase winding. When the anti-sliding function is out of control, the control switch is controlled to be switched on, so that the three-phase winding on the motor side enters a short-circuit state, the motor stops outputting torque, and the safety of the electric automobile is improved.
Description
Technical field
The present invention relates to electric vehicle engineering field more particularly to it is a kind of prevent the anti-slip function of electric vehicle it is out of control be
System, method and device.
Background technology
Electric vehicle is a kind of by vehicle mounted dynamic battery power supply, the motor-driven environmentally protective vehicles, electric vehicle
One of core technology be exactly motor and electric machine controller technology, passenger car mostly uses permanent magnet synchronous motor as driving electricity at present
Its inversion is frequency-changing AC electricity, driving alternating current generator output by the DC power supply of input power battery by machine, electric machine controller
Torque.
Electric vehicle (is such as driven out to ground) in ramp driving from underground garage queuing, it may be necessary to frequent start-stop,
In the case of without using parking brake, vehicle car slipping, electric vehicle control motor output torque using electric machine controller, make in order to prevent
Vehicle enters zero rotating speed control mode, prevents car slipping.
Most anti-slip functions of electric vehicle use motor speed information, when anti-slip function starts electric machine controller into
Entering zero speed closed loop control state, output torque driving vehicle realization prevents vehicle anti-slide, but used when anti-slip function
When mistake occurs for motor speed signal, thus bring zero speed closed loop control of anti-slip function out of control, anti-slip function is not only
It can not achieve anti-slip, it is possible to vehicle can be caused either to accelerate backward forward and touched with forward and backward vehicle or pedestrian
It hits.
Invention content
The embodiment of the present invention provides a kind of system for preventing the anti-slip function of electric vehicle out of control, method and device, with solution
When certainly mistake occurs for the motor speed signal of electric vehicle in the prior art, leads to anti-slip disabler, cause vehicle movement
The problem of colliding with other vehicles or pedestrians.
The embodiment of the present invention provides a kind of system for preventing the anti-slip function of electric vehicle out of control, including：
Monitor the anti-blocking brake system of automobile current vehicle speed；
The electric machine controller being connect with the anti-blocking brake system, the transmission of electricity that the electric machine controller passes through three-phase current
Connection is to motor；
The three-phase windings of the motor side are set to, and the control switch being set between the transmission line of electricity；
Wherein, the electric machine controller is used for when in zero speed closed loop control state, obtains the braking anti-lock
First speed is compared by the first speed that system monitoring arrives with preset vehicle speed threshold value, is more than in first speed
When preset vehicle speed threshold value, the zero speed closed loop control state is exited, and is generated for controlling the control switch by described three
The control signal of phase winding short circuit.
Wherein, the anti-blocking brake system is connect with the electric machine controller by controller local area network.
Wherein, the electric machine controller includes signal receiving element, the processing element being connect with the signal receiving element,
And the signal sending element being connect with the processing element.
Wherein, the transmission line of electricity includes first line, the second circuit and the tertiary circuit for being mutually parallel and being arranged in order,
The control switch includes the first control switch being set between the first line and second circuit and is set to institute
State the second control switch between the second circuit and the tertiary circuit.
Wherein, the control switch is contactor.
The embodiment of the present invention also provides a kind of method for preventing the anti-slip function of electric vehicle out of control, is applied to motor and controls
Device, the method includes：
When electric machine controller is in zero speed closed loop control state, the first speed of automobile current driving is obtained；
First speed is compared with preset vehicle speed threshold value, when first speed is more than the preset vehicle speed threshold
When value, exits zero speed closed loop control state and generate control signal；
The control signal is sent to the control switch being set between the transmission line of electricity of three-phase current so that the control
Switch will be set to the three-phase windings short circuit of motor side, wherein transmission line of electricity and institute of the electric machine controller by three-phase current
State motor connection.
Wherein, the step of first speed for obtaining automobile current driving includes：
The anti-blocking brake system connecting with the electric machine controller is received to pass through described in controller local area network's transmission
First speed.
Wherein, the transmission line of electricity includes：First line, the second circuit and the third line for being mutually parallel and being arranged in order
Road, the control switch include the first control switch being set between the first line and second circuit and are set to
The second control switch between second circuit and the tertiary circuit；
It is described to send the control signal to the control being set between the transmission line of electricity of three-phase current switch so that described
Control is switched the step for the three-phase windings short circuit for being set to motor side：
The control signal is sent respectively to the first control switch, the second control switch；
By control signal control the first control switch, the second control switch in closed state, make
The first line and second line short circuit, the second circuit and tertiary circuit short circuit are obtained, the motor is controlled
The three-phase windings short circuit of side.
The embodiment of the present invention also provides a kind of device for preventing the anti-slip function of electric vehicle out of control, is applied to motor and controls
Device, described device include：
Acquisition module, for when electric machine controller is in zero speed closed loop control state, obtaining automobile current driving
First speed；
Processing module, for first speed to be compared with preset vehicle speed threshold value, when first speed is more than
When the preset vehicle speed threshold value, exits zero speed closed loop control state and generate control signal；
Sending module, for sending the control letter to the control switch being set between the transmission line of electricity of three-phase current
Number so that the control switch will be set to the three-phase windings short circuit of motor side, wherein the electric machine controller passes through three-phase electricity
The transmission line of electricity of stream is connect with the motor.
Wherein, the acquisition module is further used for：
The anti-blocking brake system connecting with the electric machine controller is received to pass through described in controller local area network's transmission
First speed.
Wherein, the transmission line of electricity includes：First line, the second circuit and the third line for being mutually parallel and being arranged in order
Road, the control switch include the first control switch being set between the first line and second circuit and are set to
The second control switch between second circuit and the tertiary circuit；
The sending module includes：
Sending submodule, for sending the control letter respectively to the first control switch, the second control switch
Number；
Control submodule, for controlling the first control switch, the second control switch by the control signal
In closed state so that the first line and second line short circuit, second circuit and the tertiary circuit are short
It connects, controls the three-phase windings short circuit of the motor side.
The advantageous effect of technical solution of the embodiment of the present invention includes at least：
Technical solution of the present invention obtains current speed when electric machine controller is in zero speed closed loop control state, will
Current vehicle speed is compared with preset vehicle speed threshold value, when current vehicle speed is more than preset vehicle speed threshold value, exits zero speed closed loop control
State processed, the control switch for generating control signal and being sent between the transmission line of electricity for being set to three-phase current, is opened by control
The closure of pass is so that the transmission line of electricity formation short circuit being connected between electric machine controller and motor, controls the three-phase windings of motor side
Short circuit, motor stop output torque, improve the safety of electric vehicle.
Description of the drawings
Fig. 1 is the system schematic for preventing the anti-slip function of electric vehicle out of control of the embodiment of the present invention one；
Fig. 2 is that the electric machine controller for preventing the anti-slip function of electric vehicle system out of control of the embodiment of the present invention one is illustrated
Figure；
Fig. 3 is the method schematic diagram for preventing the anti-slip function of electric vehicle out of control of the embodiment of the present invention two；
Fig. 4 is the schematic device for preventing the anti-slip function of electric vehicle out of control of the embodiment of the present invention three；
Fig. 5 is that the sending module for preventing the anti-slip function of electric vehicle device out of control of the embodiment of the present invention three is illustrated
Figure.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Embodiment one
As shown in Figure 1, the system for preventing the anti-slip function of electric vehicle out of control that the embodiment of the present invention one provides, including：
Monitor the anti-blocking brake system 101 of automobile current vehicle speed；The motor control being connect with anti-blocking brake system 101
Device 102, electric machine controller 102 are connected to motor 103 by the transmission line of electricity of three-phase current；It is set to the three-phase of 103 side of motor
Winding 104, and the control switch 105 that is set between transmission line of electricity；
Wherein, electric machine controller 102 is used for when in zero speed closed loop control state, obtains anti-blocking brake system
First speed is compared by 101 the first speeds monitored with preset vehicle speed threshold value, is more than preset vehicle speed threshold in the first speed
When value, zero speed closed loop control state is exited, and generates the control for controlling control switch 105 by 104 short circuit of three-phase windings
Signal.
Specifically, monitoring the speed of running car by anti-blocking brake system 101, zero is in electric machine controller 102
When speed closed loop control state, electric machine controller 102 is by the first speed of the current running car of acquisition and preset vehicle speed threshold value
It is compared, when the first speed is more than preset vehicle speed threshold value, determines that the anti-slip function of electric vehicle is out of control at this time, at this time motor
Controller 102 needs to exit zero speed closed loop control state, and generates control signal.
The control signal of generation is sent to the control switch 105 between the transmission line of electricity for being connected to three-phase current, wherein
It is connected by the transmission line of electricity of three-phase current between electric machine controller 102 and motor 103, control is received in control switch 105
After signal, control switch 105 is in closed state, and transmission line of electricity is made to be in short circuit state, at this time the three of 103 side of motor
104 short circuit of phase winding, into active short-circuit mode, motor 103 stops output torque, and automobile is avoided to accelerate fortune forward or backward
It is dynamic, with forward and backward vehicle or pedestrian collision.Driver needs to prevent automobile car slipping by using brake pedal at this time.
It should be noted that the automobile being previously mentioned in the embodiment of the present invention is electric vehicle.
In embodiments of the present invention, anti-blocking brake system 101 is connected with electric machine controller 102 by controller local area network
It connects.Anti-blocking brake system 101 sends the speed monitored to electric machine controller 102 by CAN bus to be believed
Number, electric machine controller 102 obtains the travel speed of current automobile according to the speed signal received.
In embodiments of the present invention, as depicted in figs. 1 and 2, electric machine controller 102 includes signal receiving element 1021, with
The processing element 1022 that signal receiving element 1021 connects, and the signal sending element 1023 that is connect with processing element 1022.
Electric machine controller 102 is connect by signal receiving element 1021 with anti-blocking brake system 101, electric machine controller
102 are connect by signal sending element 1023 with control switch 105, wherein signal receiving element 1021 and 1022 electricity of processing element
Connection, processing element 1022 are electrically connected with signal sending element 1023.
When electric machine controller 102 is in zero speed closed loop control state, signal receiving element 1021 receives anti-braking
The speed signal that dead system 101 is sent by controller local area network, the first of current running car is obtained according to speed signal
First speed of acquisition is sent to processing element 1022 by speed, and processing element 1022 is receiving the of current running car
After one speed, the first speed is compared with preset vehicle speed threshold value, when the first speed is more than preset vehicle speed threshold value, processing
Element 1022 generates control signal, by control signal transmission to signal sending element 1023.Electric machine controller 102 is sent out by signal
Element 1023 is sent to send control signals to control switch 105.
Control switch 105 receive control signal after, be in closed state so that be connected to electric machine controller 102 and
Transmission line of electricity between motor 103 is in short circuit state, at this time 104 short circuit of three-phase windings of 103 side of motor, into actively short circuit
Pattern, motor 103 stop output torque, either can backward be accelerated and forward and backward vehicle or pedestrian forward to avoid automobile
It collides.Driver needs to prevent automobile car slipping by using brake pedal at this time.
In embodiments of the present invention, as shown in Figure 1, transmission line of electricity include be mutually parallel and be arranged in order first line,
Second circuit and tertiary circuit, control switch 105 include the first control switch being set between first line and the second circuit
1051 and the second control switch 1052 for being set between the second circuit and tertiary circuit, wherein control switch 105 is contactor.
Specifically, the transmission line of electricity for the three-phase current being connected between electric machine controller 102 and motor 103 includes mutually flat
Row and the first line, the second circuit and the tertiary circuit that are arranged in order, first line, the second circuit, tertiary circuit respectively with electricity
Machine controller 102 and motor 103 connect.The first control switch is provided between adjacent first line and the second circuit
1051, the second control switch 1052 is provided between the second adjacent circuit and tertiary circuit.Switch 1051 is controlled first
In the closure state, first line and the second line short circuit control switch 1052 in the closure state, the second line second
Road and tertiary circuit short circuit.In first line and the second line short circuit and the second circuit and tertiary circuit short circuit, 103 side of motor
104 short circuit of three-phase windings, into active short-circuit mode, motor 103 stops output torque, can to avoid automobile forward or to
After accelerate, with forward and backward vehicle or pedestrian collision.
The embodiment of the present invention one obtains current speed when electric machine controller is in zero speed closed loop control state, will
Current vehicle speed is compared with preset vehicle speed threshold value, when current vehicle speed is more than preset vehicle speed threshold value, exits zero speed closed loop control
State processed, the control switch for generating control signal and being sent between the transmission line of electricity for being set to three-phase current, is opened by control
The closure of pass is so that the transmission line of electricity formation short circuit being connected between electric machine controller and motor, controls the three-phase windings of motor side
Short circuit, motor stop output torque, improve the safety of electric vehicle.
Embodiment two
As shown in figure 3, second embodiment of the present invention provides a kind of method for preventing the anti-slip function of electric vehicle out of control, application
In electric machine controller, including：
Step 301, when electric machine controller is in zero speed closed loop control state, obtain automobile current driving the first vehicle
Speed.
When anti-slip function starts, electric machine controller enters zero speed closed loop control state, and control motor output torque drives
Electrical automobile prevents automobile from slipping by slope.When electric machine controller is in zero speed closed loop control state, need to pass through anti-braking
Dead system obtains the first current speed of automobile.
The process that electric machine controller obtains the first current speed of automobile is：It is anti-to receive the braking being connect with electric machine controller
The first speed that locking system is sent by controller local area network.Anti-blocking brake system passes through controller with electric machine controller
Local area network connects, and when anti-blocking brake system monitors the first speed of automobile current driving, passes through controller LAN
First speed is sent to electric machine controller by network.
First speed is compared by step 302 with preset vehicle speed threshold value, when the first speed is more than preset vehicle speed threshold value
When, it exits zero speed closed loop control state and generates control signal.
Electric machine controller is carried out with pre-stored with preset vehicle speed threshold value after obtaining the first speed, by the first speed
Compare, judges whether the first speed is more than preset vehicle speed threshold value.When electric machine controller is in zero speed closed loop control state, and
When one speed is more than preset vehicle speed threshold value, electric machine controller exits zero speed closed loop control state, and generates control signal.
Step 303 sends control signal to the control switch being set between the transmission line of electricity of three-phase current so that control
Switch will be set to the three-phase windings short circuit of motor side, and wherein electric machine controller is connected by the transmission line of electricity of three-phase current with motor
It connects.
Electric machine controller sends control signals to control switch after generating control signal, wherein control switch is set
It is placed between the transmission line of electricity of three-phase current, the transmission line of electricity of three-phase current is connected between electric machine controller and motor.Motor
Controller will control signal by the Transmission Lines of three-phase current to controlling switch.Control switch is receiving control signal
It is in closed state later, and transmission line of electricity is made to be in short circuit state, at this time the three-phase windings short circuit of motor side, into actively
Short-circuit mode, motor stop output torque, and automobile is avoided either to accelerate backward forward and forward and backward vehicle or pedestrian's hair
Raw collision.Driver needs to prevent automobile car slipping by using brake pedal at this time.
Wherein, transmission line of electricity includes：First line, the second circuit and the tertiary circuit for being mutually parallel and being arranged in order, control
System switch includes the first control switch being set between first line and the second circuit and is set to the second circuit and third line
The second control switch between road；
Control signal is sent to the control switch being set between the transmission line of electricity of three-phase current so that control switch will be set
When being placed in the three-phase windings short circuit of motor side, specially：
Control signal is sent respectively to the first control switch, the second control switch；
By control signal control first control switch, second control switch be in closed state so that first line and
Second line short circuit, the second circuit and tertiary circuit short circuit control the three-phase windings short circuit of motor side.
Specifically, electric machine controller send control signal when, to the be set between first line and the second circuit
One control switch, the second control switch being set between the second circuit and tertiary circuit send control signal, the first control respectively
System switch is after receiving control signal, and the first control switch is in closed state so that first line and the second circuit are short
It connects, the second control switch is after receiving control signal, and the second control switch is in closed state so that the second circuit and the
Three line short circuits.In first line and the second line short circuit and the second circuit and tertiary circuit short circuit, the three-phase of motor side around
Group short circuit, into active short-circuit mode, motor stops output torque, can forward or backward be accelerated to avoid automobile, with
Forward and backward vehicle or pedestrian collision.Driver needs to prevent automobile car slipping by using brake pedal at this time.
The embodiment of the present invention two obtains current speed when electric machine controller is in zero speed closed loop control state, will
Current vehicle speed is compared with preset vehicle speed threshold value, when current vehicle speed is more than preset vehicle speed threshold value, exits zero speed closed loop control
State processed, the control switch for generating control signal and being sent between the transmission line of electricity for being set to three-phase current, is opened by control
The closure of pass is so that the transmission line of electricity formation short circuit being connected between electric machine controller and motor, controls the three-phase windings of motor side
Short circuit, motor stop output torque, improve the safety of electric vehicle.
Embodiment three
It is a kind of implementation preventing the anti-slip function of electric vehicle device out of control that the embodiment of the present invention three provides below
, the detail content of not detailed description, can refer to above method embodiment in the present embodiment.
The device for preventing the anti-slip function of electric vehicle out of control that the embodiment of the present invention three provides is applied to motor and controls
Device, as shown in figure 4, including：
Acquisition module 10, for when electric machine controller is in zero speed closed loop control state, obtaining automobile current driving
The first speed；
Processing module 20, for the first speed to be compared with preset vehicle speed threshold value, when the first speed is more than default vehicle
When fast threshold value, exits zero speed closed loop control state and generate control signal；
Sending module 30, for sending control signal to the control switch being set between the transmission line of electricity of three-phase current,
So that control switch will be set to the three-phase windings short circuit of motor side, the transmission line of electricity that wherein electric machine controller passes through three-phase current
It is connect with motor.
Wherein, acquisition module 10 is further used for：
Receive the first speed that the anti-blocking brake system being connect with electric machine controller is sent by controller local area network.
Wherein, transmission line of electricity includes：First line, the second circuit and the tertiary circuit for being mutually parallel and being arranged in order, control
System switch includes the first control switch being set between first line and the second circuit and is set to the second circuit and third line
The second control switch between road；
As shown in figure 5, sending module 30 includes：
Sending submodule 31, for sending control signal respectively to the first control switch, the second control switch；
Control submodule 32, for signal control first to control switch, the second control switch is in closed form by controlling
State so that first line and the second line short circuit, the second circuit and tertiary circuit short circuit, the three-phase windings for controlling motor side are short
Road.
The embodiment of the present invention three obtains current speed when electric machine controller is in zero speed closed loop control state, will
Current vehicle speed is compared with preset vehicle speed threshold value, when current vehicle speed is more than preset vehicle speed threshold value, exits zero speed closed loop control
State processed, the control switch for generating control signal and being sent between the transmission line of electricity for being set to three-phase current, is opened by control
The closure of pass is so that the transmission line of electricity formation short circuit being connected between electric machine controller and motor, controls the three-phase windings of motor side
Short circuit, motor stop output torque, improve the safety of electric vehicle.
It should be noted that the device provided in an embodiment of the present invention for preventing the anti-slip function of electric vehicle out of control is application
All embodiments of the device for the method that above-described embodiment two is provided, the then method that above-described embodiment two is provided are suitable for
The device, and can reach same or analogous advantageous effect.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (11)
1. a kind of system for preventing the anti-slip function of electric vehicle out of control, which is characterized in that including：
Monitor the anti-blocking brake system of automobile current vehicle speed；
The electric machine controller being connect with the anti-blocking brake system, the transmission line of electricity that the electric machine controller passes through three-phase current
It is connected to motor；
The three-phase windings of the motor side are set to, and the control switch being set between the transmission line of electricity；
Wherein, the electric machine controller is used for when in zero speed closed loop control state, obtains the anti-blocking brake system
First speed is compared by the first speed monitored with preset vehicle speed threshold value, is more than in first speed default
When speed threshold value, exit the zero speed closed loop control state, and generate for control the control switch by the three-phase around
The control signal of group short circuit.
2. system according to claim 1, which is characterized in that the anti-blocking brake system is logical with the electric machine controller
Cross controller local area network's connection.
3. system according to claim 1, which is characterized in that the electric machine controller includes signal receiving element, with institute
The processing element of signal receiving element connection is stated, and the signal sending element being connect with the processing element.
4. system according to claim 1, which is characterized in that the transmission line of electricity includes being mutually parallel and being arranged in order
First line, the second circuit and tertiary circuit, the control switch includes being set to the first line and second circuit
Between first control switch and be set between second circuit and the tertiary circuit second control switch.
5. system according to claim 1, which is characterized in that the control switch is contactor.
6. a kind of method for preventing the anti-slip function of electric vehicle out of control is applied to electric machine controller, which is characterized in that the side
Method includes：
When electric machine controller is in zero speed closed loop control state, the first speed of automobile current driving is obtained；
First speed is compared with preset vehicle speed threshold value, when first speed is more than the preset vehicle speed threshold value
When, it exits zero speed closed loop control state and generates control signal；
The control signal is sent to the control switch being set between the transmission line of electricity of three-phase current so that the control switch
It will be set to the three-phase windings short circuit of motor side, wherein transmission line of electricity and the electricity of the electric machine controller by three-phase current
Machine connects.
7. according to the method described in claim 6, it is characterized in that, it is described obtain automobile current driving the first speed the step of
Including：
Receive the anti-blocking brake system being connect with the electric machine controller is sent by controller local area network described first
Speed.
8. according to the method described in claim 6, it is characterized in that, the transmission line of electricity includes：It is mutually parallel and is arranged in order
First line, the second circuit and tertiary circuit, control switch includes being set to the first line and second line
The second control switch that the first control between road is switched and is set between second circuit and the tertiary circuit；
It is described to send the control signal to the control being set between the transmission line of electricity of three-phase current switch so that the control
It switchs the step for the three-phase windings short circuit for being set to motor side and includes：
The control signal is sent respectively to the first control switch, the second control switch；
The first control switch is controlled by the control signal, the second control switch is in closed state so that institute
First line and second line short circuit, the second circuit and tertiary circuit short circuit are stated, the motor side is controlled
Three-phase windings short circuit.
9. a kind of device for preventing the anti-slip function of electric vehicle out of control is applied to electric machine controller, which is characterized in that the dress
Set including：
Acquisition module, for when electric machine controller is in zero speed closed loop control state, obtaining the first of automobile current driving
Speed；
Processing module, for first speed to be compared with preset vehicle speed threshold value, when first speed is more than described
When preset vehicle speed threshold value, exits zero speed closed loop control state and generate control signal；
Sending module makes for sending the control signal to the control switch being set between the transmission line of electricity of three-phase current
The three-phase windings short circuit of motor side will be set to by obtaining the control switch, wherein the electric machine controller passes through the defeated of three-phase current
Electric line is connect with the motor.
10. device according to claim 9, which is characterized in that the acquisition module is further used for：
Receive the anti-blocking brake system being connect with the electric machine controller is sent by controller local area network described first
Speed.
11. device according to claim 9, which is characterized in that the transmission line of electricity includes：It is mutually parallel and is arranged in order
First line, the second circuit and tertiary circuit, control switch includes being set to the first line and second line
The second control switch that the first control between road is switched and is set between second circuit and the tertiary circuit；
The sending module includes：
Sending submodule, for sending the control signal respectively to the first control switch, the second control switch；
Control submodule, for passing through the control signal control the first control switch, the second control switch is in
Closed state so that the first line and second line short circuit, the second circuit and tertiary circuit short circuit, control
Make the three-phase windings short circuit of the motor side.
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| US10227021B2 (en) * | 2017-03-15 | 2019-03-12 | GM Global Technology Operations LLC | Initialization of closed loop control for vehicle stopping |
| CN107176061A (en) * | 2017-05-08 | 2017-09-19 | 中车大连电力牵引研发中心有限公司 | Control method for vehicle and device |
| CN107627903B (en) * | 2017-09-22 | 2020-01-24 | 深圳市正弦电气股份有限公司 | Method, device and system for controlling electric automobile to slide and storage medium |
| CN110893777A (en) * | 2018-08-24 | 2020-03-20 | 宝沃汽车（中国）有限公司 | Vehicle charging protection method, device and system and vehicle |
| CN111605410B (en) * | 2020-05-28 | 2021-02-09 | 清华大学 | Electric control braking system and electric control braking method |
| CN114655015B (en) * | 2021-01-22 | 2024-06-11 | 北京新能源汽车股份有限公司 | Motor control circuit, torque safety control method and device |
| CN113110196A (en) * | 2021-04-25 | 2021-07-13 | 北京云迹科技有限公司 | Robot parking control method and device |
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| CN102729838B (en) * | 2012-07-09 | 2014-10-15 | 上海中科深江电动车辆有限公司 | Car slip prevention control system and control system for ramp-way stop of no-obliquity sensor electro-mobile |
| EP2792531A1 (en) * | 2013-04-16 | 2014-10-22 | ABB Oy | Preventing of slip in an electrically powered vehicle |
| CN103522915B (en) * | 2013-10-31 | 2015-11-18 | 重庆长安汽车股份有限公司 | The torque control method that a kind of pure electric automobile slips after preventing hill start |
| CN103895531B (en) * | 2014-04-18 | 2016-04-20 | 清华大学苏州汽车研究院（吴江） | Pure electric vehicle uphill starting control method |
| CN105150879A (en) * | 2015-09-25 | 2015-12-16 | 天津市松正电动汽车技术股份有限公司 | Electric car hill-holding control system and control method |
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| CN105416092B (en) * | 2015-12-29 | 2018-04-03 | 潍柴动力股份有限公司 | A kind of pure electric vehicle back-sliding prevention control method and system |
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