CN106427666A - System, method and device for preventing car-rolling function of electric car from being out of control - Google Patents
System, method and device for preventing car-rolling function of electric car from being out of control Download PDFInfo
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- CN106427666A CN106427666A CN201610967475.7A CN201610967475A CN106427666A CN 106427666 A CN106427666 A CN 106427666A CN 201610967475 A CN201610967475 A CN 201610967475A CN 106427666 A CN106427666 A CN 106427666A
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- controlling switch
- circuit
- speed
- electric machine
- machine controller
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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
Abstract
The invention discloses a system, method and device for preventing an anti-car-rolling function of an electric car from being out of control. The system comprises a braking anti-locking system to monitor the current car speed of the electric car; a motor controller connected with the braking anti-locking system, wherein the motor controller is connected to the motor through electric transmission lines of a three-phase current; a three-phase winding arranged at the motor side and a control switch arranged among the electric transmission lines; when the motor controller is in a zero rotating speed closed-loop control state, a first car speed monitored by the braking anti-locking system is obtained; by comparing the first car speed with a preset car speed threshold value, when the first car speed is bigger than the preset car speed threshold value, the zero rotating speed closed-loop control state is quit, and a control signal used for controlling the control switch to short out the three-phase winding is generated. According to the system, method and device for preventing the anti-car-rolling function of the electric car from being out of control, when the anti-car-rolling function is out of control, by turning on or off of the control switch, the three-phase winding arranged at the motor side is allowed to enter a short-circuit state and the motor is allowed to stop outputting torque, and the safety of the electric car is thus improved.
Description
Technical field
The present invention relates to electric vehicle engineering field, more particularly, to a kind of prevent the anti-slip function of electric automobile out of control be
System, method and device.
Background technology
Electric automobile be one kind powered by vehicle mounted dynamic battery, the motor-driven environmental protection vehicles, electric automobile
One of core technology be exactly motor and electric machine controller technology, adopting permagnetic synchronous motor current passenger car as driving electricity more
Machine, electric machine controller passes through the DC source of input power battery, and its inversion is frequency-changing AC electricity, drives alternating current generator output
Torque.
Electric automobile (is driven out to ground as queued up from underground garage) it may be necessary to frequent start-stop in ramp driving,
In the case of not using parking brake, in order to prevent vehicle car slipping, electric automobile utilizes motor controller controls motor output torque, makes
Vehicle enters zero rotating speed control mode, prevents car slipping.
The anti-slip function of most electric automobile uses motor speed information, and in anti-slip function on, electric machine controller enters
Enter zero speed closed loop control state, output torque drives vehicle to realize preventing vehicle anti-slide, but when anti-slip function use
When motor speed signal makes a mistake, thus bring that zero speed closed loop control of anti-slip function is out of control, anti-slip function is not only
Do not enable anti-slip it is possible to vehicle can be caused to accelerate forward or backward, touch with forward and backward vehicle or pedestrian
Hit.
Content of the invention
Embodiment of the present invention offer is a kind of to prevent the anti-slip function of electric automobile system out of control, method and device, to solve
When certainly the motor speed signal of electric automobile makes a mistake in prior art, lead to anti-slip disabler, cause vehicle to move
The problem colliding with other vehicles or pedestrians.
The embodiment of the present invention provides a kind of system preventing the anti-slip function of electric automobile out of control, including：
The anti-blocking brake system of monitoring automobile current vehicle speed；
The electric machine controller being connected with described anti-blocking brake system, the transmission of electricity by three-phase current for the described electric machine controller
Connection is to motor；
It is arranged at the three-phase windings of described motor side, and be arranged at the controlling switch between described transmission line of electricity；
Wherein, described electric machine controller is used for, when being in zero speed closed loop control state, obtaining described braking anti-lock
The first speed that system monitoring arrives, described first speed and preset vehicle speed threshold value are compared, and are more than in described first speed
During preset vehicle speed threshold value, exit described zero speed closed loop control state, and generate for controlling described controlling switch by described three
The control signal of phase winding short circuit.
Wherein, described anti-blocking brake system is connected by controller local area network with described electric machine controller.
Wherein, described electric machine controller includes signal receiving element, the treatment element being connected with described signal receiving element,
And the signal sending element being connected with described treatment element.
Wherein, described transmission line of electricity includes first line, the second circuit and the tertiary circuit being parallel to each other and being arranged in order,
Described controlling switch includes the first controlling switch being arranged between described first line and described second circuit and is arranged at institute
State the second controlling switch between the second circuit and described tertiary circuit.
Wherein, described controlling switch is catalyst.
The embodiment of the present invention also provides a kind of method preventing the anti-slip function of electric automobile out of control, is applied to motor control
Device, methods described includes：
When electric machine controller is in zero speed closed loop control state, obtain the first speed of automobile current driving；
Described first speed and preset vehicle speed threshold value are compared, when described first speed is more than described preset vehicle speed threshold
During value, exit zero speed closed loop control state and generate control signal；
Send described control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current so that described control
Switch will be arranged at the three-phase windings short circuit of motor side, and wherein said electric machine controller passes through transmission line of electricity and the institute of three-phase current
State motor connection.
Wherein, the step of described the first speed obtaining automobile current driving includes：
Receive the anti-blocking brake system that is connected with described electric machine controller by controller local area network send described
First speed.
Wherein, described transmission line of electricity includes：First line, the second circuit and the 3rd line being parallel to each other and being arranged in order
Road, described controlling switch includes the first controlling switch being arranged between described first line and described second circuit and is arranged at
The second controlling switch between described second circuit and described tertiary circuit；
Described send described control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current so that described
The step being arranged at the three-phase windings short circuit of motor side is included by controlling switch：
Send described control signal to described first controlling switch, described second controlling switch respectively；
Control described first controlling switch, described second controlling switch to be in closure state by described control signal, make
Obtain described first line and described second line short circuit, described second circuit and described tertiary circuit short circuit, control described motor
The three-phase windings short circuit of side.
The embodiment of the present invention also provides a kind of device preventing the anti-slip function of electric automobile out of control, is applied to motor control
Device, described device includes：
Acquisition module, for when electric machine controller is in zero speed closed loop control state, obtaining automobile current driving
First speed；
Processing module, for being compared described first speed and preset vehicle speed threshold value, when described first speed is more than
During described preset vehicle speed threshold value, exit zero speed closed loop control state and generate control signal；
Sending module, described controls letter for sending to the controlling switch being arranged between the transmission line of electricity of three-phase current
Number so that described controlling switch will be arranged at motor side three-phase windings short circuit, wherein said electric machine controller pass through three-phase electricity
The transmission line of electricity of stream and described motor connection.
Wherein, described acquisition module is further used for：
Receive the anti-blocking brake system that is connected with described electric machine controller by controller local area network send described
First speed.
Wherein, described transmission line of electricity includes：First line, the second circuit and the 3rd line being parallel to each other and being arranged in order
Road, described controlling switch includes the first controlling switch being arranged between described first line and described second circuit and is arranged at
The second controlling switch between described second circuit and described tertiary circuit；
Described sending module includes：
Sending submodule, for sending described control respectively and believing to described first controlling switch, described second controlling switch
Number；
Control submodule, for controlling described first controlling switch, described second controlling switch by described control signal
It is in closure state so that described first line and described second line short circuit, described second circuit and described tertiary circuit are short
Connect, control the three-phase windings short circuit of described motor side.
The beneficial effect of embodiment of the present invention technical scheme at least includes：
Technical solution of the present invention, when electric machine controller is in zero speed closed loop control state, obtains current speed, 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, generates control signal and sends to the controlling switch being arranged between the transmission line of electricity of three-phase current, opened by controlling
The closure closed makes the transmission line of electricity being connected between electric machine controller and motor form short circuit, the three-phase windings of controlled motor side
Short circuit, motor stops output torque, improves the safety of electric automobile.
Brief description
Fig. 1 prevents the anti-slip function of electric automobile system schematic one out of control for the embodiment of the present invention one；
Fig. 2 prevents the anti-slip function of electric automobile system schematic two out of control for the embodiment of the present invention one；
Fig. 3 prevents the anti-slip function of electric automobile method schematic diagram out of control for the embodiment of the present invention two；
Fig. 4 prevents the anti-slip function of electric automobile schematic device one out of control for the embodiment of the present invention three；
Fig. 5 prevents the anti-slip function of electric automobile schematic device two out of control for the embodiment of the present invention three.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment a part of embodiment that is the present invention, rather than whole embodiments.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under the premise of not making creative work
Example, broadly falls into the scope of protection of the invention.
Embodiment one
As shown in figure 1, the embodiment of the present invention one provide prevent the anti-slip function of electric automobile system out of control, including：
The anti-blocking brake system 101 of monitoring automobile current vehicle speed；The motor control being connected with anti-blocking brake system 101
Device 102, electric machine controller 102 is connected to motor 103 by the transmission line of electricity of three-phase current；It is arranged at the three-phase of motor 103 side
Winding 104, and it is arranged at the controlling switch 105 between transmission line of electricity；
Wherein, electric machine controller 102 is used for, when being in zero speed closed loop control state, obtaining anti-blocking brake system
101 the first speeds monitoring, the first speed is compared with preset vehicle speed threshold value, is more than preset vehicle speed threshold in the first speed
During value, exit zero speed closed loop control state, and generate for controlling controlling switch 105 by the control of three-phase windings 104 short circuit
Signal.
Specifically, monitor the speed of running car by anti-blocking brake system 101, be in zero in electric machine controller 102
During speed closed loop control state, electric machine controller 102 is by the first speed and the preset vehicle speed threshold value of the current running car obtaining
It is compared, when the first speed is more than preset vehicle speed threshold value, determine that now the anti-slip function of electric automobile is out of control, now 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 controlling switch 105 being connected between the transmission line of electricity of 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, receive control in controlling switch 105
After signal, controlling switch 105 is in closure state, and makes transmission line of electricity be in short circuit state, now the three of motor 103 side
Phase winding 104 short circuit, enters active short-circuit mode, and motor 103 stops output torque, it is to avoid automobile accelerates forward or backward fortune
Dynamic, with forward and backward vehicle or pedestrian collision.Now driver needs to prevent automobile car slipping by using brake pedal.
It should be noted that the automobile being previously mentioned in the embodiment of the present invention is electric automobile.
In embodiments of the present invention, anti-blocking brake system 101 and electric machine controller 102 are connected by controller local area network
Connect.Anti-blocking brake system 101 passes through CAN bus and sends the speed letter monitoring to electric machine controller 102
Number, electric machine controller 102 obtains the travel speed of current automobile according to the GES receiving.
In embodiments of the present invention, as depicted in figs. 1 and 2, electric machine controller 102 includes signal receiving element 1021, with
The treatment element 1022 that signal receiving element 1021 connects, and the signal sending element 1023 being connected with treatment element 1022.
Electric machine controller 102 is connected with anti-blocking brake system 101 by signal receiving element 1021, electric machine controller
102 are connected with controlling switch 105 by signal sending element 1023, wherein signal receiving element 1021 and treatment element 1022 electricity
Connect, treatment element 1022 is 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 ABS
The GES that dead system 101 is sent by controller local area network, obtains the first of current running car according to GES
Speed, the first speed obtaining is sent to treatment element 1022, and treatment 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, processes
Element 1022 generates control signal, and control signal is transmitted to signal sending element 1023.Electric machine controller 102 is sent out by signal
Element 1023 is sent to send control signals to controlling switch 105.
After controlling switch 105 receives control signal, be in closure state so that be connected to electric machine controller 102 with
Transmission line of electricity between motor 103 is in short circuit state, now three-phase windings 104 short circuit of motor 103 side, enters actively short circuit
Pattern, motor 103 stops output torque, automobile can be avoided to accelerate forward or backward, with forward and backward vehicle or pedestrian
Collide.Now driver needs to prevent automobile car slipping by using brake pedal.
In embodiments of the present invention, as shown in figure 1, transmission line of electricity include being parallel to each other and be arranged in order first line,
Second circuit and tertiary circuit, controlling switch 105 includes the first controlling switch being arranged between first line and the second circuit
1051 and the second controlling switch 1052 of being arranged between the second circuit and tertiary circuit, wherein controlling switch 105 is catalyst.
Specifically, the transmission line of electricity being connected to the three-phase current between electric machine controller 102 and motor 103 includes mutually putting down
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.It is provided with the first controlling switch between adjacent first line and the second circuit
1051, it is provided with the second controlling switch 1052 between the second adjacent circuit and tertiary circuit.In the first controlling switch 1051
When being in closure state, first line and the second line short circuit, when the second controlling switch 1052 is in closure state, the second line
Road and tertiary circuit short circuit.In first line and the second line short circuit and the second circuit and tertiary circuit short circuit, motor 103 side
Three-phase windings 104 short circuit, enter active short-circuit mode, motor 103 stop output torque, can avoid automobile forward or to
After accelerate, with forward and backward vehicle or pedestrian collision.
The embodiment of the present invention one, when electric machine controller is in zero speed closed loop control state, obtains current speed, 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, generates control signal and sends to the controlling switch being arranged between the transmission line of electricity of three-phase current, opened by controlling
The closure closed makes the transmission line of electricity being connected between electric machine controller and motor form short circuit, the three-phase windings of controlled motor side
Short circuit, motor stops output torque, improves the safety of electric automobile.
Embodiment two
As shown in figure 3, the embodiment of the present invention two provides a kind of method preventing the anti-slip function of electric automobile 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 car
Speed.
In anti-slip function on, electric machine controller enters zero speed closed loop control state, and controlled motor output torque is driven
Electrical automobile, prevents automobile from occurring slipping by slope.When electric machine controller is in zero speed closed loop control state, need by ABS
Dead system obtains the first current speed of automobile.
The process that electric machine controller obtains current the first speed of automobile is：Receive the braking being connected with electric machine controller to prevent
The first speed that locking system is sent by controller local area network.Anti-blocking brake system passes through controller with electric machine controller
LAN connects, when anti-blocking brake system monitors the first speed of automobile current driving, by controller local area network
Network sends the first speed to electric machine controller.
Step 302, the first speed and preset vehicle speed threshold value are compared, when the first speed is more than preset vehicle speed threshold value
When, exit zero speed closed loop control state and generate control signal.
Electric machine controller, after obtaining the first speed, the first speed is carried out with preset vehicle speed threshold value with prestoring
Relatively, judge 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 the
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, send control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current so that controlling
Switch will be arranged at the three-phase windings short circuit of motor side, and wherein electric machine controller passes through the transmission line of electricity of three-phase current and motor connects
Connect.
Electric machine controller, after generating control signal, sends control signals to controlling switch, wherein controlling switch sets
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
Control signal is passed through the Transmission Lines of three-phase current to controlling switch by controller.Controlling switch is receiving control signal
It is in closure state afterwards, and makes transmission line of electricity be in short circuit state, now the three-phase windings short circuit of motor side, enter actively
Short-circuit mode, motor stops output torque, it is to avoid automobile accelerates forward or backward, sends out with forward and backward vehicle or pedestrian
Raw collision.Now driver needs to prevent automobile car slipping by using brake pedal.
Wherein, transmission line of electricity includes：First line, the second circuit and the tertiary circuit being parallel to each other and being arranged in order, control
System switch includes being arranged at the first controlling switch between first line and the second circuit and being arranged at the second circuit and the 3rd line
The second controlling switch between road；
Send control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current so that controlling switch will set
Be placed in motor side three-phase windings short circuit when, specially：
Send control signal to the first controlling switch, the second controlling switch respectively；
Control the first controlling switch, the second controlling switch to be in closure state by control signal so that first line and
Second line short circuit, the second circuit and tertiary circuit short circuit, the three-phase windings short circuit of controlled motor side.
Specifically, electric machine controller is when sending control signal, to the being arranged between first line and the second circuit
One controlling switch, the second controlling switch being arranged between the second circuit and tertiary circuit send control signal respectively, the first control
, after receiving control signal, the first controlling switch is in closure state so that first line and the second circuit are short for system switch
Connect, after receiving control signal, the second controlling switch is in closure state so that the second circuit and for the second controlling switch
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, enters active short-circuit mode, and motor stops output torque, and automobile can be avoided to accelerate forward or backward, with
Forward and backward vehicle or pedestrian collision.Now driver needs to prevent automobile car slipping by using brake pedal.
The embodiment of the present invention two, when electric machine controller is in zero speed closed loop control state, obtains current speed, 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, generates control signal and sends to the controlling switch being arranged between the transmission line of electricity of three-phase current, opened by controlling
The closure closed makes the transmission line of electricity being connected between electric machine controller and motor form short circuit, the three-phase windings of controlled motor side
Short circuit, motor stops output torque, improves the safety of electric automobile.
Embodiment three
A kind of enforcement preventing the anti-slip function of electric automobile device out of control providing for the embodiment of the present invention three below
Example, in the present embodiment, the detail content of not detailed description, may be referred to said method embodiment.
What the embodiment of the present invention three provided prevents the anti-slip function of electric automobile device out of control, is applied to motor control
Device, as shown in figure 4, include：
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 being compared the first speed with preset vehicle speed threshold value, when the first speed is more than default car
During fast threshold value, exit zero speed closed loop control state and generate control signal；
Sending module 30, for sending control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current,
Make controlling switch will be arranged at the three-phase windings short circuit of motor side, the wherein transmission line of electricity by three-phase current for the electric machine controller
With motor connection.
Wherein, acquisition module 10 is further used for：
Receive the first speed that the anti-blocking brake system being connected 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 being parallel to each other and being arranged in order, control
System switch includes being arranged at the first controlling switch between first line and the second circuit and being arranged at the second circuit and the 3rd line
The second controlling switch between road；
As shown in figure 5, sending module 30 includes：
Sending submodule 31, for sending control signal respectively to the first controlling switch, the second controlling switch；
Control submodule 32, for controlling the first controlling switch, the second controlling switch to be in closed form by control signal
So that first line and the second line short circuit, the second circuit and tertiary circuit short circuit, the three-phase windings of controlled motor side are short for state
Road.
The embodiment of the present invention three, when electric machine controller is in zero speed closed loop control state, obtains current speed, 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, generates control signal and sends to the controlling switch being arranged between the transmission line of electricity of three-phase current, opened by controlling
The closure closed makes the transmission line of electricity being connected between electric machine controller and motor form short circuit, the three-phase windings of controlled motor side
Short circuit, motor stops output torque, improves the safety of electric automobile.
It should be noted that provided in an embodiment of the present invention prevent the anti-slip function of electric automobile device out of control from being application
The device of the method that above-described embodiment two is provided, then all embodiments of the method that above-described embodiment two is provided all are applied to
This device, and all can reach same or analogous beneficial effect.
Above-described is the preferred embodiment of the present invention it should be pointed out that the ordinary person for the art comes
Say, some improvements and modifications can also be made under the premise of without 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 prevent the anti-slip function of electric automobile system out of control it is characterised in that include：
The anti-blocking brake system of monitoring automobile current vehicle speed；
The electric machine controller being connected with described anti-blocking brake system, the transmission line of electricity by three-phase current for the described electric machine controller
Connect to motor；
It is arranged at the three-phase windings of described motor side, and be arranged at the controlling switch between described transmission line of electricity；
Wherein, described electric machine controller is used for, when being in zero speed closed loop control state, obtaining described anti-blocking brake system
The first speed monitoring, described first speed and preset vehicle speed threshold value are compared, and are more than default in described first speed
During speed threshold value, exit described zero speed closed loop control state, and generate for control described controlling switch by described three-phase around
The control signal of group short circuit.
2. system according to claim 1 is it is characterised in that described anti-blocking brake system is led to described electric machine controller
Cross controller local area network to connect.
3. system according to claim 1 is it is characterised in that described electric machine controller includes signal receiving element, with institute
State the treatment element of signal receiving element connection, and the signal sending element being connected with described treatment element.
4. system according to claim 1 is it is characterised in that what described transmission line of electricity included being parallel to each other and be arranged in order
First line, the second circuit and tertiary circuit, described controlling switch includes being arranged at described first line and described second circuit
Between the first controlling switch and the second controlling switch being arranged between described second circuit and described tertiary circuit.
5. system according to claim 1 is it is characterised in that described controlling switch is catalyst.
6. a kind of method preventing the anti-slip function of electric automobile out of control, is applied to electric machine controller it is characterised in that described side
Method includes：
When electric machine controller is in zero speed closed loop control state, obtain the first speed of automobile current driving；
Described first speed and preset vehicle speed threshold value are compared, when described first speed is more than described preset vehicle speed threshold value
When, exit zero speed closed loop control state and generate control signal；
Send described control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current so that described controlling switch
The three-phase windings short circuit of motor side will be arranged at, wherein said electric machine controller passes through the transmission line of electricity of three-phase current and described electricity
Machine connects.
7. method according to claim 6 is it is characterised in that the step of the first speed of described acquisition automobile current driving
Including：
Receive that the anti-blocking brake system that is connected with described electric machine controller is sent by controller local area network described first
Speed.
8. method according to claim 6 is it is characterised in that described transmission line of electricity includes：It is parallel to each other and be arranged in order
First line, the second circuit and tertiary circuit, described controlling switch includes being arranged at described first line and described second line
The first controlling switch between road and the second controlling switch being arranged between described second circuit and described tertiary circuit；
Described send described control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current so that described control
The step being arranged at the three-phase windings short circuit of motor side is included by switch：
Send described control signal to described first controlling switch, described second controlling switch respectively；
Described first controlling switch is controlled by described control signal, described second controlling switch is in closure state so that institute
State first line and described second line short circuit, described second circuit and described tertiary circuit short circuit, control described motor side
Three-phase windings short circuit.
9. a kind of device preventing the anti-slip function of electric automobile out of control, is applied to electric machine controller it is characterised in that described dress
Put 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 being compared described first speed and preset vehicle speed threshold value, when described first speed is more than described
During preset vehicle speed threshold value, exit zero speed closed loop control state and generate control signal；
Sending module, for sending described control signal to the controlling switch being arranged between the transmission line of electricity of three-phase current, makes
Obtain the three-phase windings short circuit that described controlling switch will be arranged at motor side, wherein said electric machine controller passes through the defeated of three-phase current
Electric line and described motor connection.
10. device according to claim 9 is it is characterised in that described acquisition module is further used for：
Receive that the anti-blocking brake system that is connected with described electric machine controller is sent by controller local area network described first
Speed.
11. devices according to claim 9 are it is characterised in that described transmission line of electricity includes：It is parallel to each other and be arranged in order
First line, the second circuit and tertiary circuit, described controlling switch includes being arranged at described first line and described second line
The first controlling switch between road and the second controlling switch being arranged between described second circuit and described tertiary circuit；
Described sending module includes：
Sending submodule, for sending described control signal respectively to described first controlling switch, described second controlling switch；
Control submodule, for controlling described first controlling switch, described second controlling switch to be in by described control signal
Closure state, so that described first line and described second line short circuit, described second circuit and described tertiary circuit short circuit, is controlled
Make the three-phase windings short circuit of described motor side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610967475.7A CN106427666B (en) | 2016-10-31 | 2016-10-31 | A kind of system for preventing the anti-slip function of electric vehicle out of control, method and device |
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| CN107627903A (en) * | 2017-09-22 | 2018-01-26 | 深圳市正弦电气股份有限公司 | The anti-of electric automobile slips by slope control method, device, system and storage medium |
| CN108622077A (en) * | 2017-03-15 | 2018-10-09 | 通用汽车环球科技运作有限责任公司 | Initialization for the closed-loop control that vehicle stops |
| WO2018205375A1 (en) * | 2017-05-08 | 2018-11-15 | 中车大连电力牵引研发中心有限公司 | Vehicle control method and apparatus |
| 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 |
| CN111605410A (en) * | 2020-05-28 | 2020-09-01 | 清华大学 | Electric control braking system and electric control braking method |
| CN113110196A (en) * | 2021-04-25 | 2021-07-13 | 北京云迹科技有限公司 | Robot parking control method and device |
| CN114655015A (en) * | 2021-01-22 | 2022-06-24 | 北京新能源汽车股份有限公司 | Motor control circuit, torque safety control method and device |
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| CN114655015A (en) * | 2021-01-22 | 2022-06-24 | 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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