CN108248678A - Vehicle-mounted electric control system and electric automobile - Google Patents
Vehicle-mounted electric control system and electric automobile Download PDFInfo
- Publication number
- CN108248678A CN108248678A CN201810034698.7A CN201810034698A CN108248678A CN 108248678 A CN108248678 A CN 108248678A CN 201810034698 A CN201810034698 A CN 201810034698A CN 108248678 A CN108248678 A CN 108248678A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D6/00—Arrangements for automatically controlling steering depending on driving conditions sensed and responded to, e.g. control circuits
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention provides a vehicle-mounted electric control system and an electric automobile, and relates to the technical field of vehicle control, wherein the vehicle-mounted electric control system comprises: the device comprises a signal sensing device, an electronic control device and a power-assisted torque mechanism; the signal sensing device is connected with the electronic control device through a Controller Area Network (CAN) bus; the power-assisted torque mechanism is connected with the electronic control device through a hard wire; the electronic control device is used for acquiring a required assistance torque according to the signal acquired by the signal sensing device and outputting the required assistance torque to the assistance torque mechanism. The scheme of the invention realizes the combination of the automobile main control system and the electric power steering system, reduces the number of sensors arranged on the automobile, saves the cost, reduces the workload of the electronic controller and simultaneously improves the reliability of the electronic controller.
Description
Technical field
The invention belongs to full-vehicle control technical field, more particularly, to a kind of Vehicular electric control system and electric vehicle.
Background technology
In the prior art, all using traditional manual steering pattern, i.e., manual control direction disk rotates many automobiles,
The mechanical devices such as vehicle wheel steering shaft are then passed to, realize motor turning.It is growing with automotive electronic technology, it is right
Automobile Design and the requirement of controlled level are higher and higher, especially the energy saving and environmental protection characteristic of automobile.Domestic other factories many at present
Quotient is provided with electric power steering (Electric Power Steering, abbreviation on light-duty commercial vehicle：EPS) system,
To replace the hydraulic power-assist steering system of highly energy-consuming, high pollution.And current EPS system is to work independently, the master with automobile
Without any information interchange between control system, if cause EPS system want obtain each component of automobile information when, need on the components
Sensor is installed, makes that EPS system is complicated and workload is heavy；When EPS system failure, institute can not be terminated in time
EPS system control motor turning is stated, motor turning is caused mistake occur.
Invention content
The embodiment of the present invention is designed to provide a kind of Vehicular electric control system and electric vehicle, so as to solve the prior art
Middle EPS system is complicated, workload is heavy, and can not be to the working state real-time monitoring of the EPS system the problem of.
To achieve these goals, the present invention provides a kind of Vehicular electric control system, including：Signal sensor, electronics
Control device and power torque mechanism；
Wherein, the signal sensor passes through controller LAN (Controller Area Network, abbreviation：
CAN) bus is connect with the electronic control unit；The power torque mechanism is connected by rigid line and the electronic control unit
It connects；
The electronic control unit is used for the signal acquisition demand power torque acquired according to the signal sensor, and
The demand power torque is exported to the power torque mechanism.
Wherein, the signal sensor includes：Torque/rotary angle transmitter, the first CAN controller, the first CAN transmitting-receivings
Device, the first speed probe, the second CAN controller and the second CAN transceiver；
Wherein, the torque/rotary angle transmitter, first CAN controller and first CAN transceiver pass sequentially through
Rigid line connects；
First speed probe, second CAN controller and second CAN transceiver pass sequentially through rigid line company
It connects；
First CAN transceiver and second CAN transceiver are filled by the CAN bus and the electronic control
Put connection.
Wherein, the torque/rotary angle transmitter is mounted on the wheel steering axis of automobile, for acquiring wheel steering
The current torque of axis and steering shaft work as front hook, and by the current torque and described when front hook passes through the first CAN
Controller, first CAN transceiver and the CAN bus are exported to the electronic control unit.
Wherein, first speed probe is mounted on the wheel of automobile, for acquiring vehicle wheel rotational speed, and by the vehicle
Wheel speed is exported by second CAN controller, second CAN transceiver and the CAN bus to the electronic control
Device.
Wherein, the electronic control unit includes：Automobile master controller and electronic controller；
Wherein, the automobile master controller is connect by the CAN bus with the signal sensor, and is passed through described
CAN bus receives the current torque, is described when front hook and the vehicle wheel rotational speed；
The electronic controller passes through Serial Peripheral Interface (SPI) (Serial Peripheral Interface, abbreviation：SPI)
Bus is connect with the automobile master controller, and according to the current torque, it is described when front hook and the vehicle wheel rotational speed and
Pre-stored power torque and the relation curve of torque, corner and rotating speed, obtain demand power torque；
The power torque mechanism is connect by rigid line with the electronic controller, and is exported according to the electronic controller
The demand power torque driving motor turning.
Wherein, the automobile master controller is additionally operable to be unsatisfactory in the working state signal that the electronic controller exports pre-
If during condition, the electronic controller is controlled to be stopped.
Wherein, the power torque mechanism includes：Pass through the sequentially connected motor of rigid line, deceleration mechanism and mechanical device；
Wherein, the motor is connect by rigid line with the electronic controller, and exported according to the electronic controller
The demand power torque exports power torque and motor speed；
The deceleration mechanism is used for according to preset gearratio coefficient, reduces the motor speed, and increase the power-assisted
Torque；
The mechanical device is used to, according to the motor speed after reduction and the power torque after increase, drive vapour
Vehicle turns to.
Wherein, the motor is additionally operable to output feedback current to the electronic controller, and the electronic controller is according to institute
It states feedback current and corrects the demand power torque.
Wherein, the signal sensor further includes：For acquire the tire pressure of automobile tire pressure sensor, for adopting
Collect the second speed probe of engine speed, for acquiring the temperature sensor of engine temperature, third CAN controller, the
Three CAN transceivers, the 4th CAN controller, the 4th CAN transceiver, the 5th CAN controller and the 5th CAN transceiver；
Wherein, the pressure sensor, the third CAN controller and the third CAN transceiver pass sequentially through rigid line
Connection；
Second speed probe, the 4th CAN controller and the 4th CAN transceiver pass sequentially through rigid line company
It connects；
The temperature sensor, the 5th CAN controller pass sequentially through rigid line with the 5th CAN transceiver and connect；
The third CAN transceiver, the 4th CAN transceiver and the 5th CAN transceiver are total by the CAN
Line is connect with the automobile master controller.
Wherein, the electronic controller is additionally operable to according to the tire pressure, the engine speed and the engine temperature,
Correct the demand power torque.
The embodiment of the present invention also provides a kind of electric vehicle, including Vehicular electric control system as described above.
The above-mentioned technical proposal of the present invention at least has the advantages that：
In the Vehicular electric control system of the embodiment of the present invention, the automobile master controller by CAN bus with it is each on automobile
Sensor connects, and obtains the information of each sensor acquisition in real time, and the information of acquisition is integrated, and passes through the spi bus
The electronic controller is sent to, the electronic controller is avoided and the automobile master controller obtains each sensing in real time respectively
The information of device acquisition avoids and installation sensor is repeated on automobile, saved cost, and reduce the electronic controller
Workload；The automobile master controller and the electronic controller are communicated by the spi bus so that the automobile main control
Device monitors the electronic controller in real time, and default item is unsatisfactory in the working state signal of electronic controller output
During part, the electronic controller is controlled to be stopped, the steering of automobile is avoided mistake occur.
Description of the drawings
Fig. 1 is the schematic diagram of the Vehicular electric control system of the embodiment of the present invention.
Reference sign：
1- signal sensors, 2- electronic control units, 3- power torques mechanism, 101- torques/rotary angle transmitter, 102-
First CAN controller, the first CAN transceivers of 103-, the first speed probes of 104-, the second CAN controllers of 105-, 106- second
CAN transceiver, 107- pressure sensors, 108- third CAN controllers, 109- third CAN transceivers, the second revolution speed sensings of 110-
Device, the 4th CAN controllers of 111-, the 4th CAN transceivers of 112-, 113- temperature sensors, the 5th CAN controllers of 114-, 115-
6th CAN transceiver, 21- automobile master controllers, 22- electronic controllers, 31- motors, 32- decelerations mechanism, 33- mechanical devices.
Specific embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The embodiment of the present invention is relatively independent for EPS system and automobile master control system in the prior art, the EPS system
The automobile master controller of electronic controller and the automobile master control system without information interchange, cause sensor in EPS system with
Sensor in automobile master control system repeats installation and repeated work, causes the raising of cost, workload is heavy, and can not be real-time
Monitor EPS system working condition the problem of, a kind of Vehicular electric control system and electric vehicle are provided, the EPS system made and
The automobile master control system is melted as an electric-control system, and the repetition for reducing sensor is installed, and reduces workload, and realize
To the real time monitoring of the working condition of electronic controller.
As shown in Figure 1, one embodiment of the invention provides a kind of Vehicular electric control system, including：Signal sensor 1,
Electronic control unit 2 and power torque mechanism 3；
Wherein, the signal sensor 1 is connect by controller area network bus with the electronic control unit 2；
The power torque mechanism 3 is connect by rigid line with the electronic control unit 2；
The electronic control unit 2 is used for the signal acquisition demand power torque acquired according to the signal sensor 1,
And the demand power torque is exported to the power torque mechanism 3.
The signal sensor 1 is passed through the CAN bus and institute by the Vehicular electric control system of the embodiment of the present invention
It states electronic control unit 2 to connect, avoids passing through rigid line connection, it is achieved thereby that the simplification of system structure, reduces production cost,
Reduce the disturbing factor of signal transmission simultaneously.
Specifically, the signal sensor 1 includes：Torque/rotary angle transmitter 101, the first CAN controller 102, first
CAN transceiver 103, the first speed probe 104, the second CAN controller 105 and the second CAN transceiver 106.
Wherein, the torque/rotary angle transmitter 101, first CAN controller 102 and first CAN transceiver
103 pass sequentially through rigid line connection；
First speed probe 104, second CAN controller 105 and second CAN transceiver 106 are successively
It is connected by rigid line；
First CAN transceiver 103 and second CAN transceiver 106 pass through the CAN bus and the electronics
Control device 2 connects.
Torque/the rotary angle transmitter 101 is mounted on the wheel steering axis of automobile, when the wheel steering shaft rotation
When dynamic, the torque/rotary angle transmitter 101 is started to work, and the torque/rotary angle transmitter 101 acquires input shaft and output shaft
The relative rotation generated under torsion bar effect and torque, and the first electric signal output is converted into first CAN controller
102, first electric signal received is converted into and can be transmitted in the CAN bus by first CAN controller 102
CAN message, and export to first CAN transceiver 103, first electric signal will be carried by the CAN bus
Message information be sent to the electronic control unit 2.
First speed probe 104 is mounted on the wheel of automobile, for acquiring vehicle wheel rotational speed, and by the wheel
Rotating speed is converted to the second electric signal, is exported by rigid line to second CAN controller 105, and the second controller 105 is by institute
It states the second electric signal and is converted into the CAN message that can be transmitted in the CAN bus, and export to second CAN transceiver
106, the message information for carrying second electric signal is exported to the electronic control unit 2 by the CAN bus.
Further, the electronic control unit 2 includes：Automobile master controller 21 and electronic controller 22；
Wherein, the automobile master controller 21 is connect by the CAN bus with the signal sensor 1, the electricity
Sub-controller 22 is connect by serial peripheral equipment interface SPI bus with the automobile master controller 21.
Specifically, the automobile master controller 21 receives the current torque by the CAN bus, described works as front hook
With the vehicle wheel rotational speed；And by the current torque, it is described when front hook and the vehicle wheel rotational speed are converted to can be in the SPI
The information transmitted in bus, by the spi bus by the current torque, described when front hook and the vehicle wheel rotational speed are sent
To the electronic controller 22；The electronic controller 22 is according to the current torque, described when front hook and the wheel turn
Fast and pre-stored power torque and the relation curve of torque, corner and rotating speed calculate the power torque of current demand.
It should be noted that the power torque and the relation curve of torque, corner and rotating speed are according to a large amount of experiment
The performance curve measured, the performance curve are equivalent to a piecewise function, the input quantity of torque, corner and rotating speed for function, root
According to formula or table look-up and can calculate the power torque of current demand.
The power torque mechanism 3 is connect, and with the electronic controller 22 according to the electronic controller by rigid line
The demand power torque driving motor turning of 22 outputs.
In the Vehicular electric control system of the embodiment of the present invention, the automobile master controller 21 and the electronic controller 22 pass through
Spi bus connects, and realizing that the sensor information of acquisition is packaged and be converted by the automobile master controller 21 can be
The information transmitted in the spi bus avoids the information that the electronic controller 22 frequently obtains each sensor acquisition, reduces
The workload of the electronic controller 22 so that the electronic controller 22 no longer independent operating, but become vehicle mounted electric
A part for control system；The quantity for the sensor installed on automobile is decreased simultaneously, has saved cost.
Further, the power torque mechanism 3 includes：Pass through the sequentially connected motor 31 of rigid line, 32 and of deceleration mechanism
Mechanical device 33.
Wherein, the motor 31 is connect by rigid line with the electronic controller 22, and according to the electronic controller 22
The demand power torque of output exports power torque and motor speed；
The deceleration mechanism 32 is used for according to preset gearratio coefficient, reduces the motor speed, and helped described in increase
Power torque；The motor speed after reduction and the power torque after increase are exported to the mechanical device 33 again.
The mechanical device 33 is used for according to the motor speed after reduction and the power torque after increase, driving
Motor turning.
Specifically, the deceleration mechanism 32 includes three kinds of Worm-gear type, planetary gear type and recirculating ball nut formula forms,
The deceleration mechanism 32 is used for booster torquemoment export to the motor 31 and motor speed carries out the transmission of deceleration torque, thus
The motor speed after output reduces is exported with the power torque after increase to the mechanical device 33.
Wherein, the mechanical device 33 includes the axle and its auxiliary device of automobile, and the mechanical device 33 is according to reception
To output reduce after the motor speed and increase after the power torque driving automobile turned to.
Specifically, the motor 31 is additionally operable to output feedback current to the electronic controller 22, the electronic controller
22 correct the demand power torque according to the feedback current.
Further, the signal sensor 1 further includes：For acquiring the pressure sensor of the tire pressure of automobile tire
107th, for acquire engine speed the second speed probe 110, for acquire the temperature sensor 113 of engine temperature,
Third CAN controller 108, third CAN transceiver 109, the 4th CAN controller 111, the 4th CAN transceiver 112, the 5th CAN controls
114 and the 5th CAN transceiver 115 of device processed.
Wherein, the pressure sensor 107, the third CAN controller 108 and the third CAN transceiver 109 be successively
It is connected by rigid line；
Second speed probe 110, the 4th CAN controller 111 and the 4th CAN transceiver 112 are successively
It is connected by rigid line；
The temperature sensor 113, the 5th CAN controller 114 and the 5th CAN transceiver 115 pass sequentially through
Rigid line connects；
The third CAN transceiver 109, the 4th CAN transceiver 112 and the 5th CAN transceiver 115 pass through
The CAN bus is connect with the automobile master controller 21.
Likewise, the tire pressure of acquisition is passed through the third CAN controller 108, the third by the pressure sensor 107
CAN transceiver 109 and the CAN bus are sent to the automobile master controller 21；Second speed probe 110 will acquire
Engine speed be sent to by the 4th CAN controller 111, the 4th CAN transceiver 112 and the CAN bus
The automobile master controller 21；The engine temperature of acquisition is passed through the 4th CAN controller by the temperature sensor 113
114th, the 4th CAN transceiver 115 and the CAN bus are sent to the automobile master controller 21.
The automobile master controller 21 turns the tire pressure received, the engine speed and the engine temperature
The information that can be transmitted by the spi bus is changed to, the electronic controller and 22 are sent to, by the electronic controller 22
According to the tire pressure, the engine speed and the engine temperature, the demand power torque is further corrected, so as to make
The demand booster torquemoment that the electronic controller 22 calculates is more accurate.
The Vehicular electric control system of the embodiment of the present invention, by the automobile master controller 21 and the electronic controller 22
It is connected by the spi bus, realizes instant messaging between the two so that the automobile master controller 21 can supervise in real time
The working condition of the electronic controller 22 is surveyed, gets what the electronic controller 22 exported in the automobile master controller 21
When working state signal is unsatisfactory for preset condition, the electronic controller 22 is controlled to be stopped.
It should be noted that the working state signal includes：Operating voltage, operating current, operating temperature and software fortune
Row state etc., when above-mentioned signal is unsatisfactory for preset condition, the automobile master controller 21 cuts off the electronic controller 22
Power supply makes the electronic controller 22 be stopped, and so as to which automobile be made to be restored to traditional manual steering pattern, avoids the occurrence of and turns
To the situation of mistake.
The Vehicular electric control system of the embodiment of the present invention so that the automobile master controller 21 and the electronic controller
Sensor on 22 shared motor vehicles, repetition is avoided, which to install sensor, leads to the raising of cost；The electronic controller 22 passes through institute
The information that automobile master controller 21 obtains each sensor acquisition is stated, reduces the workload of the electronic controller 22；The vapour
Car owner's controller 21 obtains the working state signal of the electronic controller 22 by the spi bus in real time, avoids by institute
Stating 22 operation irregularity of electronic controller leads to motor turning mistake, improves the reliability of the electronic controller 22.
Another embodiment of the present invention provides a kind of electric vehicle, including Vehicular electric control system as described above.
Correspondingly, the Vehicular electric control system due to the embodiment of the present invention is applied to electric vehicle, the embodiment of the present invention
A kind of electric vehicle is additionally provided, wherein, realize embodiment suitable for the electric vehicle described in above-mentioned Vehicular electric control system
In embodiment, it can also reach identical technique effect.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (11)
1. a kind of Vehicular electric control system, which is characterized in that including：Signal sensor (1), electronic control unit (2) and power-assisted
Torque mechanism (3)；
Wherein, the signal sensor (1) is connect by controller area network bus with the electronic control unit (2)；
The power torque mechanism (3) is connect by rigid line with the electronic control unit (2)；
The electronic control unit (2) for the signal acquisition demand power torque that is acquired according to the signal sensor (1),
And the demand power torque is exported to the power torque mechanism (3).
2. Vehicular electric control system according to claim 1, which is characterized in that the signal sensor (1) includes：Turn
Square/rotary angle transmitter (101), the first CAN controller (102), the first CAN transceiver (103), the first speed probe (104),
Second CAN controller (105) and the second CAN transceiver (106)；
Wherein, the torque/rotary angle transmitter (101), first CAN controller (102) and first CAN transceiver
(103) rigid line connection is passed sequentially through；
First speed probe (104), second CAN controller (105) and second CAN transceiver (106) according to
It is secondary to be connected by rigid line；
First CAN transceiver (103) and second CAN transceiver (106) pass through the CAN bus and the electronics
Control device (2) connects.
3. Vehicular electric control system according to claim 2, which is characterized in that torque/rotary angle transmitter (101) installation
In the steering shaft of vehicle steering wheel, work as forward for acquire the current torque of wheel steering axis and wheel steering axis
Angle, and by the current torque and described when front hook passes through first CAN controller (102), first CAN transceiver
(103) it is exported with the CAN bus to the electronic control unit (2).
4. Vehicular electric control system according to claim 3, which is characterized in that the first speed probe (104) installation
On the wheel of automobile, for acquiring vehicle wheel rotational speed, and the vehicle wheel rotational speed is passed through into second CAN controller (105), institute
It states the second CAN transceiver (106) and the CAN bus is exported to the electronic control unit (2).
5. Vehicular electric control system according to claim 4, which is characterized in that the electronic control unit (2) includes：Automobile
Master controller (21) and electronic controller (22)；
Wherein, the automobile master controller (21) is connect, and pass through by the CAN bus with the signal sensor (1)
The CAN bus receives the current torque, is described when front hook and the vehicle wheel rotational speed；
The electronic controller (22) is connect, and root by serial peripheral equipment interface SPI bus with the automobile master controller (21)
According to the current torque, it is described when front hook and the vehicle wheel rotational speed and pre-stored power torque and torque, corner and
The relation curve of rotating speed obtains demand power torque；
The power torque mechanism (3) is connect, and with the electronic controller (22) according to the electronic controller by rigid line
(22) the demand power torque driving motor turning of output.
6. Vehicular electric control system according to claim 5, which is characterized in that the automobile master controller (21) is additionally operable to
When the working state signal of electronic controller (22) output is unsatisfactory for preset condition, the electronic controller (22) is controlled to stop
Only work.
7. Vehicular electric control system according to claim 5, which is characterized in that the power torque mechanism (3) includes：Pass through
The sequentially connected motor of rigid line (31), deceleration mechanism (32) and mechanical device (33)；
Wherein, the motor (31) is connect, and with the electronic controller (22) according to the electronic controller by rigid line
(22) the demand power torque of output exports power torque and motor speed；
The deceleration mechanism (32) is for according to preset gearratio coefficient, reducing the motor speed, and increase the power-assisted
Torque；
The mechanical device (33) is for according to the motor speed after reduction and the power torque after increase, driving vapour
Vehicle turns to.
8. Vehicular electric control system according to claim 7, which is characterized in that the motor (31) is additionally operable to output feedback electricity
The electronic controller (22) is flow to, the electronic controller (22) is corrected the demand power-assisted according to the feedback current and turned
Square.
9. Vehicular electric control system according to claim 7, which is characterized in that the signal sensor (1) further includes：With
In pressure sensor (107), the second speed probe for acquiring engine speed of the tire pressure of acquisition automobile tire
(110), for acquiring the temperature sensor of engine temperature (113), third CAN controller (108), third CAN transceiver
(109), the 4th CAN controller (111), the 4th CAN transceiver (112), the 5th CAN controller (114) and the 5th CAN transceiver
(115)；
Wherein, the pressure sensor (107), the third CAN controller (108) and the third CAN transceiver (109) according to
It is secondary to be connected by rigid line；
Second speed probe (110), the 4th CAN controller (111) and the 4th CAN transceiver (112) according to
It is secondary to be connected by rigid line；
The temperature sensor (113), the 5th CAN controller (114) and the 5th CAN transceiver (115) are led to successively
Cross rigid line connection；
The third CAN transceiver (109), the 4th CAN transceiver (112) and the 5th CAN transceiver (115) are logical
The CAN bus is crossed to connect with the automobile master controller (21).
10. Vehicular electric control system according to claim 9, which is characterized in that the electronic controller (22) is additionally operable to root
According to the tire pressure, the engine speed and the engine temperature, the demand power torque is corrected.
11. a kind of electric vehicle, which is characterized in that including such as claim 1-10 any one of them Vehicular electric control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034698.7A CN108248678A (en) | 2018-01-15 | 2018-01-15 | Vehicle-mounted electric control system and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810034698.7A CN108248678A (en) | 2018-01-15 | 2018-01-15 | Vehicle-mounted electric control system and electric automobile |
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| Publication Number | Publication Date |
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| CN108248678A true CN108248678A (en) | 2018-07-06 |
Family
ID=62726806
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810034698.7A Pending CN108248678A (en) | 2018-01-15 | 2018-01-15 | Vehicle-mounted electric control system and electric automobile |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484474A (en) * | 2018-09-19 | 2019-03-19 | 联创汽车电子有限公司 | EPS control module and its control system and control method |
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| CN107571727A (en) * | 2017-09-06 | 2018-01-12 | 南京越博动力系统股份有限公司 | The pure electronic auxiliary system and driving method for driving train motor of Double Motor Control device driving |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484474A (en) * | 2018-09-19 | 2019-03-19 | 联创汽车电子有限公司 | EPS control module and its control system and control method |
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