CN208530686U - Electric Power Steering Control System - Google Patents
Electric Power Steering Control System Download PDFInfo
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- CN208530686U CN208530686U CN201820969893.4U CN201820969893U CN208530686U CN 208530686 U CN208530686 U CN 208530686U CN 201820969893 U CN201820969893 U CN 201820969893U CN 208530686 U CN208530686 U CN 208530686U
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Abstract
The utility model provides a kind of Electric Power Steering Control System, comprising: the first signal acquisition module, second signal acquisition module, the first control module, the second control module, the first drive circuit module, the second drive circuit module and double winding assist motor；First signal acquisition module is connect with the first control module, for acquiring signal for the first control module input first；First control module is connect with the first drive circuit module, and the second control module is connect with the second drive circuit module；First control module is used to calculate power-assisted information according to the first acquisition signal, and sends first control signal to the first drive circuit module according to power-assisted information；Two drive circuit modules are connect with double winding assist motor respectively, are respectively used to two windings of motor.Electric Power Steering Control System provided by the utility model can greatly reduce steering system failure rate by the Redundancy Design to controller, power supply, motor-drive circuit etc..
Description
Technical field
The utility model relates to technical field of automobile electronic control more particularly to a kind of Electric Power Steering Control Systems.
Background technique
In order to mitigate the operating force of driver on the steering wheel, the device that steering subsidy power is generated using extrinsic power is claimed
For power steering apparatus.Servo steering system common at present has hydraulic power-assist steering system, Electro-Hydraulic Power Steering System
And electric boosting steering system, electric boosting steering system is simple by its structure, assembly is flexible, energy conservation and environmental protection, power-assisted are with vehicle
The advantages that speed is variable and the favor by user.
In the prior art, electric boosting steering system is by by torque sensor and from the speed signal of CAN message
Electric booster steering controller is inputed to, steering force, and driving motor are then calculated by electric booster steering controller
Operating, provides power steering, at the same until controller acquisition motor, current of electric and the temperature for driving bridge circuit, it is different to motor
Normal working order is protected.
Since in above process, torque sensor, CAN interface, microprocessor (MCU), motor-drive circuit etc. are
Single circuit lacks redundancy backup, once any device in this link damages, electrical power-assisted steering function just will appear
Larger security risk, steering system crash rate is high, and vehicle security is low.
Utility model content
The utility model provides a kind of Electric Power Steering Control System, the Electric Power Steering Control System by pair
The Redundancy Design of controller, power supply, motor-drive circuit etc. can greatly reduce steering system failure rate.
The utility model provides a kind of Electric Power Steering Control System, comprising: the first signal acquisition module, second signal
Acquisition module, the first control module, the second control module, the first drive circuit module, the second drive circuit module and double winding
Assist motor；
First signal acquisition module is connect with first control module, for inputting for first control module
First acquisition signal；The second signal acquisition module is connect with second control module, for controlling mould for described second
Block input the second acquisition signal；First control module is connect with first drive circuit module, the second control mould
Block is connect with second drive circuit module；First control module is used to calculate power-assisted according to the first acquisition signal
Information, and first control signal is sent to first drive circuit module according to the power-assisted information；The second control mould
Block is used to calculate power-assisted information according to the second acquisition signal, and sends second control signal to institute according to the power-assisted information
State the second drive circuit module；First drive circuit module and second drive circuit module respectively with the double winding
Assist motor connection, is respectively used to drive two windings of the double winding assist motor；
First control module and second control module communication connection.
Electric Power Steering Control System provided by the embodiment of the utility model is provided with two sets of internal control circuits,
When a set of control circuit breaks down, another set of control circuit can also continue to work, avoid causing because power steering fails
Security incident, steering system crash rate can be reduced, improve the safety of vehicle.
The Electric Power Steering Control System, further includes: the first power module and second power supply module；
First power module and first control module, first signal acquisition module, first driving
Circuit module is separately connected；It is the second power supply module and second control module, the second signal acquisition module, described
Second drive circuit module is separately connected.
Further, first signal acquisition module includes: the first torque sensor and first interface, and described first turns round
Square sensor is connect with first control module, and first control module passes through the first interface and controller LAN
The connection of network CAN bus；
The second signal acquisition module includes: the second torque sensor and second interface, second torque sensor
It is connect with second control module, second control module passes through the second interface and the controller local area network
CAN bus connection；
The first acquisition signal includes torque signal from first torque sensor and from the controller
The speed signal of local area network CAN bus, engine rotational speed signal；The second acquisition signal includes coming from second torque
The torque signal of sensor and the speed signal from controller local area network's CAN bus, engine rotational speed signal.
Further, first drive circuit module includes the first gate driver and connect with first gate driver
The first power inverter, first gate driver connect with first control module, first power inverter with
The double winding assist motor connection；
Second drive circuit module includes the second gate driver and the second function for connecting with second gate driver
Rate inverter, second gate driver are connect with second control module, second power inverter and the double wrap
Group assist motor connection.
Further, first power module includes the first battery, first voltage adjuster and the first electric power disconnection
Device, the first voltage adjuster and the first power circuit breaker are connect with first battery respectively, the first control mould
Block, the first interface and first torque sensor are connect with the first voltage adjuster respectively, first drive
Dynamic device and first power inverter are connect with first power circuit breaker respectively；
The second power supply module includes the second battery, second voltage adjuster and second source breaker, and described the
Two voltage regulators and second source breaker are connect with second battery respectively, second control module, described
Two interfaces and second torque sensor are connect with the second voltage adjuster respectively, second gate driver and described
Second power inverter is connect with the second source breaker respectively.
Further, first signal acquisition module further include: the first current sensor, first current sensor
For acquiring the first electric current of the double winding assist motor, first current sensor and first control module connect
It connects, first control module is for being adjusted the current information of the first control signal according to first electric current；
The second signal acquisition module further include: the second current sensor, second current sensor is for acquiring
Second electric current of the double winding assist motor, second current sensor are connect with second control module, and described
Two control modules are for being adjusted the current information of the second control signal according to second electric current.
Further, first signal acquisition module further include: the first temperature sensor, first temperature sensor
For acquiring the temperature of first drive circuit module, first temperature sensor is connect with first control module；
The second signal acquisition module further include: second temperature sensor, the second temperature sensor is for acquiring
The temperature of second drive circuit module, the second temperature sensor are connect with second control module.
Further, first signal acquisition module further include: first motor position sensor, the first motor position
Sensor is set for acquiring the position of the double winding assist motor, the first motor position sensor and first control
Module connection；
The second signal acquisition module further include: the second motor position sensor, second motor position sensor
For acquiring the position of the double winding assist motor, second motor position sensor and second control module connect
It connects.
Further, first control module and second control module are micro-control unit MCU.
Further, first control module and second control module pass through controller local area network's CAN bus
Or serial peripheral equipment interface SPI bus communication connection.
Electric Power Steering Control System provided by the embodiment of the utility model is provided with two sets of internal control circuits,
When a set of control circuit breaks down, another set of control circuit can also continue to work, avoid causing because power steering fails
Security incident, steering system crash rate can be reduced, improve the safety of vehicle；Two sets of control circuits are using two sets of power supplys point
With circuit, to avoid common cause failure；The information collecting devices such as torque sensor, temperature sensor, position sensor are also required to set
Two sets of independences are set, to avoid common cause failure.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is
Some embodiments of the utility model, for those of ordinary skill in the art, in the premise of not making the creative labor property
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of Electric Power Steering Control System provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram for the Electric Power Steering Control System that another embodiment of the utility model provides.
Appended drawing reference:
The first signal acquisition module of 11-
The first torque sensor of 111-
112- first interface
The first current sensor of 113-
The first temperature sensor of 114-
115- first motor position sensor
12- second signal acquisition module
The second torque sensor of 121-
122- second interface
The second current sensor of 123-
124- second temperature sensor
The second motor position sensor of 125-
The first control module of 21-
The second control module of 22-
The first drive circuit module of 31-
The first gate driver of 311-
The first power inverter of 312-
The second drive circuit module of 32-
The second gate driver of 321-
The second power inverter of 322-
40- double winding assist motor
The first power module of 51-
The first battery of 511-
512- first voltage adjuster
The first power circuit breaker of 513-
52- second power supply module
The second battery of 521-
522- second voltage adjuster
523- second source breaker
60- controller local area network CAN bus
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction in the utility model
The technical solution in the utility model is clearly and completely described in attached drawing, it is clear that described embodiment is that this is practical
Novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
Below with reference to the accompanying drawings and in conjunction with specific embodiments the utility model is described.
Fig. 1 is the structural schematic diagram of Electric Power Steering Control System provided by the embodiment of the utility model, with reference to Fig. 1 institute
Show, the utility model provides a kind of Electric Power Steering Control System, comprising: the first signal acquisition module 11, second signal are adopted
Collect module 12, the first control module 21, the second control module 22, the first drive circuit module 31, the second drive circuit module 32
With double winding assist motor 40.
First signal acquisition module 11 is connect with the first control module 21, for adopting for the first control module 21 input first
Collect signal；Second signal acquisition module 12 is connect with the second control module 22, for adopting for the second control module 22 input second
Collect signal；First control module 21 is connect with the first drive circuit module 31, the second control module 22 and the second driving circuit mould
Block 32 connects；First control module 21 is used to calculate power-assisted information according to the first acquisition signal, and sends the according to power-assisted information
One control signal to the first drive circuit module 31；Second control module 22 is used to calculate power-assisted letter according to the second acquisition signal
Breath, and second control signal is sent to the second drive circuit module 32 according to power-assisted information；First drive circuit module 31 and
Two drive circuit modules 32 are connect with double winding assist motor 40 respectively, are respectively used to two of driving double winding assist motor 40
Winding；First control module 21 and the communication connection of the second control module 22.
The working principle of above-mentioned Electric Power Steering Control System is that signal acquisition module acquires torque sensor, speed
Equal signals are inputted to control module, and control module calculates power-assisted according to collected signal, and is sent and controlled according to power-assisted
Signal processed, control drive circuit module driving double winding assist motor 40 export power-assisted.
Failure, Electric Power Steering Control System provided by the embodiment of the utility model are caused after single point failure in order to prevent
Including two sets of internal control circuits, two sets of internal control circuits control two windings of double winding assist motor 40 respectively, make double
Winding assist motor 40 provides 100% design power-assisted.If failure has occurred in the link of a set of control circuit, another set of control
Circuit processed can also continue to work, provide 50% design power-assisted.Setting can make in automatic Pilot or semi-automatic in this way
Under the operating condition of driving, the vehicle adjustment direction disk that can degrade drives to roadside, avoid turning to fail caused by security incident.
Specifically, first set internal control circuit includes the first signal acquisition module 11, the drive of the first control module 12, first
Dynamic circuit module 13, second set of internal control circuit include second signal acquisition module 22, the driving of the second control module 22, second
Circuit module 23.First set internal control circuit and second set of internal control circuit are relatively independent, are provided commonly for control double winding
Assist motor 40.Wherein, the first control module 21 and the communication connection of the second control module 22, in order to two sets of internal control circuits
Communication.
Electric Power Steering Control System provided by the embodiment of the utility model is provided with two sets of internal control circuits,
When a set of control circuit breaks down, another set of control circuit can also continue to work, avoid causing because power steering fails
Security incident, steering system crash rate can be reduced, improve the safety of vehicle.
More detailed embodiment is used below, and the structure of each component is described in detail.
Fig. 2 is the structural schematic diagram for the Electric Power Steering Control System that another embodiment of the utility model provides, reference
Shown in Fig. 1 and Fig. 2, Electric Power Steering Control System provided by the embodiment of the utility model further include: the first power module 51
With second power supply module 52；First power module 51 and the first control module 21, the first signal acquisition module 11, first driving electricity
Road module 31 is separately connected；Second power supply module 52 and the second control module 55, the driving electricity of second signal acquisition module 12, second
Road module 32 is separately connected.
First power module 51 is used to be the first control module 21, the first signal acquisition module 11, the first driving circuit mould
Block 31 provides power supply, and second power supply module 52 is used for as the second control module 55, the driving electricity of second signal acquisition module 12, second
Road module 32 provides power supply.Two sets of power distribution circuits are respectively adopted in two sets of control circuits, to avoid common cause failure.
Further, the first signal acquisition module 11 includes: the first torque sensor 111 and first interface 112, and first turns round
Square sensor 111 is connect with the first control module 21, and the first control module 21 passes through first interface 112 and controller local area network
CAN bus 60 connects；Second signal acquisition module 12 includes: the second torque sensor 121 and second interface 122, the second torque
Sensor 121 is connect with the second control module 22, and the second control module 22 passes through second interface 122 and controller local area network
CAN bus 60 connects.
Wherein, the first acquisition signal includes torque signal from the first torque sensor 111 and from controller local
The speed signal of network C AN bus 60, engine rotational speed signal；Second acquisition signal includes coming from the second torque sensor 121
Torque signal and the speed signal from controller local area network's CAN bus 60, engine rotational speed signal.
First torque sensor 111 and the second torque sensor 121 are for detecting vehicle driver in steering operation when side
The torque generated to disk or the size and Orientation delivered, and the steering of driver is intended to send respectively in a manner of electric signal
To the first control module 21 and the second control module 22.The first control module 21 and the second control module 22 are respectively by the simultaneously
One interface 112 and second interface 122 receive the signals such as speed, engine speed from controller local area network's CAN bus.Root
According to these signals, the first control module 21 and the second control module 22 can calculate separately out power-assisted information.First torque sensor
111 and second torque sensor 121 be completely independent, to avoid common cause failure.
Specifically, the first drive circuit module 31 includes the first gate driver 311 and connect with the first gate driver 311
First power inverter 312, the first gate driver 311 are connect with the first control module 21, the first power inverter 312 and double wrap
Group assist motor 40 connects；Second drive circuit module 32 includes the second gate driver 321 and connect with the second gate driver 321
The second power inverter 322, the second gate driver 321 connect with the second control module 22, the second power inverter 322 with it is double
Winding assist motor 40 connects.
It continues to refer to figure 1 with shown in Fig. 2, the first power module 51 includes the first battery 511, first voltage adjuster
512 and first power circuit breaker 513, first voltage adjuster 512 and the first power circuit breaker 513 respectively with the first battery
511 connection, the first control module 21, first interface 112 and the first torque sensor 111 respectively with first voltage adjuster 512
Connection, the first gate driver 311 and the first power inverter 312 are connect with the first power circuit breaker 513 respectively；Second source mould
Block 52 includes the second battery 521, second voltage adjuster 522 and second source breaker 523, second voltage adjuster 522
It is connect respectively with the second battery 521 with second source breaker 523, the second control module 22, second interface 122 and second are turned round
Square sensor 121 is connect with second voltage adjuster 522 respectively, the second gate driver 321 and the second power inverter 322 difference
It is connect with second source breaker 523.
Two sets of power distribution circuits are respectively adopted in two sets of control circuits, to avoid common cause failure.First battery 511 and
Two batteries 521 are connected to the different insurances or relay of battery on vehicle, to avoid common cause failure.First
Voltage regulator 512 and second voltage adjuster 522 are respectively used to the voltage to the first battery 511 and the second battery 522
Stable regulation is carried out, the voltage after stable regulation is exported again to control module and circuit drives module.
Since the first gate driver 311 and the first power inverter 312 have capacitor or inductance component, when cutting the
After the electric current of one battery 511, the first gate driver 311 and the first power inverter 312 cannot power off in time, may make
At safety accident, therefore, the first power circuit breaker 513 is set, with when there are the excessive equal dangerous situations of electric current directly and quickly
Disconnect the electric current of the first gate driver 311 and the first power inverter 312.It is to be appreciated that the work of second source breaker 523
Make principle similarly, details are not described herein.
First power circuit breaker 513 and second source breaker 523 pass through the first control module 21 and the second control respectively
Module 22 controls, and specifically, the first control module 21 and the second control module 22 need to occur in judgement that electric current is excessive, temperature mistake
When the dangerous situations such as high, motor position deviation, controls the first power circuit breaker 513 and second source breaker 523 works.This is sentenced
Disconnected foundation can refer to following embodiments.
On the basis of above-mentioned utility model embodiment, the first signal acquisition module 11 further include: the first current sensor
113, the first current sensor 113 is used to acquire the first electric current of double winding assist motor 40, the first current sensor 113 and the
The connection of one control module 21, the first control module 21 according to current information of first electric current to first control signal for adjusting
Section；Second signal acquisition module 12 further include: the second current sensor 123, the second current sensor 123 is for acquiring double winding
Second electric current of assist motor 40, the second current sensor 123 are connect with the second control module 22, and the second control module 22 is used for
It is adjusted according to current information of second electric current to second control signal.
First current sensor 113 measure double winding assist motor 40 electric current, by its with control signal in include electricity
Stream information compares, and to realize closed-loop control, the electric current that can be adjusted in time in control signal changes, and when the first current sensor
When 113 electric currents monitored are abnormal, the first control module 21 can control the first power circuit breaker 513 cutting first in time
The power supply of drive circuit module 31, to play the role of safeguard protection.The effect of second current sensor 123 is similarly.First electric current
Sensor 113 and the second current sensor 123 are completely independent setting, to avoid common cause failure.
Further, the first signal acquisition module 11 further include: the first temperature sensor 114, the first temperature sensor 114
For acquiring the temperature of the first drive circuit module 31, the first temperature sensor 114 is connect with the first control module 21；Second letter
Number acquisition module 12 further include: second temperature sensor 124, second temperature sensor 124 is for acquiring the second driving circuit mould
The temperature of block 32, second temperature sensor 124 are connect with the second control module 22.
First temperature sensor 114 measures the temperature of the first drive circuit module 31, and its temperature information is passed to the
One control module 12 is cut so that the first control module 12 controls the first power circuit breaker 513 when temperature is abnormal in time
The power supply of disconnected first drive circuit module 31 protects the heat of the first drive circuit module 31 and double winding assist motor 40 with playing
Shield.The effect of second temperature sensor 124 is similarly.First temperature sensor 114 and second temperature sensor 124 are completely independent and set
It sets, to avoid common cause failure.
Optionally, the first signal acquisition module 11 further include: first motor position sensor 115, first motor position pass
Sensor 115 is used to acquire the position of double winding assist motor 40, and first motor position sensor 115 and the first control module 21 connect
It connects；Second signal acquisition module 12 further include: the second motor position sensor 125, the second motor position sensor 125 is for adopting
Collect the position of double winding assist motor 40, the second motor position sensor 125 is connect with the second control module 22.
First motor position sensor 115 is used to acquire the position of double winding assist motor 40, and its location information is passed
The first control module 12 is passed, so that the first control module 12 is timely when the position of double winding assist motor 40 is abnormal
The power supply that the first power circuit breaker 513 cuts off the first drive circuit module 31 is controlled, prevents double winding assist motor 40 to play
The effect of stall.The effect of second motor position sensor 125 is similarly.First motor position sensor 115 and the second motor position
It sets sensor 125 and is completely independent setting, to avoid common cause failure.
Optionally, the first control module 21 and the second control module 22 are micro-control unit MCU.Further, first
Control module 21 and the second control module 22 are logical by controller local area network's CAN bus or serial peripheral equipment interface SPI bus
Letter connection, to carry out data sharing.
Electric Power Steering Control System provided by the embodiment of the utility model is provided with two sets of internal control circuits,
When a set of control circuit breaks down, another set of control circuit can also continue to work, avoid causing because power steering fails
Security incident, steering system crash rate can be reduced, improve the safety of vehicle；Two sets of control circuits are using two sets of power supplys point
With circuit, to avoid common cause failure；The information collecting devices such as torque sensor, temperature sensor, position sensor are also required to set
Two sets of independences are set, to avoid common cause failure.
In the description of the present invention, it should be understood that term " first ", " second " are used for description purposes only, and
It cannot be understood as indicating or implying relative importance or implicitly indicate the quantity of indicated technical characteristic.It defines as a result,
The feature of " first ", " second " can explicitly or implicitly include one or more of the features.In the utility model
In description, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. shall be understood in a broad sense, such as may be a fixed connection, may be a detachable connection, or be integrally formed；It can be machinery
Connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements can be made.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. a kind of Electric Power Steering Control System characterized by comprising the first signal acquisition module, second signal acquisition
Module, the first control module, the second control module, the first drive circuit module, the second drive circuit module and double winding power-assisted
Motor；
First signal acquisition module is connect with first control module, for inputting first for first control module
Acquire signal；The second signal acquisition module is connect with second control module, for being that second control module is defeated
Enter the second acquisition signal；First control module is connect with first drive circuit module, second control module with
The second drive circuit module connection；First control module is used to calculate power-assisted letter according to the first acquisition signal
Breath, and first control signal is sent to first drive circuit module according to the power-assisted information；Second control module
For calculating power-assisted information according to the second acquisition signal, and second control signal is sent to described according to the power-assisted information
Second drive circuit module；First drive circuit module and second drive circuit module are helped with the double winding respectively
Force motor connection, is respectively used to drive two windings of the double winding assist motor；
First control module and second control module communication connection.
2. Electric Power Steering Control System according to claim 1, which is characterized in that further include: the first power module
And second power supply module；
First power module and first control module, first signal acquisition module, first driving circuit
Module is separately connected；The second power supply module and second control module, the second signal acquisition module, described second
Drive circuit module is separately connected.
3. Electric Power Steering Control System according to claim 2, which is characterized in that
First signal acquisition module includes: the first torque sensor and first interface, first torque sensor and institute
The connection of the first control module is stated, first control module is connected by the first interface and controller local area network's CAN bus
It connects；
The second signal acquisition module includes: the second torque sensor and second interface, second torque sensor and institute
The connection of the second control module is stated, second control module is total by the second interface and the controller local area network CAN
Line connection；
The first acquisition signal includes torque signal from first torque sensor and from the controller local
The speed signal of network C AN bus, engine rotational speed signal；The second acquisition signal includes coming from second torque sensing
The torque signal of device and the speed signal from controller local area network's CAN bus, engine rotational speed signal.
4. Electric Power Steering Control System according to claim 3, which is characterized in that
First drive circuit module includes that the first gate driver and the first power connecting with first gate driver are inverse
Become device, first gate driver is connect with first control module, and first power inverter is helped with the double winding
Force motor connection；
Second drive circuit module includes that the second gate driver and the second power connecting with second gate driver are inverse
Become device, second gate driver is connect with second control module, and second power inverter is helped with the double winding
Force motor connection.
5. Electric Power Steering Control System according to claim 4, which is characterized in that
First power module includes the first battery, first voltage adjuster and the first power circuit breaker, first electricity
Pressure adjuster and the first power circuit breaker are connect with first battery respectively, and first control module, described first connect
Mouth and first torque sensor are connect with the first voltage adjuster respectively, first gate driver and described first
Power inverter is connect with first power circuit breaker respectively；
The second power supply module includes the second battery, second voltage adjuster and second source breaker, second electricity
Pressure adjuster and second source breaker are connect with second battery respectively, and second control module, described second connect
Mouth and second torque sensor are connect with the second voltage adjuster respectively, second gate driver and described second
Power inverter is connect with the second source breaker respectively.
6. Electric Power Steering Control System according to claim 3, which is characterized in that
First signal acquisition module further include: the first current sensor, first current sensor are described for acquiring
First electric current of double winding assist motor, first current sensor are connect with first control module, first control
Molding block is for being adjusted the current information of the first control signal according to first electric current；
The second signal acquisition module further include: the second current sensor, second current sensor are described for acquiring
Second electric current of double winding assist motor, second current sensor are connect with second control module, second control
Molding block is for being adjusted the current information of the second control signal according to second electric current.
7. Electric Power Steering Control System according to claim 6, which is characterized in that
First signal acquisition module further include: the first temperature sensor, first temperature sensor are described for acquiring
The temperature of first drive circuit module, first temperature sensor are connect with first control module；
The second signal acquisition module further include: second temperature sensor, the second temperature sensor are described for acquiring
The temperature of second drive circuit module, the second temperature sensor are connect with second control module.
8. Electric Power Steering Control System according to claim 7, which is characterized in that
First signal acquisition module further include: first motor position sensor, the first motor position sensor are used for
The position of the double winding assist motor is acquired, the first motor position sensor is connect with first control module；
The second signal acquisition module further include: the second motor position sensor, second motor position sensor are used for
The position of the double winding assist motor is acquired, second motor position sensor is connect with second control module.
9. Electric Power Steering Control System according to claim 1-8, which is characterized in that first control
Module and second control module are micro-control unit MCU.
10. Electric Power Steering Control System according to claim 9, which is characterized in that first control module and
Second control module is connected by controller local area network's CAN bus or serial peripheral equipment interface SPI bus communication.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969893.4U CN208530686U (en) | 2018-06-22 | 2018-06-22 | Electric Power Steering Control System |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820969893.4U CN208530686U (en) | 2018-06-22 | 2018-06-22 | Electric Power Steering Control System |
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| CN208530686U true CN208530686U (en) | 2019-02-22 |
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| CN201820969893.4U Active CN208530686U (en) | 2018-06-22 | 2018-06-22 | Electric Power Steering Control System |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111361634A (en) * | 2020-04-02 | 2020-07-03 | 株洲易力达机电有限公司 | Electric power steering system |
| CN111564993A (en) * | 2020-05-13 | 2020-08-21 | 上海追锋汽车系统有限公司 | Operation method of double-winding direct current brushless motor redundancy control system |
| WO2020173122A1 (en) * | 2019-02-25 | 2020-09-03 | 南京航空航天大学 | Dual-electric-motor dual-power supply steer-by-wire system and fault-tolerant control method therefor |
| CN112550432A (en) * | 2019-09-26 | 2021-03-26 | 上海汽车集团股份有限公司 | Steering system and transportation tool |
| CN112660235A (en) * | 2020-12-28 | 2021-04-16 | 嬴彻科技(浙江)有限公司 | Redundant power steering system, control method thereof and vehicle |
| CN113460152A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Electric power steering device and control method thereof |
| CN113511260A (en) * | 2021-07-06 | 2021-10-19 | 中汽创智科技有限公司 | Control circuit, control method and storage medium of electric control steering system |
| CN113644845A (en) * | 2020-04-27 | 2021-11-12 | 上海汽车工业(集团)总公司 | Motor sensor redundancy system for electric power steering system and control method thereof |
| CN114560009A (en) * | 2022-02-18 | 2022-05-31 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Control system, method and device applied to automatic driving of vehicle |
| CN115214765A (en) * | 2022-01-04 | 2022-10-21 | 广州汽车集团股份有限公司 | Redundant power-assisted steering system and vehicle |
| WO2024040808A1 (en) * | 2022-08-24 | 2024-02-29 | 合众新能源汽车股份有限公司 | Skateboard chassis steering system, skateboard chassis, and vehicle |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173122A1 (en) * | 2019-02-25 | 2020-09-03 | 南京航空航天大学 | Dual-electric-motor dual-power supply steer-by-wire system and fault-tolerant control method therefor |
| CN112550432A (en) * | 2019-09-26 | 2021-03-26 | 上海汽车集团股份有限公司 | Steering system and transportation tool |
| WO2021196940A1 (en) * | 2020-03-31 | 2021-10-07 | 华为技术有限公司 | Electric power steering device and method for controlling same |
| CN113460152A (en) * | 2020-03-31 | 2021-10-01 | 华为技术有限公司 | Electric power steering device and control method thereof |
| CN113460152B (en) * | 2020-03-31 | 2023-03-03 | 华为技术有限公司 | Electric power steering device and control method thereof |
| CN111361634A (en) * | 2020-04-02 | 2020-07-03 | 株洲易力达机电有限公司 | Electric power steering system |
| CN113644845A (en) * | 2020-04-27 | 2021-11-12 | 上海汽车工业(集团)总公司 | Motor sensor redundancy system for electric power steering system and control method thereof |
| CN111564993A (en) * | 2020-05-13 | 2020-08-21 | 上海追锋汽车系统有限公司 | Operation method of double-winding direct current brushless motor redundancy control system |
| CN112660235A (en) * | 2020-12-28 | 2021-04-16 | 嬴彻科技(浙江)有限公司 | Redundant power steering system, control method thereof and vehicle |
| CN113511260A (en) * | 2021-07-06 | 2021-10-19 | 中汽创智科技有限公司 | Control circuit, control method and storage medium of electric control steering system |
| CN115214765A (en) * | 2022-01-04 | 2022-10-21 | 广州汽车集团股份有限公司 | Redundant power-assisted steering system and vehicle |
| CN114560009A (en) * | 2022-02-18 | 2022-05-31 | 恒大恒驰新能源汽车研究院(上海)有限公司 | Control system, method and device applied to automatic driving of vehicle |
| WO2024040808A1 (en) * | 2022-08-24 | 2024-02-29 | 合众新能源汽车股份有限公司 | Skateboard chassis steering system, skateboard chassis, and vehicle |
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