CN108693788A - A kind of system of the interference of the decoupling steering rack force in electric powered steering - Google Patents
A kind of system of the interference of the decoupling steering rack force in electric powered steering Download PDFInfo
- Publication number
- CN108693788A CN108693788A CN201710215515.7A CN201710215515A CN108693788A CN 108693788 A CN108693788 A CN 108693788A CN 201710215515 A CN201710215515 A CN 201710215515A CN 108693788 A CN108693788 A CN 108693788A
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- module
- steering
- rack force
- cloud server
- electric powered
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
A kind of system of the interference of the decoupling steering rack force in electric powered steering, including:Steering wheel angle sensor, Yaw rate sensor, controller module further include a DTU module, a cloud server, and the controller module connects the DTU module, and the DTU module is wirelessly connected the cloud server;It is equipped with virtual reality in cloud server and diagnoses maintenance module, virtual reality diagnosis maintenance module includes the Mishap Database for being stored with fault message, is stored with the expertise database of solution corresponding with fault message.By adopting the above-described technical solution, the present invention without ready-made network interface or around without 1nternet networks when, technical staff need not be in the action debugging, realize to decoupling steering rack force interferes in electric powered steering system remote maintenance function.
Description
Technical field
The present invention relates to the systems technology field that decoupling steering rack force in electric powered steering interferes, more particularly to one kind are electronic
The system maintenance system that decoupling steering rack force interferes in steering.
Background technology
The system that decoupling steering rack force interferes in existing electric powered steering, when failure, can not achieve remote failure and examine
Disconnected, technical support personnel needs to be in the action, oneself digestion abstractively understands the operation of physical device by the analysis of brain
Situation, analyzing failure cause increase the mental work load of technical staff significantly, influence the efficiency for solving failure problems, drop
The low response speed and service quality of after-sale service.
Invention content
The real time remote maintenance system based on virtual reality technology that the object of the present invention is to provide a kind of, more than solution
Technical problem.
Following technical scheme may be used to realize in technical problem solved by the invention:
A kind of system of the interference of the decoupling steering rack force in electric powered steering, including:Steering wheel angle sensor, yaw rate pass
Sensor, lateral acceleration sensor and steering torque sensor;Tire forcer is arranged to pass from steering wheel angle
Sensor, Yaw rate sensor and lateral acceleration sensor receive signal and will be sent to controller module with reference to rack force;With
And rack force observer, it is arranged to receive signal from steering torque sensor and estimation rack force is sent to controller mould
Block, wherein controller module is arranged to receive signal from tire forcer and rack force observer, by estimation rack force and ginseng
Rack force is examined to be compared so that it is determined that rack force is interfered, and adjusts auxiliary torque based on rack force interference;
Further include a DTU module, a cloud server, the controller module connects the DTU module, the DTU module without
Line connects the cloud server;It is equipped with a virtual reality in the cloud server and diagnoses maintenance module, the virtual reality
Diagnosis maintenance module includes one being stored with the Mishap Database of fault message, one being stored with solution corresponding with fault message
Expertise database;The controller module acquires operation data, and operation data is transmitted to by the DTU module
The cloud server, the cloud server match operation data with the fault message of the Mishap Database, when
When successful match, the solution in corresponding expertise database is called, and send controller module to, realizes long-range event
Hinder processing function.
The DTU module that the present invention is connect by one with controller module, at the scene without ready-made network interface or surrounding nothing
When Internet network, realized to remote maintenance functions by DTU module.In addition, the present invention uses data Auto-matching, from
The dynamic mode for calling solution, the long-range system failure for solving the problems, such as that decoupling steering rack force interferes in electric powered steering, in this way
The failure problems repeated can be automatically performed processing, avoid the unnecessary duplication of labour, technical staff need not also be in the action
Debugging.The present invention's is designed with conducive to improving processing speed, a large amount of manpowers of saving, reducing cost.
The system event that the cloud server connection one is interfered for emulating decoupling steering rack force in display electric powered steering
Hinder the processing unit of position and malfunction;
The cloud server matches operation data with the fault message of the Mishap Database, unsuccessful when matching
When, cloud server sends operation data to the processing unit, and the processing unit is handled according to operation data, imitates
True display fault message, the fault message include the system failure position that decoupling steering rack force interferes in electric powered steering and event
Barrier state, technical staff provide solution according to the fault message that processing unit is shown, and fault message are added to described
Solution is added to the expertise database by Mishap Database.
The processing unit includes a computer, the faulty information emulator software of built-in computer, the computer
It is also connected with the Mishap Database and the expertise database;
When the cloud server sends operation data to the computer, the computer utilizes fault message simulation software
The system failure position that decoupling steering rack force in electric powered steering is interfered and malfunction emulation display, technical staff give in real time
Go out remote solution.
After the DTU module receives the solution of the cloud server transmission, the DTU module passes solution
The controller module is given, operation data is corrected by controller module.Real time remote control modification operating status, provides effect
Rate more quickly solves catastrophic failure, and scene automatically processes failure purpose.
The DTU module connects a display device, the display device include a microprocessor system, one with it is described micro-
The display of type processor system connection, the microprocessor system are built-in with simulation software;When the cloud server will
After solution sends the DTU module to, the DTU module sends solution to the microprocessor system, institute
State system failure position, the failure that microprocessor system is interfered decoupling steering rack force in electric powered steering using simulation software
The emulation display of the method and step of state and solution.Above-mentioned design realizes the purpose of technical staff's in-situ processing failure.
The present invention shows fault message using processing unit emulation, is emulated using display device and shows solution, used
Person need not observe uninteresting data, can intuitively observe the operation shape for the system that decoupling steering rack force interferes in electric powered steering
The solution of state and emulation is conducive to improve treatment effeciency.
The DTU module connects a Geographic mapping module, when the cloud server asks the DTU module to send
When the systematic geography position that decoupling steering rack force interferes in electric powered steering, the DTU module is by the Geographic mapping mould
The location information that block is sent sends the cloud server to.So that cloud server monitors decoupling steering rack in electric powered steering
The accurate location of the system of power interference.
The tamper module that the controller module connection one is arranged in DTU module, the controller module passes through described
Tamper module determines whether the DTU module is removed, and when DTU module is removed, the controller module controls electric rotating
The system interfered to middle decoupling steering rack force can not work normally;
When the cloud server can not establish connection by the DTU module and the controller module, the cloud service
Device carries out alarm.
The controller module also transmits decoupling in electric powered steering and turns to tooth when sending cloud server operation data to
The heat transfer agent of sensor group acquisition in the system of power interference.It is solved so that cloud server further appreciates that in electric powered steering
The operating condition of the system of coupling steering rack force interference.
The operation data includes decoupling steering tooth in steering wheel angle, yaw rate, transverse acceleration and electric powered steering
The system failure code of power interference.
The data content that the cloud server is transmitted to the DTU module includes being stopped, asking failure code, more
New working procedure.
The DTU module is built-in with GPRS transmission module, and the DTU module will run number by the GPRS transmission module
According to being transferred to the cloud server.The present invention carries out remote transmission by GPRT transmission modules, without geographical restrictions, transmits speed
Degree is fast, is conducive to real speed of transmitting and finds and solve catastrophic failure.
The controller module is connect with the DTU module by Serial Port Line.
The DTU module is connect with the display device by communication interface.The communication interface can be RS232 or
USB interfaces.
The cloud server is connect with the processing unit by grid line.
Advantageous effect:By adopting the above-described technical solution, present invention decoupling steering rack force in electric powered steering interferes
System for field without ready-made network interface or surrounding without Internet network when, technical staff need not come to personally in electric powered steering and decouple
The system for field debugging of steering rack force interference, it is remote to realize the system interfered decoupling steering rack force in electric powered steering
Journey maintenance function.The present invention is conducive to improve processing speed, saves a large amount of manpowers, reduces cost.
Description of the drawings
Fig. 1 is the connection diagram of the present invention;
Fig. 2 is the work flow diagram of the present invention.
Specific implementation mode
Following further describes the present invention in conjunction with specific drawings.
Referring to Fig.1, a kind of system of the interference of the decoupling steering rack force in electric powered steering, including:Steering wheel angle passes
Sensor, Yaw rate sensor, lateral acceleration sensor and steering torque sensor;Tire forcer, be arranged to from
Steering wheel angle sensor, Yaw rate sensor and lateral acceleration sensor receive signal and will be sent to control with reference to rack force
Device module processed;And rack force observer, it is arranged to receive signal from steering torque sensor and sends out estimation rack force
It is sent to controller module, wherein controller module is arranged to receive signal from tire forcer and rack force observer, will estimate
It counts rack force and is compared with reference to rack force so that it is determined that rack force is interfered, and is adjusted auxiliary based on rack force interference and turned round
Square;
Further include a DTU module 2, a cloud server 3, controller module 1 connects DTU module 2, and DTU module 2 is wirelessly connected
Cloud server 3.It is equipped with a virtual reality in cloud server 3 and diagnoses maintenance module, virtual reality diagnosis maintenance module includes
One is stored with the Mishap Database of fault message, one is stored with the expertise database of solution corresponding with fault message.
Controller module 1 acquires operation data, and operation data is transmitted to cloud server 3, cloud server 3 by DTU module 2
Operation data is matched with the fault message of Mishap Database, when successful match, calls corresponding expertise data
Solution in library, and send controller module 1 to, realize remote failure processing function.
The DTU module 2 that the present invention is connect by one with controller module 1, decoupling steering rack force is dry in electric powered steering
The system for field disturbed without ready-made network interface or surrounding without Internet network when, realized to electric powered steering by DTU module 2
The system remote maintenance function of middle decoupling steering rack force interference.In addition, the present invention uses data Auto-matching, it is automatic to call solution
The certainly mode of scheme, the long-range system failure for solving the problems, such as that decoupling steering rack force interferes in electric powered steering, the event repeated in this way
Barrier problem can be automatically performed processing, avoid the unnecessary duplication of labour, and technical staff need not also come to personally in electric powered steering and solve
The system for field debugging of coupling steering rack force interference.The present invention's is designed with conducive to improving processing speed, saving a large amount of people
Power reduces cost.
The connection of cloud server 3 one is for emulating the system failure position that decoupling steering rack force interferes in display electric powered steering
It sets and the processing unit of malfunction 4.
Processing unit 4 includes a computer, the faulty information emulator software of built-in computer, and computer is also connected with number of faults
According to library and expertise database.Cloud server 3 matches operation data with the fault message of Mishap Database, when
With it is unsuccessful when, cloud server 3 sends operation data to computer, and computer will be electronic using fault message simulation software
The system failure position and malfunction emulation display that decoupling steering rack force interferes in steering, fault message includes electric powered steering
The system failure position of middle decoupling steering rack force interference and malfunction, the failure that technical staff shows according to processing unit 4
Information provides solution, and fault message is added to Mishap Database, and solution is added to expertise database.
After DTU module 2 receives the solution of the transmission of cloud server 3, DTU module 2 can send solution to
Controller module 1 corrects operation data by controller module 1, is decoupled in real time remote control modification electric powered steering and turn to tooth
The system running state of power interference, provides efficiency, more quickly solves catastrophic failure, scene automatically processes failure purpose.
Mode in addition to following technical staff's manual handle failure other than automatically processing by the way of failure, also can be used:
DTU module 2 connects a display device 5, and display device 5 is connect including a microprocessor system, one with microprocessor system
Display, microprocessor system is built-in with simulation software.When cloud server 3 sends solution to DTU module 2
Afterwards, DTU module 2 sends solution to microprocessor system, and microprocessor system utilizes simulation software by electric rotating
The method and step of system failure position, malfunction and the solution interfered to middle decoupling steering rack force emulates display.This
Invention shows fault message using the emulation of processing unit 4, is emulated using display device 5 and shows that solution, user need not be seen
Uninteresting data are surveyed, can intuitively observe operating status and the emulation of the system that decoupling steering rack force interferes in electric powered steering
Solution, be conducive to improve treatment effeciency.
The purpose of for better after-sale service, the one Geographic mapping module 6 of preferred connection of DTU module 2, geographical location
Locating module 6 can be GPS positioning module, can also use LBS locating modules.When cloud server 3 asks DTU module 2 to be sent out
When sending the systematic geography position that decoupling steering rack force interferes in electric powered steering, DTU module 2 sends out Geographic mapping module 6
The location information sent sends cloud server 3 to.It is interfered so that cloud server 3 monitors decoupling steering rack force in electric powered steering
System accurate location.
The tamper module 7 that the connection of controller module 1 one is arranged in DTU module 2, controller module 1 pass through tamper module 7
Determine whether DTU module 2 is removed, when DTU module 2 is removed, controller module 1 controls decoupling in electric powered steering and turns to tooth
The system of power interference can not work normally.Cloud server 3 can not be established by DTU module 2 and controller module 1 and be connected
When, cloud server 3 carries out alarm.Certainly, when the payment for the system that decoupling steering rack force interferes in electric powered steering is complete
Cheng Hou, cloud server 3 can be changed the parameter of controller module 1 by DTU module 2, both be removed tamper module 7, electricity
The system that turn is interfered to middle decoupling steering rack force can still work normally.
Controller module 1 also transmits decoupling steering rack in electric powered steering when sending 3 operation data of cloud server to
The heat transfer agent of sensor group acquisition in the system of power interference.It is solved so that cloud server 3 further appreciates that in electric powered steering
The operating condition of the system of coupling steering rack force interference.Operation data include steering wheel angle, yaw rate, transverse acceleration and
The system failure code that decoupling steering rack force interferes in electric powered steering.In the data that cloud server 3 is transmitted to DTU module 2
Hold includes being stopped, asking failure code, update working procedure.
DTU module 2 is built-in with GPRS transmission module, and operation data is transferred to cloud by DTU module 2 by GPRS transmission module
Hold server 3.The present invention by GPRT transmission modules carry out remote transmission, without geographical restrictions, transmission speed it is fast, be conducive to reality
When quickly find and solve catastrophic failure.
The connection type of each intermodule of the present invention can be used such as under type:Controller module passes through Serial Port Line with DTU module 2
Connection.DTU module 2 is connect with display device 5 by communication interface.Communication interface can be RS232 or USB interface.High in the clouds takes
Business device 3 is connect with processing unit 4 by grid line.
With reference to Fig. 2, fault handling method of the invention is specific as follows:
I) data acquire:Controller module 1 is established with cloud server 3 by the request of DTU module 2 and is connected;After establishing connection,
Collected operation data is sent to cloud server 3 by controller module 1;
2) judge matching:Cloud server 3 receives operation data, operation data is matched with Mishap Database, judgement is
No successful match;
3) solution is transferred:If successful match, cloud server 3 transfers the solution in expertise database, and
It is sent to DTU module 2;
4) artificial treatment:If matching is failed, operation data is sent to processing unit 4, processing unit 4 by cloud server 3
Emulation is carried out using fault message simulation software to show, so that technical staff drives solution in time;
5) interpolation data:Technical staff is determining and after inputting solution, and fault message is stored in fault data by cloud server
In library, corresponding solution is stored in expertise database, and solution is sent to DTU module 2;
6) emulation display:After DTU module 2 receives solution, it is sent to display device 5, display device 5 utilizes simulation software
Simulating solutions, in order to which technical staff intuitively checks.
The basic principles and main features advantages of the present invention of the present invention is shown and described above.The technical staff of the industry
It should be recognized that the present invention is not limited by above-mentioned application method, only the present invention is said described in above-mentioned application method and specification
Principle, various changes and improvements may be made to the invention without departing from the spirit and scope of the present invention, these variation and
Improvement both falls in the claimed scope of the invention claimed scope of the invention by appended claims and its equivalent
It defines.
Claims (8)
1. a kind of system of the interference of the decoupling steering rack force in electric powered steering, including:Steering wheel angle sensor, yaw rate
Sensor, lateral acceleration sensor and steering torque sensor;Tire forcer is arranged to from steering wheel angle
Sensor, Yaw rate sensor and lateral acceleration sensor receive signal and will be sent to controller module with reference to rack force;
And rack force observer, it is arranged to receive signal from steering torque sensor and estimation rack force is sent to controller
Module, wherein controller module is arranged to receive signal from tire forcer and rack force observer, will estimation rack force and
It is compared with reference to rack force so that it is determined that rack force is interfered, and adjusts auxiliary torque based on rack force interference;
Further include a DTU module, a cloud server, the controller module connects the DTU module, the DTU module without
Line connects the cloud server;It is equipped with a virtual reality in the cloud server and diagnoses maintenance module, the virtual reality
Diagnosis maintenance module includes one being stored with the Mishap Database of fault message, one being stored with solution corresponding with fault message
Expertise database;The controller module acquires operation data, and operation data is transmitted to by the DTU module
The cloud server, the cloud server match operation data with the fault message of the Mishap Database, when
When successful match, the solution in corresponding expertise database is called, and send controller module to, realizes long-range event
Hinder processing function;Cloud server connection one is for emulate decoupling steering rack force interference in display electric powered steering
The processing unit for the abort situation and malfunction of uniting;The cloud server by operation data and the Mishap Database therefore
Barrier information is matched, and when matching unsuccessful, cloud server sends operation data to the processing unit, the processing
Device is handled according to operation data, and emulation shows that fault message, the fault message include decoupling to turn in electric powered steering
The system failure position of rack force interference and malfunction, technical staff provide solution according to the fault message that processing unit is shown
Scheme, and fault message is added to the Mishap Database, solution is added to the expertise database.
2. the system that decoupling steering rack force interferes in electric powered steering according to claim 1, it is characterised in that:The processing
Device includes a computer, the faulty information emulator software of built-in computer, and the computer is also connected with the number of faults
According to library and the expertise database;When the cloud server sends operation data to the computer, the meter
Calculation machine utilizes fault message simulation software by the system failure position of decoupling steering rack force interference and failure shape in electric powered steering
State emulation display, technical staff provide remote solution in real time.
3. the system that decoupling steering rack force interferes in electric powered steering according to claim 1 or claim 2, it is characterised in that:It is described
After DTU module receives the solution of the cloud server transmission, the DTU module sends solution to the control
Device module corrects operation data by controller module.
4. the system that decoupling steering rack force interferes in electric powered steering according to claim 1 or claim 2, it is characterised in that:It is described
DTU module connects a display device, and the display device includes a microprocessor system, one and the microprocessor system
The display of connection, the microprocessor system are built-in with simulation software;When the cloud server transmits solution
After the DTU module, the DTU module sends solution to the microprocessor system, the microprocessor
System failure position, malfunction and the solution party that system is interfered decoupling steering rack force in electric powered steering using simulation software
The method and step emulation display of case.
5. the system that decoupling steering rack force interferes in electric powered steering according to claim 1 or claim 2, it is characterised in that:It is described
DTU module connects a Geographic mapping module, asks the DTU module to send in electric powered steering when the cloud server and solves
When the systematic geography position of coupling steering rack force interference, position that the DTU module sends the Geographic mapping module
Information sends the cloud server to.
6. the system that decoupling steering rack force interferes in electric powered steering according to claim 5, it is characterised in that:The control
The tamper module that device module connection one is arranged in DTU module, the controller module pass through described in tamper module determination
Whether DTU module is removed, when DTU module is removed, decoupling steering rack in the controller module control electric powered steering
The system of power interference can not work normally;The cloud server can not be built by the DTU module and the controller module
When vertical connection, the cloud server carries out alarm.
7. the system that decoupling steering rack force interferes in electric powered steering according to claim 1, it is characterised in that:The control
Device also transmits the biography in the system that decoupling steering rack force interferes in electric powered steering when sending cloud server operation data to
The heat transfer agent of sensor group acquisition.
8. the system that decoupling steering rack force interferes in electric powered steering according to claim 1 or claim 2, it is characterised in that:It is described
DTU module is built-in with GPRS transmission module, and operation data is transferred to described by the DTU module by the GPRS transmission module
Cloud server.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215515.7A CN108693788A (en) | 2017-04-04 | 2017-04-04 | A kind of system of the interference of the decoupling steering rack force in electric powered steering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710215515.7A CN108693788A (en) | 2017-04-04 | 2017-04-04 | A kind of system of the interference of the decoupling steering rack force in electric powered steering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108693788A true CN108693788A (en) | 2018-10-23 |
Family
ID=63841818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710215515.7A Pending CN108693788A (en) | 2017-04-04 | 2017-04-04 | A kind of system of the interference of the decoupling steering rack force in electric powered steering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108693788A (en) |
-
2017
- 2017-04-04 CN CN201710215515.7A patent/CN108693788A/en active Pending
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181023 |