CN107031705A - Power steering hierarchical control system and method - Google Patents
Power steering hierarchical control system and method Download PDFInfo
- Publication number
- CN107031705A CN107031705A CN201610877236.2A CN201610877236A CN107031705A CN 107031705 A CN107031705 A CN 107031705A CN 201610877236 A CN201610877236 A CN 201610877236A CN 107031705 A CN107031705 A CN 107031705A
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- Prior art keywords
- power
- assisted
- grade
- signal
- tooth
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Classifications
-
- 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
- B62D5/0457—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear characterised by control features of the drive means as such
- B62D5/046—Controlling the motor
- B62D5/0469—End-of-stroke control
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
Abstract
The present invention provides a kind of power steering hierarchical control system and method, system therein may include input module, instrument display system and the electronic power assist steering system of signal connection successively, instrument display system includes man-machine interface, electronic power assist steering system includes assist motor, and the output shaft tooth of assist motor is than adjustable；Input module generates power-assisted hierarchy designating signal according to operation information and is sent to instrument display system, instrument display system shows that power-assisted grade is set according to power-assisted hierarchy designating signal in man-machine interface to be changed, and corresponding power-assisted level signal is sent to electronic power assist steering system, electronic power assist steering system controls assist motor to be switched to corresponding matching status and return to execution output shaft tooth ratio and completes signal according to power-assisted level signal.The present invention forms power-assisted grade close loop control circuit between instrument display system and electronic power assist steering system, and the reliable adjustment of power-assisted grade can be achieved, and improves the security driven.
Description
Technical field
The present invention relates to the technical field of electronic apparatus, especially with regard to a kind of power steering hierarchical control system and side
Method.
Background technology
Driver is in driving procedure, due to the difference of individual physique and physical qualification, often because wheel steering power
Spend weight or kick the beam, cause not all driver to adapt to the single steering dynamics of fixation and produce the fatigue of arm,
And then in unconsciously slip-angle steering direction, trigger potential safety hazard.However, existing electronic power assist steering mode is mainly logical
Cross mechanical-hydraulic and fix dynamics steering mode or common fixed dynamics electronic power assist steering mode, be only capable of providing in driving procedure
Single steering force, it is impossible to look after the driving power of entire population, makes driver easily produce to steering force and steering wheel control
Puzzlement, influence drive comfortableness and security.
The content of the invention
It is an object of the invention to provide a kind of power steering hierarchical control system and method, power steering grade can adjust
And improve drive safety.
The present invention provides a kind of power steering hierarchical control system, including the input module of signal connection, instrument show successively
Show system and electronic power assist steering system, the instrument display system includes man-machine interface, the electronic power assist steering system bag
Assist motor is included, the output shaft tooth of the assist motor is than adjustable；
The input module generates power-assisted hierarchy designating signal according to operation information and is sent to the instrument display system,
The instrument display system shows that power-assisted grade is set according to the power-assisted hierarchy designating signal in man-machine interface to be changed, and will be right
The power-assisted level signal answered is sent to the electronic power assist steering system, and the electronic power assist steering system is according to described power-assisted etc.
Level signal controls the assist motor to be switched to corresponding matching status and return to execution output shaft tooth ratio and completes signal, described
Instrument display system completes signal in man-machine interface generation hint image according to described perform.
Further, the electronic power assist steering system is stored with demarcates the tooth drawn than predetermined amount and power-assisted grade in advance
The inquiry table of corresponding relation between signal, the electronic power assist steering system draws correspondence according to power-assisted level signal inquiry
Tooth than predetermined amount after, control the assist motor that output shaft tooth ratio is switched into matching shape more corresponding than predetermined amount with the tooth
State.
Further, the power-assisted grade is divided into three power-assisted grades that power-assisted dynamics is reduced successively, and power-assisted dynamics is high
The corresponding tooth of the power-assisted grade power-assisted grade corresponding tooth lower more than power-assisted dynamics than predetermined amount compares predetermined amount.
Further, the output shaft of the assist motor transmits driving torque by worm gear and worm screw, and the tooth is than default
Measure as the number of teeth ratio predetermined amount between worm gear and worm screw.
The present invention also provides a kind of power steering grade control method, including：
Input module generates power-assisted hierarchy designating signal according to operation information and is sent to the instrument display system；
The instrument display system shows that power-assisted grade is set in man-machine interface according to the power-assisted hierarchy designating signal and become
Change, and corresponding power-assisted level signal is sent to electronic power assist steering system；
The electronic power assist steering system controls assist motor by output shaft tooth than switching according to the power-assisted level signal
To corresponding matching status and return execution complete signal；And
The instrument display system completes signal in man-machine interface generation hint image according to described perform.
Further, the electronic power assist steering system controls assist motor by output shaft according to the power-assisted level signal
Tooth ratio is switched to corresponding matching status and returned and performs before completing signal, in addition to：
The electronic power assist steering system judges whether current vehicle speed is less than preset value；
If current vehicle speed is less than preset value, the electronic power assist steering system performs tooth according to the power-assisted level signal
Than switching action, otherwise, the electronic power assist steering system sends to the instrument display system and performs failure signal.
Further, the electronic power assist steering system controls assist motor by output shaft according to the power-assisted level signal
Tooth ratio, which is switched to corresponding matching status and returns to the step of execution completes signal, to be included：
The electronic power assist steering system show that the tooth demarcated in advance compares predetermined amount according to power-assisted level signal；
Control the assist motor that output shaft tooth ratio is switched into matching status more corresponding than predetermined amount with the tooth；And
After tooth is completed than switching, send execution to the instrument display system and complete signal.
Further, the power-assisted grade is divided into the Three Estate that power-assisted dynamics is reduced successively, the high power-assisted of power-assisted dynamics
The corresponding tooth of the grade power-assisted grade corresponding tooth lower more than power-assisted dynamics than predetermined amount compares predetermined amount.
Further, the output shaft of the assist motor transmits driving torque by worm gear and worm screw, and the tooth is than default
Measure as the number of teeth ratio predetermined amount between worm gear and worm screw.
Further, in addition to：
The man-machine interface of the instrument display system is once set on being shown when power steering hierarchical control system starts
Power-assisted grade.
In embodiments of the invention, set by instrument display system and generate power-assisted level signal, pass through electronics power-assisted
Steering control assist motor switching output shaft tooth is than state and returns to execution completion signal, so as to the setting according to user
The dynamics regulation of power steering is automatically performed, the steering force of steering wheel is adapted to various users, user need to only set desired turn
To dynamics, it is possible to realize comfortable driving experience.Meanwhile, formed and helped between instrument display system and electronic power assist steering system
Power grade close loop control circuit, it is ensured that the accuracy and uniformity of Regulate signal, has used man-machine interface to carry out steering dynamics
Regulation set, it is ensured that driver's very first time obtains reliability and the degree of accuracy of running information.In addition, using gear drive
Mode can effectively improve the accuracy of steering dynamics regulation.
Brief description of the drawings
Fig. 1 is the configuration diagram of power steering hierarchical control system provided in an embodiment of the present invention.
Fig. 2 is the application schematic diagram of the power steering hierarchical control system shown in Fig. 1.
Fig. 3 is the schematic flow sheet of power steering grade control method provided in an embodiment of the present invention.
Embodiment
Further to illustrate the present invention to reach the technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to embodiment, structure, feature and its effect of the present invention, are described in detail as after.
Fig. 1 is the configuration diagram of power steering hierarchical control system provided in an embodiment of the present invention.As shown in figure 1, this
Input module 11, the instrument display system 12 that the power steering hierarchical control system of invention includes signal connection successively are helped with electronics
Power steering (Electric Power Steering, EPS) 13, the signal connection is, for example, to pass through CAN
(Controller Area Network, controller local area network) carries out signal connection, wherein, instrument display system 12 includes
Man-machine interface 121, electronic power assist steering system 13 includes assist motor 131, and assist motor 131 output shaft tooth than adjustable,
The driving torque exported so as to adjustable assist motor 131.
Input module 11 generates power-assisted hierarchy designating signal according to operation information and is sent to instrument display system 12, instrument
Display system 12 shows that power-assisted grade is set in man-machine interface 121 according to power-assisted hierarchy designating signal and changed, and is helped corresponding
Power level signal is sent to electronic power assist steering system 13, and electronic power assist steering system 13 controls power-assisted according to power-assisted level signal
Output shaft tooth ratio is switched to corresponding matching status and returns to execution by motor 131 completes signal, the basis of instrument display system 12
Perform and complete signal in the generation hint image of man-machine interface 121.
Specifically, input module 11 is, for example, the button being integrated on the steering wheel of vehicle or instrument board, described power-assisted etc.
Level setting signal is produced when user pushes button, wherein, user is often corresponded to power-assisted grade of generation by one-touch and set
Confidence number, so that the display of man-machine interface 121 of instrument display system 12 is corresponding with key presses number of times to set change.
Instrument display system 12 can generate power-assisted grade setting screen and set when receiving power-assisted hierarchy designating signal
Show that power-assisted grade sets change on picture, with the power-assisted grade for pointing out user currently to choose.In embodiments of the present invention, it is described
Power-assisted grade is three power-assisted grades that power-assisted dynamics is reduced successively, and user is chosen after required power-assisted grade, instrument display system
Power-assisted level signal corresponding with the power-assisted grade currently chosen is sent to electronic power assist steering system 13 by system 12.
Electronic power assist steering system 13 is stored with, and to demarcate the tooth drawn in advance more right than between predetermined amount and power-assisted level signal
The inquiry table that should be related to, wherein, the high corresponding tooth of power-assisted grade of power-assisted dynamics is more than the low power-assisted of power-assisted dynamics than predetermined amount
The corresponding tooth of grade compares predetermined amount.Electronic power assist steering system 13 is received after power-assisted level signal, is looked into according to power-assisted level signal
Inquiry draws corresponding tooth than predetermined amount, and then it is more corresponding than predetermined amount with tooth to control assist motor 131 to be switched to output shaft tooth ratio
Matching status.In one embodiment of the invention, the output shaft of assist motor 131 is turned by worm gear and worm structure transmission
Dynamic torque, the output shaft tooth of assist motor 131 is more adjustable than the gear ratio between adjustable namely worm gear and worm screw, wherein, the snail
Three sections of different regions of bar number can be for example sequentially formed on bar, is stretched by the rotation of the output shaft of assist motor 131, adjusts worm screw
With the mating area of worm gear, and then regulation of the tooth than mated condition is realized.It should be noted that realizing tooth than adjustable mode simultaneously
It is not limited with said structure, as long as the output shaft tooth of assist motor 131 can be realized than adjustable.
In addition, in one embodiment of the invention, electronic power assist steering system 13 is received can be first after power-assisted level signal
Judge whether current vehicle speed is less than after preset value and perform the switching of power-assisted grade again, to ensure traffic safety.Wherein, if current vehicle speed
Less than preset value, then electronic power assist steering system 13 performs above-mentioned tooth than switching action, otherwise, electronics according to power-assisted level signal
Servo steering system 13 sends to instrument display system 12 and performs failure signal, and instrument display system 12 receives execution failure signal
After generate hint image, point out user's current vehicle speed can not carry out power-assisted level adjustment.In one embodiment of the invention, institute
It is, for example, 2km/h or 0km/h to state preset value.
Next the application process of the power steering hierarchical control system of the embodiment of the present invention is illustrated with reference to Fig. 2.
As shown in Fig. 2 steering wheel 21 is connected by steering column 22 with steering rack 23, the two ends of steering rack 23 pass through pitman arm
It is connected with wheel 24, input module 11 is arranged on steering wheel 21, electronic power assist steering system 13 also includes torque sensor 133
With electronic control unit 132, torque sensor 133 is arranged on steering column 22 and is connected with the signal of electronic control unit 132,
The control unit of electronic control unit 132 is connected with the signal of assist motor 131, and assist motor 131 is connected to carry with steering rack 23
For power steering.
When user operates the input module 11 on steering wheel 21, input module 11 generates power-assisted grade according to operation information
Setting signal is simultaneously sent to instrument display system 12, and instrument display system 12 is according to power-assisted hierarchy designating signal in man-machine interface
121 display power-assisted grades set change, and corresponding power-assisted level signal is sent to the electronics of electronic power assist steering system 13
Control unit 132, electronic control unit 132 controls assist motor 131 to be switched to output shaft tooth ratio according to power-assisted level signal
Corresponding matching status simultaneously returns to execution completion signal, and instrument display system 12 completes signal in man-machine interface 121 according to execution
Hint image is generated, the power-assisted level status for pointing out user to switch.
When vehicle is travelled, when user's steering wheel rotation 21, the torque sensor 133 on steering column 22 will be detected
Torque signal be sent to the electronic control unit 132 of electronic power assist steering system 13, electronic control unit 132 is according to receiving
Torque signal control assist motor 131 is operated, and the power-assisted that assist motor 131 is provided is folded with steering wheel torque on steering rack 23
Plus, realize electrical power-assisted steering function.Now, because the output shaft tooth of assist motor 131 according to the setting of user than carrying out
Regulation, thus the power-assisted dynamics that currently provides of electronic power assist steering system 13 enables a user to be adapted to the dynamics rotation side of oneself
To disk 21, driving sensation and the intelligent reliable connection for being precisely controlled steering dynamics are realized.
In above-mentioned power steering hierarchical control system, set by instrument display system and generate power-assisted level signal,
Control assist motor to switch output shaft tooth than state by electronic power assist steering system and return to execution completion signal, so as to root
The dynamics regulation of power steering is automatically performed according to the setting of user, the steering force of steering wheel is adapted to various users, user only needs
Desired steering dynamics is set, it is possible to realize comfortable driving experience.Meanwhile, instrument display system and electronic power assist steering system
Power-assisted grade close loop control circuit is formed between system, it is ensured that the accuracy and uniformity of Regulate signal, used man-machine interface
The regulation for carrying out steering dynamics is set, it is ensured that driver's very first time obtains reliability and the degree of accuracy of running information.In addition,
Using gear transmission mode, and the tooth for carrying out crowd's comfort level in advance can effectively improve steering dynamics tune than predetermined amount demarcation
The accuracy of section.
Next power steering grade control method provided in an embodiment of the present invention is described in detail with reference to Fig. 3.Such as
Shown in Fig. 3, power steering grade control method provided in an embodiment of the present invention is mainly included the following steps that：
Step 31, input module generates power-assisted hierarchy designating signal according to operation information and is sent to instrument display system.
The power-assisted hierarchy designating signal is produced when user pushes button, wherein, user is often corresponded to by one-touch
A power-assisted hierarchy designating signal is produced, so that the display of man-machine interface 121 and the key presses number of times of instrument display system 12
It is corresponding that change is set.
Step 32, instrument display system shows that power-assisted grade is set in man-machine interface according to power-assisted hierarchy designating signal and become
Change, and corresponding power-assisted level signal is sent to electronic power assist steering system.
Instrument display system 12 can be set when receiving power-assisted hierarchy designating signal in the generation of man-machine interface 121 power-assisted grade
Put picture and show that power-assisted grade sets change on setting screen, with the power-assisted grade for pointing out user currently to choose.In this hair
In bright embodiment, the power-assisted grade is three power-assisted grades that power-assisted dynamics is reduced successively, can be corresponded in setting screen aobvious
It is shown as " motor pattern, mode standard, comfort mode " or other printed words carries out the expression directly perceived of power-assisted grade, wherein, " motion mould
Formula " is the high power-assisted level model of power-assisted dynamics, and " mode standard " is the medium power-assisted level model of power-assisted dynamics, " comfortable mould
Formula " is the low power-assisted level model of power-assisted dynamics.Particularly, the man-machine interface 121 of instrument display system 12 is in user's first time
It can give tacit consent to display " mode standard " when starting power steering hierarchical control system.After user chooses the power-assisted grade of needs, instrument
Table shows that power-assisted level signal corresponding with the power-assisted grade currently chosen is sent to electronic power assist steering system 13 by system 12.
Step 33, electronic power assist steering system judges whether current vehicle speed is less than preset value, is preset if current vehicle speed is less than
Value, then electronic power assist steering system tooth is performed than switching action according to power-assisted level signal, otherwise, electronic power assist steering system to
Instrument display system, which is sent, performs failure signal.
Electronic power assist steering system 13, which is received, judges whether current vehicle speed is less than preset value after power-assisted level signal, wherein,
If current vehicle speed is less than preset value, it is more dynamic than switching that electronic power assist steering system 13 performs above-mentioned tooth according to power-assisted level signal
Make, otherwise, electronic power assist steering system 13 is sent to instrument display system 12 to be performed failure signal to ensure traffic safety, instrument
Display system 12 generates hint image after receiving execution failure signal, points out user's current vehicle speed can not carry out power-assisted grade tune
It is whole.In one embodiment of the invention, the preset value is, for example, 2km/h or 0km/h.
Step 34, electronic power assist steering system controls assist motor to be switched to output shaft tooth ratio according to power-assisted level signal
Corresponding matching status simultaneously returns to execution completion signal.
Electronic power assist steering system 13 is stored with, and to demarcate the tooth drawn in advance more right than between predetermined amount and power-assisted level signal
The inquiry table that should be related to, wherein, the high corresponding tooth of power-assisted grade of power-assisted dynamics is more than the low power-assisted of power-assisted dynamics than predetermined amount
The corresponding tooth of grade compares predetermined amount.Electronic power assist steering system 13 is received after power-assisted level signal, is looked into according to power-assisted level signal
Inquiry draws corresponding tooth than predetermined amount, and then it is more corresponding than predetermined amount with tooth to control assist motor 131 to be switched to output shaft tooth ratio
Matching status, and complete tooth than switching after to instrument display system 12 send perform complete signal.At one of the present invention
In embodiment, the output shaft of assist motor 131 transmits driving torque, the output of assist motor 131 by worm gear and worm structure
Axle tooth is more adjustable than the gear ratio between adjustable namely worm gear and worm screw.
Step 35, instrument display system completes signal in man-machine interface generation hint image according to execution.
Instrument display system 12 points out user to cut according to completion signal is performed in the generation hint image of man-machine interface 121
The power-assisted level status changed.Further, instrument display system 12 also can record the power-assisted grade this time set, and next time
The power-assisted grade of last setting is shown when starting power steering hierarchical control system by man-machine interface 121.
In embodiments of the invention, set by instrument display system and generate power-assisted level signal, pass through electronics power-assisted
Steering control assist motor switching output shaft tooth is than state and returns to execution completion signal, so as to the setting according to user
The dynamics regulation of power steering is automatically performed, the steering force of steering wheel is adapted to various users, user need to only set desired turn
To dynamics, it is possible to realize comfortable driving experience.Meanwhile, formed and helped between instrument display system and electronic power assist steering system
Power grade close loop control circuit, it is ensured that the accuracy and uniformity of Regulate signal, has used man-machine interface to carry out steering dynamics
Regulation set, it is ensured that driver's very first time obtains reliability and the degree of accuracy of running information.In addition, using gear drive
Mode, and the tooth for carrying out crowd's comfort level in advance can effectively improve the accuracy of steering dynamics regulation than predetermined amount demarcation.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent variations and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of power steering hierarchical control system, it is characterised in that input module, instrument including the connection of signal successively are shown
System and electronic power assist steering system, the instrument display system include man-machine interface, and the electronic power assist steering system includes
Assist motor, the output shaft tooth of the assist motor is than adjustable；
The input module generates power-assisted hierarchy designating signal according to operation information and is sent to the instrument display system, described
Instrument display system shows that power-assisted grade is set according to the power-assisted hierarchy designating signal in man-machine interface to be changed, and will be corresponding
Power-assisted level signal is sent to the electronic power assist steering system, and the electronic power assist steering system is believed according to the power-assisted grade
Output shaft tooth ratio is switched to corresponding matching status and returns to execution by number control assist motor completes signal, the instrument
Display system completes signal in man-machine interface generation hint image according to described perform.
2. power steering hierarchical control system as claimed in claim 1, it is characterised in that the electronic power assist steering system is deposited
Inquiry table of the tooth than corresponding relation between predetermined amount and power-assisted level signal demarcated draw in advance is contained, the electronics power-assisted turns
After drawing corresponding tooth than predetermined amount according to power-assisted level signal inquiry to system, the assist motor is controlled by output shaft
Tooth ratio is switched to matching status more corresponding than predetermined amount with the tooth.
3. power steering hierarchical control system as claimed in claim 2, it is characterised in that the power-assisted grade is divided into power-assisted power
The three power-assisted grades reduced successively are spent, it is low that the high corresponding tooth of power-assisted grade of power-assisted dynamics is more than power-assisted dynamics than predetermined amount
The corresponding tooth of power-assisted grade compares predetermined amount.
4. power steering hierarchical control system as claimed in claim 2, it is characterised in that the output shaft of the assist motor leads to
Cross worm gear and transmit driving torque with worm screw, the tooth is the number of teeth ratio predetermined amount between worm gear and worm screw than predetermined amount.
5. a kind of power steering grade control method, it is characterised in that including：
Input module generates power-assisted hierarchy designating signal according to operation information and is sent to the instrument display system；
The instrument display system shows that power-assisted grade is set according to the power-assisted hierarchy designating signal in man-machine interface to be changed, and
Corresponding power-assisted level signal is sent to electronic power assist steering system；
The electronic power assist steering system controls assist motor to be switched to output shaft tooth ratio pair according to the power-assisted level signal
The matching status answered simultaneously returns to execution and completes signal；And
The instrument display system completes signal in man-machine interface generation hint image according to described perform.
6. power steering grade control method as claimed in claim 5, it is characterised in that the electronic power assist steering system root
Output shaft tooth ratio is switched to corresponding matching status and returned according to power-assisted level signal control assist motor and performs completion
Before signal, in addition to：
The electronic power assist steering system judges whether current vehicle speed is less than preset value；
If current vehicle speed is less than preset value, the electronic power assist steering system performs tooth ratio according to the power-assisted level signal and cut
Move work, otherwise, and the electronic power assist steering system sends to the instrument display system and performs failure signal.
7. power steering grade control method as claimed in claim 5, it is characterised in that the electronic power assist steering system root
Output shaft tooth ratio is switched to corresponding matching status and returned according to power-assisted level signal control assist motor and performs completion
The step of signal, includes：
The electronic power assist steering system show that the tooth demarcated in advance compares predetermined amount according to power-assisted level signal；
Control the assist motor that output shaft tooth ratio is switched into matching status more corresponding than predetermined amount with the tooth；And
After tooth is completed than switching, send execution to the instrument display system and complete signal.
8. power steering grade control method as claimed in claim 7, it is characterised in that the power-assisted grade is divided into power-assisted power
The Three Estate reduced successively is spent, the high corresponding tooth of power-assisted grade of power-assisted dynamics is more than the low power-assisted of power-assisted dynamics than predetermined amount
The corresponding tooth of grade compares predetermined amount.
9. power steering grade control method as claimed in claim 7, it is characterised in that the output shaft of the assist motor leads to
Cross worm gear and transmit driving torque with worm screw, the tooth is the number of teeth ratio predetermined amount between worm gear and worm screw than predetermined amount.
10. power steering grade control method as claimed in claim 5, it is characterised in that also include：
The man-machine interface of the instrument display system shows that what is once set helps when power steering hierarchical control system starts
Power grade.
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| CN201610877236.2A CN107031705B (en) | 2016-10-08 | 2016-10-08 | Power steering hierarchical control system and method |
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| CN201610877236.2A CN107031705B (en) | 2016-10-08 | 2016-10-08 | Power steering hierarchical control system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108100031A (en) * | 2017-12-21 | 2018-06-01 | 奇瑞商用车（安徽）有限公司 | A kind of electric power-assisted steering apparatus and control method |
| CN109367619A (en) * | 2018-11-16 | 2019-02-22 | 华晨鑫源重庆汽车有限公司 | A kind of power steering mode switching system and method based on EPS |
| CN109720402A (en) * | 2017-10-30 | 2019-05-07 | 长城汽车股份有限公司 | The power steering adjusting method and system of vehicle |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6320266A (en) * | 1986-07-11 | 1988-01-27 | Mitsubishi Electric Corp | Motor-driven type power steering controller |
| US5078225A (en) * | 1988-08-18 | 1992-01-07 | Mazda Motor Corporation | Electric power steering system |
| CN201566681U (en) * | 2009-12-08 | 2010-09-01 | 株洲易力达机电有限公司 | Electric power-assisted steering device with various driving modes |
| CN102774416A (en) * | 2011-05-09 | 2012-11-14 | 上海汽车集团股份有限公司 | Electric power steering system, steer-by-wire system and vehicle comprising electric power steering system and steer-by-wire system |
-
2016
- 2016-10-08 CN CN201610877236.2A patent/CN107031705B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6320266A (en) * | 1986-07-11 | 1988-01-27 | Mitsubishi Electric Corp | Motor-driven type power steering controller |
| US5078225A (en) * | 1988-08-18 | 1992-01-07 | Mazda Motor Corporation | Electric power steering system |
| CN201566681U (en) * | 2009-12-08 | 2010-09-01 | 株洲易力达机电有限公司 | Electric power-assisted steering device with various driving modes |
| CN102774416A (en) * | 2011-05-09 | 2012-11-14 | 上海汽车集团股份有限公司 | Electric power steering system, steer-by-wire system and vehicle comprising electric power steering system and steer-by-wire system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109720402A (en) * | 2017-10-30 | 2019-05-07 | 长城汽车股份有限公司 | The power steering adjusting method and system of vehicle |
| CN109720402B (en) * | 2017-10-30 | 2022-01-28 | 长城汽车股份有限公司 | Method and system for adjusting steering power of vehicle |
| CN108100031A (en) * | 2017-12-21 | 2018-06-01 | 奇瑞商用车（安徽）有限公司 | A kind of electric power-assisted steering apparatus and control method |
| CN109367619A (en) * | 2018-11-16 | 2019-02-22 | 华晨鑫源重庆汽车有限公司 | A kind of power steering mode switching system and method based on EPS |
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| CN107031705B (en) | 2019-06-25 |
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