CN105865814B - Behaviour for electric boosting steering system surely looks after and guides rack - Google Patents
Behaviour for electric boosting steering system surely looks after and guides rack Download PDFInfo
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- CN105865814B CN105865814B CN201610184961.1A CN201610184961A CN105865814B CN 105865814 B CN105865814 B CN 105865814B CN 201610184961 A CN201610184961 A CN 201610184961A CN 105865814 B CN105865814 B CN 105865814B
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- 238000000034 method Methods 0.000 claims abstract description 13
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 2
- 238000009434 installation Methods 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000013598 vector Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/06—Steering behaviour; Rolling behaviour
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The invention belongs to electric power steering technical field, in particular to a kind of behaviour for electric boosting steering system surely looks after and guides rack, including pedestal, the slide rail being fixed on the base and control module, the erecting bed and power plant module that are fixed on slide rail；Electric steering column band countershaft assembly and manual steering gear band tie rod assembly are fixedly installed on erecting bed；Power plant module drives the left side tie-rod of tie rod assembly and right side tie-rod to act by manual steering gear；Control module acquires the feedback driving force of left and right side pull rod power and power plant module output of the electric steering column with torque signal and angular signal and left and right side drag link in countershaft assembly rotation process, control module output control signal control power plant module, EPS movement.It replaces vehicle to carry out adjustment by present gantries, adjustment efficiency can be greatly improved, reduce the demand in calibration procedures to the dependence of professional adjustment personnel, reduction to vehicle resources, reduce the requirement to testing track.
Description
Technical field
The invention belongs to electric power steering technical field, in particular to a kind of behaviour for electric boosting steering system is steady
Look after and guide rack.
Background technique
Electric boosting steering system (Electricial Power Steering System, abbreviation EPS), which can improve, to be turned
To between system portability and road feel contradiction, improve steering system noise level, reduce vehicle fuel consumption, promote vehicle
Safety, operational stability and comfort, therefore be intended to develop as a kind of standard configuration in passenger car field.Currently,
EPS handling stability energy adjustment is remained in be carried out on dedicated handling stability energy runway by the steady subjective assessment engineer of behaviour of profession
Vehicle EPS grasps steady subjective assessment to carry out repeatedly adjustment, the adjustment period is longer, adjustment larger workload, to vehicle require it is high,
Height is required to the professional standards of adjustment personnel, height is required to testing track, therefore is highly prone to professional adjustment personnel, vehicle money
The influence in source, runway, natural environment (rain, snow, foggy weather), is easy to cause work to delay
Summary of the invention
The purpose of the present invention is to provide a kind of behaviour for electric boosting steering system surely to look after and guide rack, improves adjustment effect
Rate shortens the adjustment period.
In order to achieve the above object, the technical solution adopted by the present invention are as follows: a kind of behaviour for electric boosting steering system is steady
Rack is looked after and guided, including pedestal, the slide rail being fixed on the base and control module, the erecting bed being fixed on slide rail；
Electric steering column band countershaft assembly and manual steering gear band tie rod assembly, electric powered steering pipe are fixedly installed on erecting bed
The one end of column with countershaft assembly is connected with manual steering gear band tie rod assembly；Dynamic mould is fixedly mounted on slide rail
Block, power plant module drive left side tie-rod of the manual steering gear with tie rod assembly and right side tie-rod dynamic by manual steering gear
Make；Control module acquires electric steering column with the torque signal and angular signal, left side cross in countershaft assembly rotation process
The feedback driving force of the left side pull rod power of pull rod, the right side pull rod power of right side tie-rod and power plant module output, control module
Output control signal control power plant module, EPS movement.
Compared with prior art, there are following technical effects by the present invention: replace vehicle to carry out adjustment by present gantries, it can be with
Adjustment efficiency is greatly improved, the demand in calibration procedures to the dependence of professional adjustment personnel, reduction to vehicle resources is reduced, reduces
Requirement to testing track, and calibration procedures are not affected by a natural.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the present apparatus；
Fig. 2 is the measuring principle figure of the present apparatus.
Specific embodiment
Below with reference to Fig. 1 to Fig. 2, the present invention is described in further detail.
Refering to fig. 1, Fig. 2, a kind of behaviour for electric boosting steering system surely look after and guide rack, including pedestal 20, are fixed on
Slide rail 19 and control module 26 on pedestal 20, the erecting bed 18 being fixed on slide rail 19；It is fixed on erecting bed 18
Electric steering column band countershaft assembly 10 and manual steering gear band tie rod assembly 13 are installed, among electric steering column band
One end of axle assembly 10 is connected with manual steering gear band tie rod assembly 13；It is fixedly installed with power plant module on slide rail 19,
Power plant module drives left side tie-rod of the manual steering gear with tie rod assembly 13 and right side tie-rod dynamic by manual steering gear
Make；Control module 26 acquires electric steering column with the torque signal and angular signal, a left side in 10 rotation process of countershaft assembly
The feedback driving force of the left side pull rod power of side drag link, the right side pull rod power of right side tie-rod and power plant module output, control
The output control signal control of module 26 power plant module, EPS movement.It is steady that the steady adjustment rack of the behaviour can carry out three kinds of difference EPS behaviour
Positive adjustment and Central steering adjustment are returned in the adjustment of performance, including steering force adjustment, stable state, and steering force adjustment is according to real vehicle
F under the different speeds of testtierod- θ curve controls left and right pull rod power as rack by rack control cabinet and inputs.Stable state is returned
Just and Central steering adjustment is a under the different speeds according to real steering vectorsy-FtierodCurve is added based on pull rod power with lateral
The corresponding relationship of speed, with pull rod power F 'tierodInstead of side acceleration ay, left and right pull rod power is controlled as platform by control cabinet
Frame input.Then ignition signal, different size of virtual speed signal being inputed into EPS, ECU control EPS is acted as requested,
The torque signal of detection rack torque sensor acquisition and the angular signal of angle-position encoder acquisition, and will be detected on rack
T´hThe T measured under-θ curve and real vehicle difference speedh- θ curve compares, and is repaired repeatedly to the assist characteristic curve of EPS
Change, the T ' for exporting rackh- θ curve meets rack target call.Since these adjustment can be completed on rack, so can
To greatly improve adjustment efficiency, demand, the drop in calibration procedures to the dependence of professional adjustment personnel, reduction to vehicle resources are reduced
The low requirement to testing track and calibration procedures are not affected by a natural.
As a preferred solution of the present invention, the power plant module includes that left side tie-rod stationary fixture 15, left side are hydraulic
Cylinder 16, left side hydraulic cylinder control loop 17 and right side tie-rod stationary fixture 21, right side hydraulic cylinder 22, the control of right side hydraulic cylinder
Circuit 23；The left and right side hydraulic cylinder 16,22 drives left and right side by left and right side drag link stationary fixture 15,21 respectively
Drag link is swung, and left and right side hydraulic cylinder control loop 17,23 respectively drives left and right side hydraulic cylinder 16,22 and acts and export feedback
Driving force signal to control module 26.Using hydraulic cylinder and hydraulic cylinder control loop, more can accurately export specified
Power drives left and right drag link to act, and control gets up very convenient reliable.
Preferably, the electric steering column with countershaft assembly 10 far from manual steering gear with tie rod assembly 13 one
End is fixedly connected with rotary chuck 7, and rotary chuck 7 and electric steering column band countershaft assembly 10 are coaxially arranged, rotary chuck 7
Torque sensor and angle-position encoder are inside provided with for acquiring electric steering column in 10 rotation process of countershaft assembly
Torque signal and angular signal are simultaneously exported to control module 26.It, can conveniently, accurately by the way that coaxial rotary chuck 7 is arranged
Electric steering column is acquired with the torque signal and angular signal in 10 rotation process of countershaft assembly.
Preferably, the first mounting base 14, the second mounting base and third mounting base are provided on the erecting bed 18, it is mechanical
Diverter band tie rod assembly 13 is fixed in the first mounting base 14, and the electric steering column band fixation of countershaft assembly 10 is set
It sets in the second mounting base, rotary chuck 7 is fixed in third mounting base.First, second and third mounting base is set, mainly
The convenient position to manual steering gear with tie rod assembly 13, electric steering column with countershaft assembly 10 and rotary chuck 7
It carries out separately adjustable.
As a preferred solution of the present invention, second mounting base include the first fixing seat 11, upper mounting bracket 9 and
Lower mounting bracket 12, electric steering column band countershaft assembly 10 are fixed on the first fixing seat by upper and lower mounting bracket 9,12
On 11, the first fixing seat 11 is fixed on erecting bed 18；Multiple through-holes are arranged in uniform intervals on first fixing seat, 11 one side,
Upper and lower mounting bracket 9,12 realizes tune of the electric steering column with 10 position of countershaft assembly by being fixed in different through-holes
Section.More, the then adjustable more multiposition of upper and lower mounting bracket 9,12 of through-hole arrangement on first fixing seat, 11 side, but
The intensity of the first fixing seat 11 can correspondingly decrease simultaneously, no setting is required here too many through-hole, carry out according to the actual situation
Selection.
Preferably, the third mounting base includes the second fixing seat 8 being fixed on erecting bed 18, the second fixing seat 8
On be provided with the first sliding block that can be moved up and down, be provided on the first sliding block can horizontal displacement the second sliding block, rotary chuck 7 cut with scissors
It connects on the second sliding block.First sliding block can drive rotary chuck 7 to move along vertical direction, and the second sliding block can drive rotary chuck 7
It is moved along manual steering gear band 13 shaft core direction of tie rod assembly is parallel to, rotary chuck 7 itself can also turn around the second sliding block
It is dynamic, in this way, rotary chuck 7 can arbitrarily be adjusted, until rotary chuck 7 and electric steering column band countershaft assembly 10
It is coaxially arranged.
Preferably, the control module 26 includes display 24 and operation panel 25, and operator passes through operation panel
25 carry out parameter setting, information of the display 24 for the acquisition of display control module 26, processing.Operation panel 25 is mainly used for grasping
Make personnel the output parameter of left and right hydraulic cylinder control loop 17,23 is adjusted, enables left and right hydraulic cylinder 16,22 defeated
The left and right drag link of suitable drive force is swung out.The setting of display 24 can facilitate operator to check system in time
Some parameters, information.
Claims (6)
1. a kind of behaviour for electric boosting steering system surely looks after and guides rack, it is characterised in that: including pedestal (20), be fixed on bottom
Slide rail (19) and control module (26) on seat (20), the erecting bed (18) that is fixed on slide rail (19)；Erecting bed
(18) electric steering column band countershaft assembly (10) and manual steering gear band tie rod assembly (13) are fixedly installed on, it is electronic
The one end of steering column with countershaft assembly (10) is connected with manual steering gear band tie rod assembly (13)；On slide rail (19)
It is fixedly installed with power plant module, power plant module drives left side of the manual steering gear with tie rod assembly (13) by manual steering gear
Drag link and right side tie-rod movement；Control module (26) acquires in electric steering column band countershaft assembly (10) rotation process
Torque signal and angular signal, the left side pull rod power of left side tie-rod, the right side pull rod power of right side tie-rod and power mould
The feedback driving force of block output, control module (26) output control signal control power plant module, EPS movement；
The electric steering column is fixed far from manual steering gear with one end of tie rod assembly (13) with countershaft assembly (10)
It is connected with rotary chuck (7), rotary chuck (7) and electric steering column band countershaft assembly (10) are coaxially arranged, rotary chuck
(7) torque sensor and angle-position encoder are provided in for acquiring electric steering column band countershaft assembly (10) rotation process
In torque signal and angular signal and export to control module (26).
2. surely looking after and guiding rack for the behaviour of electric boosting steering system as described in claim 1, it is characterised in that: described is dynamic
Power module includes left side tie-rod stationary fixture (15), left side hydraulic cylinder (16), left side hydraulic cylinder control loop (17) and the right side
Side drag link stationary fixture (21), right side hydraulic cylinder (22), right side hydraulic cylinder control loop (23)；The left and right side is hydraulic
Cylinder (16,22) drives left and right side drag link to swing by left and right side drag link stationary fixture (15,21) respectively, left and right side liquid
Cylinder pressure control loop (17,23) respectively drives the driving force signal extremely control that left and right side hydraulic cylinder (16,22) act and export feedback
Molding block (26).
3. surely looking after and guiding rack for the behaviour of electric boosting steering system as described in claim 1, it is characterised in that: the peace
The first mounting base (14), the second mounting base and third mounting base, manual steering gear band tie rod assembly are provided on dress platform (18)
(13) it is fixed on the first mounting base (14), electric steering column band countershaft assembly (10) is fixed at the second installation
On seat, rotary chuck (7) is fixed in third mounting base.
4. surely looking after and guiding rack for the behaviour of electric boosting steering system as claimed in claim 3, it is characterised in that: described the
Two mounting bases include the first fixing seat (11), upper mounting bracket (9) and lower mounting bracket (12), among electric steering column band
Axle assembly (10) is fixed on the first fixing seat (11) by upper and lower mounting bracket (9,12), and the first fixing seat (11) is fixed on
On erecting bed (18)；Multiple through-holes are arranged in uniform intervals on first fixing seat (11) one side, and upper and lower mounting bracket (9,12) is logical
It crosses and is fixed on realization adjusting of the electric steering column with countershaft assembly (10) position in different through-holes.
5. surely looking after and guiding rack for the behaviour of electric boosting steering system as claimed in claim 4, it is characterised in that: described the
Three mounting bases include the second fixing seat (8) being fixed on erecting bed (18), are provided with and can move up and down in the second fixing seat (8)
The first sliding block, be provided on the first sliding block can horizontal displacement the second sliding block, rotary chuck (7) is hinged on the second sliding block.
6. surely looking after and guiding rack for the behaviour of electric boosting steering system as claimed in claim 5, it is characterised in that: the control
Molding block (26) includes display (24) and operation panel (25), and operator carries out parameter setting by operation panel (25),
Information of the display (24) for display control module (26) acquisition, processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184961.1A CN105865814B (en) | 2016-03-24 | 2016-03-24 | Behaviour for electric boosting steering system surely looks after and guides rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610184961.1A CN105865814B (en) | 2016-03-24 | 2016-03-24 | Behaviour for electric boosting steering system surely looks after and guides rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105865814A CN105865814A (en) | 2016-08-17 |
| CN105865814B true CN105865814B (en) | 2019-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610184961.1A Active CN105865814B (en) | 2016-03-24 | 2016-03-24 | Behaviour for electric boosting steering system surely looks after and guides rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105865814B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621373B (en) * | 2017-08-03 | 2019-05-07 | 广州汽车集团股份有限公司 | A kind of test device of automobile steering system |
| CN109470494A (en) * | 2018-11-23 | 2019-03-15 | 湖北荣屹昊机器人科技有限公司 | A kind of steering assembly performance test stand |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101017117A (en) * | 2007-02-28 | 2007-08-15 | 清华大学 | Durability testing stand of electric power-assisted steering system |
| CN101393081B (en) * | 2007-09-12 | 2012-03-07 | 中国第一汽车股份有限公司 | Electric power-assisted steering test stand |
| CN201569572U (en) * | 2009-11-02 | 2010-09-01 | 株洲易力达机电有限公司 | Aligning test control device of electric-assistance steering device |
| JP2013079027A (en) * | 2011-10-05 | 2013-05-02 | Denso Corp | Electric power steering device |
| CN103364209B (en) * | 2013-08-02 | 2015-05-20 | 吉林省汽车零部件研发中心有限公司 | Testing device of electric power steering system |
| CN103792098B (en) * | 2013-12-13 | 2016-03-02 | 江苏大学 | Automobile electric booster steering system is comprehensive performance test bed |
| CN104458288A (en) * | 2014-10-31 | 2015-03-25 | 朗胜电子科技江苏有限公司 | Combined test bed for electric power steering (EPS) system |
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2016
- 2016-03-24 CN CN201610184961.1A patent/CN105865814B/en active Active
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| Publication number | Publication date |
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| CN105865814A (en) | 2016-08-17 |
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