CN205540255U - A servo motor closed loop loading control for auto steering ware test bench - Google Patents
A servo motor closed loop loading control for auto steering ware test bench Download PDFInfo
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- CN205540255U CN205540255U CN201620127674.2U CN201620127674U CN205540255U CN 205540255 U CN205540255 U CN 205540255U CN 201620127674 U CN201620127674 U CN 201620127674U CN 205540255 U CN205540255 U CN 205540255U
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Abstract
The utility model discloses a servo motor closed loop loading control for auto steering ware test bench, power module provides work required stabilized power supply for whole controller, ethernet data communication is responsible for to the ethernet controller, and it is mutual with the data and the control command of host computer and other controllers that the main control unit passes through the realization of ethernet controller, analog quantity and the corresponding servo motor control signal of pulse output module output, displacement sensor with draw pressure sensor signal through signal conditioning module after gather by analog quantity collection module, pulse volume measured module contains the accurate pulse volume of measurationing algorithm, is responsible for measuring the rotary encoder signal of keeping apart the module through data signal, the various data signal's of digital signals input output module control input/output. The utility model discloses can realize the closed loop loading of the multiple experimental wave form of servo motor, control accuracy and reliability are high, and the interference killing feature is strong, can satisfy the needs of engineering practice.
Description
Technical field
This utility model relates to a kind of automotive test and controls device, particularly relates to a kind of for automobile steering device
The servomotor closed loop Loading Control device of testing stand.
Background technology
Automobile steering device is the vitals of automobile steering system, and its service behaviour, reliability and durability are straight
Connect the comfortableness being related to Riding Stability of Automobile, safety and driving, ground should be reduced and pass to steering wheel
On impact, keep certain " road feel " again, therefore automobile steering device carried out performance and endurancing
Having very important significance, automobile steering device testing stand is just by the visual plant of correlation test.
Steering gear main force-bearing situation in real vehicle running is: input is filled by by steering wheel and power-assisted
Put controlled steering torque, and carry out the divertical motion of friction speed；Left and right outfan passes through steering ball end
Connect wheel, the axially stress because of Uneven road, the friction on radial tyre and ground and stress.Along with automobile
Industrial expansion, people to the reliability of automobile, comfortableness, each side such as functional requirement more and more higher,
In the design and manufacture process of automobile, test condition and testing standard to steering gear are stricter, because of
This, the requirement to redirector testing device improves day by day, and test process to be simulated as far as possible and to reappear real vehicle feelings
Condition, in order to realize this requirement, each loading station of test equipment allows for carrying out altofrequency, complexity
Waveform, load accurately, such as, require that loading frequency reaches 30HZ, input rotating speed reach 600 degree/
Second the highest, Loaded contact analysis contains sine wave, trapezoidal wave, circular arc superposition involve various combined waveforms etc.,
Even require that testing equipment can be according to motion corresponding to the surface conditions loading automatic to ball pin that set or power.
At present, domestic possessing some special knowledge in terms of correlation test equipment, but effect is not the most very good, process of the test is coarse,
The test demand that steering gear is the most harsh can not be met.The control core of process of the test is Loading Control device, only
There is the Loading Control device to each station to upgrade and improve and could meet the test that steering gear improves constantly and want
Ask, steering gear measuring technology makes a breakthrough.This just needs those skilled in the art badly and solves corresponding technology
Problem.
Utility model content
This utility model is intended at least solve technical problem present in prior art, the most innovatively proposes
A kind of servomotor closed loop Loading Control device for automobile steering device testing stand.
In order to realize above-mentioned purpose of the present utility model, this utility model provides a kind of for automobile steering device
The servomotor closed loop Loading Control device of testing stand, including: test signal input module, main control unit,
Ethernet controller, host computer, motor servo driver；
Test signal input module signal end connects main control unit test signal end, and main control unit controls letter
Number end connect motor servo driver control end, motor servo driver signal end connect servomotor, described
Serve Motor Control automobile steering device, main control unit data signal end connects ethernet controller data signal
End, ethernet controller data interaction end connects host computer, sends control instruction by host computer.
The described servomotor closed loop Loading Control device for automobile steering device testing stand, it is preferred that described
Test signal input module includes: pull pressure sensor, displacement transducer, Signal-regulated kinase, analog quantity
Acquisition module；
Pull pressure sensor signal end connects Signal-regulated kinase pressure signal receiving end, and displacement transducer is believed
Number end connect Signal-regulated kinase displacement signal receiving terminal, Signal-regulated kinase signal output part connection mode analog quantity
Acquisition module signal input part, analogue collection module signal output part connects main control unit analog signals
Input.
The described servomotor closed loop Loading Control device for automobile steering device testing stand, it is preferred that described
Test signal input module also includes: rotary encoder, digit signal control device, digital signal isolation mode
Block, impulse measuring module, digital signal input/output module；
Rotary encoder through signals input connects digital signal isolation module rotating signal input, digital signal
Control device signal output part and connect digital signal isolation module outfan, digital signal isolation module pulsed quantity
Signal output part connects impulse measuring module by signal input, and impulse measuring module by signal outfan connects
Main control unit pulsed quantity signal input part, digital signal input/output module signal interaction end connects numeral letter
Number isolation module signal interaction end, digital signal input/output module signal output part connects main control unit number
Word signal input part.
The described servomotor closed loop Loading Control device for automobile steering device testing stand, it is preferred that also wrap
Include: analog output module, pulsed quantity output module, pulsed quantity isolation module；
Main control unit analog output end connects analog output module signal input part, analog output mould
Block signal outfan connects motor servo driver analog input end, and main control unit pulsed quantity outfan is even
Connecing pulsed quantity output module signal input part, pulsed quantity output module signal output part connects driven by servomotor
Device pulsed quantity input, pulsed quantity output module impulsive quarantine signal end connects pulsed quantity isolation module signal and hands over
End mutually, pulsed quantity isolation module signal output part connects motor servo driver pulse signal input terminal.
The described servomotor closed loop Loading Control device for automobile steering device testing stand, it is preferred that also wrap
Including power module, described power module power end connects main control unit feeder ear.
The described servomotor closed loop Loading Control device for automobile steering device testing stand, it is preferred that also wrap
Including data memory module, described data memory module data interaction end connects main control unit data interaction end.
The described servomotor closed loop Loading Control device for automobile steering device testing stand, it is preferred that described
Main control unit is SILICON LAB C8051F120.
In sum, owing to have employed technique scheme, the beneficial effects of the utility model are:
This utility model is capable of each station that servomotor in redirector testing device driven to be carried out
At a high speed, high frequency load, reliability and precision are high, and capacity of resisting disturbance is strong, it is possible to meet the needs of engineering practice,
Simultaneously be conducive to information resources share, simplify network structure, reduce installations, maintenance difficulty with become
This.
Additional aspect of the present utility model and advantage will part be given in the following description, and part will be from following
Description in become obvious, or recognized by practice of the present utility model.
Accompanying drawing explanation
Embodiment is retouched by above-mentioned and/or additional aspect of the present utility model and advantage from combining accompanying drawings below
Will be apparent from easy to understand in stating, wherein:
Fig. 1 is this utility model general illustration.
Reference
1 main control unit, 2 power modules, 3 data memory modules, 4 impulse measuring modules, 5 numerals
Signal input/output module, 6 analogue collection modules, 7 ethernet controllers, 8 analog output modules,
9 pulsed quantity output modules, 10 pulsed quantity isolation modules, 11 digital signal isolation modules, 12 signal conditions
Module, 13 displacement transducers, 14 pull pressure sensor, 15 digit signal control devices, 16 various inputs
Digital signal, 17 rotary encoders, 18 motor servo drivers, 19 servomotors, 20 other station controls
Device processed, 21 host computers
Detailed description of the invention
Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, its
In the most same or similar label represent same or similar element or there is same or like function
Element.The embodiment described below with reference to accompanying drawing is exemplary, is only used for explaining this utility model,
And it is not intended that to restriction of the present utility model.
In description of the present utility model, it is to be understood that term " longitudinally ", " laterally ", " on ", D score,
The instruction such as "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward "
Orientation or position relationship are based on orientation shown in the drawings or position relationship, are for only for ease of this practicality of description
Novel and simplify describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.
In description of the present utility model, unless otherwise prescribed and limit, " the peace it should be noted that term
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be mechanical connection or electrically connect, it is possible to
To be the connection of two element internals, can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
For the ordinary skill in the art, specifically containing of above-mentioned term can be understood as the case may be
Justice.
As it is shown in figure 1, a kind of servomotor closed loop Loading Control device for automobile steering device testing stand, bag
Include main control unit (1), power module (2), data memory module (3), impulse measuring module (4),
Digital signal input/output module (5), analogue collection module (6), ethernet controller (7), simulation
Amount output module (8), pulsed quantity output module (9), pulsed quantity isolation module (10), digital signal every
From module (11), Signal-regulated kinase (12), displacement transducer (13), pull pressure sensor (14),
Digit signal control device (15), various supplied with digital signal (16), rotary encoder (17), servo
Motor driver (18), servomotor (19), other station controllers (20) and host computer (21).
Described main control unit (1) is the control core of servomotor closed loop controller；Described power module (2) to
Servomotor closed loop controller is powered；Described data memory module (3) is responsible for the survey in storage process of the test
Examination data, control parameter etc.；Described impulse measuring module (4) comprises impulse measuring accurately and calculates
Method gathers and calculates frequency and quantity, the described rotary coding of described rotary encoder (17) signal of input
The signal of device (17) is connected to described impulse measuring module by described digital signal isolation module (11)
(4) input；Described digital signal input/output module (5) is responsible for output digit signals and is controlled described
Digit signal control device (15), and be responsible for gathering described various supplied with digital signal (16), the number of output
Word signal all passes through described digital signal isolation module (11) with supplied with digital signal isolates；Described mould
Analog quantity acquisition module (6) and described Signal-regulated kinase (12) are with the use of, institute's displacement sensors (13)
After carrying out pretreatment with the signal of described pull pressure sensor (14) by described Signal-regulated kinase (12)
Being transferred to described analogue collection module (6) again, described analogue collection module (6) passes through the number of 16
It is attached with described main control unit (1) according to bus；Described analog output module (8) is responsible for according to institute
State the described servo that the control command output analogue signal control of main control unit (1) is operated under velocity mode
Motor driver (18) drives described servomotor (19) to carry out corresponding action；Described pulsed quantity exports
Module (9) is responsible for the control command according to described main control unit (1) by described pulsed quantity isolation module (10)
The described motor servo driver (18) that output pulse signal controls to be operated under mode position is watched described in driving
Take motor (19) and carry out corresponding action；Described ethernet controller (7) and described main control unit (1)
Be attached by the address wire of the data wires of 8 and 8, collaborative work, it is achieved closed loop controller with
Too Netcom's news, closed loop controller is attached with host computer and other station controllers by Ethernet, it is achieved
The test data of whole pilot system, controlled state, control parameter mutual.
Closed loop Loading Control device uses Ethernet and ICP/IP protocol to carry out communication, by main control unit and ether
Net controller realizes.Controller is entered with other Loading Control devices in testing equipment by Ethernet and host computer
Row data exchange, it is possible to share the data of whole pilot system and state, it is ensured that process of the test is reliable, safety,
Carry out in an orderly manner, it is achieved multiple loading station collaborative works, meet the needs of engineering practice.Meanwhile, use
Ethernet carries out communication, it is possible to the most remotely control.Compared with controlling network with traditional serial ports, with
Faster, transmission range is longer for the transmission speed netted very much, and reliability and the capacity of resisting disturbance of data transmission are higher,
Sharing of the networking of the most all modules, beneficially information resources and software and hardware resources, simplifies network knot
Structure, reduces installation, the difficulty safeguarded and cost.
Further, also include that impulse measuring module, described impulse measuring module include the most accurate
Impulse measuring algorithm, it is possible to measure the frequency of input pulse signal and quantity accurately；Rotary encoder
Output signal be connected to the input of described impulse measuring module by digital signal isolation module, described
Impulse measuring module is connected with main control unit by data/address bus and command line, impulse measuring module institute
The frequency of the code device signal measured and number are movement travel and the speed of servomotor, use coding
Motor process is measured higher, highly reliable than using other metering system precision by device.
Further, digital quantity input/output module and digital signal isolation module, described digital quantity are also included
Input/output module controls digital signal output and the digital signal of Gather and input, and the input of digital signal is with defeated
Go out all to use digital signal isolation module to isolate, eliminate the interference of front and back end.
Further, analogue collection module and Signal-regulated kinase, described pressure transducer and position are also included
The signal output part of displacement sensor is connected to the input of described analogue collection module by Signal-regulated kinase
End, Signal-regulated kinase carries out pretreatment (filter, amplification etc.), described analog quantity modular converter to signal
It is attached with described main control unit by the data/address bus of 16 and address bus.
Further, also including data memory module, described main control unit is two-way with described data memory module
Connect, it is possible to the test data in process of the test, control parameter etc. are stored and call.
Ethernet controller CP2200, motor servo driver are Rhizoma Sparganii MR-J4-A, pull pressure sensor
For the INTERFACE of the U.S., displacement transducer is the NOVOTECH of Germany, and rotary encoder is three
Pedicellus et Pericarpium Trapae servomotor carries.
Impulse measuring module (being contained in main control unit), analogue collection module (AD7606), signal
Conditioning module (is mainly made up of operational amplifier INA128, reference voltage chip ADP7102, filter circuit
Signal processing circuit), digital signal input/output module is (mainly by optocoupler HCPL2630, Schmidt
Trigger 74HC14 and resistance, the signal processing circuit of electric capacity composition), without the tool providing circuit
Body connection diagram, but above-mentioned word describes all to be known as those skilled in the art.
The software program that above-mentioned utility model is used is well known to those skilled in the art.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ",
The description of " concrete example " or " some examples " etc. means to combine the concrete spy of this embodiment or example description
Levy, structure, material or feature are contained at least one embodiment of the present utility model or example.At this
In description, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.And,
The specific features, structure, material or the feature that describe can be in any one or more embodiments or examples
In combine in an appropriate manner.
Embodiment the most of the present utility model, those of ordinary skill in the art is permissible
Understand: can these embodiments be carried out multiple in the case of without departing from principle of the present utility model and objective
Changing, revise, replace and modification, scope of the present utility model is limited by claim and equivalent thereof.
Claims (7)
1. the servomotor closed loop Loading Control device for automobile steering device testing stand, it is characterised in that
Including: test signal input module, main control unit, ethernet controller, host computer, servomotor drive
Dynamic device；
Test signal input module signal end connects main control unit test signal end, and main control unit controls letter
Number end connect motor servo driver control end, motor servo driver signal end connect servomotor, described
Serve Motor Control automobile steering device, main control unit data signal end connects ethernet controller data signal
End, ethernet controller data interaction end connects host computer, sends control instruction by host computer.
Servomotor closed loop for automobile steering device testing stand the most according to claim 1 loads control
Device processed, it is characterised in that described test signal input module includes: pull pressure sensor, displacement transducer,
Signal-regulated kinase, analogue collection module；
Pull pressure sensor signal end connects Signal-regulated kinase pressure signal receiving end, and displacement transducer is believed
Number end connect Signal-regulated kinase displacement signal receiving terminal, Signal-regulated kinase signal output part connection mode analog quantity
Acquisition module signal input part, analogue collection module signal output part connects main control unit analog signals
Input.
Servomotor closed loop for automobile steering device testing stand the most according to claim 1 loads control
Device processed, it is characterised in that described test signal input module also includes: rotary encoder, digital signal control
Device processed, digital signal isolation module, impulse measuring module, digital signal input/output module；
Rotary encoder through signals input connects digital signal isolation module rotating signal input, digital signal
Control device signal output part and connect digital signal isolation module outfan, digital signal isolation module pulsed quantity
Signal output part connects impulse measuring module by signal input, and impulse measuring module by signal outfan connects
Main control unit pulsed quantity signal input part, digital signal input/output module signal interaction end connects numeral letter
Number isolation module signal interaction end, digital signal input/output module signal output part connects main control unit number
Word signal input part.
Servomotor closed loop for automobile steering device testing stand the most according to claim 1 loads control
Device processed, it is characterised in that also include: analog output module, pulsed quantity output module, pulsed quantity are isolated
Module；
Main control unit analog output end connects analog output module signal input part, analog output mould
Block signal outfan connects motor servo driver analog input end, and main control unit pulsed quantity outfan is even
Connecing pulsed quantity output module signal input part, pulsed quantity output module signal output part connects driven by servomotor
Device pulsed quantity input, pulsed quantity output module impulsive quarantine signal end connects pulsed quantity isolation module signal and hands over
End mutually, pulsed quantity isolation module signal output part connects motor servo driver pulse signal input terminal.
Servomotor closed loop for automobile steering device testing stand the most according to claim 1 loads control
Device processed, it is characterised in that also include power module, described power module power end connects main control unit and supplies
Electricity end.
Servomotor closed loop for automobile steering device testing stand the most according to claim 1 loads control
Device processed, it is characterised in that also include data memory module, described data memory module data interaction end connects
Main control unit data interaction end.
Servomotor closed loop for automobile steering device testing stand the most according to claim 1 loads control
Device processed, it is characterised in that described main control unit is SILICON LAB C8051F120.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127674.2U CN205540255U (en) | 2016-02-18 | 2016-02-18 | A servo motor closed loop loading control for auto steering ware test bench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620127674.2U CN205540255U (en) | 2016-02-18 | 2016-02-18 | A servo motor closed loop loading control for auto steering ware test bench |
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| CN205540255U true CN205540255U (en) | 2016-08-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221291A (en) * | 2020-02-24 | 2020-06-02 | 重庆红江机械有限责任公司 | Unattended test bed |
| CN112558531A (en) * | 2020-12-29 | 2021-03-26 | 天津航天瑞莱科技有限公司 | Intelligent control system of high-temperature fuel test bed |
| CN114414235A (en) * | 2021-12-21 | 2022-04-29 | 西安法士特汽车传动有限公司 | Transmission inclination test method, system, device, terminal equipment and storage medium |
-
2016
- 2016-02-18 CN CN201620127674.2U patent/CN205540255U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111221291A (en) * | 2020-02-24 | 2020-06-02 | 重庆红江机械有限责任公司 | Unattended test bed |
| CN112558531A (en) * | 2020-12-29 | 2021-03-26 | 天津航天瑞莱科技有限公司 | Intelligent control system of high-temperature fuel test bed |
| CN114414235A (en) * | 2021-12-21 | 2022-04-29 | 西安法士特汽车传动有限公司 | Transmission inclination test method, system, device, terminal equipment and storage medium |
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