CN103926090B - Belt-type tire high speed experiment table with deviation correction function and control method - Google Patents
Belt-type tire high speed experiment table with deviation correction function and control method Download PDFInfo
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- CN103926090B CN103926090B CN201410155175.XA CN201410155175A CN103926090B CN 103926090 B CN103926090 B CN 103926090B CN 201410155175 A CN201410155175 A CN 201410155175A CN 103926090 B CN103926090 B CN 103926090B
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Abstract
The invention relates to a belt-type tire high speed experiment table with a deviation correction function and a control method. The belt-type tire high speed experiment table with the deviation correction function comprises a driving roller shaft, a driven roller shaft, a driving roller, a driven roller and a conveying belt, wherein the driving roller shaft and the driven roller shaft are arranged on an experiment table frame, the driving roller and the driven roller are arranged on the driving roller shaft and the driven roller shaft respectively through bearings, and the conveying belt is wound around the driving roller and the driven roller. The two ends of the driving roller shaft are in rigid connection with the experiment table frame. A roller driving motor fixedly arranged on the experiment table frame is in driving connection with the driving roller through a transmission mechanism. Two longitudinal guiding and tensioning adjusting mechanisms which can move along the conveying belt in the longitudinal direction are fixedly arranged on the two sides of the experiment table frame respectively. The two ends of the driven roller shaft are arranged on knuckle bearing supports of the longitudinal guiding and tensioning adjusting mechanisms respectively through knuckle ball bearings. The belt-type tire high speed experiment table can ensure online deviation correction and has the advantages of being simple in structure, small in occupied space, convenient to arrange, easy to control and the like.
Description
Technical field
The invention belongs to tire for vehicles experiment test equipment is and in particular to a kind of belt tire high velocity experiments platform with deviation-correcting function
And control method, can be used for solving the problems, such as belt tire high velocity experiments platform cause conveyer belt sideslip when by side force it is ensured that
It works reliable and stablely.
Background technology
The high velocity experiments being required for a kind of tire in the theoretical research of mechanics of tire and tire product development field are equipped and to be simulated wheel
The actually used operating mode of tire, the various mechanical properties of test tire.Conventional tire high velocity experiments platform is many to carry out simulation road using rotary drum
Face, but because drum surface is curved surface, can there is deviation with actual road surface in the road surface simulated.Therefore people are more likely to use
Transmission brings simulated roadway to realize tire high speed test.But, the technology difficulty solving required for belt tire high velocity experiments platform
Topic is exactly that the sideslip of band is corrected.Tire often can be subject to side force (as operating modes such as lateral deviation, inclinations), this hour wheel in experiment test
Tire also can give one counteractive side force of conveyer belt, and this power can make band that lateral skew occurs.When side force is sufficiently large,
Can make band that unacceptable laterally offset occurs, even result in the damage of laboratory table.Thus, it is ensured that Tire experiment platform is normal
Operating, needs the correcting device of a conveyer belt sideslip.Existing conveyer belt deviation correcting device structure is all more complicated, cost
Higher, take up room larger it is difficult to arrange.
Content of the invention
It is an object of the invention in order to overcome the shortcomings of existing belt tire high velocity experiments platform, propose a kind of there is deviation-correcting function
Belt tire high velocity experiments platform and control method, ensure that the online sideslip of tire high velocity experiments platform is corrected, have structure simple,
Take up room the advantages of little, arrangement is convenient, easy to control.
The present invention has the belt tire high velocity experiments platform of deviation-correcting function, including be arranged on experiment table frame on drive roller shaft and
Follower rollers axle, is separately positioned on driving cylinder and the follower rollers in drive roller shaft and follower rollers axle, cincture by bearing
Conveyer belt on driving cylinder and follower rollers, the control system being constituted with upper and lower computer pattern；
Described drive roller shaft two ends are rigidly connected with experiment table frame, and the drum drive motor being installed on experiment table frame leads to
Cross drive mechanism with drive drum driven is connected, experiment table frame both sides respectively fixed a set of can along conveyer belt vertically move indulge
To guiding and tensioning governor motion, the two ends of described follower rollers axle are arranged on longitudinally guiding and are opened by joint ball bearing respectively
On the oscillating bearing bearing of tight governor motion；
On described experiment table frame, also fixed one is placed in the support baseboard of the upper circular layer bottom of described conveyer belt, in tested tire
Push and during conveyer belt, make conveyer belt and support baseboard be in CONTACT WITH FRICTION；
In the side of experiment table frame, conveyer belt rolling speed sensor and light source are provided with by line speed sensor stand；
Line speed sensor is connected by communication data line with described control system slave computer computer, realize conveyer belt longitudinally and
The controlled reading of side velocity；Drum drive motor controller is connected by communication data line with slave computer, realizes motor
Drive control and the reading of motor speed；Drum drive motor controller passes through power cable and communication data with drum drive motor
Line connects, and realizes controller power output to the passback of motor and motor speed signal；Two sets of described longitudinally guidings are adjusted with tensioning
The regulation electric machine controller of mechanism is connected by communication data line with slave computer computer respectively, realizes adjusting speed and the electric current of motor
(moment) controls and adjusts the reading of motor speed；Adjust electric machine controller and pass through power cable and communication data with adjusting motor
Line connects, and realizes the feedback adjusting electric machine controller power output and adjusting motor speed.
Joint ball bearing centre hole tight fit connection on described one end of follower rollers axle and this end, and by being arranged on driven rolling
Jump ring on cylinder this end of axle and the axial movement of stop nut restriction joint ball bearing and follower rollers between centers；Follower rollers axle another
One end setting one is connected with the joint ball bearing centre hole tight fit on this end with the sliding bearing that it is in sliding fit, this sliding bearing
Connect, and the axial movement between joint ball bearing and sliding bearing is limited by the jump ring being arranged on sliding bearing two ends.
Described drum drive motor is included with the drive mechanism driving cylinder: is rigidly attached to respectively on the output shaft of motor
It is connected by tooth kneading thereon with this two synchronizing wheel and realizes being driven with the driving synchronizing wheel driving on cylinder and driven synchronizing wheel
Timing Belt.
The described longitudinally guiding and the tensioning governor motion that are installed in experiment table frame both sides, comprising: adjust motor, pass through two
Screw mandrel-feed screw nut pair that rod bearing bearing is arranged on laboratory table frame facet, it is rigidly attached to experiment table frame by screw
On side two parallel line slideways, two slide blocks of line slideway sliding fit parallel with two respectively, oscillating bearing bearing；Institute
State regulation motor to be connected with one end of screw mandrel-feed screw nut pair by shaft joint, it is solid that feed screw nut passes through feed screw nut's connecting seat
It is connected on oscillating bearing bearing, two described slide blocks are rigidly connected with oscillating bearing bearing.
The control system of the present invention adopts upper and lower computer pattern.Wherein, line speed sensor and slave computer computer pass through communication
Data wire connects, and realizes the controlled reading of conveyer belt longitudinally and laterally speed；Drum drive motor controller and slave computer pass through logical
News data wire connects, and realizes the drive control of motor and the reading of motor speed；Drum drive motor controller is driven with cylinder
Galvanic electricity machine passes through power cable and communication data line and connects, realize controller power output arrive motor and motor speed signal time
Pass；Two regulation electric machine controllers are connected by communication data line with slave computer computer, realize adjusting speed and the electric current (power of motor
Square) control and adjust motor speed reading；Adjust electric machine controller to connect by power cable and communication data line with regulation motor
Connect, realize the feedback adjusting electric machine controller power output and adjusting motor speed.
To sum up, the present invention can achieve that the correction of belt tire high velocity experiments platform, it is ensured that the normal operation of laboratory table, can make biography simultaneously
Band is sent to keep rational pretightning force.
The present invention has the control method of the belt tire high velocity experiments platform of deviation-correcting function, realizes according to the following steps:
Speed controlling:
A. set the rolling speed of the tire needing simulation, draw the target drives motor speed of needs through conversion；
B. pass through host computer target setting motor rotating speed, instruction is passed to slave computer, slave computer through data wire by host computer
Again instruction is passed to drive motor controller；
C. required driving current is passed to motor through power cable by drive motor controller, so that motor is reached necessarily
Rotating speed, the transient speed of motor feeds back to lower drive motor controller through its speed probe, and controller is carried out to motor speed
Feedback control is adjusted.
Can also the change speed continuous control function specified of control realization with above method.
Tensioning controls:
Realize the control of the tensioning degree of conveyer belt as shown in Figure 1 and Figure 4, step is as follows:
A. being set by host computer makes cylinder reach formulation speed；
B. now it is in the state of slightly loose relaxation between conveyer belt and cylinder, so that two regulation motor in synchrony is rotated, promote follower rollers simultaneously
Tensioning conveyer belt；
C. linear velocity is rolled by the longitudinal direction that line speed sensor reads conveyer belt, this speed and motor are turned simultaneously
The speed (being scaled the cylindrical linear velocity of cylinder) that fast sensor records is compared, and the difference of the two is fed back to slave computer；
D. cycle criterion conveyer belt rolling linear speed and the difference driving cylinder external circe speed, when difference is more than and sets deviation
Continue to adjust motor in synchrony promotion follower rollers by two, when difference is less than and sets deviation, stop promoting follower rollers；
E. simultaneously by the operating current adjusting electric machine controller monitoring motor in previous step, when the instantaneous electricity of two motors
When stream is more than setting maximum, should stop promoting cylinder, and suitably increase conveyer belt rolling linear speed and drive round wires outside cylinder
Speed sets deviation, repeats Step d.
Correction controls:
The correction realizing conveyer belt laterally offset as shown in Figure 1 and Figure 5 controls, and specifically comprises the following steps that
A. being set by host computer makes cylinder reach command speed；
B. now cylinder and conveyer belt are in suitable tensioning state, after having tire with the side force transmitting interband, conveyer belt
Laterally offset can be produced, this skew is passed through line speed light flow sensor and read, and feeds back to slave computer；
C., after slave computer judges direction and the size of conveyer belt skew, transmission is realized by the differential input of two regulation motors
Correction with laterally offset.Particularly as follows: when conveyer belt offsets downward (as Fig. 1 and Fig. 5 position), driving top to adjust electricity
Machine makes top screw mandrel-pair of nut move right, and drives and offset to the right above cylinder, the operating current with motor simultaneously,
Longitudinal linear velocity of conveyer belt is read after conveyer belt returns to initial lateral position by correction, if its longitudinal velocity decreases,
Driving top to adjust motor makes to be moved to the left above cylinder, until conveyer belt longitudinal direction linear velocity is recovered.When conveyer belt offsets up,
Ibid method is taken to drive the corresponding motor that adjusts to realize bias correcting.
The present invention has an advantage following outstanding:
1) present invention has the belt tire high velocity experiments platform of deviation-correcting function, by two regulation motors through screw mandrel guiding mechanism simultaneously
Realize tensioning and the correction of cylinder, its structure simply it is easy to arrangement, low cost, and efficiency high, controls well.
2) deviation-rectifying system of conventional belt Tire experiment platform is all hydraulic actuation, all starts of deviation correcting device of the present invention and control
System all achieves electrification, and system debug and maintenance are all more convenient, and control performance is more guaranteed, and system reliability is higher.
4) the non-contacting optical pickocff of present invention application measures the laterally offset of conveyer belt, has more compared with touch sensor
Good reliability.
5) the deviation correction mechanism start direction of conventional belt Tire experiment platform is vertical with simulated roadway, when side force changes, mould
Intend road surface can twist it is impossible to ensure simulated roadway level；The deviation correcting device of the present invention, the start direction of its deviation correction mechanism with
Simulated roadway parallel it is ensured that experiment tire rolling road surface level.
Brief description
Fig. 1 is the belt tire high velocity experiments platform top view with deviation-correcting function；
Fig. 2 is the belt tire high velocity experiments platform axonometric drawing with deviation-correcting function；
Fig. 3 is the belt tire high velocity experiments platform side view with deviation-correcting function；
Fig. 4 is that the belt tire high velocity experiments platform cylinder tensioning with deviation-correcting function adjusts schematic diagram；
Fig. 5 is that the belt tire high velocity experiments platform correction with deviation-correcting function adjusts schematic diagram；
Fig. 6 is the belt tire high velocity experiments platform control flow chart with deviation-correcting function.
Specific embodiment
Below in conjunction with the embodiment that accompanying drawing is given, the present invention is described in further detail.
Example 1
With reference to Fig. 1～3, a kind of belt tire high velocity experiments platform with deviation-correcting function, comprising: drive cylinder 1, drive cylinder
Axle 2, drive roller shaft are held 3, drum drive motor 4, are driven synchronizing wheel 5, Timing Belt 6, driven synchronizing wheel 7, driven rolling
Cylinder 8, follower rollers axle 9, follower rollers bearing 10, joint ball bearing 11, sliding bearing 12, jump ring 13, stop nut
14th, oscillating bearing bearing 15, line slideway 16, slide block 17, screw mandrel-feed screw nut pair 18, feed screw nut's connection seat 19,
Screw mandrel bearing spider 20, shaft joint 21, the regulation motor 22 with decelerator, conveyer belt 23, conveyer belt rolling speed sensor
24th, light source 25, line speed sensor stand 26, experiment table frame 27, runners 28, support baseboard 29.
As shown in figure 1, drive cylinder 1 to hold 3 by two drive roller shaft being connected with drive roller shaft 2, drive roller shaft 2
Two ends are rigidly connected with experiment table frame 27, drive synchronizing wheel 5 and driven synchronizing wheel 7 to be rigidly attached to motor 4 respectively
Output shaft on and drive on cylinder 1, the tooth that Timing Belt 6 and this two synchronizing wheel are passed through thereon is mediated and is connected and realizes to be driven, drive
The torque of galvanic electricity machine 4 by drive synchronizing wheel 5, Timing Belt 6, driven synchronizing wheel 7 pass to driving cylinder 1, motor 4
It is rigidly connected by bolt with experiment table frame 27；
As shown in Fig. 2 conveyer belt 23 is propped up by driving cylinder 1 and follower rollers 8, and CONTACT WITH FRICTION and between two cylinders, drive
The rotating torque of dynamic cylinder 1 passes to conveyer belt 23 by friction, then passes to follower rollers 8 by conveyer belt.Support baseboard
29 are rigidly connected with experiment table frame 27, and are located at the bottom of circular layer on conveyer belt 23, and during test, tire is subject under vertical load
Pressure conveyer belt 23, is made conveyer belt 23 be contacted with support baseboard 29, and is born the vertical load of tire by support baseboard, transmission
Band will be with support baseboard CONTACT WITH FRICTION.
Referring to figs. 1 to 3, follower rollers 8 are connected with follower rollers axle 9 by two follower rollers bearings 10, follower rollers
Joint ball bearing 11 centre bore tight fit connection on one end of axle 9 and this end, and by being arranged on this end of follower rollers axle 9
Jump ring 13 and stop nut 14 limit the axial movement of joint ball bearing and follower rollers between centers；Follower rollers axle 9 another
End setting one and the sliding bearing 12 that it is in sliding fit, this sliding bearing 12 is tight with joint ball bearing 11 centre bore on this end
It is connected, and limited between joint ball bearing 11 and sliding bearing 12 by the jump ring 13 being arranged on sliding bearing 12 two ends
Axial movement.
In experiment table frame 27 both sides, fixed a set of longitudinally guiding that can vertically move along conveyer belt 23 adjusts machine with tensioning respectively
Structure, the two ends of follower rollers axle 9 are arranged on the joint shaft of longitudinally guiding and tensioning governor motion respectively by joint ball bearing 11
Hold on bearing 15.
Described longitudinally guiding and tensioning governor motion, comprising: adjust motor 22, be arranged on by two screw mandrel bearing spiders 20
Test the screw mandrel-feed screw nut pair 18 on table frame 27 side, be rigidly attached to by screw on experiment table frame 27 side
Two parallel line slideways 16, two slide blocks 17 of line slideway 16 sliding fit parallel with two respectively, oscillating bearing bearing 15；
Described regulation motor 22 is connected with one end of screw mandrel-feed screw nut pair 18 by shaft joint 21, and feed screw nut passes through screw mandrel spiral shell
Female connecting seat 19 is connected on oscillating bearing bearing 15, and two described slide blocks 17 are rigidly connected with oscillating bearing bearing 15.By
This realizes the longitudinally guiding motion of follower rollers.
The rotation adjusting motor 22 is passed through shaft joint 21 and is passed to screw mandrel-feed screw nut pair 18, the rotation of screw mandrel by screw mandrel-
Feed screw nut pair is changed into moving linearly, and the movement of feed screw nut passes to cylinder through intermediate link to be realized it and vertically move, two regulations
The synchronous rotating in same direction of motor moves in parallel regulation by realizing follower rollers 8 with respect to drive cylinder 1, i.e. the regulation of tensioning degree,
Asynchronous (asynchronous in the same direction, or reversely) of two regulation motors rotates the angular adjustment that can achieve follower rollers.
Four runners 28 are connected firmly by screw with experiment table frame 27, support the main quality of laboratory table, and scalable laboratory table
Horizontal attitude.
As shown in fig. 6, the control system of the present invention adopts upper and lower computer pattern.Wherein, line speed sensor 24 with
The dynamo-electric nicergoline in position is crossed communication data line and is connected, and realizes the controlled reading of conveyer belt longitudinally and laterally speed；Drum drive motor controls
Device is connected by communication data line with slave computer, realizes the drive control of motor and the reading of motor speed；Drum driven electricity
Machine controller is connected by power cable and communication data line with drum drive motor 4, realize controller power output to motor and
The passback of motor speed signal；Two regulation electric machine controllers are connected by communication data line with slave computer computer, realize adjusting motor
Speed and electric current (moment) control and adjust motor speed reading；Adjust electric machine controller and adjust motor 22 by dynamic
Power cable and communication data line connect, and realize the feedback adjusting electric machine controller power output and adjusting motor speed.
As can be seen here, invent the correction that can achieve belt tire high velocity experiments platform it is ensured that the normal operation of laboratory table, can make simultaneously
Conveyer belt keeps rational pretightning force.
The control method that the present invention has the belt tire high velocity experiments platform of deviation-correcting function is as follows:
Speed controlling:
A. set the rolling speed of the tire needing simulation, draw the target drives motor speed of needs through conversion；
B. pass through host computer target setting motor rotating speed, instruction is passed to slave computer, slave computer through data wire by host computer
Again instruction is passed to drive motor controller；
C. required driving current is passed to motor through power cable by drive motor controller, so that motor is reached necessarily
Rotating speed, the transient speed of motor feeds back to lower drive motor controller through its speed probe, and controller is carried out to motor speed
Feedback control is adjusted.
Can also the change speed continuous control function specified of control realization with above method.
Tensioning controls:
Realize the control of the tensioning degree of conveyer belt as shown in Figure 1 and Figure 4, step is as follows:
A. being set by host computer makes cylinder reach formulation speed；
B. now it is in the state of slightly loose relaxation between conveyer belt and cylinder, so that two regulation motor in synchrony is rotated, promote follower rollers simultaneously
Tensioning conveyer belt；
C. linear velocity is rolled by the longitudinal direction that line speed light flow sensor reads conveyer belt, simultaneously by this speed and driving electricity
The speed (being scaled the cylindrical linear velocity of cylinder) that machine speed probe records is compared, and under the difference of the two is fed back to
Position machine；
D. cycle criterion conveyer belt rolling linear speed and the difference driving cylinder external circe speed, when difference is more than and sets deviation
Continue to adjust motor in synchrony promotion follower rollers by two, when difference is less than and sets deviation, stop promoting follower rollers；
E. simultaneously by the operating current adjusting electric machine controller monitoring motor in previous step, when the instantaneous electricity of two motors
When stream is more than setting maximum, should stop promoting cylinder, and suitably increase conveyer belt rolling linear speed and drive round wires outside cylinder
Speed sets deviation, repeats Step d.
Correction controls:
The correction realizing conveyer belt laterally offset as shown in Figure 1 and Figure 5 controls, and specifically comprises the following steps that
A. being set by host computer makes cylinder reach formulation speed；
B. now cylinder and conveyer belt are in suitable tensioning state, after having tire with the side force transmitting interband, conveyer belt
Laterally offset can be produced, this skew is passed through line speed light flow sensor and read, and feeds back to slave computer；
C., after slave computer judges direction and the size of conveyer belt skew, transmission is realized by the differential input of two regulation motors
Correction with laterally offset.Particularly as follows: when conveyer belt offsets downward (as Fig. 1 and Fig. 5 position), driving top to adjust electricity
Machine makes top screw mandrel-pair of nut move right, and drives and offset to the right above cylinder, the operating current with motor simultaneously,
Longitudinal linear velocity of conveyer belt is read after conveyer belt returns to initial lateral position by correction, if its longitudinal velocity decreases,
Driving top to adjust motor makes to be moved to the left above cylinder, until conveyer belt longitudinal direction linear velocity is recovered.When conveyer belt offsets up,
Ibid method is taken to drive the corresponding motor that adjusts to realize bias correcting.
Claims (5)
1. a kind of belt tire high velocity experiments platform with deviation-correcting function, including the driving being arranged in experiment table frame (27)
Drum shaft (2) and follower rollers axle (9), hold (3) by drive roller shaft and follower rollers bearing (10) are separately positioned on
Driving cylinder (1) in drive roller shaft (2) and follower rollers axle (9) and follower rollers (8), are looped around driving cylinder
(1) conveyer belt (23) and on follower rollers (8), the control system being constituted with upper and lower computer pattern it is characterised in that:
Described drive roller shaft (2) two ends are rigidly connected with experiment table frame (27), are installed in experiment table frame (27)
On drum drive motor (4) pass through drive mechanism with drive cylinder (1) drive connection, experiment table frame (27) both sides
Respectively fixed a set of longitudinally guiding that can vertically move along conveyer belt (23) and tensioning governor motion, this longitudinally guiding is adjusted with tensioning
Section mechanism includes: adjusts motor (22), is arranged on by screw mandrel bearing spider (20) on experiment table frame (27) side
Screw mandrel-feed screw nut pair (18), by screw be rigidly attached to experiment table frame (27) side on parallel line slideway (16),
With slide block (17), the oscillating bearing bearing (15) of line slideway (16) sliding fit, adjust motor (22) and pass through shaft joint (21)
It is connected with one end of screw mandrel-feed screw nut pair (18), feed screw nut is connected in joint by feed screw nut's connecting seat (19)
On bearing spider (15), slide block (17) is rigidly connected with oscillating bearing bearing (15)；
The two ends of described follower rollers axle (9) are arranged on longitudinally guiding by joint ball bearing (11) respectively and are adjusted with tensioning
On the oscillating bearing bearing (15) of mechanism；That is, the joint ball bearing (11) on one end of follower rollers axle (9) and this end
Centre bore tight fit connection, and by the jump ring (13) being arranged on follower rollers axle (9) this end and stop nut (14) limit
Joint processed ball bearing and the axial movement of follower rollers between centers；Other end setting one and its of follower rollers axle (9) are in sliding fit
Sliding bearing (12), joint ball bearing (11) the centre bore tight fit connection on this sliding bearing (12) and this end, and
Limited between joint ball bearing (11) and sliding bearing (12) by the jump ring (13) being arranged on sliding bearing (12) two ends
Axial movement；
It is placed in the support baseboard of the upper circular layer bottom of described conveyer belt (23) in described experiment table frame (27) upper also fixed
(29), make conveyer belt (23) and support baseboard (29) be in CONTACT WITH FRICTION when tested tire pushes conveyer belt (23)；
In the side of experiment table frame (27), line speed sensor is provided with by line speed sensor stand (26)
And light source (25) (24)；
Line speed sensor (24) is connected by communication data line with described control system slave computer computer, realizes conveyer belt
The longitudinally and laterally controlled reading of speed；Drum drive motor controller is connected by communication data line with slave computer, realizes cylinder
The drive control of motor and the reading of drum drive motor rotating speed；Drum drive motor controller and drum drive motor (4)
Connected by power cable and communication data line, realize drum drive motor controller power output to drum drive motor and cylinder
The passback of motor tach signal；The regulation electric machine controller of two sets of described longitudinally guidings and tensioning governor motion respectively with bottom
Dynamo-electric nicergoline is crossed communication data line and is connected, and realizes adjusting the speed of motor and Torque Control and the reading adjusting motor speed；Adjust
Electric machine controller is connected by power cable and communication data line with adjusting motor, realizes adjusting electric machine controller power output and tune
The feedback of section motor speed.
2. the belt tire high velocity experiments platform with deviation-correcting function according to claim 1 is it is characterised in that described
Drum drive motor (4) is included with the drive mechanism driving cylinder (1): is rigidly attached to drum drive motor (4) respectively
Output shaft on and drive driving synchronizing wheel (5) on cylinder (1) and driven synchronizing wheel (7) and this two synchronizing wheel by it
On tooth mediate connect and realize be driven Timing Belt (6).
3. the method for control speed of the belt tire high velocity experiments platform with deviation-correcting function described in claim 1, its feature exists
In comprising the following steps:
A. set the rolling speed of the tire needing simulation, draw the drum drive motor rotating speed of needs through conversion；
B. drum drive motor rotating speed is set by host computer, instruction is passed to slave computer, slave computer through data wire by host computer
Again instruction is passed to drum drive motor controller；
C. required driving current is passed to drum drive motor through power cable by drum drive motor controller, makes cylinder
Motor reaches certain rotating speed, and the transient speed of drum drive motor feeds back to drum drive motor control through its speed probe
Device, drum drive motor controller carries out feedback control regulation to drum drive motor speed.
4. the tensioning control method of the belt tire high velocity experiments platform with deviation-correcting function described in claim 1, its feature exists
In comprising the following steps:
A. being set by host computer makes driving cylinder reach formulation speed；
B. now it is in the state of slightly loose relaxation between conveyer belt and driving cylinder, so that two regulation motor in synchrony is rotated, promote driven rolling
Cylinder tensioning conveyer belt；
C. linear velocity is rolled by the longitudinal direction that line speed sensor reads conveyer belt, this is longitudinally rolled simultaneously linear velocity with
The driving cylinder external circe speed that drum drive motor speed probe records is compared, and the difference of the two is fed back to bottom
Machine；
D. the difference that cycle criterion conveyer belt longitudinally rolls linear velocity and drives cylinder external circe speed, sets deviation when difference is more than
Shi Jixu adjusts motor in synchrony by two and promotes follower rollers, when difference is less than and sets deviation, stops promoting follower rollers；
E. simultaneously by the operating current adjusting electric machine controller monitoring motor in previous step, when the instantaneous electricity of two regulation motors
When stream is more than setting maximum, should stop promoting follower rollers, and suitably increase conveyer belt and longitudinally roll linear velocity and drive cylinder
External circe speed sets deviation, repeat step d.
5. the correction control method of the belt tire high velocity experiments platform with deviation-correcting function described in claim 1, its feature exists
In comprising the following steps:
A. being set by host computer makes driving cylinder reach command speed；
B. now drive cylinder and conveyer belt to be in suitable tensioning state, after having tire with the side force transmitting interband, pass
Send band can produce laterally offset, this laterally offset is read by line speed sensor, and feeds back to slave computer；
C., after slave computer judges direction and the size of conveyer belt skew, transmission is realized by the differential input of two regulation motors
Correction with laterally offset；Particularly as follows: when conveyer belt offsets downward, driving top to adjust motor makes top screw mandrel-screw mandrel spiral shell
Female pair moves right, and drives and offset to the right above follower rollers, adjusts the operating current of drum drive motor simultaneously, works as transmission
Band reads conveyer belt after correction returns to initial lateral position and longitudinally rolls linear velocity, if it longitudinally rolls linear velocity having dropped
Low, driving top to adjust motor makes to be moved to the left above follower rollers, recovers until conveyer belt longitudinally rolls linear velocity；Work as transmission
When band offsets up, take ibid method to drive lower section to adjust motor and realize bias correcting.
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| CN201410155175.XA CN103926090B (en) | 2014-04-17 | 2014-04-17 | Belt-type tire high speed experiment table with deviation correction function and control method |
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| CN201410155175.XA CN103926090B (en) | 2014-04-17 | 2014-04-17 | Belt-type tire high speed experiment table with deviation correction function and control method |
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| CN103926090B true CN103926090B (en) | 2017-01-18 |
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| CN103926090A (en) | 2014-07-16 |
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