CN201820376U - Force feedback steering wheel device applied to driving simulator - Google Patents
Force feedback steering wheel device applied to driving simulator Download PDFInfo
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- CN201820376U CN201820376U CN2010205582862U CN201020558286U CN201820376U CN 201820376 U CN201820376 U CN 201820376U CN 2010205582862 U CN2010205582862 U CN 2010205582862U CN 201020558286 U CN201020558286 U CN 201020558286U CN 201820376 U CN201820376 U CN 201820376U
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Abstract
The utility model discloses a force feedback steering wheel device applied to a driving simulator. A torque motor, an photoelectric encoder, a magnetic powder brake, a disk with an extension spring, a torque sensor and a steering wheel are mounted in sequence on a pedestal of the driving simulator, wherein the torque motor, the photoelectric encoder, the magnetic powder brake and the torque sensor are connected with a control system respectively; and the control system is connected with a personal computer (PC). The magnetic powder brake simulates a feedback frictional torque, the extension spring stimulates an aligning torque, and the torque motor simulates other feedback torques. In the measurement and control devices, the torque sensor measures feedback torques, the photoelectric encoder measures the rotation angle and the rotation speed of the steering wheel, the measured data are transmitted to the control system, and the control system calculates while integrating the virtual parameters in the PC and sends a control signal to a driving device, so as to achieve the closed-loop control. The utility model has the advantages of large feedback torque, accurate control and high durability and reliability, and is suitable for the high-level driving simulators of the heavy-duty engineering trucks and the military vehicles.
Description
Technical field
The utility model relates to a kind of force feedback steering wheel device, especially relates to a kind of force feedback steering wheel device that is applied to driving simulator.
Background technology
The application of vehicle simulator in driver training is more and more general, vehicle driving simulator creates a kind of with actual close driving condition by what comes into a driver's demonstration, audio, virtual operation system etc., fast development along with electronic technology, the display effect of virtual driving is relatively near true, but driving condition true to nature is not only the what comes into a driver's effect, also should comprise power sense feedback.Under the real conditions, vehicle in the process of moving, because the variation of transport condition, pavement behavior and the steering wheel angle of vehicle, it rotates also difference of the needed power of steering wheel, this is because the road surface produces the retroaction of steering mechanism, the friction force of steering mechanism and the moment of inertia of steering, so the application of power sense feedback can make virtual driving more near real conditions.
Its steering wheel of general vehicle driving simulator by spring or torsion spring back and forth just is, though simple aligning torque can be simulated by this steering wheel mechanism, but its aligning torque is the proportionate relationship of fixing, can not change along with the variation of vehicle ' situation, its feedback moment only becomes simple linear relationship with steering wheel angle, can not reflect real driving condition.
There is more game direction dish on sale in the market, higher game direction dish also provides the power sense simulation of force feedback, but it only produces feedback force by a reducing motor, and its force feedback effect is realized by motor fully, can not simulate all power, such as friction force.It is simple in structure in addition, and feedback moment is less, generally is no more than 1Nm, therefore only is suitable for game player's amusement on the PC of family.
At present, the specialty driving training simulator is more and more higher to the requirement of power sense feedback, particularly heavy engineering vehicle and military vehicle driver training simulator, these simulators require that simulate effects are true, feedback moment is big, and maximum feedback moment requires more than 10Nm.
In order to simulate the power sense of steering wheel more truly, but the normal servomotor that adopts rotating speed and moment proportional control, but because in the steering wheel rotation process, usually need motor to be in stall and pressure inverted status, when feedback moment requires greatly, required motor power also needs to increase, and general servomotor is easy to heating burnout.
Summary of the invention
At professional driving training simulator, the particularly specific (special) requirements of heavy engineering vehicle and military vehicle driver training simulator, the purpose of this utility model is to provide a kind of force feedback steering wheel device that is applied to vehicle simulator, come the sense of analog feedback power by the combination of adopting torque motor, magnetic powder brake and spring force, can significantly improve the scope of simulation moment, need not to increase the feedback moment requirement that more easily realizes under the situation of radiating condition more than the 10Nm.
The technical solution adopted in the utility model is:
Torque motor and reductor are fixed on the motor base, motor base is fixed on the simulator base, the projecting shaft of reductor is connected with an end of transmission shaft by first spring coupling, photoelectric encoder is enclosed within the middle part of transmission shaft, on the fixed conveyor axle, the middle part of transmission shaft connects magnetic powder brake by key in addition, magnetic powder brake is fixed on the detent base, photoelectric encoder is fixed on the opposite side of detent base, the detent base is fixed on the simulator base, disk is enclosed within on the transmission shaft and fixes with axle, one end of two extension springs hangs on the hanger by hook, hanger is fixed on the simulator base, wherein the other end of an extension spring is connected with an end of wire rope, wire rope is after reeling in the groove on the disk face of cylinder, the other end of wire rope is connected with the other end of another root extension spring, the transmission shaft other end is connected with torque sensor one external part by second spring coupling, another external part of torque sensor is connected by the 3rd spring coupling with the steering wheel rotating shaft, the rolling bearing endoporus is passed in the steering wheel rotating shaft, rolling bearing is fixed on the steering wheel panel, and the steering wheel panel is fixed on the simulator base.
The beneficial effect that the utlity model has is:
1, torque motor can provide bigger feedback moment, and can work long hours at stall and inverted status, and its watt level is suitable, can not burn because of heating, and torque motor and servo-driver are used, and can realize the accurate control of feedback moment.
2, the magnetic powder brake friction force in the simulating vehicle steering truly, and and torque motor cooperate bigger feedback moment be provided.
3, firm in structure reliable, long service life, feedback moment is big, is applicable to the force feedback steering wheel device of the senior driving simulator of heavy engineering vehicle and military vehicle.
Description of drawings
Fig. 1 is a general structure principle schematic of the present utility model.
Fig. 2 is Fig. 1 cut-open view vertically.
Fig. 3 is the utility model control principle block diagram.
Among the figure: 1, simulator base, 2, torque motor, 3, reductor, 4, motor base, 5, spring coupling, 6, photoelectric encoder, 7, detent base, 8, magnetic powder brake, 9, transmission shaft, 10, holding screw, 11, disk, 12, extension spring, 13, wire rope, 14, hanger, 15, spring coupling, 16, torque sensor, 17, the sensor backing plate, 18, spring coupling, 19, rolling bearing, 20, the steering wheel panel, 21, steering wheel, 22, PC computing machine, 23, control system.
Embodiment
The utility model will be further described below in conjunction with drawings and embodiments.
As Fig. 1, shown in Figure 2, torque motor 2 and reductor 3 are by being bolted on the motor base 4, motor base 4 is fixed on the simulator base 1, the projecting shaft of reductor 3 is connected with an end of transmission shaft 9 by first spring coupling 5, photoelectric encoder 6 is by the middle part of inner hole sleeve at transmission shaft 9, and with on one piece of holding screw fixed conveyor axle 9, the middle part of transmission shaft 9 connects magnetic powder brake 8 by key in addition, magnetic powder brake 8 by screw retention on detent base 7, photoelectric encoder 6 is by the opposite side of screw retention at detent base 7, detent base 7 is fixed on the simulator base 1, disk 11 by inner hole sleeve on transmission shaft 9, be drilled with the threaded hole of two intervals, 90 degree on the step of disk 11, it is fixing with axle to be screwed into two pieces of holding screws 10 in the threaded hole, one end of two extension springs 12 hangs on the hanger 14 by hook, hanger 14 is fixed on the simulator base 1, wherein the other end of an extension spring 12 is connected with an end of wire rope 13, wire rope 13 is after reeling in the groove on disk 11 faces of cylinder, the other end of wire rope 13 is connected with the other end of another root extension spring 12, transmission shaft 9 other ends are connected with torque sensor 16 1 external parts by second spring coupling 15, torque sensor 16 another external parts are connected by the 3rd spring coupling 18 with steering wheel 21 rotating shafts, 17 is the sensor backing plate, rolling bearing 19 endoporus are passed in steering wheel 21 rotating shafts, rolling bearing 19 is by being bolted on the steering wheel panel 20, and steering wheel panel 20 is fixed on the simulator base 1.
Working method of the present utility model is:
As shown in Figure 3, after system opens, photoelectric encoder 6 is set at the centre position with current location, after driver's opplied moment acts on the steering wheel 21, steering wheel 21 rotates, photoelectric encoder 6 sends to the steering wheel angle signal that obtains the input end of control system 23,23 pairs of angular signals of control system are handled, after the calculating, draw the corner and the rotating speed of steering wheel 21, control system sends the corner data by serial communication to PC computing machine 22 then, the PC computing machine obtains controlling the motion of virtual vehicle model in virtual views behind the angular signal, the traveling state of vehicle that the while control system receives the virtual drivings from PC computing machine 22, as car speed, the pavement friction resistance, data such as vehicle booster coefficient, control system more than 23 pairs data calculate the steering wheel moment of resistance by certain funtcional relationship near truth, this funtcional relationship can be expressed as:
T＝f(δ，ω，ε，v，γ)
Wherein, δ is a steering wheel angle, and ω is the steering wheel rotating speed, and ε is the comprehensive friction factor in road surface, and v is the speed of a motor vehicle, and γ is the vehicle booster coefficient.
The steering wheel moment of resistance T that calculates gained comprises two parts, and a part is a moment of friction, and another part is an aligning torque; Moment of friction is provided by magnetic powder brake 8, and according to the parameter of magnetic powder brake 8, control system 23 calculates control signal corresponding, and control magnetic powder brake 8 produces moment of friction; Aligning torque is provided jointly by torque motor 2 and extension spring 12, and wherein the aligning torque and the corner that provide of extension spring 12 is linear, and coefficient is fixed.Control system 23 transmits control signal to electric machine controller according to the aligning torque size, thereby makes torque motor 2 and the corresponding aligning torque of extension spring 12 common generations.Act in the rotating shaft of steering wheel 21 by torque motor 2, extension spring 12, the magnetic powder brake 8 comprehensive feedback moments that produce, the actual torque signals that torque sensor 16 will act on the steering wheel 21 sends to control system 23, control system 23 compares the actual moment and the theory of computation moment of resistance, adjust control signal in real time, realize closed-loop control, thereby make control more accurate.The final feedback moment that produces is experienced by hand by the driver, the driver can be experienced drive power sense feedback more really.
Above whole control process constantly refreshes with certain frequency, and control system 23 is constantly calculated also more new data according to the driving condition in the virtual driving, thereby reaches the real-time change of the steering wheel moment of resistance.
Behind the system finishing, because the return action of two extension springs 12 of symmetry, final extension spring 12 can return to equal length, and the wire rope 13 that connects them is wound on the disk 11, therefore extension spring 12 drives disk 11, transmission shaft 9 by wire rope 13, the final steering wheel 21 that drives is returned to the centering position, when following subsystem is opened, with this position as the centre position.
Claims (1)
1. force feedback steering wheel device that is applied to driving simulator, it is characterized in that: torque motor (2) and reductor (3) are fixed on the motor base (4), motor base (4) is fixed on the simulator base (1), the projecting shaft of reductor (3) is connected with an end of transmission shaft (9) by first spring coupling (5), photoelectric encoder (6) is enclosed within the middle part of transmission shaft (9), on the fixed conveyor axle (9), the middle part of transmission shaft (9) connects magnetic powder brake (8) by key in addition, magnetic powder brake (8) is fixed on the detent base (7), photoelectric encoder (6) is fixed on the opposite side of detent base (7), detent base (7) is fixed on the simulator base (1), disk (11) is enclosed within transmission shaft (9) and goes up with axle fixing, one end of two extension springs hangs on the hanger (14) by hook, hanger (14) is fixed on the simulator base (1), wherein the other end of an extension spring is connected with an end of wire rope (13), wire rope (13) is after reeling in the groove on disk (11) face of cylinder, the other end of wire rope (13) is connected with the other end of another root extension spring, transmission shaft (9) other end is connected with torque sensor (16) one external parts by second spring coupling (15), another external part of torque sensor (16) is connected by the 3rd spring coupling (18) with steering wheel (21) rotating shaft, rolling bearing (19) endoporus is passed in steering wheel (21) rotating shaft, rolling bearing (19) is fixed on the steering wheel panel (20), and steering wheel panel (20) is fixed on the simulator base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582862U CN201820376U (en) | 2010-10-12 | 2010-10-12 | Force feedback steering wheel device applied to driving simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205582862U CN201820376U (en) | 2010-10-12 | 2010-10-12 | Force feedback steering wheel device applied to driving simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201820376U true CN201820376U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205582862U Expired - Fee Related CN201820376U (en) | 2010-10-12 | 2010-10-12 | Force feedback steering wheel device applied to driving simulator |
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| CN (1) | CN201820376U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976521A (en) * | 2010-10-12 | 2011-02-16 | 浙江大学 | Force feedback steering wheel device applied to driving simulator |
| CN102393763A (en) * | 2011-06-27 | 2012-03-28 | 北京航空航天大学 | Device and method for outputting adjustable feedback force |
| CN102700522A (en) * | 2012-05-25 | 2012-10-03 | 浙江大学 | Device for simulating sensation of brake pedal applied to vehicle driving simulator |
| CN107797100A (en) * | 2017-10-24 | 2018-03-13 | 陕西黄河集团有限公司 | Superminiature high-power radar servomechanism closed-loop path fictitious load platform |
| CN110165838A (en) * | 2019-04-11 | 2019-08-23 | 广东省智能制造研究所 | A kind of moment of elasticity control device |
| CN117244234A (en) * | 2023-09-21 | 2023-12-19 | 东莞市星辰互动电子科技有限公司 | System for dynamically collecting and controlling steering wheel torque change in real time during game process |
-
2010
- 2010-10-12 CN CN2010205582862U patent/CN201820376U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101976521A (en) * | 2010-10-12 | 2011-02-16 | 浙江大学 | Force feedback steering wheel device applied to driving simulator |
| CN102393763A (en) * | 2011-06-27 | 2012-03-28 | 北京航空航天大学 | Device and method for outputting adjustable feedback force |
| CN102700522A (en) * | 2012-05-25 | 2012-10-03 | 浙江大学 | Device for simulating sensation of brake pedal applied to vehicle driving simulator |
| CN102700522B (en) * | 2012-05-25 | 2014-07-23 | 浙江大学 | Device for simulating sensation of brake pedal applied to vehicle driving simulator |
| CN107797100A (en) * | 2017-10-24 | 2018-03-13 | 陕西黄河集团有限公司 | Superminiature high-power radar servomechanism closed-loop path fictitious load platform |
| CN110165838A (en) * | 2019-04-11 | 2019-08-23 | 广东省智能制造研究所 | A kind of moment of elasticity control device |
| CN117244234A (en) * | 2023-09-21 | 2023-12-19 | 东莞市星辰互动电子科技有限公司 | System for dynamically collecting and controlling steering wheel torque change in real time during game process |
| CN117244234B (en) * | 2023-09-21 | 2024-02-27 | 东莞市星辰互动电子科技有限公司 | System for dynamically collecting and controlling steering wheel torque change in real time during game process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20111012 |