CN104834322B - Force feedback seat for immersion roller-coaster experiencing system - Google Patents
Force feedback seat for immersion roller-coaster experiencing system Download PDFInfo
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- CN104834322B CN104834322B CN201510227592.5A CN201510227592A CN104834322B CN 104834322 B CN104834322 B CN 104834322B CN 201510227592 A CN201510227592 A CN 201510227592A CN 104834322 B CN104834322 B CN 104834322B
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Abstract
The invention discloses a kind of force feedback seat for immersion roller-coaster experiencing system.Including seat platform, moving cylinder, fixed platform, solenoid electric valve and power circuit for power supply, seat platform is installed on the stationary platform by six degree of freedom moving cylinder, fixed platform is provided with six solenoid electric valves, six solenoid electric valves connect respective moving cylinder and are controlled respectively, six solenoid electric valves are connected through magnetic valve link block with control module respectively, air compressor connects six degree of freedom moving cylinder, and power circuit is connected and is powered with control module and six solenoid electric valves respectively.The present invention is used to bring corresponding pose adjustment feedback during experiencer's diverse location in orbit with virtual roller-coaster, solves the limitation of the conditions such as true roller-coaster site factors, personal safety, and the demand for experience that scene is experienced to rich and varied roller-coaster is realized using virtual reality technology, it is safe, there is higher application value.
Description
Technical field
The present invention relates to a kind of force feedback seat, more particularly to a kind of force feedback for immersion roller-coaster experiencing system
Seat.
Background technology
For a long time, the roller-coaster in recreation ground be all one rich in irritating converter tools, that is swift as lightning, has
The frightened pleasant sensation without danger makes many people be fascinated.Gone at express speed when roller-coaster is very fast on cranky track, the sensation of seating also instant
Ten thousand become, but just because of the rotation of roller-coaster high speed and powerful drop cause some high myopias, heart disease or had hidden
The crowd of shape disease adds risk of having an attack of one's old illness.And real roller-coaster is due to the limit of the conditions such as site factors and personal safety
System, the stimulation experience of long range, any scene, bad weather and thrilling track can not be realized.
Current virtual reality (Virtual Reality：VR) technology is as a kind of all round computer graph technology, multimedia
A variety of science and technology such as technology, sensor technology, human-computer interaction technology, network technology, stereo display technique and emulation technology
And the computer realm new technology to grow up, utilize the virtual world of computer simulation one three dimensions of generation, there is provided use
Simulation of the person on sense organs such as vision, the sense of hearing, tactiles, allows user as on the spot in person, can in real time, actively, not by
Things in limitation ground observation three dimensions.
Seat space on existing market is larger, and pose conversion is dumb, along with computer scene information is to seat
Transmission speed it is slower, seat change hysteresis, and convert that posture is not abundant enough, and the experience sense of user is poor.
The content of the invention
For the limitation of true roller-coaster experience, it is an object of the invention to provide one kind to be used for immersion roller-coaster body
The force feedback seat of check system, available for the roller-coaster scene of virtual reality technology, realize descending in true roller-coaster scene,
The experience of the postures such as upward slope, jump, whereabouts, left-leaning and Right deviation.
To realize above-mentioned function, the technical scheme of use is the present invention：
The force feedback seat of the present invention includes seat platform, moving cylinder, fixed platform, solenoid electric valve and for powering
Power circuit, seat platform by six degree of freedom moving cylinder install on the stationary platform, fixed platform is provided with six electricity
Magnetic control valve, six solenoid electric valves connect respective moving cylinder and are controlled respectively, and six solenoid electric valves are respectively through electricity
Magnet valve link block is connected with control module, air compressor connection six degree of freedom moving cylinder, power circuit respectively with control
Module is connected with six solenoid electric valves and is powered.
Described seat platform bottom surface is interval with three seat hinged seats, and fixed platform top surface is interval with puts down with seat
Three platform hinged seats that the seat hinged seat position of platform bottom surface three is staggered installation of, adjacent seat hinged seat and platform hinged seat
Between be connected with moving cylinder, i.e. six moving cylinders are hinged and S-shaped are connected to seat platform bottom surface and fixed platform successively
Between top surface, it is thus connected to form six degree of freedom moving cylinder.
Described control module includes control chip U1 and usb data communication circuit, and control chip U1 is connected with crystal oscillator and answered
Position circuit；Usb data communication circuit：5, the 0 pin ground connection of MicroUSB interfaces, 4 pin of MicroUSB interfaces are hanging, MicroUSB
2 pin and 3 pin of interface connect control chip U1 PA12 pin and PA11 pins after resistance R5, resistance R4 respectively, and 1 pin connects 5V electricity
Source, 2 pin are connected to triode Q1 colelctor electrode through resistance R3, and triode Q1 emitter stage connects 3.3V power supplys, triode Q1 base
Pole is connected through resistance R1 with control chip U1 PC13 pins.
Described magnetic valve link block includes decoder U7 and six circuit structure identical midway drive modules, multiple
Solenoid electric valve is connected to decoder U7 through respective midway drive module；Decoder U7 20 to 23 pins connect control respectively
Control chip U1 17~14 pin in module, decoder U7 18,19,12 pin ground connection, decoder U7 24 pin connect 3.3V power supplys,
Decoder U7 1 to 16 pin connects respective midway drive module as control signal output.
Described midway drive module includes：Decoder U7 control signal output connects triode Q3's through resistance R19
Emitter stage, triode Q3 base stage, triode Q3 colelctor electrode connection optic coupling element U6 1 pin, optic coupling element are connect through resistance R22
U6 2 pin and 3 pin are grounded after resistance R26, resistance R27 respectively, and optic coupling element U6 3 pin connect with FET Q4 grid
Connect, FET Q4 source ground, FET Q4 drain electrode connects 24V power supplys, optic coupling element U6 4 pin warp through diode D4
Resistance R21 connects 24V power supplys, and FET Q4 drain electrode connects solenoid electric valve.
Described power circuit turns 5V power circuits including 24V and 5V turns 3.3V power circuits.
Described 24V turns 5V power circuits：Including power management chip U2, power management chip U2 1 pin and fuse
The 24V power pins of circuit are connected, and 1 pin is grounded through electrochemical capacitor C5, and 3 pin and 5 pin are directly grounded, and 2 pin are successively through inductance L1, electricity
Output 5V power supplys are connected after sense L2 with electrochemical capacitor C6 one end.
Described 5V turns 3.3V power circuits：Including power supply chip U5, power supply chip U5 3 pin and 5V power supplys, 3 pin are through electricity
Electric capacity C15 ground connection is solved, 1 pin is directly grounded, and is being grounded respectively through electric capacity C17, electric capacity C18, electric capacity C19 after 2 pin and the connection of 4 pin, 2
3.3V voltages are exported after pin and the connection of 4 pin.
The beneficial effects of the invention are as follows：
The present invention replaces real roller-coaster seat using force feedback seat, solves what rotation and powerful drop at a high speed were brought
Safety problem.
Force feedback seat of the present invention is used to bring corresponding during experiencer's diverse location in orbit with virtual roller-coaster
Pose adjustment feedback, and design rich and varied roller-coaster using virtual reality technology and experience scene, meet the difference of user
Demand.
The present invention solves the limitation of the conditions such as true roller-coaster site factors, personal safety, to realize that roller-coaster is experienced
Scene offer is possible, and reliability is high, has stronger technological innovation and advance.
Brief description of the drawings
Fig. 1 is the structural representation of seat of the present invention.
Fig. 2 is the annexation block diagram of each module of the present invention.
Fig. 3 is the circuit diagram of single chip control module of the present invention.
Fig. 4 is the circuit diagram of usb communication circuit of the present invention.
Fig. 5 is decoder U7 of the present invention circuit diagram.
Fig. 6 is the circuit diagram of midway drive module of the present invention.
Fig. 7 is that the 24V of the present invention turns the circuit diagram of 5V circuits.
Fig. 8 is that the 5V of the present invention turns the circuit diagram of 3.3V power circuits.
In figure：1st, seat platform, 2, moving cylinder, 3, fixed platform, 4, solenoid electric valve.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the present invention.
As shown in figure 1, force feedback seat of the present invention includes six-freedom motion device and power plant module.Its six degree of freedom is transported
Dynamic device mainly includes seat platform 1, moving cylinder 2, fixed platform 3, solenoid electric valve 4 and the power circuit for power supply,
Seat platform 1 is arranged in fixed platform 3 by six degree of freedom moving cylinder 2, and fixed platform 3 is provided with six solenoid electric valves
4, six solenoid electric valves 4 connect respective moving cylinder 2 and are controlled respectively, as shown in Fig. 2 six solenoid electric valves 4 divide
It is not connected through magnetic valve link block with control module, air compressor connection six degree of freedom moving cylinder 2, power circuit difference
It is connected and is powered with control module and six solenoid electric valves 4.
As shown in figure 1, the above-mentioned bottom surface of seat platform 1 is interval with three seat hinged seats, the top surface interval of fixed platform 3 is set
There are three platform hinged seats being staggered installation of with the seat hinged seat position of 1 bottom surface of seat platform three, adjacent seat hinged seat
It is connected with moving cylinder 2 between platform hinged seat, i.e. six moving cylinders 2 are hinged and S-shaped are connected to seat platform 1 successively
Between bottom surface and the top surface of fixed platform 3, it is thus connected to form six degree of freedom moving cylinder 2.
As shown in figure 3, above-mentioned control module includes control chip U1 and usb data communication circuit, control chip U1 connections
There is crystal oscillator reset circuit；As shown in figure 4, usb data communication circuit：5, the 0 pin ground connection of MicroUSB interfaces, MicroUSB interfaces
4 pin it is hanging, 2 pin and 3 pin of MicroUSB interfaces connected respectively after resistance R5, resistance R4 control chip U1 PA12 pin and
PA11 pins, 1 pin connect 5V power supplys, and 2 pin are connected to triode Q1 colelctor electrode through resistance R3, and triode Q1 emitter stage meets 3.3V
Power supply, triode Q1 base stage are connected through resistance R1 with control chip U1 PC13 pins.
Above-mentioned magnetic valve link block includes decoder U7 and six circuit structure identical midway drive modules, Duo Ge electricity
Magnetic control valve 4 is connected to decoder U7 through respective midway drive module；As shown in figure 5, decoder U7 20 to 23 pins point
Control chip U1 17~14 pin in other link control module, decoder U7 18,19,12 pin ground connection, decoder U7 24 pin
3.3V power supplys are connect, decoder U7 1 to 16 pin connects respective midway drive module as control signal output.
As shown in fig. 6, above-mentioned midway drive module includes：Decoder U7 control signal output connects three through resistance R19
Pole pipe Q3 emitter stage, triode Q3 base stage being connect through resistance R22, triode Q3 colelctor electrode connects optic coupling element U6 1 pin,
Optic coupling element U6 2 pin and 3 pin are grounded after resistance R26, resistance R27 respectively, and optic coupling element U6 3 pin are with FET Q4's
Grid connects, and FET Q4 source ground, FET Q4 drain electrode meets 24V power supplys, optic coupling element U6 through diode D4
4 pin connect 24V power supplys through resistance R21, FET Q4 drain electrode connects solenoid electric valve 4.
The power circuit of the present invention turns 5V power circuits including 24V and 5V turns 3.3V power circuits.
As shown in fig. 7,24V turns 5V power circuits：Including power management chip U2, power management chip U2 1 pin is with protecting
The 24V power pins of dangerous silk circuit are connected, and 1 pin is grounded through electrochemical capacitor C5, and 3 pin and 5 pin are directly grounded, and 2 pin are successively through inductance
Output 5V power supplys are connected after L1, inductance L2 with electrochemical capacitor C6 one end.
Shown in Fig. 8,5V turns 3.3V power circuits：Including power supply chip U5, power supply chip U5 3 pin and 5V power supplys, 3 pin warp
Electrochemical capacitor C15 is grounded, and 1 pin is directly grounded, and is being connect respectively through electric capacity C17, electric capacity C18, electric capacity C19 after 2 pin and the connection of 4 pin
3.3V voltages are exported after ground, 2 pin and the connection of 4 pin.
The specific implementation course of work of the present invention is as follows：
In specific implementation, decoder U7 model can use 74HC154.The model of optocoupler can use EL817.FET
Model can use IRF540N.
As shown in figure 4, the control chip U1 of the present invention is received and sent data by serial ports, or led to by USB
Letter, PC ends scene is to chair control module transfer pose data, and control chip U1 is according to the data receiver of feedback to scene the inside
Data come adjust control seat posture, and then the posture of seat in scene simulated in reality come, and then increase use
The experience at family.
Midway drive module is connected control moving cylinder 2 with solenoid electric valve 4, and six solenoid electric valves 4 are respectively used to control
The motion of six moving cylinders 2 is made, six moving cylinders 2 can realize leaning forward, swing back, carrying for seat by different combination of actions
The poses such as liter, decline, left-leaning and Right deviation, simulate descending, upward slope, jump, whereabouts, left-hand rotation and the right-hand rotation in virtual roller-coaster scene
Deng pose (as shown in table 1 below), bring experiencer and change and seat force feedback as sat the body pose of roller-coaster in reality
Effect.
Table 1
Air compressor output pressure is 2.3MPa air, promotes moving cylinder 2 to act.When the insufficient pressure of air compressor machine
When, the motor being attached thereto can operate the output pressure for making air compressor machine reach specified automatically.
The air valve that control module is connected by the integrated circuit control with single-chip microcomputer with moving cylinder 2 is opened and closed, and is realized to gas
The control of cylinder action.The response frequency of air valve ensures that the pose change of seat is consistent with virtual roller-coaster scene in more than 20Hz,
So as to realize satisfied feeling of immersion.
In summary, the present invention simulates real roller-coaster with cylinder force feedback seat, and seat space is relatively
Small, pose conversion is flexible, and along with computer scene information real-time Transmission is to seat, seat change is timely, and converts posture and enrich,
Breaking through the limitations such as site factors, personal safety simultaneously realizes the stimulation experience of any scene, bad weather and thrilling track, should
System run all right, it is safe, there are higher application value and notable technique effect.
Claims (5)
- A kind of 1. force feedback seat for immersion roller-coaster experiencing system, it is characterised in that：Described force feedback seat bag Include seat platform（1）, moving cylinder（2）, fixed platform（3）, solenoid electric valve（4）And the power circuit for power supply, seat Platform（1）Pass through six degree of freedom moving cylinder（2）Installed in fixed platform（3）On, fixed platform（3）It is provided with six electromagnetism controls Valve processed（4）, six solenoid electric valves（4）Respective moving cylinder is connected respectively（2）It is controlled, six solenoid electric valves（4） It is connected respectively through magnetic valve link block with control module, air compressor connection six degree of freedom moving cylinder（2）, power circuit Respectively with control module and six solenoid electric valves（4）Connection is powered；Described magnetic valve link block includes decoder U7 and six circuit structure identical midway drive modules, multiple electromagnetism Control valve（4）Decoder U7 is connected to through respective midway drive module；Decoder U7 20 to 23 pins connect control respectively Control chip U1 17~14 pin in module, decoder U7 18,19,12 pin ground connection, decoder U7 24 pin connect 3.3V power supplys, Decoder U7 1 to 16 pin connects respective midway drive module as control signal output；Described midway drive module includes：Decoder U7 control signal output connects triode Q3 transmitting through resistance R19 Pole, triode Q3 base stage is connect through resistance R22, triode Q3 colelctor electrode connects optic coupling element U6 1 pin, optic coupling element U6's 2 pin and 3 pin are grounded after resistance R26, resistance R27 respectively, and optic coupling element U6 3 pin are connected with FET Q4 grid, field Effect pipe Q4 source ground, FET Q4 drain electrode connect 24V power supplys through diode D4, and optic coupling element U6 4 pin are through resistance R21 connects 24V power supplys, and FET Q4 drain electrode connects solenoid electric valve（4）；Described control module includes control chip U1 and usb data communication circuit, and control chip U1 is connected with crystal oscillator and resets electricity Road；Usb data communication circuit：5, the 0 pin ground connection of MicroUSB interfaces, 4 pin of MicroUSB interfaces are hanging, MicroUSB interfaces 2 pin and 3 pin connect control chip U1 PA12 pin and PA11 pins after resistance R5, resistance R4 respectively, 1 pin connects 5V power supplys, 2 Pin is connected to triode Q1 colelctor electrode through resistance R3, and triode Q1 emitter stage connects 3.3V power supplys, triode Q1 base stage warp Resistance R1 is connected with control chip U1 PC13 pins.
- A kind of 2. force feedback seat for immersion roller-coaster experiencing system according to claim 1, it is characterised in that： Described seat platform（1）Bottom surface is interval with three seat hinged seats, fixed platform（3）Top surface is interval with and seat platform （1）Three platform hinged seats that the seat hinged seat position of bottom surface three is staggered installation of, adjacent seat hinged seat are hinged with platform Moving cylinder is connected between seat（2）, i.e. six moving cylinders（2）It is hinged successively and S-shaped is connected to seat platform（1）Bottom surface With fixed platform（3）Between top surface, it is thus connected to form six degree of freedom moving cylinder（2）.
- A kind of 3. force feedback seat for immersion roller-coaster experiencing system according to claim 1, it is characterised in that： Described power circuit turns 5V power circuits including 24V and 5V turns 3.3V power circuits.
- A kind of 4. force feedback seat for immersion roller-coaster experiencing system according to claim 3, it is characterised in that： Described 24V turns 5V power circuits：Including power management chip U2, power management chip U2 1 pin and the 24V of fuse circuit Power pins are connected, and 1 pin is grounded through electrochemical capacitor C5, and 3 pin and 5 pin are directly grounded, 2 pin successively after inductance L1, inductance L2 with Electrochemical capacitor C6 one end connection output 5V power supplys.
- A kind of 5. force feedback seat for immersion roller-coaster experiencing system according to claim 3, it is characterised in that： Described 5V turns 3.3V power circuits：Including power supply chip U5, power supply chip U5 3 pin and 5V power supplys, 3 pin are through electrochemical capacitor C15 is grounded, and 1 pin is directly grounded, and is being grounded respectively through electric capacity C17, electric capacity C18, electric capacity C19 after 2 pin and the connection of 4 pin, 2 pin and 4 3.3V voltages are exported after pin connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227592.5A CN104834322B (en) | 2015-05-06 | 2015-05-06 | Force feedback seat for immersion roller-coaster experiencing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510227592.5A CN104834322B (en) | 2015-05-06 | 2015-05-06 | Force feedback seat for immersion roller-coaster experiencing system |
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| Publication Number | Publication Date |
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| CN104834322A CN104834322A (en) | 2015-08-12 |
| CN104834322B true CN104834322B (en) | 2018-01-30 |
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| CN201510227592.5A Expired - Fee Related CN104834322B (en) | 2015-05-06 | 2015-05-06 | Force feedback seat for immersion roller-coaster experiencing system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20170102758A (en) * | 2016-03-02 | 2017-09-12 | 한국전자통신연구원 | Apparatus and method for providing virtual experience based on interactive actual rail coaster |
| CN106325526A (en) * | 2016-10-08 | 2017-01-11 | 浙江拓客网络科技有限公司 | Virtual reality system for video entertainment |
| CN106512394B (en) * | 2016-12-01 | 2020-07-24 | 嘉兴市立特电子科技有限公司 | Virtual reality roller coaster simulation equipment |
| CN114052720B (en) * | 2021-11-15 | 2024-02-06 | 北京交通大学 | Derailment accident human body comfort level monitoring system and method based on virtual reality |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609619Y (en) * | 2002-12-09 | 2004-04-07 | 刘敬平 | Multifunction dynamic feeling sports device |
| CN201143962Y (en) * | 2007-06-28 | 2008-11-05 | 北京软媒视频技术研究院 | Intelligent stereo bicycle parking or storing holder |
| CN101695908A (en) * | 2009-10-30 | 2010-04-21 | 江苏大学 | Parallel-connection connected vibration reduction seat with multiple degree of freedom for automobile |
| EP2200481B1 (en) * | 2007-09-24 | 2011-05-11 | Massachusetts Institute of Technology | Seat with 3d motion interface |
| CN201978509U (en) * | 2011-01-24 | 2011-09-21 | 深圳市远望落星山科技有限公司 | 4D (4-dimension) dynamic chair with six degrees of freedom |
| CN204020619U (en) * | 2014-09-02 | 2014-12-17 | 高忠青 | A kind of multiple degree of freedom automotive seat |
-
2015
- 2015-05-06 CN CN201510227592.5A patent/CN104834322B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2609619Y (en) * | 2002-12-09 | 2004-04-07 | 刘敬平 | Multifunction dynamic feeling sports device |
| CN201143962Y (en) * | 2007-06-28 | 2008-11-05 | 北京软媒视频技术研究院 | Intelligent stereo bicycle parking or storing holder |
| EP2200481B1 (en) * | 2007-09-24 | 2011-05-11 | Massachusetts Institute of Technology | Seat with 3d motion interface |
| CN101695908A (en) * | 2009-10-30 | 2010-04-21 | 江苏大学 | Parallel-connection connected vibration reduction seat with multiple degree of freedom for automobile |
| CN201978509U (en) * | 2011-01-24 | 2011-09-21 | 深圳市远望落星山科技有限公司 | 4D (4-dimension) dynamic chair with six degrees of freedom |
| CN204020619U (en) * | 2014-09-02 | 2014-12-17 | 高忠青 | A kind of multiple degree of freedom automotive seat |
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Granted publication date: 20180130 Termination date: 20210506 |