CN202794939U - Wheelchair controller based on brain wave - Google Patents
Wheelchair controller based on brain wave Download PDFInfo
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- CN202794939U CN202794939U CN 201220508985 CN201220508985U CN202794939U CN 202794939 U CN202794939 U CN 202794939U CN 201220508985 CN201220508985 CN 201220508985 CN 201220508985 U CN201220508985 U CN 201220508985U CN 202794939 U CN202794939 U CN 202794939U
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- wheelchair
- brain wave
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- control device
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Abstract
The utility model discloses a wheelchair controller based on a brain wave, characterized in that the P1.5 of a P1 port, the P2.0 to P2.4 of a P2 port and the P5.0 to P5.7 of a P5 port of a one-chip microcomputer MSP430F169 are connected with a USB driving circuit separately, the P6.6 to P6.7 of a P6 port and a GND port are connected with an X-Y end and a GND end of a wheelchair controller main chip respectively, and the two USB interfaces of a PC are connected with the USB interfaces of a brain wave driver and a microcontroller one-chip microcomputer MSP430F169 respectively. The wheelchair controller based on the brain wave of the utility model utilizes a head band to detect the brain wave movement and converts the brain wave movement into a concrete keyboard button or mouse action, various signals are processed into operation instructions via an intelligent central controller, and finally, a microcontroller controls the wheelchair motion. The wheelchair controller based on the brain wave is simple and convenient in operation and low in cost, is convenient to arrange on the conventional electric wheelchair, and is suitable for the limbs paraplegia patient to use.
Description
Technical field
The utility model relates to a kind of wheelchair control device, and is particularly a kind of based on brain wave wheelchair control device.
Background technology
The wheelchair that is supplied in the market the disabled person has 1. conventional manual wheelchair, and the tire that the user relies on both hands to promote the wheelchair both sides is controlled wheel chair sport; 2. rocker-type electric wheelchair, the people who is applicable to have singlehanded control ability, user only a hand just can control rocking bar, but and then the advancing, retreat and turn to of control wheel chair; 3. brain wave driver, mainly be to utilize a stature to bring the detection brainwave activity, and be converted into exercises in the game, define by driver, certain eeg signal can be defined as concrete keyboard or the instrument of mouse action, device is worn part 3 brain wave sensors and 2 muscle signal transducers, and the muscle signal transducer can be responded to the expression such as frowning.
In wheelchair miscellaneous, the conventional manual wheelchair needs to consume a large amount of muscle power, and for the high paraplegia that loses four limbs or hemiptegic, uses relatively difficulty; The rocker-type electric wheelchair, although replace the conventional manual wheelchair, also needing has singlehanded control ability, same for the paralysis personnel that lose four limbs, uses or certain difficulty is arranged.
Summary of the invention
For above-mentioned problems of the prior art and defective, the purpose of this utility model be to provide a kind of cheap, control flexibly, operation is simple and easy, the brain wave wheelchair control device of being convenient to be installed on the existing wheelchair and can transplanting the rocker-type wheelchair.
The technical scheme that realizes above-mentioned utility model purpose is a kind of wheelchair control device based on brain wave, comprises following content:
An acquiring brain waves device after gathering brain brainwave activity signal and this signal being transferred to the brain wave processor and carrying out electroencephalogramsignal signal analyzing, transfers on the computing machine by the USB line, and the eeg signal that will work as simultaneously pre-treatment is presented on the display of PC;
A PC is converted to Computer signal with the signal after the brain wave drive processes, then each Computer signal is converted to corresponding operational order, and is sent to microcontroller by USB interface, namely on the MSP430F169 single-chip microcomputer;
A single-chip microcomputer MSP430F169 is used for receiving the operational order from PC, and operational order is converted to simulating signal by D/A, then outputs on two data ports of wheelchair control device by the I/O mouth;
A usb circuit, the receive data that links to each other with PC adopts the PDIUSBD12 chip;
Wherein, the P5.0-P5.7 of the P2.0-P2.4 of the P1.5 of the P1 mouth of single-chip microcomputer MSP430F169, P2 mouth, P5 mouth is connected with the USB driving circuit respectively; The P6.6-P6.7 of P6 mouth, GND mouth (the 1st end of I/O or 51 ends) are connected with the GND end of wheelchair control device master chip (model) X-Y end, wheelchair control device master chip respectively successively; Two USB mouths of PC are connected with the USB interface of brain wave driver and microcontroller respectively.
Wheelchair control device scientific theory foundation based on brain wave of the present utility model:
The E.E.G driver utilizes a stature to bring the detection brainwave activity, and be converted into exercises in the game, define by driver, certain eeg signal can be defined as concrete keyboard or mouse action, the user does not need moving finger, just can utilize eeg signal to finish and command the actions such as keyboard, mouse move.Then, control (computing machine) is treated to operational order with each signal in intelligence.Last microprocessor controls wheel chair sport.
Wheelchair of the present utility model is compared with conventional manual wheelchair, rocker-type electric wheelchair, has following advantage:
1. wheelchair control device of the present utility model is easy and simple to handle, can pass through simple exercise, just can control wheelchair.
Wheelchair control device of the present utility model cheap, be convenient to be installed on the existing electric wheelchair and suitable quadriplegia patient uses.
Description of drawings
Fig. 1 is the system chart of brain wave wheelchair control device of the present utility model.
Fig. 2 is a part of system circuit diagram of brain wave wheelchair control device of the present utility model.
Fig. 3 is another part system circuit diagram of brain wave wheelchair control device of the present utility model.
Specific embodiment
Following specify brain wave wheelchair control device of the present utility model system annexation, circuit connecting relation and specific works principle thereof in conjunction with figure.
Referring to Fig. 1 brain wave wheelchair control device of the present utility model is described, comprises the acquiring brain waves device, the brain wave processor is controlled in the intelligence, usb circuit, display panel, microcontroller, wheelchair control device master chip.
Wherein, acquiring brain waves device and brain wave processor are the brain wave driver, and the former utilizes sensor to gather brain wave signal for wearing part; The latter is its processing host, with signal classification and the processing that gathers; Control is exactly PC in the intelligence; The P5.0-P5.7 of the P1.5 of P1 mouth single-chip microcomputer MSP430F169(microcontroller), the P2.0-P2.4 of P2 mouth, P5 mouth is connected with the USB driving circuit respectively; The P6.6-P6.7 of P6 mouth, GND mouth (the 1st end of I/O or 51 ends) are connected with wheelchair control device master chip (model) X-Y end, wheelchair control device master chip GND end respectively successively; Two USB mouths of PC are connected with the USB interface of brain wave driver with single-chip microcomputer MSP430F169 respectively; Display panel is the display of PC; Wheelchair control device master chip, relay, left motor-driven and right motor-driven are the critical pieces of former Rocker wheelchair controller inside.
The annexation of brain wave wheelchair control device circuit system of the present utility model is described referring to Fig. 2 and Fig. 3.
During described usb circuit: the 1st end of PDIUSBD12 U10 chip, the 2nd end, the 3rd end, the 4th end, the 6th end, the 7th end, the 8th end, the 9th end, the 15th end, the 16th end, the 28th end connect the 44th end, the 45th end, the 46th end, the 47th end, the 48th end, the 49th end, the 50th end, the 51st end, the 21st end, the 20th end, the 22nd end of U1 successively; The 5th end of U10, the 10th termination ground wire; The 23rd end and the 1st end of the 11st termination U1 of U10, and and the 1st end of U1 between resistance in series R17; Between the 12nd end of U10 end and the 24th end of U1, be connected by J2, J3 between the 17th end of the 14th end and U1, and resistance in series R16, R15 respectively and between the 1st end of U1; The 27th end of U10 is connected with the 1st end of U1; Between the 23rd end and the 22nd end of U10; The 21st end series diode D12 of U10 and resistance R 18, the 20 end resistance in series R19, the 18th end resistance in series R21, these three ports are connected with the 1st end of U1 simultaneously; The VBUS port that the 19th end resistance in series R20 of U10 and magnetic bead L1 are linked into USB interface; Crystal oscillator X4 in parallel and resistance C21, C22 are linked into the 51st end of U1 between 23 ends of U10 and 22 ends; The 24th end of U10 is connected with the 1st end of U1, and the positive pole of shunt capacitance C24 and C23 end, is linked into the 51st end of U1; The 25th, 26 end resistance in series R14, the R13 of U10 are connected to D-, the D+ line of USB interface, and connect respectively simultaneously R12, R11 are connected with the 51st end, the 1st end of U1 successively again; The GND port of USB interface is connected with the 1st end of U1.
Other: series capacitance C1 between the 64th end of U1 and the 62nd end; Series capacitance C2 between the 1st end and the 63rd end; The 7th end, the 10th end connect respectively capacitor C 4, C3, are connected to the 11st end after the two parallel connection; The 5th end of U1, the 6th end be DAC0, DAC1 output the port X that connects wheelchair controller master chip hold with Y.
The brain wave wheelchair control device course of work of the present utility model is as follows: when forehead was knitted tightly brows, the acquiring brain waves device gathered the eeg signal that defined representative " is advanced ", simultaneously signal was sent to the brain wave processor.The brain wave processor is treated to " advancing " instruction that control is identified in the intelligence with eeg signal, and assigns advancement commands to the wheelchair control device.The usb circuit module of microcontroller receives from after the advancement commands of controlling in the intelligence, is converted into electric signal by D/A converter, then electric signal is input to X and the Y end of wheelchair control device master chip.Wheelchair control device master chip is converted to the PWM ripple with electric signal, utilizes low current of relay to drive the characteristic of large electric current, drives left motor-driven, right motor-driven.The display panel of control end upgrades the direction that current brain wave wheelchair control device is controlled in intelligence simultaneously.
Claims (3)
1. one kind based on brain wave wheelchair control device, comprising:
An acquiring brain waves device after gathering brain brainwave activity signal and this signal being transferred to the brain wave processor and carrying out electroencephalogramsignal signal analyzing, transfers on the computing machine by the USB line, and the eeg signal that will work as simultaneously pre-treatment is presented on the display of PC;
A PC is converted to Computer signal with the signal after the brain wave drive processes, then each Computer signal is converted to corresponding operational order, and is sent to microcontroller by USB interface, namely on the MSP430F169 single-chip microcomputer;
A single-chip microcomputer MSP430F169 is used for receiving the operational order from PC, and operational order is converted to simulating signal by D/A, then outputs on two data ports of wheelchair control device by the I/O mouth;
A usb circuit, the receive data that links to each other with PC adopts the PDIUSBD12 chip;
Wherein, the P5.0-P5.7 of the P2.0-P2.4 of the P1.5 of the P1 mouth of single-chip microcomputer MSP430F169, P2 mouth, P5 mouth is connected with the USB driving circuit respectively; The P6.6-P6.7 of P6 mouth, GND mouth are connected with the GND end of wheelchair control device master chip X-Y end, wheelchair control device master chip respectively successively; Two USB mouths of PC are connected with the USB interface of acquiring brain waves device and microcontroller respectively.
2. according to claim 1 based on brain wave wheelchair control device, it is characterized in that, described acquiring brain waves device adopts the brain wave driver, be converted on computers the keyboard drive definition, and be converted into electric signal by microcontroller MSP430F169 single-chip microcomputer, reach the purpose of control wheelchair.
3. according to claim 1 based on brain wave wheelchair control device, it is characterized in that: X, the Y end that two signal output parts of microcontroller is connected to former rocker-type wheelchair controller, replace manually promoting the mode of rocking bar control wheelchair, the new mode that drives the wheelchair controller with brain wave is controlled wheelchair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220508985 CN202794939U (en) | 2012-10-07 | 2012-10-07 | Wheelchair controller based on brain wave |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220508985 CN202794939U (en) | 2012-10-07 | 2012-10-07 | Wheelchair controller based on brain wave |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202794939U true CN202794939U (en) | 2013-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220508985 Expired - Fee Related CN202794939U (en) | 2012-10-07 | 2012-10-07 | Wheelchair controller based on brain wave |
Country Status (1)
| Country | Link |
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| CN (1) | CN202794939U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880098A (en) * | 2012-10-07 | 2013-01-16 | 西北农林科技大学 | Wheelchair controller based on brain waves |
| CN105534648A (en) * | 2016-01-14 | 2016-05-04 | 马忠超 | Wheelchair control method and control device based on brain waves and head movements |
| CN106726200A (en) * | 2017-02-07 | 2017-05-31 | 德阳力久云智知识产权运营有限公司 | A kind of intelligent wheel chair based on the control of people's brain wave |
| CN111542294A (en) * | 2017-12-29 | 2020-08-14 | 四川金瑞麒智能科学技术有限公司 | Intelligent wheelchair system |
| CN112914865A (en) * | 2021-03-22 | 2021-06-08 | 华南理工大学 | Continuous steering control method based on brain-computer interface |
-
2012
- 2012-10-07 CN CN 201220508985 patent/CN202794939U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102880098A (en) * | 2012-10-07 | 2013-01-16 | 西北农林科技大学 | Wheelchair controller based on brain waves |
| CN105534648A (en) * | 2016-01-14 | 2016-05-04 | 马忠超 | Wheelchair control method and control device based on brain waves and head movements |
| CN106726200A (en) * | 2017-02-07 | 2017-05-31 | 德阳力久云智知识产权运营有限公司 | A kind of intelligent wheel chair based on the control of people's brain wave |
| CN111542294A (en) * | 2017-12-29 | 2020-08-14 | 四川金瑞麒智能科学技术有限公司 | Intelligent wheelchair system |
| CN112914865A (en) * | 2021-03-22 | 2021-06-08 | 华南理工大学 | Continuous steering control method based on brain-computer interface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130313 Termination date: 20151007 |
|
| EXPY | Termination of patent right or utility model |