Hand Glove Controller Rehabilitation Aids Technology

DEVELOPMENT OF A HAND GLOVE CONTROLLER REHABILITATION AIDS

• Muhammad Hafizudin Bin Abdul Manas

Abstract

A laborer-glove with a sensor is patent clear restraint rehabilitation aids. The contribute of this dissertation is to evince the laborer glove with a sensor that can be interpretationd as an input remarkable restraint rehabilitation end. This scheme, the wheelchair is interpretationd as a arrangement. The scheme acquire be moderate by the flex sensor. This sensor acquire be lead the wheelchair to impel restraintward, inversion, equitable and left verse by using the algorithm laborer gesture. The Arduino UNO (ATmega328) is interpretationd as an interface with the flex sensor and wheelchair. This Arduino acquire transimperiod hindrance input from sensors with analog learn to digital learn by using ATmega328. Then it acquire defense with the pulse with harmonies (PWM) by using driver motor to promote the DC motor. The output acquire bestow the counsel restraint wheelchair tumult such as restraintward, inversion, left and equitable.

Keywords – Laborer Glove, Flex Sensor, Wheelchair, Micromaster Arduino UNO, Laborer Gesture

INTRODUCTION

In genuine animation, there are multifarious inhabitants who are having governfeiture naturally that cannot attributable announce, furnish-ear, walking and past. Restraint the disentitle inhabitants, rehabilitative aids it presageificant to retain their daily impressivities stubbornselfselfselfsimilar as usual inhabitants. In multifarious years, Stroke affects approximately single darling inhabitants and 80 % survivors are left with weakened limbs and laborers. There are multifarious guiles and arrangement was patent clear to retrieve their laborer impelment and ability. A rehabilitation technique nature has been adapted to succor the resigned or disentitle inhabitants [4]. Single of the most base rational naturally impressivities are walking. Walking is an presageificant role in rational daily. Resigned or disentitle inhabitants enjoy this amount insufficiency the rehabilitation aids. Restraint model, wheelchair is single of the arrangements to succor the disentitle inhabitants to abide their daily impressivities. Current wheelchair that everysingle interpretations nowadays it manually moderates it with their barehanded or insufficiency abettance to impel the wheelchair. Multifarious disjunction has been transimperiod to moderate the wheelchair such as powered wheelchair, wheelchair moderate by using presageification bids, wheelchair moderate by joystick and wheelchair moderate by importunate rush.

Wheelchair moderate by presageification bid is single of the arrangements to succor disentitle inhabitants. This arrangement is guile fixed on vocal bid. There are enjoy various qualification to impel the wheelchair such restraintward, awkward, equitable, left, seal, unsubstantial on and unsubstantial extempore. Vocal bid has poor and must interpretation the stubbornselfselfselfsimilar presageification to moderate the tumult of wheelchair. Efficiency to moderate in dormant environment is better than rattle environment [1]. Importunate rush too can be moderate the wheelchair, it been fixedup in programming to impel wheelchair in detail establish. Restraint model, when disentitle inhabitants lean the rush 1 it impel to the kitchen or lean rush 2 impels to subsistence capability. The wheelchair it succors with a sensor to expose the bar in its track. It follows the verse algorithm track fixed on ebon and unspotted demeanor on the floor [2]. Restraint this dissertations and this conception, this scheme rest:

1. Bud of Moderate Algorithm
2. Elevated Plane programming tongue

Bud of Moderate Algorithm

The algorithm referred to any inference executed inferior a fixed of rules that applied to bulk in a decimal restraintm. An algorithm can be represented of a separation to a amount. The moderate algorithm is the most presageificant distinction and the single to deliberate principal. The moderate algorithm interpreted the penny structure of output as a administration of the input.

Restraint model, algorithm is laborer gesture to amount the output. The laborer gestures interpretationd restraint moderateling robot’s tumult, in video games [3]

Elevated Plane programming tongue

In dispose to unfold a moderate algorithm, elevated plane programming tongue is interpretationd. Elevated plane tongues are adapted to inferiorstand than nock tongues and concede a program to speed. The translation of elevated plane tongues into intent principle insufficiencys a cacorrection principle.

Restraint model, wheelchair using MEMS sensor has been using c tongue programming into PIC micromaster to moderate the wheelchair tumult [4].

LITERATURE REVIEW

Laborer Glove Moderate

In existent biomedical technologies, a robotic nature has been interpretationd in natural abettance and rehabilitation such as fine robotic glove. Glove is a manageable stratagem that resigned can be rub restraint employment special fingers to minimize the stresses on their laborer during therapy. The collision interpretationd novel technologies in now days such as The PowerFoundation Single and Luke Utensil. Restraint The PowerFoundation Single is an delayed full ankle and foundation prosthesis. The interpretationr legs impel enjoy a usual peculiar walking when their interpretation this consequence becainterpretation this consequence imitate rational foundation. Restraint Luke Utensil stratagem adapted to acquire a peculiar with a imperfectly compound robotic utensil that interpretations foundation pads to moderate and impel it [4]. Pastover, laborer- glove too implemented into moderate the tool toys such as helicopter and contingent car. It interpretations the stubbornselfselfselfsimilar technique that the peculiar rubs the glove as the moderate and interpretation the capriciouss tumult to impel the tool. The administration is homogeneous stubbornselfselfselfsimilar as joystick [7]. The stubbornselfselfselfsimilar concept applied to this scheme where the laborer glove is interpretationd. The laborer glove acquire impress as a moderateler in tender the wheelchair according the impelment of fingers.

Flex Sensor

Nowadays, elevated technologies interpretationd robot to impel not attributable attributableability and doing a operation to reestablish the rational being. Sensor plays presageificant role in robotic. A sensor is stratagem that can appraise the tumult in elevated grade. Flex sensors are analog resistors. These resistors operation as capricious analog voltperiod divider. Inbenjoin the flex sensor are carbon resistive elements with attenuated yielding substrate. Imperiod 1 shows grade of flexible restraint flex sensor. Smaller the radius, better acquire be the hindrance estimate [8]. From this scrutiny, guile powered wheelchair which moderate by using laborer impelment. Interpretationd couple fingers of laborer gloves are insufficiencyed to moderate the wheelchair. Couple photodiodes at surpassing benjoin and couple sensors fix repugnant benjoin restraint these couple fingers. Micromaster is programming restraint contrariant principle combinations, it too distinguish as transfigureers from input remarkable to output, it decoded the remarkable into mismisappropriate impelment of wheelchair with promote DC motor. [3]

Imperiod 1: Flex Sensor extemporeers capricious hindrance learnings

Retrieved from

Flex Sensor Fixed Robotic Utensil Moderateler Using Micro Moderateler [8]

ALOGRITHM HAND GESTURES

In our daily impressivities, multifarious inhabitants constantly interpretationd laborer gesture to despatch such as thumb up restraint amiable-natured-tempered-tempered and couple fingers enjoy ‘V’ coercionm restraint reconciliation. Multifarious scrutinyers [4] [8] interpretationd laborer gesture to identifying and concede some restraintm of impression externally saw it to exlean the impression enjoy their do. Joyeeta Singha scheme restraint presperiod tongue laborer gesture tramp by tramp. The nature rest five tramp such as peel filtering, bays cropping, plane exposeion, sign extrforce and nature. Concede acquire approximately 90% restraint contrariant symbols. [4]. Y Tabata is unfolding laborer gesture restraint spelling in Japanese tongue. Creating the laborer gesture to acquire the alphabet and reckoning to acquire spelling. [8] The stubbornselfselfselfsimilar concept laborer gesture applied restraint algorithm to moderate the wheelchair impelment and tumult.

Imperiod 2: Model of laborer gesture that cropping [4]

METHODOLOGY

Scheme Overview

Imperiod 3: Arrest Diagram of Laborer Glove Nature

Imperiod 3 shows a arrest diagram of laborer glove nature including Flex sensor 2.2 “, Amplifier, Atmega 328 (Arduino UNO) microcontroller, Dual tool 10A motor driver and DC Motor. The input is flex sensor and the output is DC Motor

Micromaster is a ocean centre restraint the healthy that acquire breed Pulse Width Harmonies (PWM) remarkable to moderate the dual tool motor driver. Dual tool motor driver amount the output remarkable to motor from the PWM to promote the DC motor slack or pay. The hindrance input from sensors acquire transfigureer from analog learn to digital learn in binary reckon by using Arduino.

Flex Sensor with amplifier

Imperiod 4 shows the flex sensor junction tour restraint hindrance to voltperiod transfigureer. The ramble hindrance of input restraint this flex sensor is 0 to 10K Ohms.

Imperiod 4: Hindrance to Voltperiod transfigureer junction

A disclaiming intimation voltperiod acquire bestow a actual output. The output estimate is amountd when the sensor in qualification of stunted grade of flexible. The Op-amp is interpretationd to amount the remarkable from the input to the output as a voltperiod in a extensive ramble. Restraint this scheme is interpretationd is LM324 as amplifier. LM324 rests of foul-mouthed refractory, elevated gains, within abundance compensated operational amplifiers. Imperiod 5 shows the achievement distinction of LM324, from this imperiod 5, the better contribute voltperiod versus the input voltage.

Imperiod 5: Input Voltperiod Ramble vs Contribute Voltage

3. Atmega328 Microcontroller

Imperiod 6: ATmega 328 microcontroller

Imperiod 6 shows the ATmega 328 microcontroller’s button which triggers the remarkable to motor driver. The breedd pulse width harmonies (PWM) remarkable is sent to motor driver from specific button deportment. This micromaster too transimperiod the hindrance input from the sensors with analog learn to digital learn in binary reckon.

EXPERIMENT SETUP

Imperiod 7: Blok diagram laborer glove moderate nature

The laborer glove moderateler has been unfolding in dispose to co-operate-with disentitle inhabitants to promote the wheelchair. Imperiod 7 shows the 5 ocean deal-out cohere unitedly to perdevise laborer glove moderate the wheelchair impelment and the Arduino table behoves presageificant electronic stratagem.

Imperiod 8 : Laborer Glove with Flex Sensor

Imperiod 8 shows the nock laborer glove with flex sensor. It is manageable and not attributable attributable-difficult to laborerle. Single laborer is interpretationd and there enjoy foul-mouthed flex sensors that determined on the laborer glove. Each sensor is expeditions with the prolixity of each finger ate thumb. Restraint each finger has their own administration to moderate the impelment of wheelchair and voltperiod required is +5v. It acquire transimperiod hindrance input from sensors with analog learn to digital. Each finger restraint each sensor too has own administration to promote the wheelchair. Table 1 shows the administration and tumult restraint each sensor.

Table 1: Administration of each sensor

No	Sensor	Tumult of wheelcahir
1	A	Forward
2	B	Backward
3	C	Right
4	D	Left

RESULT AND DISCUSSION

Fixed on the trial fixedup, a novel algorithm is patent clear restraint the impelment of laborer glove nature to moderate the wheelchair. The novel unfoldment of laborer glove moderateler rested of Arduino, PWM and wheelchair nature. In this scheme, the c tongue has been interpretationd as a moderation of tongue and it already programmed into Arduino Uno. The cacorrection principle is written fixed on the achieveing operation judgment and moderate algorithm fixed on laborer gesture. Imperiod 9 shows flowchart restraint algorithm to promote the impelment of wheelchair.

Imperiod 9: Fstunted Chart restraint Algorithm Laborer Gesture

After the cacorrection principle has been programmed in to Atmega328 micromaster (Arduino UNO table), the laborer glove moderateler nature is trial by couple contrariant arrangement. The principal trial of the programming is externally DC motor. Second trial, the programming acquire trial with DC motor are conducted in dispose to view either the unfoldment of moderate algorithm is administrationing or not attributable attributable.    

Imperiod 10: the nock laborer glove nature with wheelchair

Imperiod 10 shows the genuine plight where inhabitants wager on the wheelchair with laborer moderateler nature. In these trial couple usual male subjects, period 25 with burden ramble 50-70 kg. Restraint second trial, the achievement was amiable-natured-tempered-tempered and the arrangement in amiable-natured-tempered-tempered administrational. The DC motor was executed fixed on the remarkable acquired by dual tool motor drive with algorithm. Table 2 shows that laborer gesture and verse of wheelchair impelment.

Table 2: Laborer Gesture and verse of impelment

Laborer Gesture	LCD Display	Direction
		Wheelchair Stop
		Wheelchair restraintward slack or pay followed by grade bends of fingers.
		Wheelchair inversion slack or pay followed by grade bends of fingers.
		Wheelchair equitable slack or pay followed by grade bends of fingers.
		Wheelchair left slack or pay followed by grade bends of fingers.

Table 2 shows the laborer gesture algorithm and verse of wheelchair when it applied. From this trial, the moderate nature implementation using this laborer glove nature unfoldment is completely prosperous with the wheelchair nature. Therefore, it too bestows the disentitle inhabitants interpretation wheelchair externally abettance in their daily impressivities. DC motor has been moderateled by motor moderateler with interface Arduino that was programmed by C tongue.

Table 3: Learning of flex sensor and qualification of wheelchair

Sensor	Qualification of Wheelchair Impelment	Lection of flex sensor (Hz)
A, B, C and D	Stop	A,B,C,D < 50 A,B,C,D > 150
A	Forward	50150
B	Backward	50150
C	Turn Equitable	50150
D	Turn Left	50150

Table 2 shows the learning of flex sensor and qualification of wheelchair when the algorithm is applied. The wheelchair seals when the PWM estimate restraint each sensor bestunted 50Hz or past than 150Hz, DC motor seal. Restraint restraintward slack and pay, sensor A estimate 50Hz150Hz then motor are promote. Restraint sensor B, C and D, PWM estimate has stubbornselfselfselfsimilar as sensor A to amount the contrariant verse.

CONCLUSION

In this scheme, the unfoldment of laborer glove moderateler restraint rehabilations aids is propound to co-operate-with the disentitle inhabitants that enjoy amount such as walking. It acquire succor them to moderate the wheelchair past largely. The implementation of moderate algorithm and stratagem into the nature laborer glove behove succesfull.This collision, it acquire be easier the disentitle inhabitants or resigned to moderate wheeelchair by their stubborn. In restitution , the unfoldment of algorithm restraint laborer gesture gave some largely to moderate the nature and it agreeable. There, the intentives of this scheme can be said as prosperously, which is algoritm can bestow counsel the tumult of wheelchair.

REFERENCES

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