Implementation of voice based wheelchair for differently abled

M. B. Kumaran, A. Renold
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引用次数: 11

Abstract

The main objective of this work is to process the voice signal and is implemented to control a wheelchair by the voice signal which is processed earlier. The adopted model is to combine PIC microcontroller and VRbot module with voice recognition system for identifying individual words and is speaker dependent. The command given by the user is taken into VRbot module by microphone which is built within speech recognition module. Once voice command is recognized, the signal is transferred to the controller where stepper motor module is connected. PIC microcontroller capture appropriate signals from speech recognition module and wait for the Ultrasonic Sensor, which is doing the process of obstacle detection in its path. Whenever the conditions, signal to move from VRbot and no obstacle detection from Ultrasonic Sensor is received, the motion of wheelchair is performed.
实现基于语音的轮椅为不同的残疾
本工作的主要目的是对语音信号进行处理,并通过处理后的语音信号实现对轮椅的控制。所采用的模型是将PIC单片机和VRbot模块与语音识别系统相结合,对单个单词进行识别,并且依赖于说话人。用户发出的指令通过内置在语音识别模块内的麦克风传入VRbot模块。识别语音指令后,信号传输到连接步进电机模块的控制器。PIC微控制器从语音识别模块捕获适当的信号,等待超声波传感器在其路径上进行障碍物检测。当VRbot发出移动信号,超声波传感器没有检测到障碍物时,轮椅就开始移动。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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