CAJ | 학술논문

设计了一种以凌阳公司SPCE061A单片机为语音信息处理器,以DSP为驱动控制器的主从式智能轮椅语音控制新方案。采用SPCE061A单片机进行语音指令的训练、识别和处理,DSP作为驱动电机转动的PWM控制信号发生器,SPCE061A单片机和DSP之间通过SCI接口电路进行通信。详细阐述了智能轮椅语音控制系统各部分硬件结构及系统总体软件实现,重点讨论了电机驱动电路的硬件设计和系统软件流程。实验结果表明,研制开发的智能轮椅语音控制系统能够在语音或手动模式下实现轮椅的多种运动,语音识别正确率高于95%。
설계료일충이릉양공사SPCE061A단편궤위어음신식처리기,이DSP위구동공제기적주종식지능륜의어음공제신방안。채용SPCE061A단편궤진행어음지령적훈련、식별화처리,DSP작위구동전궤전동적PWM공제신호발생기,SPCE061A단편궤화DSP지간통과SCI접구전로진행통신。상세천술료지능륜의어음공제계통각부분경건결구급계통총체연건실현,중점토론료전궤구동전로적경건설계화계통연건류정。실험결과표명,연제개발적지능륜의어음공제계통능구재어음혹수동모식하실현륜의적다충운동,어음식별정학솔고우95%。
A new voice control program of intelligent wheelchair which takes SPCE061A MCU as voice information processor and DSP as drive controller is designed.SPCE061A MCU is used for training,recognition and processing of voice commands;DSP is used for driving the motor rotating as the PWM control signal generator;SPCE061A MCU communicates with DSP through the SCI interface circuit.The hardware structure and the overall system software of voice control system are described in detail.Then,the hardware design of motor drive circuit and system software processes are discussed.Experimental results show that the intelligent wheelchair can achieve a variety of sports in voice or manual mode controlled by voice control system,speech recognition accuracy is more than 95%.