This paper describes a robotic arm with 5 degrees-of-freedom (DOF) which is controlled by human voice and has been developed in the Mechatronics Laboratory, CUET. This robotic arm is interfaced with a PC by serial communication (RS-232). Users' voice command is captured by a microphone, and this voice is processed by software which is made by Microsoft visual studio. Then the specific signal (obtained by signal processing) is sent to control unit. The main control unit that is used in the robotic arm is a microcontroller whose model no. is PIC18f452. Then Control unit drives the actuators, (Hitec HS-422, HS-81) according to the signal or signals to give required motion of the robotic arm. At present the robotic arm can perform a set action like pick & pull, gripping, holding & releasing, and some other extra function like dance-like movement, and can turn according to the voice commands.

翻译：本文介绍了一种由人类语音控制的5自由度机械臂，该装置在吉大港工程科技大学（CUET）机电一体化实验室开发完成。该机械臂通过串行通信（RS-232）与个人计算机（PC）连接。用户语音指令由麦克风采集后，经微软Visual Studio开发的软件进行语音处理。通过信号处理获得的特定指令被发送至控制单元，控制单元核心采用型号为PIC18f452的微控制器。随后，该控制单元依据指令信号驱动执行器（Hitec HS-422、HS-81型伺服电机），使机械臂产生所需运动。目前该机械臂可执行拾取与拉动、抓取、持握与释放等预设动作，以及类舞蹈动作等附加功能，并能够根据语音指令实现转向操作。