Interactive Robot Using Speech Recognition System

Radin Md Firdaus, Radin Mohd Ali (2010) Interactive Robot Using Speech Recognition System. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

With the development in engineering and technology field, voice or speech recognition has been invented and applied in this modern world such as automatic telephone operation and digit voice controlled. Currently, this latest technology has been applied in the embedded system in such ways to make the possibility of human robot interaction (HRI). The most common and old style in robot or machine operation is by using buttons which this method is called as voice user interface (VUI). This is because all command is made by pressing keyslbuttons or by responding verbally to the interface. Somehow, most of the available robots or machines in the market only using buttons as their main interface rather than using voice or speech recognition interface. Thus, the big potential of speech recognition interface is seen powerfbl in transferring the amount of information and of its natural way in communication between humans. There is high probability in f h r e ; an interactive robot can be a teacher for toddlers in early stage of learning and also as a therapy for autism in this world. Basically, this "Interactive Robot" project which using the speech recognition system consists of two parts, hardware development and sohare development. Implementation and works of this project are summarized into a flow chart to see the overall progression of the project. This Interactive Mobile Robot is not only reply back what is being asked, but it also can do some simple mechanism such as moving forward, moving backward, turning left, and turning right. Thus this Interactive Mobile Robot is developed using the speech database which being stored in the random access memory (RAM) inside the integrated voice chip microprocessor. The success of speech recognition is when the recorded databases are matching between the spoken speech and the bookmark databases recorded in the voice chip microprocessor. Therefore the hardware component is developed by using voice chip microprocessor, PIC 16F877A microcontroller, and a hardware model robot. Then the actions or output at the Mobile Robot is determined by the sohare develop in the PIC 16F877A and also in the voice chip microprocessor. Last but not least this Interactive Mobile Robot is able to communicate interactively with the user and do action as been command.

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