Design of robot head for expression of human emotion

Goh , Wei Jun (2014) Design of robot head for expression of human emotion. Project Report. UTeM. (Submitted)

Text DESIGN OF ROBOT HEAD FOR EXPRESSION OF HUMAN EMOTION 24pages.pdf Download (540kB)

Abstract

Humanoid robot is a type of robot which is designed in human-form with the purpose to increase the quality of human life. The key features of humanoid robot are to perform human-like behaviours and to undergo effective interaction with human-operator. The purpose of this project is to develop an interactive robot head that able to express six basic human emotions based on Ekman’s model. These six expressions are joy, sadness, anger, disgust, surprise and fear. The combination of action units based on different control points on robot head was proposed in this study. The new robot head is equipped with 11 degree of freedom for the movement of robot head in human like-way. Two surveys have been conducted to evaluate the suitability of robot head and facial expression designs in order to implement on the robot head. Arduino Mega has been used as the controller for the robot head system and it is integrated with IR remote keypad and LCD display. The remote keypad controller is designed for user to control the expression of robot head. It is synchronised with LCD display where the LCD able to display the name of emotion when particular button activated. This project focuses on the performance test of robot head in term of position accuracy and the result shows that the relative percentage error for each robot head parts is less than 20%. The survey that had been conducted for the facial expression recognition test obtained more than 70% recognition rate for each expression shown by the robot head. It can be concluded that this robot head system, is capable to improve the effectiveness of human-robot communication and possible for more advanced interaction development in the future.

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