A practical service robot system for greeting guests

With the development of economy and the requirement of market, service robots have received more and more attention. This paper refers to a practical and reliable service robot system for greeting guests. The system consists of the following two parts: smart phone and robot main body, which are connected by Ad hoc network. Smart phone assists the master-control program of robot to finish tasks, such as modifying grammars, registering information, remote stopping urgently, and so on. There are nine modules in the master-control program, including face registration, face recognition, speech recognition, speech synthesis, information processing, mechanical action and expressions, safety design, and monitor module with smart phone. These nine modules coordinate with each other in order for the robot to realize such functions as fluent conversation, kind image and great anthropomorphism. The robot can serve for museums, tourist attractions, supermarkets, hotels and so on due to its reliable performance.