Development of non-contact manipulation technique for multiple

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The purpose of this study is to develop a manipulation system for multiple particles. Ultrasonic radiation force was adopted as remote force. In order to control sound fields, a simulator of nonlinear sound propagation was developed. Simulation results indicated that an arbitrary potential field was generated from a sound source driven by multiple frequency signals controlled with phases. To measure the distances of particles, a pulse compression technique was applied to a parametric sound source. Results suggested that the proposal was useful for the measurement. The combine of these techniques improve the development of a functional manipulation system for multiple particles.