Abstract
This paper analytically deals with conditions for only progressive wave generation and describes experimental result from the first trial. In the development of feeding and handling micromechanisms for minute or thin objects such as microparts and fine leaves, it must be carefully considered that the machine must not give damage to them during the works. The object is feeding by the wave traveled on the belt. The undulatory plane is consisted of a comblike elastic belt. The method is called “Source-Sink Displacement Excitation”. Progressive wave is emitted from source actuator at one end of the belt and reflection wave or standing wave can be actively absorbed by synchronous excitation of sink actuator at the other end. Necessary and sufficient conditions are the same amplitude of excitation at both ends and the same phase between excitation and transmitted wave at the end of sink.
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