Exploration of the detection principle for the realization of flexible piezoelectric sensor

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Exploration of the detection principle of the sheet-type sensor which can measure the impact force at the flexible interface of the object surface under pressure is carried out. It is found that the sensor can achieve a certain degree of flexibility by machining slits around a single sensor element. The slit can play rollto prevent wrinkles which occur when an apple ass is wrapped by a piece of paper. In this research, the sheet-type sensor in which the small sized rigid sensor elements are distributed as a matrix shape and the each sensor element are connected by the flexible edges, is found to be a best sensor structure as a flexible sensor.