With the development of intelligent robots,electronic skin with accurate pressure sensing ability has become a research hotspot.A highly sensitive resistive flexible pressure sensor is prepared by impregnating melamine sponge and composite material composed of modified multi-walled carbon nanotubes(MWCNTs)and silicone rubber(SR).The manufacturing process of the sensor is described,the modification of multi walled carbon nanotubes is characterized,the sensing performance of the pressure sensor is tested,and the sensor is installed on the manipulator to detect the pressure in real-time.The prepared sponge pressure sensor has good stability,wide working range(0～580 kPa),fast response time about 46 ms and good repeatability(～2000 times).The sensor is assembled into the customized 3D printing mechanical claw mold and installed on the mechanical arm.Through the signal acquisition circuit and the LabVIEW host computer,the sensor signal can be obtained in real-time,the pressure data on the mechanical claw can be obtained,the classification of the grabbed object can be realized by the support vector machine algorithm.
维普
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