▎ 摘　　要

NOVELTY - Wide linear response range force tactile sensor based on gradient composite integrated structure is claimed. The conductive composite film of the gradient composite integrated structure of the sensing material is prepared by steam method, template transfer method and swelling filling method, and then two flexible substrates/electrodes are respectively laminated on the sensing material, constructing sandwich structure tactile sensor below, and packaging the sensor with polymer materials; the gradient composite integrated structure conductive composite thin film sensing material is composed of gradient pore composite integrated structure polymer film and conductive material, the gradient composite integrated structure polymer film is composed of gradient pore structure and other microstructures (pyramid structure, spherical structure, columnar structure), and other microstructures are introduced at the bottom of the gradient pore structure. USE - The wide linear response range force tactile sensor based on gradient composite integrated structure is useful in tactile sensing technical field, artificial intelligence and internet of things related research. ADVANTAGE - The wide linear response range force tactile sensor based on gradient composite integrated structure: efficiently solves the problem that the current tactile sensor cannot maintain high sensitivity and linearity in a large response range by enhancing the response mechanism of the conductive path through the contact resistance response mechanism, and realizes the preparation of wide response range, high sensitivity and linear tactile sensor; efficiently solves the problems that intelligent robots cannot achieve accurate multi-scene perception and complex circuits at the current stage, and provides favorable conditions for the realization of lightweight and convenient for the artificial intelligence device. DETAILED DESCRIPTION - Wide linear response range force tactile sensor based on gradient composite integrated structure is claimed. The conductive composite film of the gradient composite integrated structure of the sensing material is prepared by steam method, template transfer method and swelling filling method, and then two flexible substrates/electrodes are respectively laminated on the sensing material, constructing sandwich structure tactile sensor below, and packaging the sensor with polymer materials; the gradient composite integrated structure conductive composite thin film sensing material is composed of gradient pore composite integrated structure polymer film and conductive material, the gradient composite integrated structure polymer film is composed of gradient pore structure and other microstructures (pyramid structure, spherical structure, columnar structure), and other microstructures are introduced at the bottom of the gradient pore structure, the pore size and pores of the gradient pore structure show a trend from large to small from top to bottom, the bottom layer is dense, and other microstructures are introduced at the bottom of the dense layer, the flexible substrate/electrode is composed of conductive film and polymer material, preferably the nano-thick conductive film is uniformly distributed on the surface of the micro-thick polymer material.