本申请针对空间润滑材料在苛刻使用环境中摩擦状态监测及失效预警困难等问题，以开发用于机械部件表面摩擦状态监测及失效预警的新型摩擦传感器为研究目标，制备可满足苛刻条件下监测设备运行的具有高灵敏度、高稳定性和长使用寿命的摩擦式智能传感器，建立高性能摩擦式智能传感器的制备新技术和工艺。研究内容为：（1）具有高力学强度、耐磨性及导电性的传感器基底复合材料的制备方法研究；（2）揭示基底复合材料中导电无机纳米材料复合形态与聚合物之间的协同作用机制，探讨复合材料力学强度、韧性及导电性能等参数与传感器性能之间的关系；（3）摩擦传感器对机械部件摩擦状态在线监测与失效预警功能评价；（4）研究机械部件表面摩擦状态与传感信号转化机制，由此建立摩擦传感器在不同环境特别是在苛刻环境中的稳定运行机制；（5）将摩擦传感器小型化、轻量化及集成化，并开展其在微电子机械系统、人工智能、电子皮肤及医疗诊断器件等方面的应用研究。

The project points out the problems of friction condition monitoring and failure warning of space lubricating materials in harsh application environment. The research target is to develop a new type of friction sensor which is used to monitor the friction state of the surface of mechanical parts and early-warning failure. The preparation of friction intelligent sensors with high sensitivity, high stability and long service life, which can be used to monitor the operation of the equipment under harsh conditions, is prepared. Meanwhile, the new technology for the preparation of excellent performance friction smart sensors will be developed. The main research contents are as follows:(1) developing new methods for preparing the sensor substrate composites with high mechanical strength, wear resistance and electrical conductivity;(2) studding the synergetic mechanism between composite morphology and polymer of conductive inorganic nano-materials in substrate composites and discussing the mechanical strength of composites; (3) estimating on-line monitoring and failure warning function of friction sensor; (4) exploring the mechanism of surface friction state and sensing signal transformation of mechanical parts and proving the stable operation mechanism of friction sensor in different environment, especially in harsh environment; (5) the friction sensors are miniaturized, lightweight and integrated, and applied in microelectronic systems, artificial intelligence, electronic skin and medical diagnostic devices.