A Self-powered Sensor for Simultaneous Monitoring of Pressure and Temperature Distribution in Aircraft Wing (July 2025)

Real-time monitoring of multiple parameters on the wing surface is a critical technical requirement for flight safety and aerodynamic optimization. Current methods have limitations in multi-parameter synchronous detection and conform to complex surface geometries. The triboelectric effect, offering low cost, simplicity, and fast response, is a promising alternative for measuring transient pressure changes in aircraft wing applications. Thermoelectric sensors, such as thermocouples, are widely used for temperature measurements due to their broad range, fast response, and cost-effectiveness. This paper presents a novel multi-layered sensor that integrates both pressure and temperature measurement capabilities. The sensor utilizes a 4×4 triboelectric matrix for pressure distribution sensing and a 3×3 thermoelectric matrix for temperature distribution sensing. It is self-powered, eliminating the need for an external power source. With a compact design, the sensor can be easily integrated into aircraft wings. Its flexible design allows for precise spatial measurements of pressure and temperature distributions on irregular surfaces. This sensor provides an efficient, cost-effective solution for simultaneous real-time monitoring of pressure and temperature distribution, offering a comprehensive approach to enhance aerodynamic performance and safety.