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小型无人机体积小、速度低、带载荷能力有限,而小型硅压阻传感器具有小型化、数字化的优点,特别适合于对体积重量有要求的众多中小型无人机选用。本文结合某小型无人机空速系统的研究,针对目前多运用于小型无人机上基于硅压阻传感器的空速系统误差产生的原因进行了分析,并根据大多数无人机采用GPS导航的特点提出简便易行的校正方法。经过试飞验证,该校正法具有良好的性能和可靠性。
Small UAV small size, low speed, with limited load capacity, and small silicon piezoresistive sensor with miniaturization, digital advantages, especially for volume and weight requirements of many small and medium-sized UAV selection. In this paper, a small UAV airspeed system research, in view of the current multi-purpose UAV based on silicon piezoresistive sensor-based airspeed system error is analyzed, and according to most of the UAV GPS navigation Features proposed simple and easy calibration method. After test flight verification, the calibration method has good performance and reliability.