惯性姿态敏感器典型电磁干扰现象研究

Research on Typical Electromagnetic Interference of Inertial Attitude Sensor

惯性姿态敏感器是卫星姿态测量的重要部件,需要检测和处理微弱的电信号,同时还需要输出加温、电机驱动和激磁等大功率信号,因此整机电磁兼容性设计是实现产品高精度测量的关键技术.提高产品的电磁兼容性能主要在于控制电磁干扰,在总结产品研制经验的基础上对控制产品内部互扰问题进行了探讨,结合典型案例对惯性姿态敏感器内部的"拍频干扰"进行重点分析,并提出了具体的解决措施.

Inertial sensor assembly is a high accuracy measure assembly in the spacecraft attitude control system.It needs not only to detect and dispose low-power level signal,but also to export the high-power signal to control temperature and to drive motor.Electromagnetic compatibility design is a key technique which determines the performance of the product.According to the development experience of products,the way of controlling inner and outer interferential sources in products is proposed by analyzing typical case.