But there are some noises and disturbances to flywheel system, such as friction disturbance, speed measure noise, which give errors and disturbances to satellite attitude control system.

• 飞轮系统内部存在的多种干扰和噪声,如摩擦力矩干扰和速率测量噪声等,会使飞轮执行指令产生误差,给卫星姿态控制系统带来干扰。