根据空间姿态测量的需要，提出了反转矩阵的概念，研究了物体空间姿态的测量方法。

According to the needs of space attitude measurement, the concept of inversion matrix is put forward and measuring method of space attitude is researched.

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这一特殊结构使得正反转电机的驱动问题尤其是输出转矩平衡问题显得尤为突出。

Based on the single DC motor model, the mathematic model of dual-motors was established to analyze the problem of output torque balance of dual-motors.

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YH系列高转差率三相异步电动机适用于传动飞轮转矩较大和不均匀冲击负载以及反转次数较多的设备。

Widely used for driving various kinds of machine tools with greater flywheel torque. ?unequal hammering load and many times of anticlockwise running.

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