Given a kind of Method of the fast PID control with changed scale coefficient for solving the problem of long calculated time with MCU in real-time control system.
针对单片机实时控制系统中pid控制运算时间过长的问题，提出了一种变比例系数快速PID调节法。
A "progressive updating" method of large scale displacement measurement is proposed to avoid the defect of low correlation coefficient caused by large scale displacement.
同时还提出一种“逐步更新”的测量方法，它克服了由于大的位移而导致相关系数偏低的缺点。
Fractal dimension and scale coefficient of surface profiles are calculated using structure function method.
函数 法计算磨损表面轮廓的分形维数和尺度系数。
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