如果很多 PID 回路使用了大于扫描周期的采样时间,那麽在有很 多 PID 环同时完成计算时,CPU 的扫描时间会有很大的变化。解决的办法是 将控制 PID 块运行的位排在一个数列内,之后按顺序的把数列内的一位或几 位数据置 0。
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