The larger proportional band, the more stable the control, but the greater the offset.

积分控制的偏移越大,控制越稳定, 但误差也越大.

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For electrical and pneumatic controllers, the set value is at the middle of the proportional band.

对于电和气控制器, 设定值在P-带的中点.

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The narrower the proportional band , the less stable the process, but the smaller the offset.

积分控制的偏移越小, 控制越不稳定, 但误差越小.

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