ผลต่างระหว่างรุ่นของ "ระบบควบคุมพีไอดี"

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Chale yan (คุย | ส่วนร่วม)
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Chale yan (คุย | ส่วนร่วม)
บรรทัด 80:
 
:<math>\mathrm{u (t)}=\mathrm{MV (t)}=K_p{e (t)} + K_{i}\int_{0}^{t}{e (\tau)}\,{d\tau} + K_{d}\frac{d}{dt}e (t) </math>
 
<!--where the tuning parameters are:
;Proportional gain, <math>K_p</math>: Larger values typically mean faster response since the larger the error, the larger the proportional term compensation. An excessively large proportional gain will lead to process instability and oscillation.
;Integral gain, <math>K_i</math>: Larger values imply steady state errors are eliminated more quickly. The trade-off is larger overshoot: any negative error integrated during transient response must be integrated away by positive error before reaching steady state.
;Derivative gain, <math>K_d</math>: Larger values decrease overshoot, but slow down transient response and may lead to instability due to signal noise amplification in the differentiation of the error.-->
 
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