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scw威偉
互幫互助，共建美好社會(huì )。給他人方便就等于方便了自己。
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樓主  發(fā)表于: 2014-09-22 11:08
我在現場(chǎng)調試用的富士PXR9-TCY1-W-000型號的溫控儀，一通電，設定值為300度，實(shí)際溫度為28度，固態(tài)繼電器工作電熱管處于加熱狀態(tài)，控制模式是PID自動(dòng)控制，一直加熱到300的時(shí)候固態(tài)停止加熱，由于溫度慣性一直升到330度（我不明白的是為什么會(huì )超出這么多，既然是PID調節為什么不提前間斷加熱），后來(lái)等溫度一直降到275度又開(kāi)始加熱了，后來(lái)就開(kāi)始越來(lái)越穩定了，最終在300±5度上下徘徊，為什么第一次加溫的時(shí)候偏差會(huì )這么大呢。加溫時(shí)用過(guò)儀表自整定。
困難像彈簧，你強它就弱，你弱它就強！
taotaoba
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1樓  發(fā)表于: 2014-09-23 11:19
pid參數設置不當，

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