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نویسندگان مقالات پربازدید :
مهندسی حرارتی کاربردی
جزئیات رویداد
اینستاگرام تی پی بین
همایش ، رویداد ، ژورنال
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  • nonlinear inversion-based control of a distributed parameter heating system

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/01/01
    • تاریخ انتشار در تی پی بین: 1392/01/01
    • تعداد بازدید: 569
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
     in this work the control of a pilot-scale water heating equipment was studied. the water flows through a tube, in which it was heated by electric power. the outlet temperature was controlled by the flow rate, compensating heat duty and inlet temperature disturbances. this device shows resemblance to solar collectors and heat exchangers, thus making it a useful tool to carry out controller experiments for similar objects. the method of constrained inversion was applied. this control strategy is based on the first principle model of the process and feed-forward control. two different approaches were compared in handling the distributed parameter system. to eliminate steady-state error, a feedback compensation was needed, which was implemented in an imc structure. experimental results showed that both controllers were superior to the conventional pi controller. compensation of dead time, nonlinearity and measured disturbances are the key factors in the success of the model-based controller.

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