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| The article designs a homothermal control system----an electric cup based on TMS320LF2407 chip that is manufactured by TI Company. Temperature is one of the main parameters controlled in the electric cup, but it is very difficult to control temperature well because of some characteristics of the temperature itself. For example temperature's inertia is great, its time-lag is serious and it is difficult to establish accurate mathematical model of the object. This paper is to study an adapt control method to control the temperature of the electric cup. For the electric cup, there are many control methods to be selected. The article selects acute and rapid PID arithmetic. |
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| Keywords:PID arithmetic, relay, temperature transmitter, PWM |
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