System Of Programming Temperature Control For SFC Stove

Solid Fuel Cell (SFC) can directly change the chemical energy which is stored at fueland oxidizer into electric energy efficiently and friendly as a power generation. Today thestudy of its storage characteristics becomes the focus of new energy resource researches athome and abroad. Currently in the temperature control process of SFC Eletricity PerformanceTest the SFC may becomes fracted,peeled,delaminated,cracked that the experiment willbe interrupt and can not get the test data. In this paper the temperature control system of SFCStove is based on a control algorithm which is appropriate the programming temperatureprocesso to meet the experimental process requirements, and to reduce the difficulty of codeto improve efficiency and the cost of hardware.SFC Stove has characteristics that include the large inertia, the pure delay, the variablestructural parameters and the imprecise mathematical model. This paper presents an improvednine-point control method to reduce the the complexity of the parameter tuning and improvethe steady-state performance of the system which uses the nine-point controller advantages oflogic control and nonlinear control,not directly dependent on the object model and the simplerules, and syncretizes the PID control characteristics of high-precision to reduces nineparameters into five and bings the integral role into the zero band to eliminate static error.On the system components, the system uses Infineon C167 as the core control processorto deal withthe the temperature measurement signal which is provided by the K-Typethermocouple and the SBWR temperature transmitter and conversed by AD converter,calculate the contol numerical value which is exported to exchange the zero-solid-state relayon-off to regulate the power of the stove and control the temperature of the stove, design thereal-time show of the temperature data by LCD and the user-input function by the 4×4 rangeskeyboard, and expand the network communications capabilities which is based on the RS232and Modbus standards.The experiments that the system runs in 0～800℃shows that the control process issmooth, the dynamic tracking is timely, the control accuracy is±2℃, and the response ofthe disturbance is rapid and satisfy the control requirements of the experimental process.