Indexed by:会议论文
Date of Publication:2009-01-01
Included Journals:CPCI-S
Page Number:1776-1783
Key Words:Built Environment Chamber; Experiment; Parameter Identification; Self-abstracting rules fuzzy control; Control simulation
Abstract:The paper discusses the problems of modelling the thermal performance transfer functions and self-organizing fuzzy control of the controlled processes, namely indoor air temperature, supply air system and hot water system, in a built environment chamber system, which is a multi-variable, large time delay and nonlinear system. Firstly, self-abstracting rules fuzzy control (SARFC) method is put forward in the paper. For the demands of parameter identification of the transfer functions, experimental data in a format of time sequence has been obtained by carrying out experiments about the dynamical responding performance of the controlled loops. According to the experimental data and by the least square method, the paper finishes the parameter identification of the transfer functions of the loops, compares and analyzes the orders of the transfer functions, from which a set of satisfied transfer functions have been obtained. At last, the paper implements fuzzy control simulation on the built environment indoor air temperature based on the adjustment of the supply air system and the hot water system by SARFC. Fuzzy control simulation shows that SARFC of the indoor air temperature has a satisfied control characteristic, in which there is no higher overshoot and no higher stable error. The transfer functions and control simulation presented in the paper will be a theory basis to further study on the fuzzy control performance by experiments of the built environment chamber system.
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