| Tehran Metro Line1&2 is one of the greatest electromechanical export items of China. And Qinghua Tongfang Limited Corporation contracted the facilities supply and control software exploitation of the BAS. Whereas the condition of the time, some parts of thermal environment control software EnCs still has several deficiency needed to be improved.In this thesis, on the base of the predecessor research to online optimizing control implement of the subway environment control system, in allusion to the self-specialty of Tehran subway and local climate character, some research has been finished by those modules which have shortages, and new resolvents have been brought forward that can be applied in project. On the base of subway thermal environment simulation software STESS exploit by Qinghua University Department of Building Science, improve the environment forecast module of EnCs and make it exactly estimate the temperature diversification of everywhere tunnels and stations under the given ventilation mode in future some time. According to the method concluded by predecessor that uses HDR index to calculate permitted temperature range of subway station in all year, the temperature control range of Tehran subway station in all year is presented. And making it the meet standard, establish all suitable ventilation modes of various seasons in one year which finally converged to be one overall-modes-storeroom.Considering the application in project, improve the criterion of appraising the ventilation mode quality and supply the consult standard to filter the best ventilation mode in future some time for optimizing control module of EnCs.
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