作者单位:LIU Dong-peng,WANG Ya-fei,CHENG Guang-xu,HU Hai-jun(Department of Process Equipment and Control Engineering, School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, China)刘冬鹏,王亚飞,程光旭,胡海军(西安交通大学化工学院过程装备与控制工程系,西安710049)