School of Information and Electrical Engineering Shandong Jianzhu University Jinan 250101 China;
Institute of Automation Chinese Academy of Sciences Beijing 100190 China;
Institute of Automation Chinese Academy of Sciences Beijing 100190 and also with Qingdao Academy of Intelligent Industries Qingdao 266109 China;
School of Information Science and Engineering Shandong Normal University Jinan 250014 China;
Fuzzy set; least square method; linguistic dynamic system(LDS); multi-objective optimization;