qian ru shi kong zhi xi tong=: embedded control systems/ Qian ru shi kong zhi xi tong=: Embedded control systems/ Fei xian xing kong zhi xi tong =: Nonlinear control system / fei xian xing kong zhi xi tong =: nonlinear control system / Fei xian xing kong zhi xi tong =: Nonlinear control system/ fei xian xing kong zhi xi tong =: nonlinear control system/ Fei xian xing kong zhi xi tong/: Nonlinear control system, fei xian xing kong zhi xi tong/: nonlinear control system,