Prof. ¿Ziyun Wang, his research interests include fault detection and fault diagnosis, filtering technique, power converter analysis, mobile robot control, wind turbine analysis. More than 20 articles have been published in the fault detection and filtering area. Prof. Yan Wang, her research interests include system identification, fault detection, energy-efficient control of complex manufacturing system, industrial networked system, evolutionary computing. More than 20 articles have been published in the fault detection and filtering area. Prof. Zhicheng Ji, his research interests include filtering technique, morden control theory, industrial networked system, optimal control of complex manufacturing system. More than 40 articles have been published in the fault detection and filtering area.