1. Ren Zhiting, Jiao Zongxia: Design of Motor-Drive Load Simulator with Small Torque Outputs, Journal of Beijing University of Aeronautics and Astronautics, Vol. 29(1) (2003), pp.91-94.
2. Yonsu Nam, Sung Kyung Hong: Force control system design for aerodynamic load simulator, Control Engineering Practice, Vol. 10 (2002), pp.549-558.
3. FU Wen-xing, SUN Li, YU Yun-feng, ZHU Su-peng, YAN Jie: Design and Model-building of Motor-driven Load Simulator with Large Torque Outputs, Journal of System Simulation, Vol. 21(12) (2009), pp.3596-3602.
4. NIU Hai-fa, NIU Ming-bo: Design and Application of Software on Helming Mechanism Testing System for Unmanned Aerial Vehicles, Measurement & Control Technology, Vol. 25(12)(2006) No. 12, pp.64-67.
5. H. Maekawa: Compact servo driver for torque control of DC-servo motor based on voltage control. Proc of IEEE Int Conf on Advanced Intelligent Mechatronics, Atlanta, USA, (1999).