1. Active control of flexible systems;Balas;Journal of Optimization Theory and Applications,1978
2. Internal force-based impedance control for cooperating manipulators;Bonitz;IEEE Transactions on Robotics and Automation,1996
3. Intelligent feedback linearization for active vehicle suspension control;Buckner;ASME Journal of Dynamic Systems, Measurement, and Control,2001
4. Positive position feedback control for large space structures;Fanson;AIAA Journal,1990
5. Fenn, R. C., Downer, J. R., Gondhalekar, V., & Johnson, B. G. (1990). An active magnetic suspension for space-based microgravity vibration isolation. Proceedings of ASME, Conference on Active Noise Vibration Control (pp. 49–56). Dallas, TX.