1. Quadratic optimization of motion coordination and control
2. ‘An application of LQ control to a two link SCARA manipulator’, Proc. 1989 Am. Control Conf., pp. 1476–1483, Pittsburg, PA, 1989.
3. and , ‘Optimal control of a robot manipulator using a weighted time–energy cost function’, Proc. 28th Conf. on Decision and Control, IEEE, New York, 1989, pp. 1628–1631.