M. Takegaki and S. Arimoto: "A new feedback method for dynamic control of manipulators," Trans. of the ASME J. of Dynamic Systems, Measurement and Control, Vol. 103, No. 2, pp. 119-25, 1981.
 S. Arimoto, K. Tahara, J.-H. Bae, and M. Yoshida: "A stability theory on a manifold: concurrent realization of grasp and orientation control of an object by a pair of robot fingers," Robotica, Vol. 21, No. 2, pp. 163-178, 2003.
 S. Arimoto, M. Sekimoto, and R. Ozawa: "A challenge to Bernstein's degrees-of-freedom problem in both cases of human and robotic multi-joint movements," IEICE Transactions on Fundamentals of Electronics, Communications, and Computer Sciences, Vol.E88-A, No.10, pp.2484-2495, 2005.
 S. Arimoto, H. Hashiguchi, M. Sekimoto, and R. Ozawa: "Generation of natural motions for redundant multi-joint systems: A differential-geometric approach based upon the principle of least actions," J. of Robotic Systems, Vol.22, No.11, pp.583-605, 2005.
 M. Sekimoto and S. Arimoto: "A natural redundancy-resolution for 3-D multi-joint reaching under the gravity effect," J. of Robotic Systems, Vol.22, No.11, pp.607-623, 2005.
 S. Arimoto and M. Sekimoto: "Natural resolution of ill-posed inverse kinematics for redundant robots: A challenge to Bernstein's Degrees-of-freedom problem," J. of Robotics and Mechatronics, Vol.18, No.5, pp.651-660, 2006.
 M. Sekimoto and S. Arimoto: "Experimental study on control method for robot arms with redundant joints based upon virtual spring-damper hypothesis," J. of the Robotics Society of Japan, Vol.25, No.5, pp.785-791, 2007. (in Japanese)
 S. Arimoto, M. Yoshida, M. Sekimoto, and K. Tahara: "A Riemannian-geometry approach for control of robotic systems under constraints," SICE J. of Control, Measurement, and System Integration, Vol.2, No.2, pp.107-116, 2009.
 S. Arimoto, and M. Sekimoto: "An optimal regulator for stabilization of multi-joint reaching movements under DOF-redundancy: A challenge to the Bernstein problem from a control-theoretic viewpoint," Proceedings of the Institution of Mechanical Engineers, Part I: J. of Systems and Control Engineering, Vol.225, No.6, pp.779-789, 2011.
 S. Arimoto: "Optimal linear quadratic regulators for control of nonlinear mechanical systems with redundant degrees-of-freedom," SICE J. of Control, Measurement, and System Integration, Vol. 4, No. 4, pp. 289–294, 2011.