“Numerical Computational Techniques for Nonlinear Optimal Control” by Yasuaki Oishi

Yasuaki Oishi (Nanzan University, Nagoya, Japan)

Yasuaki Oishi (Nanzan University, Nagoya, Japan)

09:30 – 10:30
The stable-manifold method proposed by Sakamoto and van der Schaft in 2008 provides an effective approach to nonlinear optimal control.  In this talk, I present two numerical computational techniques for its improvement.  The first technique is for generation of points on the stable manifold in a robust way against numerical errors.  There, a special numerical method that preserves Hamiltonian is used to solve a differential equation sensitive to numerical errors.  The second technique is a sort of shooting method to generate a point corresponding to the desired system state.  These techniques are used for optimal swing-up of a pendulum and successfully give a swing-up trajectory with multiple swings. This is a joint work with Noboru Sakamoto and Takuto Nakamura.
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