Imperial College London > Talks@ee.imperial > Control and Power Seminars > Lyapunov Strictification and Filter Embedment: Powerful New Techniques for Control of Agile Aerospace Systems

Lyapunov Strictification and Filter Embedment: Powerful New Techniques for Control of Agile Aerospace Systems

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A large number of emerging aerospace engineering applications are addressing the development of autonomous control systems with agile maneuvering and robust perception inside dynamic, complex and uncertain environments well beyond the limits of what is currently feasible. In this seminar, we present an overview of some recent advances in nonlinear stability theory and robust adaptive control. In particular, we discuss new and extremely powerful mathematical tools – Lyapunov Strictification and Filter Embedment – for dynamical systems that are subject to non-affine uncertainty characterizations and nonlinear parameterization constraints within the overall control architecture. Historically, it is well-known that these control problems are extremely difficult to solve resulting in the unfortunate and wide-spread adoption of Procrustean schemes. By taking the new strictification and embedment approaches, we can identify large classes of aero-mechanical systems that result in stable closed-loop designs together with performance guarantees and thus, can be efficiently solved. The seminar concludes with a brief discussion of space systems applications that include rapid responsive space situational awareness, closed-loop guidance for asteroid rendezvous missions, on-orbit tunable controllers for spacecraft attitude dynamics, and UAV enabled coordinated target pursuit.

This talk is part of the Control and Power Seminars series.

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