26 شهریور 1400

محمدعلی قدیری مدرس

مرتبه علمی: استادیار
نشانی: دانشگاه صنعتی اراک
تحصیلات: دکترای تخصصی / مهندسی برق-کنترل
تلفن: 8633676543
دانشکده: دانشکده مهندسی برق

مشخصات پژوهش

عنوان
Newton-based extremum seeking for a static map coupled with a diffusion PDE at an arbitrary interior point
نوع پژوهش مقاله ارائه شده
کلیدواژه‌ها
Newton-based extremum seeking, backstepping, infinite-dimensional systems.
پژوهشگران پریسا نیکدل (نفر اول) ، فرید شیخ الاسلام (نفر دوم) ، مریم ذکری (نفر سوم) ، محمدعلی قدیری مدرس (نفر چهارم)

چکیده

In this paper the Newton-based extremum seeking for an unknown static map which is coupled with a diffusion partial differential equation (PDE) is presented. In contrast with previous works where optimization takes place at the zero boundary of the diffusion PDE, this paper considers a more general case where the optimization can take place at an arbitrary interior point of the diffusion PDE. First, the additive and multiplicative dither signals are designed to provide the estimations of the gradient and Hessian of the map in the average sense. Then, the error system is formulated as a first-order ordinary differential equation (ODE) coupled with a diffusion PDE at an interior point and an explicit dynamic feedback law is designed for stabilizing it. By using the backstepping transformation and infinite dimensional averaging theorem, it is shown that the proposed scheme achieves local exponential convergence to a neighborhood of the extremum. A simulation example is given to illustrate the theoretical results.