On Dead-Time Compensation in Repetitive Control
Leonid Mirkin
Technion-IIT, Haifa, Israel
DEIB - Conference Room "E. Gatti" (building 20) and On Line via Webex
October 15th, 2020
11.00 am
Contacts:
Paolo Bolzern
Technion-IIT, Haifa, Israel
DEIB - Conference Room "E. Gatti" (building 20) and On Line via Webex
October 15th, 2020
11.00 am
Contacts:
Paolo Bolzern
Sommario
On October 15th, 2020 at 11.00 am Leonid Mirkin, Technion-IIT at Haifa in Israel, will hold a seminar on "On Dead-Time Compensation in Repetitive Control".
Repetitive control is an elegant implementation of the internal model principle, which incorporates a model of an arbitrary periodic signal via the use of a single delay element. The main difficulty in the design of controllers incorporating repetitive elements is the need to analyze the stability of an nontrivial time-delay system. Existing solutions often do that via robust control arguments, leading to conservative solutions. In this talk I put forward an alternative approach, which reduces the stabilization problem to that for a delay-free system. The proposed architecture is, in a sense, dual to that used in various dead-time compensation schemes, like the Smith predictor. In the minimum-phase case, an implementation scheme, which is completely insensitive to the value of the delay in the repetitive block, is proposed.
Repetitive control is an elegant implementation of the internal model principle, which incorporates a model of an arbitrary periodic signal via the use of a single delay element. The main difficulty in the design of controllers incorporating repetitive elements is the need to analyze the stability of an nontrivial time-delay system. Existing solutions often do that via robust control arguments, leading to conservative solutions. In this talk I put forward an alternative approach, which reduces the stabilization problem to that for a delay-free system. The proposed architecture is, in a sense, dual to that used in various dead-time compensation schemes, like the Smith predictor. In the minimum-phase case, an implementation scheme, which is completely insensitive to the value of the delay in the repetitive block, is proposed.
Biografia
Leonid Mirkin is a native of Frunze, Kirghiz SSR, USSR (now Bishkek, Kyrgyz Republic). He received the electrical engineering degree from Frunze Polytechnic Institute and the Ph.D. (candidate of sciences) degree in automatic control from the Institute of Automation, Academy of Sciences, Kyrgyz Republic, in 1989 and 1992, respectively. From 1989 to 1993, he was with the Institute of Automation, Academy of Sciences of Kyrgyz Republic. In 1994 he joined the Faculty of Mechanical Engineering at the Technion–Israel Institute of Technology, first as a postdoc and then as a faculty member. His research interests include systems theory, control and estimation of sampled-data systems, dead-time compensation, systems with preview, distributed control, and exploiting control redundancy. Dr. Mirkin is a Member of IEEE and has served on the editorial boards of the IET Control Theory and Applications, IEEE Transactions on Automatic Control, and the European Journal of Control.
The event will be held in DEIB Conference Room and on line via Webex at link:
https://politecnicomilano.webex.com/meet/leonid.mirkin
The event will be held in DEIB Conference Room and on line via Webex at link:
https://politecnicomilano.webex.com/meet/leonid.mirkin
