The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
TY - CONF AU - Kallakuri, P.S. AU - Arnold, N.D. AU - Carwardine, J. AU - Paskvan, D.R. AU - Sereno, N. ED - Liu, Zhengzheng ED - Lidia, Steven ED - McCausey, Amy ED - Schaa, Volker RW TI - Modeling the Fast Orbit Feedback Control System for APS Upgrade J2 - Proc. of IBIC2017, Grand Rapids, MI, USA, 20-24 August 2017 C1 - Grand Rapids, MI, USA T2 - International Beam Instrumentation Conference T3 - 6 LA - english AB - The expected beam sizes for APS Upgrade are in the order of 4 microns for both planes. Orbit stabilization to 10% of the beam size with such small cross-sections requires pushing the state of the art in fast orbit feedback control, both in the spatial domain and in dynamical performance; the latter being the subject of this paper. In this paper, we begin to study possible performance benefits of moving beyond the classic PID regulator to more sophisticated methods in control theory that take advantage of a-priori knowledge of orbit motion spectra and system non-linearities. A reliable model is required for this process. Before developing a predictive model for the APS Upgrade, the system identification methodology is tested and validated against the present APS storage ring. This paper presents the system identification process, measurement results, and discusses model validation. PB - JACoW CP - Geneva, Switzerland SP - 196 EP - 198 KW - ion KW - controls KW - feedback KW - power-supply KW - vacuum DA - 2018/03 PY - 2018 SN - 978-3-95450-192-2 DO - 10.18429/JACoW-IBIC2017-TUPCF02 UR - http://jacow.org/ibic2017/papers/tupcf02.pdf ER -