Simulation the Iterative Learing Control Applied to the TPS Booster Ring Quadruple Magnet Power Supply

Autor: Wang, Bao-Sheng, Chien, Yuan-Chen, Liu, Chen-Yao, Liu, Kuo-Bin, Wong, Yong Seng
Jazyk: angličtina
Rok vydání: 2017
Předmět:
DOI: 10.18429/jacow-ipac2017-wepva130
Popis: In the newly built TPS (Taiwan Photon Source), the AC power supplies of the Booster ring are required to operate in DC and AC mode with accuracy. Especially in AC mode, during the booster ramping process, the current ramping profiles of the Quadruple Magnets have to track that of the Dipole AC power supply with precise phase and amplitude to maximize the beam energy boost efficiency. At the present time, analog controllers are used for all the booster supplies and the tracking waveforms are generated externally in an EPICS control unit, converted to analog signals with precision Digital-to-Analog Converters (DACs) and then distributed to all the booster power supplies with differential signal pairs. In this paper, here we propose a hybrid iterative learning control algorithm combined with discrete PID feedback controller with the objective to eliminate the signal integrity problem inherent in analogue signals, so that boosting the beam energy might become more reliable. The proposed digital controller algorithm for the TPS booster ring magnet power supply and quadruple magnet load has been simulated with success.
Proceedings of the 8th Int. Particle Accelerator Conf., IPAC2017, Copenhagen, Denmark
Databáze: OpenAIRE