Title :
Digital global orbit feedback system developing in SRRC
Author :
Kuo, C.H. ; Lin, K.K. ; Wang, C.J. ; Chen, Jenny ; Chen, J.S. ; Chen, C.S. ; Hsu, K.T.
Author_Institution :
Synchrotron Radiat. Res. Center, Hsinchu, Taiwan
Abstract :
The digital global orbit feedback system for the storage ring of SRRC has been upgraded in terms of its feedback bandwidth extension by increasing its data acquisition sampling rate and compensating eddy current effect of vacuum chamber with filter. This orbit feedback system has been applied incorporate with the insertion devices operation, such as U5 undulator and engineering model adjustable phase undulator. Elimination of orbit drift and low frequency oscillation is a continuing effort
Keywords :
accelerator control systems; data acquisition; digital control; electron accelerators; feedback; storage rings; SRRC; U5 undulator; compensating eddy current effect; data acquisition sampling rate; digital global orbit feedback system; engineering model adjustable phase undulator; feedback bandwidth extension; insertion devices operation; low frequency oscillation; orbit drift; storage ring; vacuum chamber; Bandwidth; Data acquisition; Digital filters; Eddy currents; Feedback; Frequency; Sampling methods; Storage rings; Undulators; Vacuum systems;
Conference_Titel :
Particle Accelerator Conference, 1997. Proceedings of the 1997
Conference_Location :
Vancouver, BC
Print_ISBN :
0-7803-4376-X
DOI :
10.1109/PAC.1997.751213
