Abstract
The original PFW controls provided only a limited correction for eddy current effects on the ZGS guide field. The present control system provides not only dynamic eddy current correction, but also additional complex corrections such as tune shift, median plane tilt and octupole fields. These corrections can be continuously tailored to specific requirements during the acceleration cycle. The electrical and operational characteristics of the system will be discussed along with the use of a computer program which calculates and graphically displays the resulting tune profile.
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