User guide

Copley Controls 181
APPENDIX
C: FILTERS
Filters can be used to inhibit interference frequencies or dampen mechanical oscillations.
Topics in this chapter include:
C.1: Setting Parameters ............................................................................................................................................................ 182
C.2: Filter Configuration Windows ............................................................................................................................................. 182
C.2.1: Filter Settings ........................................................................................................................................................ 182
C.2.2: Analog ................................................................................................................................................................... 183
C.2.3: V Loop .................................................................................................................................................................. 183
C.2.4: I Loop .................................................................................................................................................................... 184
C.3: Standard Filter Types ......................................................................................................................................................... 184
C.3.1: Low Pass Filter...................................................................................................................................................... 184
C.3.2: High Pass Filter ..................................................................................................................................................... 184
C.3.3: Notch Filter ............................................................................................................................................................ 185
C.3.4: Band Pass Filter .................................................................................................................................................... 185
C.3.5: Custom Biquad Filter ............................................................................................................................................. 185
C.4: Standard Filter Families ..................................................................................................................................................... 186
C.4.1: Butterworth Filter ................................................................................................................................................... 186
C.4.2: Chebychev Filter ................................................................................................................................................... 186
C.4.3: Elliptic Filter........................................................................................................................................................... 186
C.5: Input Shaping ..................................................................................................................................................................... 187
C.5.1: Input Shaping Window .......................................................................................................................................... 188
C.5.2: Input Shaping Types ............................................................................................................................................. 188
C.5.3: Measuring Mechanical Vibration ........................................................................................................................... 189