| 摘要 |
PURPOSE: To perform the operation completely independently of used control loops by selecting one signal related to the quantity of disturbance and generating a correction signal required for disturbance quantity compensation from the selected signal by complex vector calculation. CONSTITUTION: A first signal taken out before the position of invasion of a disturbance quantity (z) and a second signal taken out after this position are supplied to a mixing element M so that a signal z' related to only the disturbance quantity (z) is selected. The fundamental oscillation component of the signal z' and a signal whose phase is advanced by 90 deg. are subjected to amplitude weighting in correction elements K and K' by the real parts or the imaginary parts of pairs of complex correction frequencies FK, jω, FK', and jωwhich are so set that a sum z" of these signals compensates the disturbance and can be superposed before the position, where the first signal is taken out, or eliminates the disturbance and can be superposed after the position where the second signal is taken out. Thus, the quantity of disturbance is effectively eliminated in parallel without a control action loop passing a control object.
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