Title:
位置指令制御装置およびバンド除去フィルタ
Document Type and Number:
Japanese Patent JP6646466
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a filter having such features that arithmetic processing burden of filter operation is small, and reverse run out during startup or jump at stop can be prevented even if the filter characteristics are designed steeply.SOLUTION: A band removal filter has a multiplex notch filter block, a first moving average filter block, and a second moving average filter block arranged in parallel with an input signal, and outputs an output addition value of the three filter blocks as an output signal. The multiplex notch filter block is constituted by connecting multiplex band notch filter in series with the subsequent stage of a first delay device. The first moving average filter block is constituted by connecting a first amplifier in series with the subsequent stage of the moving average filter cascading the predetermined number of stages. The second moving average filter block is constituted by connecting a second delay device and a second amplifier in series with the subsequent stage of the moving average filter cascading a smaller number of stages than the predetermined number of stages.SELECTED DRAWING: Figure 1
Inventors:
Satoshi Eguchi
Application Number:
JP2016030360A
Publication Date:
February 14, 2020
Filing Date:
February 19, 2016
Export Citation:
Assignee:
Okuma Corporation
International Classes:
H03H17/02; G05D3/12
Domestic Patent References:
| JP2011197738A | ||||
| JP2015097462A | ||||
| JP2004272749A |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office