JPH02139495U - - Google Patents
Info
- Publication number
- JPH02139495U JPH02139495U JP1989048397U JP4839789U JPH02139495U JP H02139495 U JPH02139495 U JP H02139495U JP 1989048397 U JP1989048397 U JP 1989048397U JP 4839789 U JP4839789 U JP 4839789U JP H02139495 U JPH02139495 U JP H02139495U
- Authority
- JP
- Japan
- Prior art keywords
- drive
- circuit
- speed signal
- detection resistor
- series
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 11
- 239000003990 capacitor Substances 0.000 claims description 3
- 230000010354 integration Effects 0.000 claims description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Direct Current Motors (AREA)
Description
第１図は本考案を応用した速度制御回路の一例
を示すブロツク図、第２図は同実施例における高
域阻止フイルタの伝達特性を示す特性図である。
１１…駆動コイル、１３…駆動電流検出抵抗、
１４…駆動出力検出抵抗、１５…駆動出力検出コ
ンデンサ、１６…減算回路、１７…積分回路、１
８…加算回路、２０…高域阻止フイルタ。
FIG. 1 is a block diagram showing an example of a speed control circuit to which the present invention is applied, and FIG. 2 is a characteristic diagram showing the transfer characteristics of a high-frequency blocking filter in the same embodiment. 11... Drive coil, 13... Drive current detection resistor,
14... Drive output detection resistor, 15... Drive output detection capacitor, 16... Subtraction circuit, 17... Integration circuit, 1
8...Addition circuit, 20...High frequency blocking filter.
Claims (1)
電流検出抵抗と、前記駆動コイル及び駆動電流検
出抵抗の直列回路と並列に接続され互いに直列に
接続される駆動出力検出抵抗及び駆動出力検出コ
ンデンサと、前記駆動電流検出抵抗の両端電圧と
前記駆動出力検出コンデンサの両端電圧とを比較
して前記駆動コイルの速度信号を検出する速度信
号検出回路において、前記駆動コイルの駆動電流
を積分する積分回路と、この積分回路の出力信号
を前記速度信号に加算する加算回路とを備えたこ
とを特徴とする速度信号検出回路。 a drive current detection resistor connected in series with a drive coil of a motor, etc.; a drive output detection resistor and a drive output detection capacitor connected in parallel with the series circuit of the drive coil and drive current detection resistor and connected in series with each other; A speed signal detection circuit that detects a speed signal of the drive coil by comparing a voltage across the drive current detection resistor and a voltage across the drive output detection capacitor, an integrating circuit that integrates the drive current of the drive coil; A speed signal detection circuit comprising: an addition circuit that adds an output signal of the integration circuit to the speed signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048397U JPH02139495U (en) | 1989-04-25 | 1989-04-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989048397U JPH02139495U (en) | 1989-04-25 | 1989-04-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02139495U true JPH02139495U (en) | 1990-11-21 |
Family
ID=31565165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989048397U Pending JPH02139495U (en) | 1989-04-25 | 1989-04-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02139495U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156139A (en) * | 1983-02-23 | 1984-09-05 | Sankyo Seiki Mfg Co Ltd | Speed signal detection circuit of electromagnetic driving equipment |
| JPS6248284A (en) * | 1985-08-24 | 1987-03-02 | Okuma Mach Works Ltd | Control for motor |
-
1989
- 1989-04-25 JP JP1989048397U patent/JPH02139495U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59156139A (en) * | 1983-02-23 | 1984-09-05 | Sankyo Seiki Mfg Co Ltd | Speed signal detection circuit of electromagnetic driving equipment |
| JPS6248284A (en) * | 1985-08-24 | 1987-03-02 | Okuma Mach Works Ltd | Control for motor |