JPS6160113U - - Google Patents
Info
- Publication number
- JPS6160113U JPS6160113U JP14605084U JP14605084U JPS6160113U JP S6160113 U JPS6160113 U JP S6160113U JP 14605084 U JP14605084 U JP 14605084U JP 14605084 U JP14605084 U JP 14605084U JP S6160113 U JPS6160113 U JP S6160113U
- Authority
- JP
- Japan
- Prior art keywords
- sine wave
- wave signals
- signal
- rotating
- zero
- 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 6
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000003786 synthesis reaction Methods 0.000 claims 2
- 238000000605 extraction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
第１図は本考案による回転機器の回転位置検出
装置の一実施例を示すブロツク図、第２図は正弦
波信号ｖａ，ｖｂの加減算により生ずる正弦波信
号の説明に用いる略線図、第３図はゼロクロス点
検出回路に与えられる正弦波信号を同一軸上に示
した信号波形図、第４図は従来装置を示すブロツ
ク図、第５図は第４図の一部を詳細に示すブロツ
ク図、第６図は第４図の装置における各正弦波信
号を同一軸上に示した信号波形図である。
２……キヤプスタンモータ、１０……回転位置
検出装置、１１……回転体、１２ａ，１２ｂ……
磁気電気変換器、１３……ゼロクロス点検出回路
、１４……カウンタ。
FIG. 1 is a block diagram showing one embodiment of a rotational position detection device for rotating equipment according to the present invention, and FIG. 2 is a schematic diagram used to explain a sine wave signal generated by addition and subtraction of sine wave signals v a and v b . Fig. 3 is a signal waveform diagram showing the sine wave signal applied to the zero-cross point detection circuit on the same axis, Fig. 4 is a block diagram showing a conventional device, and Fig. 5 shows a part of Fig. 4 in detail. The block diagram of FIG. 6 is a signal waveform diagram showing each sine wave signal on the same axis in the apparatus of FIG. 4. 2...Capstan motor, 10...Rotational position detection device, 11...Rotating body, 12a, 12b...
Magnetoelectric converter, 13... Zero cross point detection circuit, 14... Counter.
Claims (1)
に応じて変化する相互に９０度の位相差を有する
第１及び第２の正弦波信号を取出す第１及び第２
の正弦波信号取出装置と、上記第１及び第２の正
弦波信号を少なくとも１回加算、減算して複数の
正弦波信号を得る正弦波信号合成回路と、上記第
１及び第２の正弦波信号並びに上記複数の正弦波
信号のゼロクロス点を検出するゼロクロス点検出
回路と、基準信号によりリセツトされ検出された
ゼロクロス点の数をカウントしてそのカウント内
容を上記回転機器の位置信号として出力するカウ
ンタとを具える回転機器の回転位置検出装置。 First and second sine wave signals that change in accordance with rotation and have a phase difference of 90 degrees from each other are extracted from a rotating body connected to a rotating shaft of a rotating device.
a sine wave signal extraction device; a sine wave signal synthesis circuit that adds and subtracts the first and second sine wave signals at least once to obtain a plurality of sine wave signals; and a sine wave signal synthesis circuit that obtains a plurality of sine wave signals; a zero-crossing point detection circuit that detects the zero-crossing points of the signal and the plurality of sine wave signals; and a counter that is reset by the reference signal, counts the number of detected zero-crossing points, and outputs the count as a position signal of the rotating equipment. A rotational position detection device for rotating equipment, comprising:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14605084U JPS6160113U (en) | 1984-09-27 | 1984-09-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14605084U JPS6160113U (en) | 1984-09-27 | 1984-09-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6160113U true JPS6160113U (en) | 1986-04-23 |
Family
ID=30704294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14605084U Pending JPS6160113U (en) | 1984-09-27 | 1984-09-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6160113U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827013A (en) * | 1981-08-12 | 1983-02-17 | Hitachi Ltd | Measuring encoder |
-
1984
- 1984-09-27 JP JP14605084U patent/JPS6160113U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827013A (en) * | 1981-08-12 | 1983-02-17 | Hitachi Ltd | Measuring encoder |
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