JPH0235346U - - Google Patents
Info
- Publication number
- JPH0235346U JPH0235346U JP1988114203U JP11420388U JPH0235346U JP H0235346 U JPH0235346 U JP H0235346U JP 1988114203 U JP1988114203 U JP 1988114203U JP 11420388 U JP11420388 U JP 11420388U JP H0235346 U JPH0235346 U JP H0235346U
- Authority
- JP
- Japan
- Prior art keywords
- polarity
- area
- region
- periodic reference
- determining means
- 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.)
- Granted
Links
- 238000005070 sampling Methods 0.000 claims 4
- 230000000737 periodic effect Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
Landscapes
- Control Of Electric Motors In General (AREA)
Description
第１図乃至第３図は本考案の実施例を示し、第
１図は回転検出装置のブロツク図、第２図はホー
ル素子の出力波形図、第３図はフローチヤート図
である。
２……ホール素子（周波数発生器）、５……マ
イコン（領域決定手段等）、６……カウンタ（計
測手段）。
1 to 3 show an embodiment of the present invention, in which FIG. 1 is a block diagram of a rotation detection device, FIG. 2 is an output waveform diagram of a Hall element, and FIG. 3 is a flowchart. 2... Hall element (frequency generator), 5... Microcomputer (area determining means, etc.), 6... Counter (measuring means).
Claims (1)
る周波数発生器と、 信号レベルを複数領域に区分し、一定時間毎の
サンプリング点における前記周波数信号の領域を
定める領域決定手段と、 前回のサンプリング点の領域と今回のサンプリ
ング点の領域とを比較し、領域が変化したか否か
及び極性を判別する領域変化判別手段と、 この領域変化判別手段が領域変化ありと判別し
た場合に、領域変化の極性が前回以前のサンプリ
ング点のものと比較して反転したか否かを判別す
る極性判別手段と、 この極性判別手段が極性反転ありと判別した場
合にそのサンプリング点を周期基準点としてこの
周期基準点間を計測する計測手段と、 を備えてこの計測手段の計測値から前記回転体の
回転状態を知ることを特徴とする回転検出装置。[Claims for Utility Model Registration] A frequency generator that outputs a frequency signal according to the rotational speed of a rotating body, and a region that divides the signal level into a plurality of regions and defines the region of the frequency signal at sampling points at fixed time intervals. determining means; area change determining means for comparing the area of the previous sampling point with the area of the current sampling point and determining whether or not the area has changed and the polarity thereof; a polarity determining means for determining whether or not the polarity of the region change has been reversed compared to that of the previous sampling point when the polarity has been determined; A rotation detecting device comprising: a measuring means for measuring between the periodic reference points by using the periodic reference point as a periodic reference point;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114203U JPH0626986Y2 (en) | 1988-08-31 | 1988-08-31 | Rotation detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988114203U JPH0626986Y2 (en) | 1988-08-31 | 1988-08-31 | Rotation detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0235346U true JPH0235346U (en) | 1990-03-07 |
| JPH0626986Y2 JPH0626986Y2 (en) | 1994-07-20 |
Family
ID=31354739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988114203U Expired - Lifetime JPH0626986Y2 (en) | 1988-08-31 | 1988-08-31 | Rotation detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0626986Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008222A (en) * | 2008-06-26 | 2010-01-14 | Aisin Seiki Co Ltd | Sensor signal processing apparatus |
-
1988
- 1988-08-31 JP JP1988114203U patent/JPH0626986Y2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010008222A (en) * | 2008-06-26 | 2010-01-14 | Aisin Seiki Co Ltd | Sensor signal processing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0626986Y2 (en) | 1994-07-20 |
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