JPH03124794U - - Google Patents
Info
- Publication number
- JPH03124794U JPH03124794U JP1990031971U JP3197190U JPH03124794U JP H03124794 U JPH03124794 U JP H03124794U JP 1990031971 U JP1990031971 U JP 1990031971U JP 3197190 U JP3197190 U JP 3197190U JP H03124794 U JPH03124794 U JP H03124794U
- Authority
- JP
- Japan
- Prior art keywords
- digital
- hereinafter referred
- oscillation circuit
- converters
- converter
- 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
Landscapes
- Control Of Motors That Do Not Use Commutators (AREA)
Description
第１図は本考案の一実施例における速度電圧生
成回路のブロツク図、第２図は、従来のエンコー
ダを使用しない場合の速度電圧生成回路のブロツ
ク図。
１……位置検出信号入力端子、２……ワンシヨ
ツトマルチバイブレータ、３……発振回路、４…
…カウンタ、５……デジタルアナログ（Ｄ／Ａ）
変換器、６……サンプルホールド回路、７……速
度電圧規定最大値入力端子、８……減算器、９…
…速度電圧出力端子。
FIG. 1 is a block diagram of a speed voltage generation circuit according to an embodiment of the present invention, and FIG. 2 is a block diagram of a speed voltage generation circuit when a conventional encoder is not used. 1... Position detection signal input terminal, 2... One-shot multivibrator, 3... Oscillation circuit, 4...
...Counter, 5...Digital analog (D/A)
Converter, 6...Sample hold circuit, 7...Speed voltage specified maximum value input terminal, 8...Subtractor, 9...
...Speed voltage output terminal.
Claims (1)
回路、カウンタ、デジタルアナログ変換器（以下
、Ｄ／Ａ変換器と称する。）、サンプルホールド
回路を設け、位置検出信号と、この発振回路のパ
ルスをデジタルアナログ変換（以下、Ｄ／Ａ変換
と称する。）した電圧を用いて、速度電圧を検出
することを特徴とする速度電圧検出装置。 The DC brushless motor driver is equipped with an oscillation circuit, a counter, a digital-to-analog converter (hereinafter referred to as a D/A converter), and a sample hold circuit, and the position detection signal and the pulses of this oscillation circuit are converted into digital-to-analog converters (hereinafter referred to as D/A converters). , D/A conversion) is used to detect a speed voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990031971U JPH03124794U (en) | 1990-03-29 | 1990-03-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990031971U JPH03124794U (en) | 1990-03-29 | 1990-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03124794U true JPH03124794U (en) | 1991-12-17 |
Family
ID=31534788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990031971U Pending JPH03124794U (en) | 1990-03-29 | 1990-03-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03124794U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013126367A (en) * | 2011-12-14 | 2013-06-24 | Samsung Electro-Mechanics Co Ltd | Motor control circuit, motor drive device, and motor control method |
-
1990
- 1990-03-29 JP JP1990031971U patent/JPH03124794U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013126367A (en) * | 2011-12-14 | 2013-06-24 | Samsung Electro-Mechanics Co Ltd | Motor control circuit, motor drive device, and motor control method |
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