JPS637996U - - Google Patents
Info
- Publication number
- JPS637996U JPS637996U JP1986100448U JP10044886U JPS637996U JP S637996 U JPS637996 U JP S637996U JP 1986100448 U JP1986100448 U JP 1986100448U JP 10044886 U JP10044886 U JP 10044886U JP S637996 U JPS637996 U JP S637996U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- output
- speed
- inverting amplifier
- sends out
- 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 1
- 238000010586 diagram Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 1
Description
第１図はこの考案の一実施例を示すブロツク図
、第２図ａ〜ｄは第１図の各部動作波形図、第３
図は第１図に対応する従来例のブロツク図である
。
図において、２は補償回路、９は同期電動機、
１４は反転増幅器、１５は１次遅れ回路、１６は
加算回路、１７は比較器。なお、各図中、同一符
号は同一又は相当部分を示す。
Fig. 1 is a block diagram showing an embodiment of this invention, Figs. 2 a to d are operational waveform diagrams of each part of Fig. 1, and Fig. 3
This figure is a block diagram of a conventional example corresponding to FIG. 1. In the figure, 2 is a compensation circuit, 9 is a synchronous motor,
14 is an inverting amplifier, 15 is a first-order delay circuit, 16 is an adder circuit, and 17 is a comparator. In each figure, the same reference numerals indicate the same or equivalent parts.
Claims (1)
応じて速度制御する速度制御ループ内の補償回路
の出力を極性反転する反転増幅器と、この反転増
幅器と同一の入力波形を受けて、所定周波数以上
の時振幅及び位相の変化する出力を送出する１次
遅れ回路と、この反転増幅器と１次遅れ回路の出
力を加算する加算回路と、加算回路の出力が所定
値以上になつた時にハンチング検出信号を送出す
る比較器を備えたことを特徴とする電動機の制御
装置。 An inverting amplifier that inverts the polarity of the output of the compensation circuit in the speed control loop that controls the speed according to the difference between the speed command to the motor and the actual detected speed; A first-order lag circuit that sends out an output whose amplitude and phase change at the above times, an addition circuit that adds the outputs of this inverting amplifier and the first-order lag circuit, and hunting detection when the output of the addition circuit exceeds a predetermined value. A control device for an electric motor, characterized by comprising a comparator that sends out a signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986100448U JPS637996U (en) | 1986-06-30 | 1986-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986100448U JPS637996U (en) | 1986-06-30 | 1986-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS637996U true JPS637996U (en) | 1988-01-19 |
Family
ID=30970281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986100448U Pending JPS637996U (en) | 1986-06-30 | 1986-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637996U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013005552A (en) * | 2011-06-15 | 2013-01-07 | Minebea Co Ltd | Brushless motor drive controller and method of detecting rotation abnormality |
-
1986
- 1986-06-30 JP JP1986100448U patent/JPS637996U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013005552A (en) * | 2011-06-15 | 2013-01-07 | Minebea Co Ltd | Brushless motor drive controller and method of detecting rotation abnormality |