JPS62125393U - - Google Patents
Info
- Publication number
- JPS62125393U JPS62125393U JP1986011915U JP1191586U JPS62125393U JP S62125393 U JPS62125393 U JP S62125393U JP 1986011915 U JP1986011915 U JP 1986011915U JP 1191586 U JP1191586 U JP 1191586U JP S62125393 U JPS62125393 U JP S62125393U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- current
- motor
- circuit
- power supply
- 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 5
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Control Of Voltage And Current In General (AREA)
- Control Of Electric Motors In General (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は従来のモータ駆動システムの構成図である
。
図において、１はパワーアンプ、２はパワーア
ンプ電源電圧、３はグランド、４はモータ、５は
モータ電流、６は電流検出抵抗、７は電流検出回
路、８は電流検出回路出力、９はタコジエネレー
タ、１０はモータ回転速度出力、１１は演算回路
、１２は増幅器、１３は増幅出力信号、１４は増
幅器、１５は増幅出力信号、１６は加算器、１７
は加算結果、１８は余裕電圧、１９は加算器、２
０は演算出力、２１は電流増幅回路、２２は可変
パワーアンプ電源電圧である。なお、各図中同一
符号は同一または相当部分を示す。
FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a block diagram of a conventional motor drive system. In the figure, 1 is the power amplifier, 2 is the power amplifier power supply voltage, 3 is the ground, 4 is the motor, 5 is the motor current, 6 is the current detection resistor, 7 is the current detection circuit, 8 is the current detection circuit output, 9 is the tacho generator , 10 is a motor rotation speed output, 11 is an arithmetic circuit, 12 is an amplifier, 13 is an amplified output signal, 14 is an amplifier, 15 is an amplified output signal, 16 is an adder, 17
is the addition result, 18 is the margin voltage, 19 is the adder, 2
0 is a calculation output, 21 is a current amplification circuit, and 22 is a variable power amplifier power supply voltage. Note that the same reference numerals in each figure indicate the same or corresponding parts.
Claims (1)
測定することにより得られたモータ電流とモータ
に直結したタコジエネレータにより検出したモー
タ回転速度よりモータ端子電圧を演算し、余裕電
圧を加えてパワーアンプ電源電圧を決定し電流増
幅回路に演算結果を出力する演算回路と、この演
算回路の出力を電流増幅しパワーアンプに電流電
圧を供給する電流増幅回路を備えたことを特徴と
する電源電圧可変装置。 The motor terminal voltage is calculated from the motor current obtained by measuring the voltage across the current detection resistor with a current detection circuit and the motor rotation speed detected by the tachometer generator directly connected to the motor, and a margin voltage is added to the power amplifier power supply. A power supply voltage variable device comprising: an arithmetic circuit that determines a voltage and outputs the arithmetic result to a current amplification circuit; and a current amplification circuit that amplifies the output of the arithmetic circuit and supplies the current voltage to a power amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011915U JPS62125393U (en) | 1986-01-30 | 1986-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986011915U JPS62125393U (en) | 1986-01-30 | 1986-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62125393U true JPS62125393U (en) | 1987-08-08 |
Family
ID=30799561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986011915U Pending JPS62125393U (en) | 1986-01-30 | 1986-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62125393U (en) |
-
1986
- 1986-01-30 JP JP1986011915U patent/JPS62125393U/ja active Pending
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