JPH07100577B2 - Speed command calculation method - Google Patents
Speed command calculation methodInfo
- Publication number
- JPH07100577B2 JPH07100577B2 JP3228412A JP22841291A JPH07100577B2 JP H07100577 B2 JPH07100577 B2 JP H07100577B2 JP 3228412 A JP3228412 A JP 3228412A JP 22841291 A JP22841291 A JP 22841291A JP H07100577 B2 JPH07100577 B2 JP H07100577B2
- Authority
- JP
- Japan
- Prior art keywords
- speed
- position detector
- calculation method
- command calculation
- deceleration
- 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.)
- Expired - Fee Related
Links
Landscapes
- Control Of Position Or Direction (AREA)
- Elevator Control (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は位置検出器を用いて減速
を開始せしめる、例えばエレベータのような場合に適用
する速度指令演算方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a speed command calculation method for starting deceleration using a position detector, which is applied to an elevator, for example.
【０００２】[0002]
【従来の技術】図３は従来の一例を示す特性図であり、
位置検出器 Ls を検出し、直ちに減速演算を開始せしめ
る演算方法である。すなわち、図３の速度−時間特性か
ら、速度 vh とそれより低い速度 ve を有するシステム
に於てはそれぞれ別の位置検出器 Ls1と Ls2が備えら
れ、これらによって減速開始が行われている。2. Description of the Related Art FIG. 3 is a characteristic diagram showing a conventional example.
This is a calculation method that detects the position detector Ls and immediately starts deceleration calculation. That is, from the speed-time characteristics of FIG. 3, in the system having the speed v h and the speed v e lower than that, separate position detectors Ls 1 and Ls 2 are provided, respectively, and deceleration start is performed by these. ing.
【０００３】[0003]
【発明が解決しようとする課題】しかしかような方法に
おいては、位置検出器がそれぞれ必要となり、さらには
これに付随した演算器も加わって好ましい方法ではなか
った。本発明は上述した点に鑑みて創案されたもので、
その目的とするところは、簡素で、しかも経費のかから
ない速度指令演算方法を提供することにある。However, such a method is not a preferable method because each position detector is required, and further an arithmetic unit attached thereto is also added. The present invention was created in view of the above points,
It is an object of the present invention to provide a speed command calculation method which is simple and inexpensive.
【０００４】[0004]
【課題を解決するための手段】つまり、その目的を達成
するための手段は、高速運転速度 vh で走行中、位置検
出器の信号を検出した場合は直ちに減速演算を行い、減
速を開始せしめる。高速運転速度 vh より低い低速運転
速度 ve で走行中、位置検出器の信号を検出した場合は
直ちに減速することなく、低速運転速度 ve で距離(vh
2- ve 2)×L1／vh 2 を走行後減速演算を行い、減速せ
しめる方法である。Means for Solving the Problems That is, the means for achieving its purpose, running at a high speed operating speed v h, performed immediately decelerating operation if it detects a signal of the position detector, allowed to start deceleration . Running at a high speed operating speed v h lower low-speed driving speed v e, without decelerating immediately if it detects a signal of the position detector, the distance at a low speed operating speed v e (v h
2 -v e 2 ) × L 1 / v h 2 is the method of performing deceleration calculation after running and decelerating.
【０００５】[0005]
【作用】その作用は、図２の速度−時間特性から、位置
検出器 Ls より停止目標位置までの距離はL1であり、高
速運転速度 vh 、低速運転速度 ve で走行中に位置検出
器 Ls の信号を検出した場合は、距離( S2＋S3) すなわ
ち、〔＝(vh 2- ve 2)L1／ vh 2 〕だけ低速運転速度 v
e で走行せしめ、その後直ちに減速演算を行い、減速開
始まするようにした方法である。以下本発明の一実施例
を図面に基づいて詳述する。[Action] its action, the rate of 2 - from the time characteristics, the distance to the target stop position from the position detector Ls is L 1, fast operating speed v h, the position detected in the traveling at a low speed operating speed v e When the signal of the device Ls is detected, the distance (S 2 + S 3 ), that is, [= (v h 2 -ve 2 ) L 1 / v h 2 ]
This is a method in which the vehicle is driven with e , deceleration is calculated immediately after that, and deceleration is started. An embodiment of the present invention will be described in detail below with reference to the drawings.
【０００６】[0006]
【実施例】図１は本発明の一実施例を示す速度一時間特
性図であり、位置検出器Lsの信号入力よりパルスジネレ
ータ出力PGを計測し、距離〔(vh 2- ve 2)L1／ vh 2〕
だけ走行した距離に相当するPG数を計測するまで速度 v
e で走行し、停止目標位置までの残された距離〔L1＝(v
h 2- ve 2)L1／ vh 2 〕で減速演算を行い、停止目標位
置まで減速する。L1は停止目標位置より位置検出器 Ls
までの距離である。FIG. 1 is a speed-time characteristic diagram showing an embodiment of the present invention, in which a pulse generator output PG is measured from a signal input of a position detector Ls and a distance [(v h 2 -v e 2 ) L 1 / v h 2 )
Speed v until the number of PGs corresponding to the distance traveled is measured
Driving at e , the remaining distance to the target stop position [L 1 = (v
Deceleration calculation is performed with h 2 -v e 2 ) L 1 / v h 2 ], and deceleration is performed to the stop target position. L 1 is the position detector Ls from the target stop position
Is the distance to.
【０００７】[0007]
【発明の効果】以上説明したように本発明によれば、異
なる２つの速度を有するシステムで減速を行う場合に、
位置検出器が１つでよいため、位置検出器の調整時間短
縮、コストダウンにつながり、極めて有用性の高い速度
指令演算方法である。As described above, according to the present invention, when decelerating in a system having two different speeds,
Since only one position detector is required, the speed command calculation method is extremely useful because it shortens the adjustment time of the position detector and reduces the cost.
【０００８】[0008]
【図１】図１は本発明の一実施例を示す速度一時間特性
図である。FIG. 1 is a speed / time characteristic diagram showing an embodiment of the present invention.
【図２】図２は図１の作用を説明する特性図である。FIG. 2 is a characteristic diagram illustrating the operation of FIG.
【図３】図３は従来の一例を示す特性図である。FIG. 3 is a characteristic diagram showing a conventional example.
【０００９】[0009]
vh 高速運転速度 ve 低速運転速度 S1〜4 距離 Ls 位置検出器 L1 停止目標位置より位置検出器までの距離 Ls1 位置検出器 Ls2 位置検出器v h High-speed operation speed v e Low-speed operation speed S 1 to 4 Distance L s Position detector L 1 Distance from stop target position to position detector Ls 1 Position detector Ls 2 Position detector
Claims (1)
S 配置し、高速運転速度 vh で走行している場合は該検
出器 LS の信号によりただちに減速を開始する装置にお
いて、前記高速運転速度 vh より低い低速運転速度 ve
で走行している場合は、直ちに減速することなく、距離
L2 ＝( vh 2 - ve 2)×L1／ vh 2 だけ走行した後、
減速を開始する速度指令演算方法。 1. A position detector L at a distance L 1 from a target stop position.
When S is installed and the vehicle is traveling at a high operating speed v h , a device that starts deceleration immediately by the signal of the detector L S, a low operating speed v e lower than the high operating speed v h
If you are driving in
After traveling L 2 = (v h 2 -v e 2 ) × L 1 / v h 2 ,
Speed command calculation method to start deceleration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3228412A JPH07100577B2 (en) | 1991-08-13 | 1991-08-13 | Speed command calculation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3228412A JPH07100577B2 (en) | 1991-08-13 | 1991-08-13 | Speed command calculation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0543149A JPH0543149A (en) | 1993-02-23 |
| JPH07100577B2 true JPH07100577B2 (en) | 1995-11-01 |
Family
ID=16876069
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3228412A Expired - Fee Related JPH07100577B2 (en) | 1991-08-13 | 1991-08-13 | Speed command calculation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07100577B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002220165A (en) * | 2001-01-23 | 2002-08-06 | Fuji Electric Co Ltd | Control system for induction motor |
-
1991
- 1991-08-13 JP JP3228412A patent/JPH07100577B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0543149A (en) | 1993-02-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |