JP4310804B2 - 調節計 - Google Patents
調節計 Download PDFInfo
- Publication number
- JP4310804B2 JP4310804B2 JP2004006236A JP2004006236A JP4310804B2 JP 4310804 B2 JP4310804 B2 JP 4310804B2 JP 2004006236 A JP2004006236 A JP 2004006236A JP 2004006236 A JP2004006236 A JP 2004006236A JP 4310804 B2 JP4310804 B2 JP 4310804B2
- Authority
- JP
- Japan
- Prior art keywords
- control
- target
- generating means
- controller
- slsp
- 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 - Lifetime
Links
- 230000008859 change Effects 0.000 claims description 23
- 238000013459 approach Methods 0.000 claims description 4
- 230000004044 response Effects 0.000 description 29
- 238000010586 diagram Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
- G05B13/021—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a variable is automatically adjusted to optimise the performance
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Evolutionary Computation (AREA)
- Medical Informatics (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
Description
DV<k・DPVのときはNG...(2)
ここで、
DV;目標設定値SP(または設定値TSP)と制御量PVとの偏差
DPV;所定時間tL当たりの制御量PVの変化
k;定数
である。
DV<k・DPV
となるので、上記(2)式から判定は「NG」となり、オーバーシュートが発生しうることとなる。
DV>k・DPV
となり、上記(1)式から判定は「G」となりオーバーシュートは発生しない。
前記制御量(PV)と目標設定値(SP)が入力され、これらの変化率をもとに生成した特性曲線に沿った目標設定値軌道(SLSP)を前記制御演算部の前記目標値として出力する目標設定値軌道生成手段を備え、
この目標設定値軌道生成手段は、
偏差(PV−SP)または制御量(PV)の変化率(ΔPV)と前記特性曲線の勾配(k)から SLSP=SP+ΔPV/k を算出し、前記目標設定値軌道(SLSP)として出力する特性曲線ルール発生手段と、
前記目標設定値(SP)及び前記制御量(PV)を入力し偏差(PV−SP)または制御量(PV)の微分演算を行ないその結果を前記変化率(ΔPV)として前記特性曲線ルール発生手段に与える演算手段と、
前記制御演算部における微分時間(Td)に基づいて前記勾配(k)を算出し前記特性曲線ルール発生手段に出力する特性勾配決定手段と
を具備することを特徴とする調節計。
SLSP=SP+ΔPV/k
の形式で表わされる直線とする。ここで、
SLSP;目標設定値軌道
SP;目標設定値
ΔPV;制御量変化率
k;勾配
である。
12 PID調節器
13,13A 制御対象
14 演算手段
15 特性勾配決定手段
16 特性曲線ルール生成部
Claims (2)
- 制御対象から出力された制御量を目標値に近づけるように、所定の演算により算出された操作量を前記制御対象に出力する制御演算部を備えた調節計であって、
前記制御量(PV)と目標設定値(SP)が入力され、これらの変化率をもとに生成した特性曲線に沿った目標設定値軌道(SLSP)を前記制御演算部の前記目標値として出力する目標設定値軌道生成手段を備え、
この目標設定値軌道生成手段は、
偏差(PV−SP)または制御量(PV)の変化率(ΔPV)と前記特性曲線の勾配(k)から SLSP=SP+ΔPV/k を算出し、前記目標設定値軌道(SLSP)として出力する特性曲線ルール発生手段と、
前記目標設定値(SP)及び前記制御量(PV)を入力し偏差(PV−SP)または制御量(PV)の微分演算を行ないその結果を前記変化率(ΔPV)として前記特性曲線ルール発生手段に与える演算手段と、
前記制御演算部における微分時間(Td)に基づいて前記勾配(k)を算出し前記特性曲線ルール発生手段に出力する特性勾配決定手段と
を具備することを特徴とする調節計。 - 前記制御対象は、線形または非線形であることを特徴とする請求項1に記載の調節計。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004006236A JP4310804B2 (ja) | 2004-01-14 | 2004-01-14 | 調節計 |
CN200510000350.9A CN1641497A (zh) | 2004-01-14 | 2005-01-10 | 控制器 |
US11/035,522 US20050177253A1 (en) | 2004-01-14 | 2005-01-13 | Controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004006236A JP4310804B2 (ja) | 2004-01-14 | 2004-01-14 | 調節計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005202537A JP2005202537A (ja) | 2005-07-28 |
JP4310804B2 true JP4310804B2 (ja) | 2009-08-12 |
Family
ID=34820261
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004006236A Expired - Lifetime JP4310804B2 (ja) | 2004-01-14 | 2004-01-14 | 調節計 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20050177253A1 (ja) |
JP (1) | JP4310804B2 (ja) |
CN (1) | CN1641497A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10120349B2 (en) | 2015-03-17 | 2018-11-06 | Azbil Corporation | Control device and control method |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1945468B (zh) * | 2006-09-30 | 2010-12-08 | 中国科学院电工研究所 | 扫描式pi参数自寻优控制器 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5415346A (en) * | 1994-01-28 | 1995-05-16 | American Standard Inc. | Apparatus and method for reducing overshoot in response to the setpoint change of an air conditioning system |
US5847952A (en) * | 1996-06-28 | 1998-12-08 | Honeywell Inc. | Nonlinear-approximator-based automatic tuner |
US6114670A (en) * | 1999-07-01 | 2000-09-05 | Voyan Technology | Nonlinear feedforward control for ramp following and overshoot minimization |
US20020147510A1 (en) * | 2001-01-29 | 2002-10-10 | Francis Robert Henry | Process for rapidly controlling a process variable without overshoot using a time domain polynomial feedback controller. |
-
2004
- 2004-01-14 JP JP2004006236A patent/JP4310804B2/ja not_active Expired - Lifetime
-
2005
- 2005-01-10 CN CN200510000350.9A patent/CN1641497A/zh active Pending
- 2005-01-13 US US11/035,522 patent/US20050177253A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10120349B2 (en) | 2015-03-17 | 2018-11-06 | Azbil Corporation | Control device and control method |
Also Published As
Publication number | Publication date |
---|---|
JP2005202537A (ja) | 2005-07-28 |
US20050177253A1 (en) | 2005-08-11 |
CN1641497A (zh) | 2005-07-20 |
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