JPH01163482A - Control device for operation of pump - Google Patents

Control device for operation of pump

Info

Publication number
JPH01163482A
JPH01163482A JP32214187A JP32214187A JPH01163482A JP H01163482 A JPH01163482 A JP H01163482A JP 32214187 A JP32214187 A JP 32214187A JP 32214187 A JP32214187 A JP 32214187A JP H01163482 A JPH01163482 A JP H01163482A
Authority
JP
Japan
Prior art keywords
pump
well
pump operation
alternative
alternative plan
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
Application number
JP32214187A
Other languages
Japanese (ja)
Inventor
Makoto Tsukiyama
誠 築山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP32214187A priority Critical patent/JPH01163482A/en
Publication of JPH01163482A publication Critical patent/JPH01163482A/en
Pending legal-status Critical Current

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  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE:To improve the profitability and safety of a pump operation control by receiving an estimated result from a pump well simulated calculation means to evaluate a pump operation alternative plan and determining an actually executed pump operation alternative plan. CONSTITUTION:Based on the detected result of a condition quantity monitoring device 2, the operation alternative plan of pump equipment 1 satisfying experimental constraint and physical constraint from a memory means is formed by a device 5, and the change in condition of a pump wall at the time of actually executing the operation alternative plan is estimated by a pump well simulated calculating device 6. This estimated result is evaluated by a pump operation determining device 7 under the criterion of evaluation such as profitability, safety, etc., and an operation alternative plan to be actually executed is selected and determined. Thereby, the optimum pump operating plan can be determined upon considering the condition of a pump well after the present point of time.

Description

【発明の詳細な説明】 [産業上の利用分野] この発明は、ポンプ場へ流入する流体を排出する役割を
もつポンプ設備を運転制御するためのポンプ運転制御装
置に関するものである。
DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a pump operation control device for controlling the operation of pump equipment that has the role of discharging fluid flowing into a pump station.

[従来の技術] 第3図は例えば第3回ファジィシステムシンブジウム第
121〜126頁に示された従来のポンプ運転制御装置
を示すブロック図であり、図において、1は複数種類、
複数台のポンプが設置されたポンプ設備、2はポンプ井
への流体の流入量とポンプ吐出量とポンプ井の貯留量と
ポンプ井水位とポンプ場以外の外部環境の状態とを求め
る状態監視装置、10はポンプ運転装置で、状態監視装
置2により検出された現在のポンプ井の状態に基づいて
、ポンプ設備1における各ポンプの運転を経験的知識に
よって決定するものである。
[Prior Art] FIG. 3 is a block diagram showing a conventional pump operation control device shown, for example, in the 3rd Fuzzy System Symbuzzi, pages 121 to 126. In the figure, 1 indicates a plurality of types,
Pumping equipment in which multiple pumps are installed, 2 is a condition monitoring device that determines the amount of fluid flowing into the pump well, the pump discharge amount, the storage amount in the pump well, the water level in the pump well, and the state of the external environment other than the pump station. , 10 is a pump operating device that determines the operation of each pump in the pump equipment 1 based on the current state of the pump well detected by the condition monitoring device 2 based on empirical knowledge.

次に動作について説明する。説明を明確にするために下
水道におけるポンプ設備を例にする。大雨時には雨水が
下水道を通してポンプ場へ流入する。適切なポンプ運転
が行なわれないと浸水することになる。状態監視装置2
により検出されるポンプ井への雨水の流入量、ポンプ井
の貯留量とポンプ井水位、外部環境の情報(雨量)など
をポンプ運転装置10に入力すると、このポンプ運転装
置10に予め格納されたポンプ運転専門家の運転規則に
従って、ポンプ設備1において運転すべきポンプが決定
される。
Next, the operation will be explained. To make the explanation clear, let's use pump equipment in a sewer system as an example. During heavy rains, rainwater flows into the pumping station through the sewer system. If the pump is not operated properly, flooding will occur. Condition monitoring device 2
When inputting into the pump operating device 10 the amount of rainwater flowing into the pump well, the amount of storage in the pump well, the water level of the pump well, information on the external environment (rainfall amount), etc., detected by Pumps to be operated in the pump equipment 1 are determined according to the operating rules of the pump operating expert.

運転規則は、現時点のポンプ井水位と雨量とに応じてポ
ンプを稼働させたり停止させたりするものであり、例え
ば、ファジィルール、プロダクションルールあるいはデ
シジョンテーブルとして記述される。つまり、ポンプ運
転装置10は。
The operating rules are for operating or stopping the pump depending on the current water level of the pump well and the amount of rainfall, and are written as, for example, fuzzy rules, production rules, or decision tables. In other words, the pump operating device 10 is.

IF(条件):水位、水位変化、雨量強度の条件THE
N (運転規則):ポンプ運転台数のような関係を記述
した専門家の経験則を複数個もっており、現在の状態に
一致する条件部(IF)をもつ規則を適用し、ポンプ運
転台数を決定する。
IF (condition): Condition of water level, water level change, rainfall intensity THE
N (Operating rules): We have multiple expert empirical rules that describe relationships such as the number of pumps in operation, and determine the number of pumps in operation by applying rules with conditional parts (IF) that match the current state. do.

ファジィルールの場合には、条件部が一致する規則は複
数でてくるが、それらの規則のTHEN部に書かれた台
数に対して予め決められた計算を行ないポンプ台数を決
定する。このようにして、ポンプ運転の専門家が現時点
の状態を見てポンプ運転を決定するのと同じやり方で、
ポンプ運転装置10により自動的にポンプ運転が行なわ
れる。
In the case of fuzzy rules, there are multiple rules whose condition parts match, and the number of pumps is determined by performing a predetermined calculation on the number of pumps written in the THEN part of these rules. In this way, in the same way that pump operation experts make pump operation decisions by looking at current conditions,
The pump operation device 10 automatically operates the pump.

[発明が解決しようとする問題点] 従来のポンプ運転制御装置は以上のように構成されてい
るので、ポンプは現時点のポンプ井の水位、水位変化、
雨量強度に従って運転されることになる。そのため、ポ
ンプ井への未来の流入量が不明で、すぐにポンプ井が危
険水位に達することもあり、結果的にポンプを頻繁にオ
ン/オフすることになる。また、新設のポンプ場では専
門家の経験的知識がないため、適切なポンプ運転ができ
ないことにもなるなどの問題点があった。
[Problems to be solved by the invention] Since the conventional pump operation control device is configured as described above, the pump can control the current water level of the pump well, water level changes,
It will be operated according to the rainfall intensity. As a result, the future flow rate into the pump well is unknown, and the pump well may soon reach a dangerous water level, resulting in frequent turning on and off of the pump. In addition, there were other problems such as the lack of expert knowledge at newly constructed pumping stations, which meant that the pumps could not be operated properly.

この発明は上記のような問題点を解消するためになされ
たもので、新設のポンプ場におけるポンプ運転や未来の
状態変化をみこしたポンプ運転といった専門家の経験的
知識だけでは十分に対処できない場合にも、経験的知識
の不完全を数理的手法で補えるようにして、ポンプ運転
制御の経済性および安全性の向上をはかった、ポンプ運
転制御装置を得ることを目的とする。
This invention was made to solve the above-mentioned problems, such as pump operation at a newly built pump station or pump operation that takes into account future changes in conditions, where the experiential knowledge of experts alone cannot be adequately addressed. Another object of the present invention is to provide a pump operation control device that improves the economy and safety of pump operation control by making it possible to compensate for imperfections in empirical knowledge using mathematical methods.

[問題点を解決するための手段] この発明に係るポンプ運転制御装置は、複数のポンプか
らなるポンプ設備の運転に係る状態量〔ポンプ井への流
体の流入量、ポンプ吐出量、ポンプ井の貯留量、ポンプ
井水位、ポンプ場以外の外部環境の状態(雨量等)など
〕を検出する状態量検出手段をそなえ、上記ポンプ設備
のポンプ井への流体の流入量を所定時間後まで予測する
流入量予測手段と、上記ポンプ設備の運転に関する経験
的制約および物理的制約を記憶する記憶手段と、状態量
検出手段からの検出結果に基づいて上記記憶手段に記憶
された制約を満たす上記ポンプ設備の運転代替案を作成
するポンプ運転代替案作成手段と、上記流入量予測手段
からの予測結果、上記状態量検出手段からの検出結果お
よび」ユ記ポンプ運転代替案作成手段により作成された
運転代替案に基づいて上記ポンプ井の状態変化を予測す
るポンプ丼模擬演算手段と、同ポンプ丼模擬演算手段か
らの予測結果を受けて上記ポンプ運転代替案作成手段に
より作成された運転代替案を評価し実際に実施すべき運
転代替案を決定するポンプ運転決定手段とをそなえたも
のである。
[Means for Solving the Problems] The pump operation control device according to the present invention has state variables related to the operation of pump equipment consisting of a plurality of pumps [the amount of fluid flowing into the pump well, the amount of pump discharge, the amount of pumping well It is equipped with a state quantity detection means for detecting the amount of water stored, the water level in the pump well, the state of the external environment other than the pumping station (rainfall, etc.), and predicts the amount of fluid flowing into the pump well of the pump equipment up to a predetermined time later. an inflow amount predicting means, a storage means for storing empirical constraints and physical constraints regarding the operation of the pump equipment, and the pump equipment that satisfies the constraints stored in the storage means based on the detection results from the state quantity detection means. a pump operation alternative creation means for creating an operation alternative, a prediction result from the inflow amount prediction means, a detection result from the state quantity detection means, and an operation alternative created by the pump operation alternative creation means; a pump bowl simulation calculation means for predicting a state change of the pump well based on the pump bowl simulation calculation means; and an operation alternative plan created by the pump operation alternative plan creation means in response to the prediction result from the pump bowl simulation calculation means. The system is equipped with a pump operation determining means for determining an operational alternative that should actually be implemented.

[作   用] この発明におけるポンプ運転制御装置では、ポンプ運転
代替案作成手段において、状態量検出手段からの検出結
果に基づき記憶手段からの経験的制約および物理的制約
を満たすポンプ設備の運転代替案が作成され、その運転
代替案を実際に実施された場合のポンプ井の状態変化が
、ポンプ丼模擬演算手段により予測される。そして、そ
の予測結果が、ポンプ運転決定手段により、経済性、安
全性などの評価基準のもと評価されて、実際に実施すべ
き運転代替案が選択・決定される。これにより、現時点
以後のポンプ井の状態を考慮したうえで、最適なポンプ
運転案が決定される。
[Function] In the pump operation control device of the present invention, the pump operation alternative creation means generates an operation alternative for the pump equipment that satisfies the empirical constraints and physical constraints from the storage means based on the detection result from the state quantity detection means. is created, and the pump bowl simulation calculation means predicts changes in the condition of the pump well when the operation alternative is actually implemented. Then, the predicted results are evaluated by the pump operation determining means based on evaluation criteria such as economic efficiency and safety, and an operation alternative to be actually implemented is selected and determined. As a result, the optimal pump operation plan is determined after considering the state of the pump well after the current point in time.

[発明の実施例] 以下、この発明の一実施例を図について説明する。第1
図はこの発明の一実施例によるポンプ運転制御装置を示
すブロック図であり、図において、1は複数種類、複数
台のポンプが設置されたポンプ設備、2はポンプ井への
流体の流入量、ポンプ吐出量、ポンプ井の貯留量、ポン
プ井水位、ポンプ場以外の外部環境の状態(雨量等)な
どを求める状態量検出手段としての状態監視装置、3は
ポンプ井への流入量を所定時間(T)まで予測する流入
量予測手段としての流入予測装置、4はポンプ設備1の
運転の制約に関する経験的・物理的知識を記憶・格納す
る記憶手段としてのポンプ運転制約知識格納装置、5は
ポンプ運転代替案作成手段としてのポンプ運転代替案作
成装置で、後述するデータ格納装置9に格納された状態
監視装置2による状態量検出結果に基づき、ポンプ運転
制約知識格納装置4に記憶された制約を満たすポンプ設
備1の運転代替案を幾つか作成するものである。
[Embodiment of the Invention] Hereinafter, an embodiment of the present invention will be described with reference to the drawings. 1st
The figure is a block diagram showing a pump operation control device according to an embodiment of the present invention. In the figure, 1 is a pump equipment in which a plurality of types and a plurality of pumps are installed, 2 is an amount of fluid flowing into the pump well, 3 is a condition monitoring device as a state quantity detection means for determining the pump discharge amount, the storage amount of the pump well, the water level of the pump well, the condition of the external environment other than the pump station (rainfall, etc.); 4 is an inflow prediction device as an inflow prediction means for predicting up to (T); 4 is a pump operation constraint knowledge storage device as a storage means for storing experiential and physical knowledge regarding the operation constraints of the pump equipment 1; 5 is a pump operation constraint knowledge storage device; The pump operation alternative plan creation device as a pump operation alternative plan creation means uses constraints stored in the pump operation constraint knowledge storage device 4 based on state quantity detection results by the state monitoring device 2 stored in the data storage device 9, which will be described later. Several alternative operation plans for the pump equipment 1 that satisfy the requirements are created.

また、6は状態監視装置2からの検出結果、流入予測装
置3からの予測結果およびポンプ運転代替案作成装置5
により作成された運転代替案に基づいてポンプ設備1に
おけるポンプ井の状態変化を予測するポンプ井模擬演算
手段としてのポンプ井模擬装置、7はポンプ井模擬装置
6からの予測結果を受けてポンプ運転代替案作成装置5
により作成された運転代替案を評価し実際に実施すべき
運転代替案を決定するポンプ運転決定手段としてのポン
プ運転決定装置、8はポンプ運転決定装置7により決定
された運転案に従ってポンプ設備1における各ポンプを
起動・停止するポンプ操作装置、9はポンプ運転状態、
ポンプ井への流体の流入量、ポンプ吐出量、ポンプ井の
貯留量(状態監視装置2による過去から現在に至る検出
結果)などの実績値を格納するデータ格納装置である。
Further, 6 indicates the detection results from the condition monitoring device 2, the prediction results from the inflow prediction device 3, and the pump operation alternative plan creation device 5.
A pump well simulator 7 is a pump well simulator as a pump well simulation calculation means that predicts the state change of the pump well in the pump equipment 1 based on the operation alternative created by the pump well simulator 6. Alternative plan creation device 5
8 is a pump operation determining device as a pump operation determining means that evaluates the operation alternatives created by and determines the operation alternatives to be actually implemented; A pump operating device that starts and stops each pump, 9 is a pump operating state,
This is a data storage device that stores actual values such as the amount of fluid flowing into the pump well, the amount of pump discharge, and the amount of storage in the pump well (detection results from the past to the present by the condition monitoring device 2).

次に、この実施例装置の動作を、下水道のポンプ運転を
例として、第2図に示すポンプ運転制御のフローチャー
トに従って説明する。なお、説明の明確化のために、下
水道に適用した場合を説明するのであり1本発明の装置
の適用対象はこれ限定されるものではない。
Next, the operation of the apparatus of this embodiment will be explained using the operation of a sewer pump as an example, according to the flowchart of pump operation control shown in FIG. Note that, for clarity of explanation, the case where the apparatus is applied to a sewer system will be described, and the object to which the apparatus of the present invention is applied is not limited to this.

まず、状態監視装置2は、計測あるいは計測結果からの
演算により求めたポンプ井への流体の流入量、運転中ポ
ンプ、ポンプ吐出量、ポンプ井の貯留量、ポンプ井水位
、雨量強度などの検出結果をデータ格納装置9およびポ
ンプ井模擬装置6へ送る(ステップSl)。
First, the condition monitoring device 2 detects the amount of fluid flowing into the pump well, the pump in operation, the pump discharge amount, the storage amount of the pump well, the water level of the pump well, the intensity of rainfall, etc., which are determined by measurement or calculation from the measurement results. The results are sent to the data storage device 9 and the pump well simulator 6 (step Sl).

また、流入予測装置3は、ポンプ井へのT時間先までの
流体の流入量を予測し、その結果をポンプ井模擬装置6
へ送る(ステップS2)。このとき、流入量予測手段と
しては、計測自動制御学会論文誌20巻11号46〜5
2頁に記載されているような計測雨量と下水道上流側で
の計測水位・流量から下水道構造に基づく予測モデルを
使って予測するものなどが利用できる。
In addition, the inflow prediction device 3 predicts the amount of fluid flowing into the pump well up to T time in advance, and transmits the result to the pump well simulator 6.
(Step S2). At this time, as an inflow amount prediction means, the Journal of the Society of Instrument and Control Engineers Vol. 20, No. 11, 46-5
You can use the prediction model described on page 2, which uses a prediction model based on the sewer structure based on the measured rainfall and the measured water level and flow rate on the upstream side of the sewer.

そして、ポンプ運転代替案作成装置5は、ポンプ運転制
約知識格納装置6に記憶されているポンプ運転の制約に
関する経験的・物理的知識とデータ格納装置9に格納さ
れているポンプ運転実績の情報(状態監視装置2による
過去から現在に至る検出結果)とを参照して、ポンプ運
転制約を満たし且つ経験的に妥当と考えられるT時間先
までのポンプ運転代替案を、ポンプ運転代替案作成装置
5自体が保持している経験的な規則を利用して作成する
(ステップS3)。ここで、ポンプ運転制約知識格納装
置6に記憶されているポンプ運転の制約に関する経験的
・物理的知識としては、次のようなものが記述されてい
る。
The pump operation alternative plan creation device 5 then combines the experiential and physical knowledge regarding pump operation constraints stored in the pump operation constraint knowledge storage device 6 and the pump operation performance information stored in the data storage device 9 ( Detection results from the past to the present by the condition monitoring device 2), the pump operation alternative generation device 5 generates a pump operation alternative plan up to T time in the future that satisfies the pump operation constraints and is considered empirically appropriate. It is created using the empirical rules held by itself (step S3). Here, the following is described as experiential and physical knowledge regarding pump operation constraints stored in the pump operation constraint knowledge storage device 6.

・ポンプaとポンプbとは同時に運転してはいけない。- Pump a and pump b must not be operated at the same time.

・ポンプCは水位がB (m)以上でなければ運転して
はいけない。
・Pump C must not be operated unless the water level is above B (m).

・汚水ポンプを3台運転する場合にはポンプi。・Pump i when operating three sewage pumps.

ポンプj、ポンプkを用いる。Pump j and pump k are used.

・ポンプを稼働するときには累積運転時間の少ないもの
から用いる。
・When operating the pump, use the one with the least cumulative operating time first.

・水位がC(m)以上のときは必ずポンプdを運転する
- Be sure to operate pump d when the water level is above C (m).

等々、物理的制約のみならず、ポンプ運転の専門家が保
有しているポンプ運転の経験的制約に関する知識はすべ
てここに記述されている。
In addition to physical constraints, all knowledge regarding empirical constraints of pump operation held by pump operation experts is described here.

さて、ステップS3において、ポンプ運転最小化という
目的のために、ポンプ運転代替案作成装置5は、現在の
ポンプ運転を変更しないという案を含めて、オン/オフ
切換回数が、ある定められた値以下であるようなポンプ
運転代替案を上記の制約を満足する範囲内で作成する。
Now, in step S3, for the purpose of minimizing pump operation, the pump operation alternative plan creation device 5 sets the number of on/off switching to a certain predetermined value, including a plan that does not change the current pump operation. Create the following pump operation alternatives within the range that satisfies the above constraints.

このようにして、ポンプ運転代替案が、例えば、「現在
のまま変更なし」、「2期先にポンプaをオンにする」
In this way, the pump operation alternatives can be changed to, for example, ``No change as of now'' or ``Turn on pump a two periods in the future.''
.

「1期先にポンプdをオンにし2期先にポンプCをオン
にするjなどのように得られる。現在のポンプ運転に対
して以上のようにして求めたT時間先までのポンプ運転
代替案によるポンプ増減を行なえば、T時間先までのポ
ンプ運転室が得られる。
"Pump d is turned on one period ahead, pump C is turned on two periods ahead, j, etc.".The pump operation alternative for the current pump operation up to T time obtained as above is obtained. If the pumps are increased or decreased according to the plan, the pump operating room can be obtained up to T time ahead.

ポンプ井模擬装置6は予め与えられているポンプ井モデ
ルに基づき各々のポンプ運転代替案による運転を現時点
のポンプ井の状態からT時間先の状態まで模擬する(ス
テップS4)。模擬に必要なデータは、ステップS1か
らステップS3までの処理で揃っている。ポンプ井の状
態模擬は1次の計算による。
The pump well simulator 6 simulates the operation of each pump operation alternative from the current state of the pump well to the state after T time based on the pump well model given in advance (step S4). The data necessary for simulation is obtained through the processing from step S1 to step S3. The state simulation of the pump well is based on first-order calculation.

s (k)= s (k−1)+ qi(k)−qo(
k)。
s(k)=s(k-1)+qi(k)-qo(
k).

R(k)=g(s(k))  : k=1.−、Tここ
で、 5(k):に時間先のポンプ井の貯水量5(0):現在
のポンプ井の実績貯水量qt(k):に時間先のポンプ
井への予測流入量qo(k) :に時間先のポンプ吐出
量(ポンプ運転代替が決まればこの値も決まる (2(k):に時間先のポンプ井水位 g  :貯水量を水位に変換する関数 である。
R(k)=g(s(k)): k=1. -, T where, 5(k): Water storage volume in the pump well in time ahead 5(0): Actual water storage volume in the current pump well qt(k): Predicted inflow volume qo in the pump well in time ahead (k): Pump discharge amount in the time ahead (this value is also determined if the alternative pump operation is determined) (2(k): pump well water level in the time ahead g: A function that converts the amount of water stored into the water level.

そして、ポンプ運転決定装置7は、各々のポンプ運転代
替案をポンプ井の模擬状態量、ポンプのオン/オフ切換
回数などによって評価し適切なポンプ運転室を決定する
。評価に必要なデータは、ポンプ井模擬装置6による模
擬結果と、データ格納装置9に格納されているポンプ井
の実績状態量と、実績ポンプ運転のデータとから得る(
ステップS5)。評価において、まず、ポンプ井の上下
限水位(貯水量)を超えるようなポンプ運転代替案は除
外される。残されたポンプ運転代替案を運転の安全性と
経済性との両点から評価する。例えば、次のようにして
評価する。
Then, the pump operation determining device 7 evaluates each pump operation alternative based on the simulated state quantity of the pump well, the number of on/off switching of the pump, etc., and determines an appropriate pump operation room. The data necessary for the evaluation is obtained from the simulation results by the pump well simulator 6, the actual state quantities of the pump well stored in the data storage device 9, and the data of the actual pump operation (
Step S5). In the evaluation, first, pump operation alternatives that exceed the upper and lower water levels (storage volume) of the pump well are excluded. The remaining pump operation alternatives will be evaluated in terms of both operational safety and economic efficiency. For example, evaluate as follows.

安全性の指標x=max(Is(k)  ul、l5(
k)−dl)ただし、U:上限貯水量 d:下限貯水量 経済性の指標y=水ポンプ切換回数 として、評価表を作成しておき、評価点が最大となるポ
ンプ運転代替案を実際に実施するポンプ運転室として決
定する。
Safety index x=max(Is(k) ul, l5(
k) - dl) However, U: upper limit water storage amount d: lower limit water storage amount economical index y = number of water pump changes Determine the pump operator's room for implementation.

ポンプ操作装置8は、決定されたポンプ運転になるよう
にポンプ設備1における各ポンプの稼働・停止を行なう
。ただし、安全機構が付設されており、ポンプ井の水位
が許容上下限値に到達すれば、強制的にポンプ運転は上
下限値を超えないように変更される(ステップS6)。
The pump operating device 8 operates and stops each pump in the pump equipment 1 so that the determined pump operation is achieved. However, a safety mechanism is provided, and if the water level of the pump well reaches the allowable upper and lower limits, the pump operation is forcibly changed so as not to exceed the upper and lower limits (step S6).

この後、ポンプ運転を終了すべきか否かを判断して、ポ
ンプ運転制御を続行あるいは終了する(ステップS7)
After that, it is determined whether or not the pump operation should be ended, and the pump operation control is continued or ended (step S7).
.

このように、本実施例の装置によれば、ポンプ運転代替
案作成装置5において、ポンプ運転に係る状態量や制約
に基づきポンプ設備の運転代替案が作成され、その運転
代替案を実際に実施された場合のポンプ井の状態変化が
、ポンプ井模擬装置6により予測され、ポンプ運転決定
袋[7によりその予測結果が経済性、安全性などの評価
基準のもと評価されて、実際に実施すべき運転代替案が
選択・決定されるので、現時点以後のポンプ井の状態を
考慮した最適なポンプ運転室が決定され、新設のポンプ
場におけるポンプ運転や未来の状態変化をみこしたポン
プ運転といった専門家の経験的知識だけでは十分に対処
できない場合にも、経験的知識の不完全を数理的手法で
補えるようになり、ポンプ運転制御の経済性および安全
性が大幅に向上するのである。
As described above, according to the device of this embodiment, the pump operation alternative plan creation device 5 creates an operation alternative plan for the pump equipment based on state variables and constraints related to pump operation, and actually implements the operation alternative plan. The pump well simulator 6 predicts the state change of the pump well in the event of a change in pump operation. Since the operation alternatives to be used are selected and determined, the optimal pump operation room is determined taking into consideration the condition of the pump well after the current point in time, and the pump operation room is determined to be optimal, such as pump operation at a newly constructed pump station or pump operation that takes into account future changes in conditions. Even in cases where the empirical knowledge of experts is insufficient, the incompleteness of empirical knowledge can now be compensated for by mathematical methods, greatly improving the economic efficiency and safety of pump operation control.

なお、上記実施例では、ポンプ運転決定装置7において
評価表を使用するものについて説明したが、数理的評価
関数を定義し、それによって、ポンプ運転案を決定する
ようにしてもよい。
In the above embodiment, an evaluation table is used in the pump operation determining device 7, but a mathematical evaluation function may be defined and a pump operation plan may be determined based on the mathematical evaluation function.

また、上記実施例では図示していないが、実際には、オ
ペレータとのインターフェイスを行なうために、マン−
マシンインターフェイス装置を付設する。
In addition, although not shown in the above embodiment, in reality, a manual is used to interface with the operator.
Attach machine interface equipment.

[発明の効果] 以上のように、この発明によれば、流入量予測に基づい
て現在以後のポンプ井の状態変化を模擬したうえで最適
なポンプ運転を決定するように構成したので、ポンプの
オン/オフを頻繁に行なうことを避けることができると
ともに、新設のポンプ場におけるポンプ運転や未来の状
態変換をみこしたポンプ運転が、経験的知識の不完全を
数理的手法で補いながら実行することができ、結果とし
てポンプ運転制御の経済性や安全性を大幅に向上できる
効果がある。
[Effects of the Invention] As described above, according to the present invention, the optimum pump operation is determined after simulating the state change of the pump well after the present time based on the inflow amount prediction, so that the pump operation is improved. Frequent on/off operations can be avoided, and pump operations at newly constructed pump stations and pump operations that take into account future state changes can be performed while compensating for imperfections in empirical knowledge using mathematical methods. As a result, the economic efficiency and safety of pump operation control can be significantly improved.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図はこの発明の一実施例によるポンプ運転制御装置
を示すブロック図、第2図は本実施例の装置の動作を説
明するためのフローチャート、第3図は従来のポンプ運
転制御装置を示すブロック図である。 図において、1−ポンプ設備、2−状態量検出手段とし
ての状態監視装置、3−流入量予測手段としての流入予
測手段、4−記憶手段としてのポンプ運転制約知識格納
装置、5−ポンプ運転代替案作成手段としてのポンプ運
転代替案作成装置、6・−ポンプ井模擬演算手段として
のポンプ井模擬装置、7・−ポンプ運転決定手段として
のポンプ運転決定装置。 なお、図中、同一の符号は同一、又は相当部分を示して
いる。
Fig. 1 is a block diagram showing a pump operation control device according to an embodiment of the present invention, Fig. 2 is a flowchart for explaining the operation of the device of this embodiment, and Fig. 3 shows a conventional pump operation control device. It is a block diagram. In the figure, 1-pump equipment, 2-condition monitoring device as state quantity detection means, 3-inflow prediction means as inflow amount prediction means, 4-pump operation constraint knowledge storage device as storage means, 5-pump operation alternative A pump operation alternative plan creation device as a plan creation means, 6.- a pump well simulation device as a pump well simulation calculation means, and 7. a pump operation determination device as a pump operation determination means. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

【特許請求の範囲】[Claims] 複数のポンプからなるポンプ設備の運転に係る状態量を
検出する状態量検出手段をそなえ、同状態量検出手段に
よる検出結果に基づいて上記ポンプ設備の運転状態を制
御するポンプ運転制御装置において、上記ポンプ設備の
ポンプ井への流体の流入量を所定時間後まで予測する流
入量予測手段と、上記ポンプ設備の運転に関する経験的
制約および物理的制約を記憶する記憶手段と、上記状態
量検出手段からの検出結果に基づいて上記記憶手段に記
憶された制約を満たす上記ポンプ設備の運転代替案を作
成するポンプ運転代替案作成手段と、上記流入量予測手
段からの予測結果、上記状態量検出手段からの検出結果
および上記ポンプ運転代替案作成手段により作成された
運転代替案に基づいて上記ポンプ井の状態変化を予測す
るポンプ井模擬演算手段と、同ポンプ井模擬演算手段か
らの予測結果を受けて上記ポンプ運転代替案作成手段に
より作成された運転代替案を評価し実際に実施すべき運
転代替案を決定するポンプ運転決定手段とがそなえられ
たことを特徴とするポンプ運転制御装置。
A pump operation control device comprising a state quantity detection means for detecting a state quantity related to the operation of a pump equipment consisting of a plurality of pumps, and controlling the operating state of the pump equipment based on the detection result by the state quantity detection means, an inflow amount prediction means for predicting the amount of fluid flowing into a pump well of the pump equipment until a predetermined period of time; a storage means for storing empirical constraints and physical constraints regarding the operation of the pump equipment; and a state quantity detection means. pump operation alternative plan creation means for creating an operation alternative plan for the pump equipment that satisfies the constraints stored in the storage means based on the detection results of the above, and a prediction result from the inflow amount prediction means and the state quantity detection means. a pump well simulation calculation means for predicting a change in the condition of the pump well based on the detection result and the operation alternative created by the pump operation alternative creation means; A pump operation control device comprising pump operation determining means for evaluating the operation alternatives created by the pump operation alternative creating means and determining an operation alternative to be actually implemented.
JP32214187A 1987-12-17 1987-12-17 Control device for operation of pump Pending JPH01163482A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP32214187A JPH01163482A (en) 1987-12-17 1987-12-17 Control device for operation of pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP32214187A JPH01163482A (en) 1987-12-17 1987-12-17 Control device for operation of pump

Publications (1)

Publication Number Publication Date
JPH01163482A true JPH01163482A (en) 1989-06-27

Family

ID=18140385

Family Applications (1)

Application Number Title Priority Date Filing Date
JP32214187A Pending JPH01163482A (en) 1987-12-17 1987-12-17 Control device for operation of pump

Country Status (1)

Country Link
JP (1) JPH01163482A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03115786A (en) * 1989-09-28 1991-05-16 Toshiba Corp Pump control device for sanitary sewage pump equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03115786A (en) * 1989-09-28 1991-05-16 Toshiba Corp Pump control device for sanitary sewage pump equipment

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