WO2011093194A1 - 消費電力制御システム - Google Patents
消費電力制御システム Download PDFInfo
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- WO2011093194A1 WO2011093194A1 PCT/JP2011/050914 JP2011050914W WO2011093194A1 WO 2011093194 A1 WO2011093194 A1 WO 2011093194A1 JP 2011050914 W JP2011050914 W JP 2011050914W WO 2011093194 A1 WO2011093194 A1 WO 2011093194A1
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- power consumption
- control system
- machine tool
- deceleration
- acceleration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
-
- 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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/416—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control of velocity, acceleration or deceleration
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32021—Energy management, balance and limit power to tools
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/34—Director, elements to supervisory
- G05B2219/34314—Slow down, limit speed for energy saving
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2310/00—The network for supplying or distributing electric power characterised by its spatial reach or by the load
- H02J2310/50—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads
- H02J2310/56—The network for supplying or distributing electric power characterised by its spatial reach or by the load for selectively controlling the operation of the loads characterised by the condition upon which the selective controlling is based
- H02J2310/58—The condition being electrical
- H02J2310/60—Limiting power consumption in the network or in one section of the network, e.g. load shedding or peak shaving
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Definitions
- the present invention relates to a power consumption control system for a facility in which a plurality of industrial machines that rotate a motor are installed, and in particular, a facility in which a machine tool for machining a workpiece by moving a tool and a workpiece relatively is installed. When applied to, it is extremely effective.
- the machine tool tends to consume much power when the tool and the workpiece are moved relative to each other, that is, when the positioning feed is moved, compared to other times. For this reason, in facilities such as factories where a plurality of machine tools are installed, if the timings of positioning and feeding movements of these machine tools overlap, the power consumption at the facilities will have a large peak, and the power supply equipment of the facility Will be overloaded.
- Patent Document 1 a processing machine having a mode change switch that can be switched between the normal mode and the energy saving mode is proposed, and the operator switches the mode change switch to the energy saving mode as necessary. The necessary current is reduced to cope with it.
- Such a problem is not limited to the above-mentioned machine tool that processes a workpiece by relatively moving the tool and the workpiece, and positioning feed movement such as a press machine, an extrusion machine, and an industrial robot is performed.
- Any industrial machine that rotates a motor, such as a pump or blower, as well as an industrial machine to perform, can occur in the same manner as described above.
- the present invention can easily suppress the load on the power supply equipment of the facility even if the power consumption at the facility has a large peak while the worker is working.
- An object is to provide a power consumption control system.
- a power consumption control system for solving the above-mentioned problem is a power consumption control system for a facility in which a plurality of industrial machines for rotating a motor is installed, At least one of the rotation acceleration / deceleration speed Pi and rotation speed Si of the motor of the industrial machine is set so that only one of the power consumption Wt is equal to or less than a specified value We based on the information on the power consumption Wt at the facility.
- the power consumption control system is the power consumption control system according to the first aspect, wherein the control means of the industrial machine including the control means continues the power consumption Wt to the specified value We for a specified time Te1. Based on the excess information, the motor of the industrial machine is controlled to reduce at least one of the rotational acceleration / deceleration Pi and the rotational speed Si of the industrial machine until the power consumption Wt becomes equal to or less than the specified value We. It is a thing to do.
- the power consumption control system is the power consumption control system according to the first or second aspect, wherein the control means of the industrial machine including the control means is configured such that the power consumption Wt is within a specified time for the specified value We.
- the control means of the industrial machine including the control means is configured such that the power consumption Wt is within a specified time for the specified value We.
- a power consumption control system is the power consumption control system according to any one of the first to third aspects, wherein the industrial machine including the control means relatively moves the tool and the workpiece.
- the rotational acceleration / deceleration Pi is the acceleration / deceleration speed Pi of the positioning feed motion
- the rotational speed Si is the feed speed Si of the positioning feed motion.
- the power consumption control system is the power consumption control system according to the fourth aspect, wherein the control means of the machine tool including the control means further includes the power consumption Wt based on the information on the power consumption Wt. Is characterized in that the acceleration / deceleration Ri of the rotational motion of the main spindle of the machine tool is controlled so that is less than or equal to the specified value We.
- a power consumption control system is the power consumption control system according to the fifth aspect, wherein the control means of the machine tool including the control means further includes the power consumption Wt continuing the specified value We for a specified time Te1. Then, based on the excess information, the machine tool is controlled so as to decrease the acceleration / deceleration Ri of the machine tool until the power consumption Wt becomes equal to or less than the specified value We.
- a power consumption control system is the power consumption control system according to the fifth or sixth aspect, wherein the control means of the machine tool including the control means further includes the power consumption Wt at the specified value We.
- the acceleration / deceleration Ri of the machine tool is less than the steady value Rin based on the information that is not continuously satisfied for the predetermined time Te2
- the acceleration / deceleration Ri becomes the steady value Rin
- the power consumption Wt is The machine tool is controlled so as to increase the acceleration / deceleration Ri until reaching any one of the predetermined values We.
- the power consumption control system is the power consumption control system according to any one of the first to seventh aspects, wherein the control means of the industrial machine provided with the control means The industrial machine is controlled so that the average value is equal to or less than the specified value We.
- the control means rotates the rotational acceleration / deceleration speed Pi of the motor of the industrial machine so that the power consumption Wt is equal to or less than the specified value We based on the information of the power consumption Wt at the facility. Since at least one of the rotation speed Si and the rotation speed Si is controlled, even if the power consumption Wt at the facility has a large peak while the worker is working, the load on the power supply equipment of the facility can be suppressed. Easy to do.
- machine tools Mp1 and Mp2 are installed in a facility such as a factory and rotate and drive a motor such as a general-purpose machining center that processes a workpiece by moving the tool and the workpiece relative to each other.
- a motor such as a general-purpose machining center that processes a workpiece by moving the tool and the workpiece relative to each other.
- This is a general machine tool that performs rotation movement and positioning feed movement of the spindle.
- the machine tool Mi according to the present invention is a general-purpose machining center or the like that is installed in the facility and moves the tool and the workpiece relative to each other, similarly to the machine tools Mp1 and Mp2.
- the machine tools Mi, Mp1 and Mp2 are provided with power detectors 11 to 13 for measuring power consumption, respectively.
- the power detectors 11 to 13 are respectively connected to the input units of the power monitor 20 for determining the overall power consumption Wt of the facility.
- the output unit of the power monitoring meter 20 and the power detection meter 11 are connected to the input unit of the control device 10 of the machine tool Mi, and the control device 10 includes the power monitoring meter 20 and the power detection meter.
- the acceleration / deceleration of the positioning feed motion of the machine tool Mi (rotational acceleration / deceleration of the servo motor for positioning feed motion) so that the power consumption Wt at the facility is not more than the specified value We.
- the power detectors 11 to 13, the power monitor 20 and the like constitute power monitoring means.
- the power monitoring meter 20 includes the power measuring meters 11 to 11. 13 based on the information from 13, the total power consumption Wi (for example, 20 kW), W1 (for example, 10 Kw), W2 (for example, 10 kW) of these machine tools Mi, Mp1, and Mp2, that is, the power consumption in the facility Wt (for example, 40 kW) is obtained, and whether or not the power consumption Wt is equal to or less than a specified value We (for example, 50 kW) is monitored.
- Wi for example, 20 kW
- W1 for example, 10 Kw
- W2 for example, 10 kW
- the control device 10 determines that the power consumption Wt at the facility is the specified value We based on the information from the power monitor 20 and the power detector 11 (in FIG. 2, S1 ), The acceleration / deceleration speed Pi and the feed speed Si of the positioning feed movement and the acceleration / deceleration speed Ri of the rotational movement of the main spindle are respectively maintained, that is, processed with the steady values Pin, Sin and Rin, respectively.
- the servo motor and the motor for rotating the spindle are controlled (S2 in FIG. 2).
- the machine tool Mi when the machining load of the machine tool Mp1 increases and the power consumption W1 of the machine tool Mp1 increases (for example, 20 kW), the power consumption Wt in the facility increases (for example, 50 kW). (T1 in FIG. 3), if it is equal to or less than the predetermined value We, the machine tool Mi will continue to operate in a steady state based on information from the power monitor 20 and the power detector 11.
- the motor is controlled to process at the speeds Pin, Sin, Rin (S2 in FIG. 2).
- the machine tool Mi is controlled by the control device 10 based on information from the power monitor 20 and the power detector 11. Then, it is confirmed whether or not the specified time Te1 (for example, 1 minute) is continuously exceeded (S4 in FIG. 2).
- the motor is controlled so as to process with Pin, Sin, and Rin (S2 in FIG. 2).
- the machine tool Mi causes the control device 10 to use the power consumption at the facility based on the information from the power monitor 20 and the power detector 11.
- the motor By controlling the motor so as to decrease the speeds Pi, Si, Ri until Wt becomes equal to or less than the specified value We (T3 in FIG. 3), the machining is continued in that state (S5 in FIG. 2). , S6).
- the feed speed is proportional to the required power Pc, as can be seen from the following equation, and therefore the required power Pc can be reduced by reducing it, in other words, the power consumption Wi can be reduced. It is.
- Pc ap ⁇ ae ⁇ Vf ⁇ Kc / 60 * 106 * ⁇
- ap is the cutting depth (mm)
- ae is the cutting width (mm)
- Vf is the feed rate (mm / min)
- Kc is the specific cutting resistance (MPa)
- ⁇ is the mechanical efficiency
- Pc is the required power (kW). is there.
- the machine tools Mp1 for example, 20 kW
- Mp2 for example, 20 kW
- Mi for example, 10 kW
- the power consumption Wt for example, 50 kW
- We for example, 50 kW
- the machine tool Mi is controlled by the control device 10 based on information from the power monitor 20 and the power detector 11. It is confirmed whether or not the predetermined time Te2 (for example, 1 minute) is not satisfied continuously (S7 in FIG. 2), and when it has continued for less than the predetermined time Te2, the speed Pi, Si, The motor is controlled to process with Ri (S2 in FIG. 2).
- the machine tool Mi confirms whether the control device 10 is further less than the steady speeds Pin, Sin, Rin (in FIG. 2, S8) When the steady speeds Pin, Sin, and Rin are set, the motor is controlled so as to continue machining at the steady speeds Pin, Sin, and Rin (S2 in FIG. 2).
- the machine tool Mi is controlled by the control device 10 based on information from the power monitor 20 and the power detector 11. Until the speed Pi, Si, Ri reaches the steady value Pin, Sin, Rin and the power consumption Wt at the facility reaches the specified value We, whichever comes first (in this case) The motor is controlled to increase the speeds Pi, Si, Ri until the power consumption Wt reaches the specified value We (S9 to S11 in FIG. 2 / T5 in FIG. 3).
- the machine tool Mi (for example, 15 kW) can increase the machining capability for the workpiece while setting the power consumption Wt (for example, 50 kW) at the facility to the specified value We (for example, 50 kW).
- the power consumption Wt at the facility is decreased (for example, 45 kW) and specified. If the value We is equal to or less than the value We (T6 in FIG. 3) and the specified time Te2 (for example, 1 minute) is not continuously satisfied, the machine tool Mi indicates that the control device 10 has the power monitor 20 and the power detector 11.
- the speed Pi, Si, Ri continues to be the steady values Pin, Sin, Rin, and the power consumption Wt at the facility becomes the specified value We, whichever first Until the time reaches (when the speed Pi, Si, Ri becomes the steady value Pin, Sin, Rin and the power consumption Wt becomes the specified value We) in this case, the speed Pi, S , So that increase the Ri, controlling the motor (in FIG. 2, S10 / in FIG. 3, T7).
- the machine tool Mi (for example, 20 kW) can restore the machining capability for the workpiece while setting the power consumption Wt (for example, 50 kW) at the facility to the specified value We (for example, 50 kW).
- the machining load of the machine tool Mp1 is further reduced, the power consumption W1 of the machine tool Mp1 is reduced to the original size (for example, 10 kW), and the power consumption Wt in the facility is decreased (for example, 45 kW), even if the state of being less than the specified value We continues for a specified time Te2 (T8 in FIG. 3), if it is the steady speed Pin, Sin, Rin (S8 in FIG. 2),
- the machine tool Mi controls the motor so that the control device 10 directly processes at the speeds Pin, Sin, and Rin based on the information from the power monitor 20 and the power detector 11. Maintain (S2 in FIG. 2).
- the machining load of the machine tool Mp2 is further reduced, the power consumption W2 of the machine tool Mp2 is also reduced to the original size (for example, 10 kW), and the power consumption Wt at the facility is further reduced ( For example, even if the state of being less than the specified value We continues for a specified time Te2 (T9 in FIG. 3), the steady speeds Pin, Sin, Rin (S8 in FIG. 2).
- the machine tool Mi is configured such that the control device 10 processes the motor as it is at the steady speeds Pin, Sin, Rin based on the information from the power monitoring meter 20 and the power detection meter 11. Control is maintained (S2 in FIG. 2).
- the machine tool Mi is continuously controlled by the control device 10 based on information from the power monitor 20 and the power detector 11.
- the motor is controlled to process at the speeds Pin, Sin, and Rin (S2 in FIG. 2).
- the machine tool Mi causes the control device 10 to transmit the power monitor 20 and the power as in the case described above. Based on the information from the detector 11, by controlling the motor so as to decrease the speed Pi, Si, Ri until the power consumption Wt at the facility becomes equal to or less than the specified value We (in FIG. 3, T12) Processing is continued in this state.
- the machine tool Mi repeats the above-described operation until the operation is completed when a stop signal is input (S12 in FIG. 2), thereby reducing the power consumption Wt in the facility to a specified value We or less. ,
- the workpiece can be continuously processed.
- the average value of the power consumption Wt (demand power) during a predetermined time (for example, 30 minutes) can be made equal to or less than the specified value We, for example, the basic contract fee with the power company in the facility can be reduced. And the operating cost of the entire facility can be reduced.
- the control device 10 of the machine tool Mi determines the acceleration / deceleration speed Pi and the feed speed Si of the positioning feed motion based on the information from the power monitor 20 and the power detector 11.
- the control device 10 of the machine tool Mi omits the control of the acceleration / deceleration Ri of the rotational motion of the main shaft, Based on the information from the power monitor 20 and the power detector 11, only the acceleration / deceleration speed Pi and feed speed Si of the positioning feed movement are controlled, and further, the acceleration / deceleration speed Pi and feed speed Si of the positioning feed movement are controlled. By controlling only one of them, it is possible to obtain the same effect as the above-described embodiment.
- the present invention is not limited thereto. If it is an industrial machine that rotationally drives a motor such as a pump or a blower, such as an industrial machine that performs positioning feed movement such as a press machine, an extrusion machine, an industrial robot, etc., the rotational acceleration / deceleration Pi of the motor And by controlling at least one of the rotation speed Si, it can be applied in the same manner as in the case of the above-described embodiment, and the same effect can be obtained.
- the power consumption control system according to the present invention can easily suppress the load on the power supply equipment of the facility even if the power consumption Wt at the facility has a large peak while the worker is working. Therefore, it can be used extremely beneficially in various industries.
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Abstract
Description
本発明に係る消費電力制御システムの主な実施形態を図1~3に基づいて説明する。
ただし、apは切り込み量(mm)、aeは切削幅(mm)、Vfは送り速度(mm/分)、Kcは比切削抵抗(MPa)、ηは機械効率、Pcは所要動力(kW)である。
なお、前述した実施形態においては、前記工作機械Miの前記制御装置10が、前記電力監視計20及び前記電力検出計11からの情報に基づいて、位置決め送り運動の加減速度Pi及び送り速度Si並びに主軸の回転運動の加減速度Riを制御する場合について説明したが、加工作業条件等によっては、前記工作機械Miの前記制御装置10が、主軸の回転運動の加減速度Riの制御を省略して、前記電力監視計20及び前記電力検出計11からの情報に基づいて、位置決め送り運動の加減速度Pi及び送り速度Siだけを制御することや、さらに、位置決め送り運動の加減速度Pi及び送り速度Siのいずれか一方のみを制御することでも、前述した実施形態と同様な作用効果を得ることが可能となる。
10 制御装置
11~13 電力検出計
20 電力監視計
Wi 工作機械Miの消費電力
W1 工作機械Mp1の消費電力
W2 工作機械Mp2の消費電力
Wt 施設全体の消費電力
We 規定値
Claims (8)
- モータを回転駆動させる産業機械を複数設置された施設の消費電力制御システムであって、
前記産業機械のうちの一つのみが、前記施設での消費電力Wtの情報に基づいて、当該消費電力Wtを規定値We以下とするように、当該産業機械の前記モータの回転加減速度Pi及び回転速度Siの少なくとも一方を制御する制御手段を備えるものであり、
前記施設に設置されたすべての前記産業機械の消費電力をそれぞれ計測して当該施設の消費電力Wtを求めると共に、前記制御手段を備える前記産業機械の当該制御手段へ当該消費電力Wtの情報を提供する電力監視手段を備えている
ことを特徴とする消費電力制御システム。 - 請求項1に記載の消費電力制御システムにおいて、
前記制御手段を備える前記産業機械の当該制御手段が、前記消費電力Wtが前記規定値Weを規定時間Te1継続して超過した情報に基づいて、当該消費電力Wtを当該規定値We以下となるまで当該産業機械の前記回転加減速度Pi及び前記回転速度Siの少なくとも一方を低下させるように当該産業機械の前記モータを制御するものである
ことを特徴とする消費電力制御システム。 - 請求項1又は請求項2に記載の消費電力制御システムにおいて、
前記制御手段を備える前記産業機械の当該制御手段が、前記消費電力Wtが前記規定値Weに規定時間Te2継続して満たない情報に基づいて、当該産業機械の前記回転加減速度Pi及び前記回転速度Siの少なくとも一方が定常値Pin,Sin未満であるときに、当該回転加減速度Pi及び当該回転速度Siの少なくとも一方が当該定常値Pin,Sinとなる、及び、当該消費電力Wtが当該規定値Weとなる、のうちのいずれか先に到達するときまで当該回転加減速度Pi及び当該回転速度Siの少なくとも一方を上昇させるように当該産業機械の前記モータを制御するものである
ことを特徴とする消費電力制御システム。 - 請求項1から請求項3のいずれか一項に記載の消費電力制御システムにおいて、
前記制御手段を備える前記産業機械が、工具とワークとを相対的に移動させて当該ワークに加工を施す工作機械であり、
前記回転加減速度Piが位置決め送り運動の加減速度Piであり、
前記回転速度Siが位置決め送り運動の送り速度Siである
ことを特徴とする消費電力制御システム。 - 請求項4に記載の消費電力制御システムにおいて、
前記制御手段を備える前記工作機械の当該制御手段が、さらに、前記消費電力Wtの情報に基づいて、当該消費電力Wtを前記規定値We以下とするように、当該工作機械の主軸の回転運動の加減速度Riを制御するものである
ことを特徴とする消費電力制御システム。 - 請求項5に記載の消費電力制御システムにおいて、
前記制御手段を備える前記工作機械の当該制御手段が、さらに、前記消費電力Wtが前記規定値Weを規定時間Te1継続して超過した情報に基づいて、当該消費電力Wtを当該規定値We以下となるまで当該工作機械の前記加減速度Riを低下させるように当該工作機械を制御するものである
ことを特徴とする消費電力制御システム。 - 請求項5又は請求項6に記載の消費電力制御システムにおいて、
前記制御手段を備える前記工作機械の当該制御手段が、さらに、前記消費電力Wtが前記規定値Weに規定時間Te2継続して満たない情報に基づいて、当該工作機械の前記加減速度Riが定常値Rin未満であるときに、当該加減速度Riが当該定常値Rinとなる、及び、当該消費電力Wtが当該規定値Weとなる、のうちのいずれか先に到達するときまで当該加減速度Riを上昇させるように当該工作機械を制御するものである
ことを特徴とする消費電力制御システム。 - 請求項1から請求項7のいずれか一項に記載の消費電力制御システムにおいて、
前記制御手段を備えた前記産業機械の当該制御手段が、所定時間における前記消費電力Wtの平均値を前記規定値We以下とするように当該産業機械を制御するものである
ことを特徴とする消費電力制御システム。
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JP2017162300A (ja) * | 2016-03-10 | 2017-09-14 | ファナック株式会社 | 複数の製造機械の稼働状態を調整する機械制御装置および生産システム |
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US20170328360A1 (en) * | 2016-05-11 | 2017-11-16 | GE Lighting Solutions, LLC | Apparatus, system and method of controlling electric submersible pump based on demand response |
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JP6621059B2 (ja) | 2017-11-28 | 2019-12-18 | 株式会社安川電機 | 機械設備制御システム、機械設備制御装置、及び機械設備制御方法 |
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