EP4177466A1 - Normalisation de valeurs mesurees - Google Patents

Normalisation de valeurs mesurees Download PDF

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Publication number
EP4177466A1
EP4177466A1 EP22212632.8A EP22212632A EP4177466A1 EP 4177466 A1 EP4177466 A1 EP 4177466A1 EP 22212632 A EP22212632 A EP 22212632A EP 4177466 A1 EP4177466 A1 EP 4177466A1
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EP
European Patent Office
Prior art keywords
measured value
components
compressor system
context information
values
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
EP22212632.8A
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German (de)
English (en)
Inventor
Florian Wagner
Anika HARTWICH
Andreas Birkenfeld
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.)
Kaeser Kompressoren AG
Original Assignee
Kaeser Kompressoren AG
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
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Priority claimed from EP13159618.1A external-priority patent/EP2778413B1/fr
Priority claimed from EP13159616.5A external-priority patent/EP2778412B1/fr
Application filed by Kaeser Kompressoren AG filed Critical Kaeser Kompressoren AG
Publication of EP4177466A1 publication Critical patent/EP4177466A1/fr
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B41/00—Pumping installations or systems specially adapted for elastic fluids
    • F04B41/06—Combinations of two or more pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/007—Installations or systems with two or more pumps or pump cylinders, wherein the flow-path through the stages can be changed, e.g. from series to parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B51/00—Testing machines, pumps, or pumping installations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/001—Testing thereof; Determination or simulation of flow characteristics; Stall or surge detection, e.g. condition monitoring

Definitions

  • the invention relates to a method for controlling and/or monitoring a compressor system comprising a number of components, namely one or more compressors and one or more peripheral devices, and a control/monitoring unit, the compressors and peripheral devices being arranged or connected in a specific configuration, according to the features of claim 1 and a compressor system according to claim 15.
  • Compressor plants represent a system of a large number of compressors and peripheral devices of various types, which are coupled to one another via an air pipe network and, when using heat recovery systems, via a water pipe network.
  • compressor systems are designed individually for the local conditions.
  • control/monitoring unit can also be the task of the control/monitoring unit to collect measured values occurring in the compressor system and store them as time profiles or with a time stamp in order to evaluate these measured values later in the control/monitoring unit or also in other technical systems. It can be particularly interesting if a large number of different measured values are collected from inside or outside the compressor system in order to be able to create analyzes and subsequently draw conclusions, in particular, for example, by forming correlations, etc.
  • a core idea of the present invention is based on the following guiding consideration: In order to be able to further process the measured values that are recorded and relevant to the compressor system in various questions, it is essential that the meaning of the measured values is defined and known at the latest at the time the measured values are evaluated. It can also be advantageous that the measured values with a defined and known meaning are prepared in advance, during or as a result of the method in such a way that they can be further processed in the control/monitoring unit but also in other technical systems.
  • the processing can be understood as the standardization of measured values.
  • the standardization of measured values also has the advantage that measured values from different compressor systems can be processed without compressor system-specific adjustments to the routines provided for processing the measured values.
  • the measured value standardization takes place in that context information is assigned to the measured value itself, so that the context of the measured value is defined at the latest at the point in time when the measured value is evaluated.
  • the context of the measured value can directly or indirectly define the location of the measured value acquisition and/or the medium (e.g. oil, compressed air, ambient air, cooling water, etc.) to which the measured value refers.
  • the medium e.g. oil, compressed air, ambient air, cooling water, etc.
  • indirect context information can also be provided via a name definition, namely when this is sufficiently clear.
  • a name definition is only a very soft definition of the meaning of a measured value, since it is very likely that the name definition will be used or interpreted differently by different people, so that a clear context for the measured value via a name definition is not possible can definitely be guaranteed.
  • a measured value can have several, not necessarily contradictory, meanings that can change depending on the compressor system or the specific component.
  • a preferred piece of context information determines the location of the acquisition of measured values directly, for example with recourse to a model of the component or the compressor system.
  • a control, monitoring, diagnostic or evaluation routine should be understood to mean very generally different control tasks, monitoring tasks, diagnostic tasks or evaluation tasks.
  • a predetermined configuration is the set of all conceivable configurations that the compressor system can assume in different operating states.
  • a configuration can be defined, for example, in the form of a P&I scheme and in this respect the interrelationships of the compressors and peripheral devices or the elements of a component can be recorded from different perspectives or in different domains, whereby for the implementation of the invention the recording of the interrelationships in one domain, from one point of view is of course sufficient.
  • Possible domains or possible perspectives include, for example, but not exclusively, the compressed air technical causal relationships, which can be reproduced in a P&I diagram in the narrower sense, in particular a compressed air P&I diagram, the heat recovery-related causal relationships, which can be shown in a P&I diagram in the narrower sense, in particular in a heat recovery P&I diagram, the cooling water circuit-related interrelationships that can be reproduced in a R&I scheme in the narrower sense, in particular in a cooling water circuit P&I diagram, as well as the power supply-related interrelationships that are in an electrical Circuit diagram can be reproduced in consideration.
  • a P&ID scheme within the meaning of the present invention can also be abstracted to the basic causal relationships viewed from one perspective/from one domain and in this respect does not have to include all the details of a possibly otherwise customary P&ID scheme.
  • a graphic representation of the interrelationships in a specific perspective/in a particular domain can also be understood, such as a graphic representation of the interrelationships related to compressed air technology, a graphic representation of the interrelationships related to heat recovery.
  • it is a flow diagram that shows the flow of energy and/or operating resources and/or compressed air between the individual compressors and the individual Peripherals or between the individual elements of a component reproduces.
  • the measured value acquisition step can include the metrological direct acquisition of a measured value and/or recourse to already existing, in particular stored, measured values.
  • already existing, stored measured values measured values from the immediate physical compressor system or external measured values come into consideration.
  • External measured values can be comparison data from other compressor systems or environmental data, such as humidity, air temperature of the outside or ambient air.
  • the measured value acquisition step includes not only the direct metrological acquisition of the measured values but also the storage of these measured values in an associated database, which can be implemented in one or more components, in the compressor system or externally.
  • the standardization of the measured value by assigning context information specifically includes the unambiguous assignment of the location of a measured value acquisition and/or the medium to which the measured value relates (e.g. oil, compressed air, ambient air, cooling water, etc.) to a measured value within an assignment step according to the invention.
  • the location of the measured value acquisition is always to be understood as meaning the real location at which a measured value is acquired, whereas the designation measuring point is always intended to mean the localization of this real location within an initial model. If the assignment of the location of a measured value acquisition is mentioned, this can be understood in such a way that the Measured value specifically a place, but also two or more places can be assigned.
  • assignment of the medium to which the measured value relates means that both a single medium and two or more media can be assigned to a measured value as context information.
  • the location of the measured value acquisition is defined by one or more initial models of the specific compressor system or comparable compressor systems and/or one or more initial models of the specific components or comparable components.
  • the three components (measured value, allocation, model) from the control/monitoring unit be read out in order to evaluate the measured values standardized in this way in external systems, which do not have to be under the control of the control/monitoring unit, using routines for monitoring (diagnosis, prediction of a maintenance date or predictive maintenance, etc.).
  • the measured value is assigned a preconfigured measuring point on a component or on an element of a component, with no consideration being given to linking the component to other components or linking the elements to other elements.
  • the measuring point on a component or on an element of a component is freely configurable, with the component being linked to other components or the component being linked to other components as well is not considered here.
  • the interconnection of the components is known via an initial model of the compressor system or the interconnection of the elements is known via an initial model of the component.
  • the measured value is assigned a preconfigured measuring point in this initial model.
  • the measured value can finally be assigned a freely configurable measuring point in the initial model, which takes into account the components or elements that are linked to one another.
  • Context information can preferably be assigned to a measured value via an assignment table.
  • the assignment via an assignment table can generally be understood in such a way that the list or set of assignments does not have to be present directly in tabular form, such as in an Excel spreadsheet, but can also be represented in formats such as XML or JSON.
  • the measured value standardized in this way can be correctly evaluated or analyzed in later evaluation routines or analysis steps and in further routines are taken as a basis.
  • both a), b) or c) can be predetermined/specified, but can also be defined in whole or in part before, during or after the compressor system is started up.
  • a), b) or c) can be predetermined/specified, but can also be defined in whole or in part before, during or after the compressor system is started up.
  • EP13159618 referred.
  • the measured values recorded in the measured value recording step can include physical or logical variables, for example values recorded by sensors within the compressor system or within the components and/or values recorded by sensors outside the compressor system (e.g. public climate database, weather station, ambient air thermometer, from others Measured values made available to compressor systems, etc. and/or actuator positions and/or readiness states of machines and/or operating states and/or control variables.
  • physical or logical variables for example values recorded by sensors within the compressor system or within the components and/or values recorded by sensors outside the compressor system (e.g. public climate database, weather station, ambient air thermometer, from others Measured values made available to compressor systems, etc. and/or actuator positions and/or readiness states of machines and/or operating states and/or control variables.
  • the superordinate state of the compressor system and/or individual components at the time of data acquisition can also be assigned to the respective measured value(s). This ensures that measured values of a compressor in the start-up behavior are not compared in an undifferentiated manner with measured values of a compressor in the stable operating state, without these different boundary conditions also being taken into account in such a comparison.
  • the superordinate state of the compressor system can also be taken into account, for example, by assigning one or more other measured values of the compressor system to the measured value or values at this point in time as additional context information, from which the state of the compressor system or a partial state of the compressor system can be derived.
  • this further measured value or these further measured values are provided with a time stamp, for example, then this further measured value or these further measured values can also be assigned to the measured value under consideration at a later point in time, since measured values with the measured value under consideration then have the same or a comparable time stamp in can be considered and assigned.
  • a measured value can be assigned a context in a plurality of initial models at the same time.
  • a base model component base model
  • a base model component base model
  • the measured value also includes a time stamp.
  • the link with a time stamp or the continuous time recording allows statements to be made about the development of individual measured values or the relevant components or the entire compressor system.
  • the measured value including the size type and (physical) unit is recorded and, if not, the measured value in this first processing step size type and unit, in particular be assigned to a stored initial model, manually or automatically using an assignment table.
  • a history of initial models and/or a history of context assignments is also stored in order to store which initial models or which context assignments are valid at a given point in time were.
  • a history of initial models and/or a history of context assignments is also stored in order to store which initial models or which context assignments are valid at a given point in time were.
  • FIG 1 Illustrated is an exemplary configuration of a compressor system interacting with a control/monitoring unit.
  • the compressor system illustrated by way of example comprises three compressors 11, 12, 13 arranged parallel to one another associated compressor 11, 12, 13 is arranged. Downstream of the filters 14, 15, 16, two dryers 19, 20 are connected. The compressed air downstream of the first filter should always flow over the first dryer 19 .
  • the compressed air downstream of the second filter can be routed via two valves 17, 18 either via the first dryer 19 or via the second dryer 20.
  • the two valves 17, 18 are designed or controlled in such a way that they are never opened simultaneously, ie when the first valve 17 opens, the second valve 18 remains closed or when the second valve 18 opens, the first valve 17 remains closed.
  • a compressed air reservoir 21 is arranged downstream of the two dryers 19 , 20 .
  • a pressure sensor 28 is also arranged on the downstream side of the compressed air reservoir 21 for detecting the operating pressure present there.
  • a control/monitoring unit 22 is provided for controlling and/or monitoring the compressor system, which is connected to the compressors 11, 12, 13 and the filters 14, 15, 16, the valves 17, 18, the dryers 19, 20, the compressed air reservoir 21 and the pressure sensor 28 is in operative connection.
  • the filters 14, 15, 16, the valves 17, 18, the dryers 19, 20, the compressed air reservoir 21 and the pressure sensor 28 form peripheral devices of the compressor system. Together with the compressors 11, 12, 13, these peripherals form the components of the compressor system.
  • the control/monitoring unit 22 is still operationally connected to a memory section 24 and an editor 23 .
  • the memory section 24 and/or the editor 23 can also be an integral part of the control/monitoring unit 22 .
  • the control/monitoring unit 22 can perform control functions, monitoring functions or control and monitoring functions.
  • monitoring should be understood to mean any form of evaluation, i.e. in addition to monitoring for malfunctions, unusual operating states, alarm situations, etc., also a diagnosis, in particular if an error message is already present, an analysis or evaluation, for example with regard to optimization or an evaluation for forecasting the next maintenance date (predictive maintenance).
  • control/monitoring unit 22 comprises a measured value acquisition unit 25 and an allocation unit 26, both of which are components of the control/monitoring unit 22 here.
  • the measured value acquisition unit 25 completely or partially separately from the control/monitoring unit 22 .
  • assignment unit 26 completely or at least partially separately from control/monitoring unit 22 .
  • control/monitoring unit 22 acquires measured values within the compressor system or within the components during operation of the compressor system or during operation of the components, in start-up and/or switch-off phases or in idle states.
  • Different data can be considered as measured values, namely physical variables or variables derived from them or also logical variables, for example values recorded by sensors within the compressor system or within the components and/or values recorded by sensors outside the compressor system (e.g. public air conditioning Database, ambient air thermometer, measured values from other compressor systems, measured values transmitted by compressed air consumption units, etc.) and/or actuator positions and/or readiness states of machines and/or operating states and/or controlled variables.
  • the control/monitoring unit 22 uses the measured value acquisition unit 25 to acquire such measured values, whether by actual measurement within the compressor system or by transmission from the components to the control/monitoring unit, whether by specific querying of individual components within the compressor system or by specific Querying of measured values, for example, in databases external to the compressor system or in databases assigned to the compressor system.
  • the measured value as such cannot be used for a subsequent control, monitoring, diagnostic or evaluation routine unless its measured value meaning is fixed, ie context information can be assigned to the measured value. For this reason, the context information is assigned to a measured value in the assignment unit 26 in order to standardize this measured value.
  • Such an assignment in an assignment step can take place beforehand at the same time as or after the measured value acquisition.
  • marking the measured value With context information, this pair of data can be taken into account as a standardized measured value in the subsequent control, monitoring, diagnosis or evaluation routines.
  • the context information defines an association of the location of a measurement acquisition and/or the medium to which the measurement relates.
  • one or more output models of the specific compressor system or comparable compressor systems are taken into account when assigning the location of the measured value acquisition and/or the medium to which the measured value relates. Only if the context in which the measured value was determined is known can the measured value obtained be used meaningfully.
  • the compressor system after figure 1 can be found in a P&ID scheme, for example figure 2 describe.
  • the R&I scheme according to figure 2 in this respect represents a starting model for the compressor system figure 1 , by determining the causal relationships within the compressor system. Is a measured value acquisition within such a model, as the P&I scheme is based on figure 2 defined, localized, the context information of the measured value is clear and in this respect the meaning of the measured value is fixed.
  • FIG 3 two variants for compressors are illustrated, both initially an inlet valve 29, a compressor block 30 with a Screw compressor, downstream of the compressor block 30 an oil separator 31, which continues the heated compressed air to an air cooler 32.
  • oil is supplied to cool the compressor block 30 and to ensure a lubricating film on the screw in the compressor block, with the compressed air mixed with the oil being discharged again in the aforementioned oil separator 31 and returned to the compressor block 30, with a Thermovalve 34 adjustable partial flow can be performed via an oil cooler 35 to reduce the oil temperature.
  • the compressors illustrated using a P&I diagram differ in that the compressor shown above is equipped without an internal add-on dryer 36 (variant A), while the compressor shown below is equipped with an internal add-on dryer 36 (variant B).
  • FIG 4 a simplified model for defining the context information for a stationary, oil-injected screw compressor is illustrated, with the interrelationships between the individual elements compressor block 30, oil separator 31, air cooler 32, inlet 37, outlet 38 not being defined here.
  • pressure and temperature can be recorded both on the suction side and on the pressure side (T suction , p suction , VET , p pressure ).
  • T suction , p suction , VET , p pressure For the oil separator 31, on the other hand, only the detection of a pressure (p i ) is provided, but not, for example, the detection of a temperature.
  • the standardization of the meaning of measured values is done by assigning one or more measuring points in the model for standardizing the meaning of measured values to a measured value.
  • the basic principle is based on figure 5 illustrated.
  • the measured values recorded for a component have - at the latest after the first measured value processing - received a standardization with regard to the content that the physical quantity type (pressure, temperature, ...) and the unit (Pa, K, 7) are also known.
  • Context information should now be assigned to the measured values pressure 1, pressure 2, temperature 1 prepared in this way in a first step.
  • the starting model of a component specifically the stationary, oil-injected screw compressor
  • the measuring points are basically predefined for this component, namely a stationary, oil-injected screw compressor without an attached dryer.
  • the measured value or measured values, specifically pressure 1, pressure 2, temperature 1, are now assigned to a value in the output model of the component according to figure 4 predefined measurement point, this assignment being made here specifically by a connecting line between the respective measured value and the context information.
  • This assignment of the measured value to an intended measuring point in the initial model now defines the meaning of the measured value with regard to the context.
  • a measured value can also be assigned to two measuring points (illustrated here using the example of "Pressure 2").
  • a partial meaning is assigned to a measured value (specifically: "Pressure downstream of the air cooler” and "Machine outlet pressure”).
  • an initial model for a component is now specified figure 6 used, in which not only the individual elements of the component itself are defined, but also the link between the individual elements is defined.
  • a stationary, oil-injected screw compressor without an attached dryer was used as a concrete example of a corresponding starting model.
  • the predefined measuring points are marked in the initial model.
  • the measuring points correspond to the measuring points in figure 4 .
  • the assignment step for individual measured values can then be carried out as based on figure 5 in connection with the original model figure 4 described.
  • measuring point The definition of a measuring point and the assignment of recorded measured values to a measuring point using a starting model were explained above using the example of a stationary, oil-injected screw compressor without an attached dryer. It goes without saying that this procedure can also be transferred to any other component of a compressor system or to the compressor system itself. If you transfer the original model to figure 4 for an individual component to the entire compressor system, then essential or all components of a compressor system would be defined without their specific interrelationships. Preconfigured measuring points would be predefined on the individual components for different measured variables. In the same way, each of the recorded measured values could contain context information be assigned. It is of course also possible, in a modification, not only to provide preconfigured measuring points on the individual components of a compressor system, but also to allow corresponding measuring points to be freely configured.
  • the measured values recorded by the control/monitoring unit are typically stored in the control/monitoring unit as a process image (actual values) and as a process data history (historical values).
  • the storage can (but does not have to) take place without context information (information about the meaning of the measured value), since the context information is available in the control/monitoring unit at any time and can be assigned to the measured values at a desired point in time.
  • context information is assigned to a measured value via an assignment table.
  • the context information that is assigned to the measured values is stored in the assignment table.
  • One and the same measured value can have several (consistent) meanings at the same time and one and the same meaning can of course be associated with several measured values.
  • a double assignment of measured value meanings can be useful if the reliability or the accuracy of the measured value acquisition is to be increased. For example, if one of two sensors for measuring the measured value fails, the measured value of the other sensor can be used for further processing. If measured values from both sensors, which ultimately generate measured values with the same measured value meaning, are available, the accuracy of the measured value acquisition can be increased by offsetting (mean value formation, maximum value formation, minimum value formation).
  • measured values and context information are combined if this has not already happened during storage.
  • measured values and context information By combining measured values and context information, an automatic evaluation is possible with the help of the models that were used to define the context information. Analysis routines are used for the evaluation.
  • EP13159618.1 referenced, which is hereby incorporated by reference in its entirety.
  • the data standardized according to the present invention can also contribute to EP13159618.1 to refine the described definition of causal relationships between components of a compressor system in the form of an R&I scheme.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Testing And Monitoring For Control Systems (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
EP22212632.8A 2013-03-15 2013-03-22 Normalisation de valeurs mesurees Pending EP4177466A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
EP13159618.1A EP2778413B1 (fr) 2013-03-15 2013-03-15 Entrée de schéma R&I pour un procédé de contrôle et/ou de surveillance d'un système de compresseurs
EP13159616.5A EP2778412B1 (fr) 2013-03-15 2013-03-15 Développement d'un modèle supérieur pour contrôler et/ou surveiller un système de compresseurs
EP16151509.3A EP3045726B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees
EP13160716.0A EP2778414B1 (fr) 2013-03-15 2013-03-22 Standardisation de valeur de mesure
EP19217453.0A EP3650697B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP16151509.3A Division EP3045726B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees
EP13160716.0A Division EP2778414B1 (fr) 2013-03-15 2013-03-22 Standardisation de valeur de mesure
EP19217453.0A Division EP3650697B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees

Publications (1)

Publication Number Publication Date
EP4177466A1 true EP4177466A1 (fr) 2023-05-10

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Application Number Title Priority Date Filing Date
EP22212632.8A Pending EP4177466A1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees
EP13160716.0A Active EP2778414B1 (fr) 2013-03-15 2013-03-22 Standardisation de valeur de mesure
EP19217453.0A Active EP3650697B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees
EP16151509.3A Active EP3045726B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees

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EP13160716.0A Active EP2778414B1 (fr) 2013-03-15 2013-03-22 Standardisation de valeur de mesure
EP19217453.0A Active EP3650697B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees
EP16151509.3A Active EP3045726B1 (fr) 2013-03-15 2013-03-22 Normalisation de valeurs mesurees

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EP (4) EP4177466A1 (fr)
MX (1) MX2015013078A (fr)
WO (1) WO2014140384A1 (fr)

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CN112539183B (zh) * 2020-11-25 2022-06-17 南京河海南自水电自动化有限公司 一种水泵断流装置拒动的故障诊断方法及系统
CN114645843B (zh) * 2022-04-25 2024-05-17 稀美资源(广东)有限公司 一种用于空压机工作状态的监测设备
CN116006453B (zh) * 2023-03-24 2023-06-20 合肥通用机械研究院有限公司 一般用动力压缩机出厂快速检测试验台及其测量方法

Citations (8)

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DE19826169A1 (de) * 1998-06-13 1999-12-16 Kaeser Kompressoren Gmbh Elektronische Steuerung für Anlagen der Druckluft- und Vakuumerzeugung
US20030097243A1 (en) * 2001-10-23 2003-05-22 Mays Thomas Gilmore Method and system for operating a hydrocarbon production facility
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EP3045726B1 (fr) 2019-12-25
WO2014140384A8 (fr) 2015-07-16
EP3650697A1 (fr) 2020-05-13
EP3650697B1 (fr) 2022-12-14
EP2778414A1 (fr) 2014-09-17
EP2778414B1 (fr) 2016-03-16
EP3045726A1 (fr) 2016-07-20
MX2015013078A (es) 2016-11-11
WO2014140384A1 (fr) 2014-09-18

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