CN110333708A - Based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, system, storage medium and terminal - Google Patents
Based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, system, storage medium and terminal Download PDFInfo
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- CN110333708A CN110333708A CN201910344705.8A CN201910344705A CN110333708A CN 110333708 A CN110333708 A CN 110333708A CN 201910344705 A CN201910344705 A CN 201910344705A CN 110333708 A CN110333708 A CN 110333708A
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- 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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
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- 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
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The invention discloses be based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, system, storage medium and terminal, method includes technical water supply water pressure data association establishment step and technical water supply water pressure data association process step, and the data include control data and non-control；Control data are water supply pressure, non-control includes one or more of hydraulic pressure rise/fall speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, motor current and motor voltage, step includes: the incidence relation established between hydraulic pressure and non-control, the data acquired in real time are judged, when multiple non-control, which do not fall within water pressure data, corresponds to the limit section of value, then report an error to water pressure data diagnosis.The present invention makes control after being only associated diagnosis to data again, can effectively avoid sensor and control system failure or the control failure of defect bring.
Description
Technical field
The present invention relates to automation control areas, more particularly to examine based on Hydraulic Power Unit technical water supply water pressure data is associated
Disconnected control method, system, storage medium and terminal.
Background technique
Control object is also known as controlled device.In automatic control system, refers generally to the equipment controlled or process is object,
Such as reactor, the control of rectifying device or diabatic process, the control of combustion process etc..From quantitative analysis and design angle, control
Object processed is controlled device or influences some factors of object input, output parameter in the process, is not the whole of equipment.?
Actuator (regulating valve) and measurement in automatic control system, as the control object of broad sense, in addition to controller (adjuster)
Pick-up device is included.And the control object as narrow sense, end parameter (input, output) have controlled parameter, control
Parameter and disturbance parameter (being referred to as procedure parameter or process data), they pass through the internal state of Hydraulic Power Unit technical water supply
And it connects each other.
In the prior art, for control mode, preset value+fixation process is used to the control mode of control object
Control is reduced to complex control system to control at this time based on the Controlling model for the simplification for simply executing output based on input
Model and controlled device are controlled if input signal error and are also malfunctioned there is no any relationship, and can not to input signal
It goes to identify its availability, only realizes basic automatically control.Similar control object is controlled using same Controlling model.Lift one
A example, controller only to the received analog signals sent from external sensor or other detection units (i.e.
Above process parameter or process data) corresponding data differentiation is carried out, relevant work device is controlled according to the result of differentiation
It starts and stops.But actual conditions are: it is variant between different specific control objects even similar control object, have
Different characteristics, existing control mode are unable to the characteristic of each specific control object of automatic identification, certainly can not be according to specific right
The characteristic of elephant carries out realizing differentiation control.Only focus on whether controlled parameter reaches preset value in control process, without monitoring
The change procedure of controlled parameter can not accomplish comprehensive self diagnosis and pre- observing and controlling due to being not concerned with the change procedure of controlled parameter
System.
And for detecting element, due to existing control mode be all based on detecting element it is working properly under the premise of into
Capable, but actually be likely to malfunction in reliable detecting element.Detecting element is only done whether in its detection range
Simple diagnosis and processing, the requirement to detecting element reliability is high, a large amount of detecting elements high using import price.Nonetheless,
Comprehensive self diagnosis and processing are not carried out to it, when anomalous variation or failure, control system once occur in these detecting elements
System control just will appear malfunction or can not work, no faults-tolerant control function.That is, the prior art only occurs in process data
When dangerous situation (or the certain percentage for reaching threshold value), the specific control to control object is just carried out.So, work as production
The equipment of raw process data when something goes wrong, can directly control Hydraulic Power Unit technical water supply according to the process data, and
The problem of causing whole system to shut down.That is, the prior art can not be according to the actual change situation of process data, at some
When the equipment for generating process data occurs abnormal, faults-tolerant control is carried out to Hydraulic Power Unit technical water supply.
People also gradually recognize in engineering practice, select most reliable detecting element and executing agency, not necessarily
Most reliable control system can be assembled, as long as forming height with low reliability element can on the contrary, design, assembling and use are proper
Control system by property is also possible.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide closed based on Hydraulic Power Unit technical water supply water pressure data
Diagnosis control method, system, storage medium and the terminal of connection, solving the prior art can not be according to the actual change feelings of process data
Condition carries out the problem of shutting down control to Hydraulic Power Unit technical water supply when the equipment that some generates process data occurs abnormal.
The purpose of the present invention is achieved through the following technical solutions:
The first aspect of the present invention is provided based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data,
It is associated with establishment step and water pressure data association process step including water pressure data, the water pressure data association establishment step includes
Following sub-step:
The incidence relation of data is established, the data include a control data and at least one non-control；It is described
Control data are hydraulic pressure, and the non-control is other data associated with the hydraulic pressure, including hydraulic pressure rise/fall speed
Degree, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, motor current and
One or more of motor voltage；
The limit section of non-control of the hydraulic pressure in specified value is set；
The data correlation processing step includes following sub-step:
Real-time collected data are judged, comprising:
When the numerical value of some key non-control and/or multiple non-control does not fall within the pole that hydraulic pressure corresponds to value
When limiting section, then it is assumed that do not meet related relevance rule between hydraulic pressure non-control associated with it, examine water pressure data
It is disconnected to report an error.
Further, when the numerical value of some key non-control and/or multiple non-control does not fall within hydraulic pressure pair
When answering the limit section of value, judge that the water pressure data malfunctions, is not intended as the control of corresponding Hydraulic Power Unit technical water supply hydraulic pressure
Foundation, and using non-control as control according to faults-tolerant control is carried out to Hydraulic Power Unit technical water supply hydraulic pressure, i.e., with non-controlling
Data are that foundation indirectly controls Hydraulic Power Unit technical water supply hydraulic pressure.
Further, further include that real-time collected data are judged in data correlation processing step:
Value is corresponded to when the numerical value of some key non-control and/or multiple non-control falls into water pressure data
When limit section, then it is assumed that meet related relevance rule between water pressure data non-control associated with it, then judge water
Press data effective, and the control foundation as corresponding Hydraulic Power Unit technical water supply hydraulic pressure；
Judgement simultaneously does not fall between the non-control water pressure data associated with it in limit section and does not meet related pass
Connection property rule, and it is further contemplated that the non-control is invalid data, it reports an error to non-control, and not as waterpower
The diagnosis basis of machine set technology water supply pressure.
Further, when the numerical value of some key non-control and/or multiple non-control falls into water pressure data
When the limit section of corresponding value, and there is the numerical value of one and/or several non-control not fall within water pressure data and correspond to value
The limit section when, diagnose it and do not meet related relevance rule between associated water pressure data, and according to non-control
The situation that reports an error, according to water pressure data in advance and/or hysteresis manner to Hydraulic Power Unit technical water supply hydraulic pressure carry out PREDICTIVE CONTROL.
Further, the limit section of non-control of the setting hydraulic pressure in specified value includes:
By the way that the limiting condition of Hydraulic Power Unit technical water supply under normal operation is artificially arranged, obtain under limiting condition
The limit section of the Hydraulic Power Unit technical water supply water pressure data and non-control incidence relation, i.e., the described Hydraulic Power Unit technology
When there is limiting condition in normal operation in water supply, the maximum value and minimum value of non-control of the hydraulic pressure in specified value；
Or:
According to the water pressure data and non-control that detect in Hydraulic Power Unit technical water supply operation, pole is set automatically
Limit process section, i.e., the described Hydraulic Power Unit technical water supply in operation, obtain and non-controlling when hydraulic pressure specifies value are arranged automatically
The maximum value and minimum value of data；Or:
By way of software emulation, simulation Hydraulic Power Unit technical water supply hydraulic pressure occurs under limiting condition in operation, obtains
Obtain the maximum value and minimum value of non-control when hydraulic pressure specifies value, non-control of the Lai Jinhang hydraulic pressure in specified value
The limit section setting.
Further, the limit section replaces with positive and negative deviation range, the acquisition side of the positive and negative deviation range
Formula the following steps are included:
In Hydraulic Power Unit technical water supply actual motion, the continual detection Hydraulic Power Unit technical water supply includes water
Press data and and associated non-control including data；
The average value relation curve of correspondence non-control of the water pressure data in specified value is obtained, and establishes standard just
State regularity of distribution curve；
The positive and negative deviation of data correlation is determined according to the average value relation curve and standardized normal distribution law curve
Range.
Further, the non-control further includes other data for leading to the water pressure data variation and the water
Pressure data variation leads to other changed data of other data.
The second aspect of the present invention is provided based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data,
Module and water pressure data association process module are established including water pressure data association, module packet is established in the water pressure data association
It includes:
Data associating unit: for establishing the incidence relation of data, the data include a control data and at least one
A non-control；The control data are hydraulic pressure, and the non-control is other data associated with the hydraulic pressure, packet
Include hydraulic pressure rise/fall speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/outlet air
One or more of temperature, motor current and motor voltage；
Limit section setting unit: for the limit section of non-control of the hydraulic pressure in specified value to be arranged；
The water pressure data association process module is for judging the data acquired in real time, comprising:
Control data determining unit: for the numerical value when some key non-control and/or multiple non-control
When not falling within hydraulic pressure and corresponding to the limit section of value, then it is assumed that do not meet related pass between hydraulic pressure non-control associated with it
Connection property rule reports an error to water pressure data diagnosis.
Further, in the control data determining unit during being judged, when some key non-control
When the numerical value of data processed and/or multiple non-control does not fall within hydraulic pressure and corresponds to the limit section of value, the water pressure data is judged
Error is not intended as the control foundation of corresponding Hydraulic Power Unit technical water supply hydraulic pressure, and using non-control as control according to right
Hydraulic Power Unit technical water supply hydraulic pressure carry out faults-tolerant control, i.e., with non-control be according to Hydraulic Power Unit technical water supply hydraulic pressure into
Row indirectly controls.
Further, the water pressure data association process module further include:
Non-control judging unit: for the number when some key non-control and/or multiple non-control
When value falls into water pressure data and corresponds to the limit section of value, then it is assumed that meet between water pressure data non-control associated with it
Related relevance rule, then judge that water pressure data is effective, and the control foundation as corresponding Hydraulic Power Unit technical water supply hydraulic pressure；
Judgement simultaneously does not fall between the non-control water pressure data associated with it in limit section and does not meet related pass
Connection property rule, and it is further contemplated that the non-control is invalid data, it reports an error to non-control, and not as waterpower
The diagnosis basis of machine set technology water supply pressure.
Further, in non-control judging unit, when some key non-control and/or multiple non-controlling
When the numerical value of data falls into water pressure data and corresponds to the limit section of value, and there are the numerical value of one and/or several non-control
When not falling within water pressure data and corresponding to the limit section of value, diagnoses it and do not meet related relevance between associated water pressure data
Rule, and according to the situation that reports an error of non-control, shift to an earlier date according to water pressure data and/or hysteresis manner is to Hydraulic Power Unit technology
Water supply pressure carries out PREDICTIVE CONTROL.
Further, the limit section of non-control of the setting hydraulic pressure in specified value includes:
By the way that the limiting condition of Hydraulic Power Unit technical water supply under normal operation is artificially arranged, obtain under limiting condition
The limit section of the Hydraulic Power Unit technical water supply water pressure data and non-control incidence relation, i.e., the described Hydraulic Power Unit technology
When there is limiting condition in normal operation in water supply, the maximum value and minimum value of non-control of the hydraulic pressure in specified value；
Or:
According to the water pressure data and non-control that detect in Hydraulic Power Unit technical water supply operation, pole is set automatically
Limit process section, i.e., the described Hydraulic Power Unit technical water supply in operation, obtain and non-controlling when hydraulic pressure specifies value are arranged automatically
The maximum value and minimum value of data；Or:
By way of software emulation, simulation Hydraulic Power Unit technical water supply hydraulic pressure occurs under limiting condition in operation, obtains
Obtain the maximum value and minimum value of non-control when hydraulic pressure specifies value, non-control of the Lai Jinhang hydraulic pressure in specified value
The limit section setting.
Further, the limit section replaces with positive and negative deviation range；
Wherein, limit section setting unit replaces with positive and negative deviation range setting unit, and the positive and negative deviation range is set
Setting unit includes following subelement: data acquisition subelement: being used in Hydraulic Power Unit technical water supply actual motion, constantly
Detection the Hydraulic Power Unit technical water supply including water pressure data and and associated non-control including data；Data meter
Operator unit: it for obtaining the average value relation curve of correspondence non-control of the water pressure data in specified value, and establishes
Standardized normal distribution law curve；Positive and negative deviation range determines subelement: for according to the average value relation curve and mark
Quasi normal distribution law curve determines the positive and negative deviation range of data correlation.
Further, the non-control further includes other data for leading to the water pressure data variation and the water
Pressure data variation leads to other changed data of other data.
The third aspect of the present invention provides a kind of storage medium, is stored thereon with computer instruction, the computer instruction
The step of diagnosis control method associated based on Hydraulic Power Unit technical water supply water pressure data is executed when operation.
The fourth aspect of the present invention provides a kind of terminal, including memory and processor, and being stored on the memory can
The computer instruction run on the processor, based on water described in execution when the processor runs the computer instruction
The step of diagnosis control method of power machine set technology water supply pressure data correlation.
The beneficial effects of the present invention are:
(1) present invention carries out diagnosis control according to the characteristic of data correlation, so that going out in Hydraulic Power Unit technical water supply data
It is diagnosed when now abnormal, without directly accordingly being controlled, only related data is associated after analysis and is made again accordingly
Diagnosis control, can effectively avoid sensor and control system failure or defect bring control failure, system provided by the invention
System, storage medium and device also solve corresponding technical problem.Application of the invention will be to traditional automatic control technology band
Carry out deep effect.
(2) present invention is in this automatic control of former base, by monitoring the change procedure of main control parameter, autonomous learning and water
The characteristic that power machine set technology supplies water, it is autonomous respectively to realize PREDICTIVE CONTROL and faults-tolerant control；Due to comprehensive diagnos and fault-tolerant control
Function processed reduces the requirement to the reliability of detecting element, import detecting element can be replaced with domestic detecting element, as long as setting
Meter, assembling and use are proper, and the control system with low reliability element composition high reliability is also possible.
(3) another preferred embodiment of the invention, can be by accumulating to Hydraulic Power Unit technical water supply dynamic characteristic for a long time
It is tired and calculate, using the characteristic of Hydraulic Power Unit technical water supply itself, realize self study and autonomous perfect, and realize homogeneous object
Differentiation control.
(4) control system during the work time, realizes comprehensive self diagnosis by its characteristic, and realize certainly according to diagnostic result
Main control reduces or does not depend on the intervention artificially to control process.
Detailed description of the invention
Fig. 1 is the method for the present invention flow chart；
Fig. 2 is present system block diagram.
Specific embodiment
Technical solution of the present invention is clearly and completely described with reference to the accompanying drawing, it is clear that described embodiment
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that belong to "center", "upper", "lower", "left", "right", "vertical",
The direction of the instructions such as "horizontal", "inner", "outside" or positional relationship be based on direction or positional relationship described in attached drawing, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, belonging to " first ", " second " only
For descriptive purposes, it is not understood to indicate or imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, belong to " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Embodiment 1
The present embodiment provides be based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, this method application
It, can be according to the actual change situation of process data, in setting for some generation process data in various automatic control systems
It when standby appearance exception, is reported an error rather than is shut down to Hydraulic Power Unit technical water supply, avoid influence caused by whole shut down.
Specifically, as shown in Figure 1, the method includes data correlation establishment step S1 and data association process step
S2.The data correlation establishment step includes following sub-step:
S11: establishing the incidence relation of data, and the data include a control data and at least one non-control；
The control data be hydraulic pressure, the non-control be other data associated with the hydraulic pressure, including hydraulic pressure rise/under
Reduction of speed degree, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, electronic electromechanics
One or more of stream and motor voltage.
Wherein, data are controlled and non-control is data relevant to Hydraulic Power Unit technical water supply, the control
Data (i.e. hydraulic pressure) are that the main monitoring of Hydraulic Power Unit technical water supply controls data and control foundation, the non-control
(i.e. hydraulic pressure rise/fall speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/go out
One or more of air temperature, motor current and motor voltage) it is other numbers associated with the control data
According to.
Also, as control data hydraulic pressure, can be aerial cooler and/or oil cooler intake pressure and/or
Discharge pressure.
And preferably, in the present embodiment, the non-control further includes that the water pressure data is caused to change
Other data and water pressure data variation lead to other changed data of other data.
In addition, the data include the pace of change of process data detected value itself and/or process data detected value.
In the present embodiment, control object is Hydraulic Power Unit technical water supply, and the control data are hydraulic pressure.And it is corresponded to
Non-control include hydraulic pressure rise/fall speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature,
One or more of cooler air inlet/leaving air temp, motor current and motor voltage.
S12: the limit section of non-control of the setting control data in specified value.
Wherein, in the present embodiment, following three kinds of situations are specifically included to the step:
(1) it by the artificially various operating conditions of setting Hydraulic Power Unit technical water supply under normal operation, obtains in various operating conditions
Under the Hydraulic Power Unit technical water supply data (hydraulic pressure and associated non-control) limit section, i.e., the described water engineer
Non-control is corresponded to most when organizing each value of water pressure data when various operating conditions occurs in normal operation in technical water supply
Big value and minimum value；Or
(2) limit section is set according to the data detected after the Hydraulic Power Unit technical water supply normal operation input,
It obtains Hydraulic Power Unit technical water supply water pressure data in normal course of operation and corresponds to non-controlling number in each value
According to maximum value and minimum value；Or
(3) by way of software emulation, simulation Hydraulic Power Unit technical water supply in normal operation water pressure data each
The maximum value and minimum value of non-control, the setting in Lai Jinhang limit section are corresponded to when a value.
I.e. the setting in limit section can be according to artificial setting operating condition to obtain, can also be according to the actual conditions of operation
It is configured, can also be realized by way of simulation.
Limiting value set in addition can be actual numerical value, the certain percentage for the actual numerical value being also possible to.
That is, in the present embodiment, need to establish hydraulic pressure in each hydraulic pressure value, respectively with hydraulic pressure rise/fall
Speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, motor current
With limit section one or more kinds of in motor voltage.
After completing data correlation establishment step S1, data correlation processing step S2 is come into effect.Specifically, the number
Include following sub-step according to association process step:
S2: the data acquired in real time are judged, comprising:
When the numerical value of some key non-control and/or multiple non-control does not fall within the pole that hydraulic pressure corresponds to value
When limiting section, then it is assumed that do not meet related relevance rule between hydraulic pressure non-control associated with it, examine water pressure data
It is disconnected to report an error.
Wherein, in the present embodiment, as hydraulic pressure is in each hydraulic pressure value, respectively rise collected hydraulic pressure/under
Reduction of speed degree, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, electronic electromechanics
The data needed in stream and motor voltage are compared with corresponding limit section, if wherein N number of go beyond the limit of section,
It reports an error to control data.
In general, in data establishment step S1, when real-time collected process data is under normal circumstances
When, the non-control in process data is certain in the limit section for falling into corresponding control data.
If in certain group associated data at some time point, some key non-control and/or multiple non-controlling
When the numerical value of data does not fall within corresponding water pressure data and corresponds to the limit section of value, then it is assumed that water pressure data non-control associated with it
Correlation rule is not met between data processed, then judges that water pressure data is that (sensing for generating control data is set in vain at this time
Standby or transmission route goes wrong), and diagnosis is carried out to water pressure data and is reported an error.
That is, the sensor for acquiring hydraulic pressure at this time is probably asked if there is the situation in above-mentioned steps
Topic, needs to report an error to the hydraulic pressure sensor at this time.
In addition, in the preferred embodiment of the present embodiment, when some key non-control and/or multiple non-controlling numbers
According to numerical value do not fall within hydraulic pressure and correspond to the limit section of value when, judge that the water pressure data malfunctions, be not intended as corresponding water engineer
The control foundation of group technical water supply hydraulic pressure, and carried out using non-control as control according to Hydraulic Power Unit technical water supply hydraulic pressure
Faults-tolerant control is that foundation indirectly controls Hydraulic Power Unit technical water supply hydraulic pressure with non-control.
Specifically, in the preferred embodiment at this, it is described " must not be using the water pressure data as controlling corresponding water engineer
The foundation of group technical water supply hydraulic pressure, using non-control as the foundation for controlling corresponding Hydraulic Power Unit technical water supply hydraulic pressure ", including
Two ways is controlled:
(1) threshold value is respectively set to non-control respectively, i.e., feelings is arranged according to the threshold value of non-control at this time
Condition controls Hydraulic Power Unit technical water supply.I.e. if non-control is more than threshold value at this moment, carry out starting spare hold
The operation that row mechanism even alarms, according to the actual situation depending on.
(2) threshold value is arranged to control data, it should according to the anti-water pressure data that pushes back of the actual range of multiple non-control
The numerical value (such mode needs to collect a large amount of available datas and realized) having, according to the water pressure data and threshold value being derived by
It is compared.
Realize the fault tolerant operation to whole automatic control system at this time, i.e., when between water pressure data and non-control go out
Exception is showed, non-control can be used, system is controlled, rather than has directly shut down.
Under normal conditions, there is above-mentioned condition, generally the device efficiency reduction or health of Hydraulic Power Unit technical water supply
Failure.Because non-control also can in data in general, even if higher or lower situation integrally occur in data
Meet correlation rule between water pressure data, rather than the numerical value of some non-control and/or multiple non-control is not
Fall into the limit section of corresponding control data.
Specifically, in some cases it may which the quantity of non-control, such as percent are set with the mode of ratio
33 or more non-control does not fall within the limit section of corresponding control data, then it is assumed that water pressure data is invalid；And other one
In a little situations, it can also be configured according to the quantity of specific non-control, such as 2 non-control do not fall within corresponding control
In the limit section of the value of data processed, then it is assumed that control data invalid.In addition, being with water pressure data in some non-control
When strong incidence relation or the extremely important non-control, when the non-control does not fall within the limit region of corresponding control data
Between, directly think that water pressure data is invalid.Above-mentioned several situations need to be determined according to the actual situation.
It more preferably, in the present embodiment, further include to new collected process data in data correlation processing step S2
Judged:
Value is corresponded to when the numerical value of some key non-control and/or multiple non-control falls into water pressure data
When limit section, then it is assumed that meet related relevance rule between water pressure data non-control associated with it, then judge water
Press data effective, and the control foundation as corresponding Hydraulic Power Unit technical water supply hydraulic pressure；
Judgement simultaneously does not fall between the non-control water pressure data associated with it in limit section and does not meet related pass
Connection property rule, and it is further contemplated that the non-control is invalid data, it reports an error to non-control, and not as waterpower
The diagnosis basis of machine set technology water supply pressure.
With being mentioned in above-mentioned data correlation processing step S2 on the contrary, the step is for judging whether water pressure data is normal
Data, specifically, if most of non-control or some crucial non-control fall into the pole of the water pressure data
Limit section, then it is assumed that water pressure data is normal data.
At this point, corresponding to this kind of situation, it is preferable that in the present embodiment, for some non-control and/or multiple non-
The value of control data falls into the case where limit section of corresponding control data, judgement do not fall within the non-control in limit section with
Related relevance rule is not met between associated water pressure data, and is further contemplated that the non-control is invalid data,
It reports an error to non-control and not as the control foundation of diagnosis Hydraulic Power Unit technical water supply hydraulic pressure.
And then judge to obtain that the element of the non-control or relevant device are abnormal, and take corresponding operating.I.e. at this time not
The non-control for falling into deviation profile region can be abnormal data under normal conditions, and artificial/machine is needed accordingly to be judged
Operation.
It is preferred that in the present embodiment, when some key non-control and/or multiple non-control
When numerical value falls into water pressure data and corresponds to the limit section of value, and there is one and/or the numerical value of several non-control is not fallen within
When water pressure data corresponds to the limit section of value, diagnoses it and does not meet related relevance rule between associated water pressure data,
And according to the situation that reports an error of non-control, shifts to an earlier date according to water pressure data and/or hysteresis manner is to Hydraulic Power Unit technical water supply
Hydraulic pressure carries out PREDICTIVE CONTROL.
Specifically, when limit section due to being in water pressure data in most of non-control, non-control is not made
For the control foundation of Hydraulic Power Unit technical water supply, but its non-control for going beyond the limit of process section can also illustrate mutually inside the Pass
Appearance goes wrong (collection terminal itself goes wrong or data acquisition goes wrong), therefore at this time can be according to non-control report
Wrong situation, in advance and/or lag is implemented to control Hydraulic Power Unit technical water supply hydraulic pressure.
At this point, realizing when non-control occurs abnormal and carrying out PREDICTIVE CONTROL according to water pressure data.
In the present embodiment, Hydraulic Power Unit technical water supply hydraulic pressure is in certain hydraulic pressure value, hydraulic pressure rise/fall speed, technology
Water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, motor current and motor
Corresponding limit section is compared the actual value of voltage respectively, if only servomotor oil pressure exceeds corresponding limit region
Between, therefore the servomotor oil pressure of Hydraulic Power Unit technical water supply is reported an error.
Meanwhile by the way of PREDICTIVE CONTROL, exceed corresponding limit section or other situations, root in servomotor oil pressure
According to the actual conditions of hydraulic pressure, in advance/lag is carried out to Hydraulic Power Unit technical water supply and is controlled.
It wherein, can be to Hydraulic Power Unit skill when threshold value of the water pressure data beyond setting for above-mentioned any situation
Art, which supplies water, executes relevant operation.And for PREDICTIVE CONTROL, threshold value can be adjusted according to reporting an error for non-control, so that
Water pressure data is controlled before reaching the threshold value of script.
Wherein, PREDICTIVE CONTROL and faults-tolerant control are existing for the relationship of "and/or".
In addition, the realization based on above-mentioned any content, in the present embodiment, the limit section replace with positive and negative deviation
Range, wherein the acquisition modes of the positive and negative deviation range the following steps are included:
In Hydraulic Power Unit technical water supply actual motion, the continual detection Hydraulic Power Unit technical water supply includes water
Press data and and associated non-control including data；
The average value relation curve of correspondence non-control of the water pressure data in specified value is obtained, and establishes standard just
State regularity of distribution curve；
The positive and negative deviation of data correlation is determined according to the average value relation curve and standardized normal distribution law curve
Range.
That is, the present embodiment also provides a kind of diagnostic method, judgement in data can be made from limit process area
Between replace with positive and negative deviation range, when determine including control data and non-control including process data be more than positive negative bias
Poor range when not meeting normal distribution law requirement, reports an error to Hydraulic Power Unit technical water supply hydraulic pressure and above-mentioned preferred side
Faults-tolerant control and PREDICTIVE CONTROL in case.
Wherein, be arranged positive and negative deviation range mode it is identical as the mode in above-mentioned setting limit process section, herein not into
Row repeats.
Specifically, in data correlation establishment step S1, since mass data is carried out standardized normal distribution calculating, new
When collected data are under normal circumstances, the non-control in data is certain to fall into the deviation point of corresponding water pressure data
Cloth region.
Specifically, in this step, can using the control data in the process data of the Hydraulic Power Unit technical water supply as
Axis of abscissas x, while using the non-control in the process data of the Hydraulic Power Unit technical water supply as axis of ordinates y, it establishes
The incidence relation y=f (x) of data and each non-control is controlled, while obtaining the average value curve of corresponding non-control.
Under normal conditions, in the lesser situation of Primary Stage Data amount, the deviation profile region can be set to percentage
60, and in the biggish situation of later data amount, the deviation profile region can be set to 95 percent very
To being 99 percent.
Embodiment 2
The present embodiment provides be based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data, the hair of the system
Bright design is same as Example 1, is applied in various automatic control systems, can be according to the actual change feelings of process data
Condition reports an error to Hydraulic Power Unit technical water supply rather than is shut down, kept away when the equipment that some generates process data occurs abnormal
Exempt from influence caused by whole shut down.
Specifically, as shown in Fig. 2, the system includes that module and water pressure data association process are established in water pressure data association
Module, the water pressure data association establish module and include:
Data associating unit: for establishing the incidence relation of data, the data include a control data and at least one
A non-control；The control data are hydraulic pressure, and the non-control is other data associated with the hydraulic pressure, packet
Include hydraulic pressure rise/fall speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/outlet air
One or more of temperature, motor current and motor voltage；
Limit section setting unit: for the limit section of non-control of the hydraulic pressure in specified value to be arranged；
The water pressure data association process module is for judging the data acquired in real time, comprising:
Control data determining unit: for the numerical value when some key non-control and/or multiple non-control
When not falling within hydraulic pressure and corresponding to the limit section of value, then it is assumed that do not meet related pass between hydraulic pressure non-control associated with it
Connection property rule reports an error to water pressure data diagnosis.
More preferably, in the present embodiment, in the control data determining unit during being judged, when some
When the numerical value of key non-control and/or multiple non-control does not fall within hydraulic pressure and corresponds to the limit section of value, judgement
Water pressure data error, is not intended as the control foundation of corresponding Hydraulic Power Unit technical water supply hydraulic pressure, and using non-control as
Control carries out faults-tolerant control according to Hydraulic Power Unit technical water supply hydraulic pressure, i.e., is according to Hydraulic Power Unit technology with non-control
Water supply pressure is indirectly controlled.
More preferably, in the present embodiment, the water pressure data association process module further include:
Non-control judging unit: for the number when some key non-control and/or multiple non-control
When value falls into water pressure data and corresponds to the limit section of value, then it is assumed that meet between water pressure data non-control associated with it
Related relevance rule, then judge that water pressure data is effective, and the control foundation as corresponding Hydraulic Power Unit technical water supply hydraulic pressure；
Judgement simultaneously does not fall between the non-control water pressure data associated with it in limit section and does not meet related pass
Connection property rule, and it is further contemplated that the non-control is invalid data, it reports an error to non-control, and not as waterpower
The diagnosis basis of machine set technology water supply pressure.
More preferably, in the present embodiment, in non-control judging unit when some key non-control and/or
When the numerical value of multiple non-control falls into water pressure data and corresponds to the limit section of value, and there are one and/or several non-controlling
When the numerical value of data does not fall within water pressure data and corresponds to the limit section of value, diagnoses it and do not met between associated water pressure data
Related relevance rule, and according to the situation that reports an error of non-control, shift to an earlier date according to water pressure data and/or hysteresis manner is to water
Power machine set technology water supply pressure carries out PREDICTIVE CONTROL.
More preferably, in the present embodiment, further, the pole of non-control of the setting hydraulic pressure in specified value
Limit section includes:
By the way that the limiting condition of Hydraulic Power Unit technical water supply under normal operation is artificially arranged, obtain under limiting condition
The limit section of the Hydraulic Power Unit technical water supply water pressure data and non-control incidence relation, i.e., the described Hydraulic Power Unit technology
When there is limiting condition in normal operation in water supply, the maximum value and minimum value of non-control of the hydraulic pressure in specified value；
Or:
According to the water pressure data and non-control that detect in Hydraulic Power Unit technical water supply operation, pole is set automatically
Limit process section, i.e., the described Hydraulic Power Unit technical water supply in operation, obtain and non-controlling when hydraulic pressure specifies value are arranged automatically
The maximum value and minimum value of data；Or:
By way of software emulation, simulation Hydraulic Power Unit technical water supply hydraulic pressure occurs under limiting condition in operation, obtains
Obtain the maximum value and minimum value of non-control when hydraulic pressure specifies value, non-control of the Lai Jinhang hydraulic pressure in specified value
The limit section setting.
More preferably, in the present embodiment, the limit section replaces with positive and negative deviation range；
Wherein, limit section setting unit replaces with positive and negative deviation range setting unit, and the positive and negative deviation range is set
Setting unit includes following subelement: data acquisition subelement: being used in Hydraulic Power Unit technical water supply actual motion, constantly
Detection the Hydraulic Power Unit technical water supply including water pressure data and and associated non-control including data；Data meter
Operator unit: it for obtaining the average value relation curve of correspondence non-control of the water pressure data in specified value, and establishes
Standardized normal distribution law curve；Positive and negative deviation range determines subelement: for according to the average value relation curve and mark
Quasi normal distribution law curve determines the positive and negative deviation range of data correlation.
More preferably, in the present embodiment, the non-control further includes other for leading to the water pressure data variation
Data and water pressure data variation lead to other changed data of other data.
It is provided in an embodiment of the present invention to be based on phase in the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data
The explanation for closing part refers to controlling based on the associated diagnosis of Hydraulic Power Unit technical water supply water pressure data for the offer of the embodiment of the present invention 1
The detailed description of corresponding part in method processed, details are not described herein.In addition, in above-mentioned technical proposal provided in an embodiment of the present invention
With the consistent part of corresponding technical solution realization principle in the prior art and unspecified, in order to avoid excessively repeat.
Embodiment 3
Based on the realization of embodiment 1, the present embodiment also provides a kind of storage medium, is stored thereon with computer instruction, institute
It is executed when stating computer instruction operation described in embodiment 1 based on the associated diagnosis control of Hydraulic Power Unit technical water supply water pressure data
The step of method processed.
Based on this understanding, the technical solution of the present embodiment substantially the part that contributes to existing technology in other words
Or the part of the technical solution can be embodied in the form of software products, which is stored in one and deposits
In storage media, including some instructions are used so that a computer equipment (can be personal computer, server or network
Equipment etc.) it performs all or part of the steps of the method described in the various embodiments of the present invention.And storage medium above-mentioned include: USB flash disk,
Mobile hard disk, read-only memory (Read-OnlyMemory, ROM), random access memory (RandomAccessMemory,
RAM), the various media that can store program code such as magnetic or disk.
Embodiment 4
Based on the realization of embodiment 1, the present embodiment also provides a kind of terminal, including memory and processor, the storage
The computer instruction that can be run on the processor is stored on device, the processor executes when running the computer instruction
The step of diagnosis control method associated based on Hydraulic Power Unit technical water supply water pressure data described in embodiment 1.
Each functional unit in embodiment provided by the invention can integrate in a processor, be also possible to each
Unit physically exists alone, and can also be integrated in one unit with two or more units.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments, right
For those of ordinary skill in the art, can also make on the basis of the above description other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And thus amplify out it is obvious variation or
It changes still within the protection scope of the invention.
Claims (16)
1. being based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, it is characterised in that: including water pressure data
It is associated with establishment step and water pressure data association process step, the water pressure data association establishment step includes following sub-step:
The incidence relation of data is established, the data include a control data and at least one non-control；The control
Data are hydraulic pressure, the non-control be other data associated with the hydraulic pressure, including hydraulic pressure rise/fall speed,
Technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler air inlet/leaving air temp, motor current and electricity
One or more of motivation voltage；
The limit section of non-control of the hydraulic pressure in specified value is set；
The data correlation processing step includes following sub-step:
The data acquired in real time are judged, comprising:
When the numerical value of some key non-control and/or multiple non-control does not fall within the limit region that hydraulic pressure corresponds to value
Between when, then it is assumed that do not meet related relevance rule between hydraulic pressure non-control associated with it, water pressure data diagnosed and is reported
It is wrong.
2. according to claim 1 be based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, spy
Sign is: when the numerical value of some key non-control and/or multiple non-control does not fall within the pole that hydraulic pressure corresponds to value
When limiting section, judge that the water pressure data malfunctions, is not intended as the control foundation of corresponding Hydraulic Power Unit technical water supply hydraulic pressure, and with non-
Data are controlled as control and carry out faults-tolerant control according to Hydraulic Power Unit technical water supply hydraulic pressure, i.e., are according to right with non-control
Hydraulic Power Unit technical water supply hydraulic pressure is indirectly controlled.
3. according to claim 1 or 2 be based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data,
It is characterized in that: further including that real-time collected data are judged in data correlation processing step:
When the numerical value of some key non-control and/or multiple non-control falls into the limit that water pressure data corresponds to value
When section, then it is assumed that meet related relevance rule between water pressure data non-control associated with it, then judge hydraulic pressure number
According to effective, and the control foundation as corresponding Hydraulic Power Unit technical water supply hydraulic pressure；
Judgement simultaneously does not fall between the non-control water pressure data associated with it in limit section and does not meet related relevance
Rule, and it is further contemplated that the non-control is invalid data, it reports an error to non-control, and not as Hydraulic Power Unit
The diagnosis basis of technical water supply hydraulic pressure.
4. according to claim 3 be based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, spy
Sign is: corresponding to value when the numerical value of some key non-control and/or multiple non-control falls into water pressure data
When limit section, and there is the numerical value of one and/or several non-control not fall within the limit section that water pressure data corresponds to value
When, it diagnoses it and does not meet related relevance rule between associated water pressure data, and according to the situation that reports an error of non-control,
According to water pressure data in advance and/or hysteresis manner to Hydraulic Power Unit technical water supply hydraulic pressure carry out PREDICTIVE CONTROL.
5. based on the associated diagnosis of Hydraulic Power Unit technical water supply water pressure data described according to claim 1~any one of 4
Control method, it is characterised in that: the limit section of non-control of the setting hydraulic pressure in specified value includes following sub-step:
By being artificially arranged the limiting condition of Hydraulic Power Unit technical water supply under normal operation, obtain under limiting condition described in
The limit section of Hydraulic Power Unit technical water supply water pressure data and non-control incidence relation, i.e., the described Hydraulic Power Unit technical water supply
When occurring limiting condition in normal operation, the maximum value and minimum value of non-control of the hydraulic pressure in specified value；Or:
According to the water pressure data and non-control that detect in Hydraulic Power Unit technical water supply operation, limit mistake is set automatically
Journey section, i.e., the described Hydraulic Power Unit technical water supply in operation, obtain and non-control when hydraulic pressure specifies value are arranged automatically
Maximum value and minimum value；Or:
By way of software emulation, simulation Hydraulic Power Unit technical water supply hydraulic pressure occurs under limiting condition in operation, obtains water
The maximum value and minimum value of non-control when pressing specified value, the pole of non-control of the Lai Jinhang hydraulic pressure in specified value
Limit section setting.
6. based on the associated diagnosis of Hydraulic Power Unit technical water supply water pressure data described according to claim 1~any one of 4
Control method, it is characterised in that: the limit section replaces with positive and negative deviation range, the acquisition of the positive and negative deviation range
Mode the following steps are included:
In Hydraulic Power Unit technical water supply actual motion, the continual detection Hydraulic Power Unit technical water supply includes hydraulic pressure number
According to and associated non-control including data；
The average value relation curve of correspondence non-control of the water pressure data in specified value is obtained, and establishes standard normal point
Cloth law curve；
The positive and negative deviation range of data correlation is determined according to the average value relation curve and standardized normal distribution law curve.
7. according to claim 1 be based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, spy
Sign is: the non-control further includes leading to other data and water pressure data variation of the water pressure data variation
Lead to other changed data of other data.
8. being based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data, it is characterised in that: including water pressure data
Module and water pressure data association process module are established in association, and the water pressure data association establishes module and includes:
Data associating unit: for establishing the incidence relation of data, the data include a control data and at least one is non-
Control data；The control data are hydraulic pressure, and the non-control is other data associated with the hydraulic pressure, including water
Pressure rise/fall speed, technical water supply flow, cooler water inlet/leaving water temperature, bearing oil temperature, cooler are entered the wind/go out wind-warm syndrome
One or more of degree, motor current and motor voltage；
Limit section setting unit: for the limit section of non-control of the hydraulic pressure in specified value to be arranged；
The water pressure data association process module is for judging the data acquired in real time, comprising:
Control data determining unit: for not fallen when the numerical value of some key non-control and/or multiple non-control
When entering hydraulic pressure and corresponding to the limit section of value, then it is assumed that do not meet related relevance between hydraulic pressure non-control associated with it
Rule reports an error to water pressure data diagnosis.
9. according to claim 8 be based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data, spy
Sign is: in the control data determining unit during being judged, when some key non-control and/or
When the numerical value of multiple non-control does not fall within hydraulic pressure and corresponds to the limit section of value, judges that the water pressure data malfunctions, do not make
For the control foundation of corresponding Hydraulic Power Unit technical water supply hydraulic pressure, and using non-control as control foundation to Hydraulic Power Unit technology
Water supply pressure carries out faults-tolerant control, i.e., is that foundation indirectly controls Hydraulic Power Unit technical water supply hydraulic pressure with non-control.
10. according to claim 8 or claim 9 based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data,
It is characterized by: the water pressure data association process module further include:
Non-control judging unit: for being fallen when the numerical value of some key non-control and/or multiple non-control
When entering water pressure data and corresponding to the limit section of value, then it is assumed that meet correlation between water pressure data non-control associated with it
Relevance rule, then judge that water pressure data is effective, and the control foundation as corresponding Hydraulic Power Unit technical water supply hydraulic pressure；
Judgement simultaneously does not fall between the non-control water pressure data associated with it in limit section and does not meet related relevance
Rule, and it is further contemplated that the non-control is invalid data, it reports an error to non-control, and not as Hydraulic Power Unit
The diagnosis basis of technical water supply hydraulic pressure.
11. according to claim 10 be based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data,
It is characterized in that: in non-control judging unit, when the number of some key non-control and/or multiple non-control
When value falls into water pressure data and corresponds to the limit section of value, and there is one and/or the numerical value of several non-control does not fall within water
When pressure data correspond to the limit section of value, diagnoses it and do not meet related relevance rule between associated water pressure data, and
According to the situation that reports an error of non-control, shifts to an earlier date according to water pressure data and/or hysteresis manner is to Hydraulic Power Unit technical water supply water
Pressure carries out PREDICTIVE CONTROL.
12. examining according to any one of claim 8~11 based on Hydraulic Power Unit technical water supply water pressure data is associated
Disconnected control system, it is characterised in that: the limit section of non-control of the setting hydraulic pressure in specified value includes:
By being artificially arranged the limiting condition of Hydraulic Power Unit technical water supply under normal operation, obtain under limiting condition described in
The limit section of Hydraulic Power Unit technical water supply water pressure data and non-control incidence relation, i.e., the described Hydraulic Power Unit technical water supply
When occurring limiting condition in normal operation, the maximum value and minimum value of non-control of the hydraulic pressure in specified value；Or:
According to the water pressure data and non-control that detect in Hydraulic Power Unit technical water supply operation, limit mistake is set automatically
Journey section, i.e., the described Hydraulic Power Unit technical water supply in operation, obtain and non-control when hydraulic pressure specifies value are arranged automatically
Maximum value and minimum value；Or:
By way of software emulation, simulation Hydraulic Power Unit technical water supply hydraulic pressure occurs under limiting condition in operation, obtains water
The maximum value and minimum value of non-control when pressing specified value, the pole of non-control of the Lai Jinhang hydraulic pressure in specified value
Limit section setting.
13. examining according to any one of claim 8~11 based on Hydraulic Power Unit technical water supply water pressure data is associated
Disconnected control system, it is characterised in that: the limit section replaces with positive and negative deviation range；
Wherein, limit section setting unit replaces with positive and negative deviation range setting unit, and the positive and negative deviation range is arranged single
Member includes following subelement: data acquisition subelement: being used for the continual inspection in Hydraulic Power Unit technical water supply actual motion
Survey the Hydraulic Power Unit technical water supply including water pressure data and and associated non-control including data；Data calculate son
Unit: for obtaining the average value relation curve of correspondence non-control of the water pressure data in specified value, and standard is established
Normal distribution law curve；Positive and negative deviation range determines subelement: for according to the average value relation curve and standard just
State regularity of distribution curve determines the positive and negative deviation range of data correlation.
14. according to claim 8 be based on the associated diagnostic control system of Hydraulic Power Unit technical water supply water pressure data, spy
Sign is: the non-control further includes leading to other data and water pressure data variation of the water pressure data variation
Lead to other changed data of other data.
15. a kind of storage medium, is stored thereon with computer instruction, it is characterised in that: the computer instruction executes when running
Step based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data described in any one of claims 1 to 7
Suddenly.
16. a kind of terminal, including memory and processor, the meter that can be run on the processor is stored on the memory
Calculation machine instruction, which is characterized in that perform claim requires any one of 1 to 7 institute when the processor runs the computer instruction
The step of diagnosis control method associated based on Hydraulic Power Unit technical water supply water pressure data stated.
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| CN201910344705.8A CN110333708A (en) | 2019-04-26 | 2019-04-26 | Based on the associated diagnosis control method of Hydraulic Power Unit technical water supply water pressure data, system, storage medium and terminal |
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Cited By (1)
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| CN112949181A (en) * | 2021-03-02 | 2021-06-11 | 国能大渡河枕头坝发电有限公司 | Early warning prediction method of multi-source associated data, storage medium and electronic equipment |
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Application publication date: 20191015 |