CN108256704A - Simulation method and simulation equipment for dynamic characteristics of subsystem of wind driven generator - Google Patents
Simulation method and simulation equipment for dynamic characteristics of subsystem of wind driven generator Download PDFInfo
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- CN108256704A CN108256704A CN201611237125.1A CN201611237125A CN108256704A CN 108256704 A CN108256704 A CN 108256704A CN 201611237125 A CN201611237125 A CN 201611237125A CN 108256704 A CN108256704 A CN 108256704A
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- G—PHYSICS
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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Abstract
The invention discloses a simulation method and simulation equipment for dynamic characteristics of a subsystem of a wind driven generator, wherein the simulation method comprises the following steps: extracting boundary condition parameters according to a complete machine load calculation result under a complete machine load working condition; performing data conversion on the extracted boundary condition parameters by using a data conversion tool; establishing a subsystem model of the wind driven generator by utilizing a general multi-body dynamics tool; and applying the converted boundary condition parameters to a subsystem model of the wind driven generator, and calculating according to the load working condition of the whole machine by using a general multi-body dynamics tool to obtain dynamic characteristics. The invention provides a method for quickly and accurately calculating the internal dynamic characteristics of the subsystem by combining the coupling characteristics of the subsystem with variable complexity and the whole machine model under the condition of not establishing the whole machine model.
Description
Technical field
The present invention relates to technical field of wind power generation.More particularly it relates to a kind of son for wind-driven generator
The emulation mode and emulator of system dynamics.
Background technology
Current load of wind turbine generator evaluation criteria proposes by force just for complete machine key load, the loading analysis of non-sub-system
System requirement, and current line is all based on greatly simplified model using more analysis tool in the industry, it is impossible to Accurate Analysis unit subsystem
Dynamic load inside system.Here, simplified model refers in modeling in addition to the necessary information of such as quality, rotary inertia
Outside, the feature of gear structure, the bearing rigidity of each component in subsystem etc. is not accounted for, therefore, simplified model cannot
The detailed behavioral characteristics of each component in evaluation subsystem.
In addition, with the increase of unit capacity, between the subsystem of pitch-controlled system, yaw system etc. and itself and wind
Intercoupling between motor group complete machine is more and more apparent.Therefore, it is necessary to establish the subsystem of such as pitch-controlled system, yaw system
Accurate, detailed kinetic model, and it is unfolded behavioral characteristics assessment.
Invention content
The purpose of the present invention is to provide a kind of emulation modes of the subsystem behavioral characteristics of wind-driven generator and emulation to set
It is standby.The whole machine model that can solve to include simplifying subsystem by the emulation mode and emulator is during LOAD FOR
The problem of behavioral characteristics of each component in subsystem can not be obtained, can also solve the complete machine mould for including detailed subsystem model
Type is carry out extensive condition calculating inefficiency, quickly can not be designed iteration the problem of during LOAD FOR.
A total aspect according to the present invention, the present invention provide a kind of the imitative of subsystem behavioral characteristics of wind-driven generator
True method, the emulation mode include：According to the LOAD FOR under complete machine load working condition as a result, extraction boundary condition parameter；Profit
Data conversion is carried out to the boundary condition parameter of extraction with data conversion tools；Wind-force is established using general many-body dynamics tool
The subsystem model of generator；Transformed boundary condition parameter is applied to the subsystem model of wind-driven generator, using logical
It is calculated to obtain behavioral characteristics with many-body dynamics tool.
Preferably, boundary condition parameter includes operating mode arrange parameter, edge load, control signal and wind-driven generator operation
Parameter.
Preferably, the step of carrying out data conversion to the boundary condition parameter of extraction using data conversion tools includes：Profit
The parameter or input file that can be identified boundary condition parameter processing for general many-body dynamics tool with data conversion tools.
Preferably, the subsystem model for establishing wind-driven generator using general many-body dynamics tool includes：Establish wind-force
The pitch-controlled system model of generator and/or the yaw system model of wind-driven generator.
The structure feature for being preferably based on each component of the subsystem of wind-driven generator utilizes general many-body dynamics tool
Establish the subsystem model of wind-driven generator.
Preferably, the step of pitch-controlled system model for establishing wind-driven generator, includes：It establishes gear pitch-controlled system model, build
It founds toothed belt pitch-controlled system model and/or establishes hydraulic variable propeller system model.
Preferably, when establishing gear pitch-controlled system model, the structure feature includes：Gear feature, pitch variable bearings feature
With variable pitch moment of friction, wherein, the gear feature include its modulus, the number of teeth, reference diameter and modification coefficient.
Preferably, when establishing toothed belt pitch-controlled system model, the structure feature includes：Driving wheel feature, tensioning wheel are special
Sign, toothed belt feature, pitch control signal and pitch variable bearings feature, wherein, the toothed belt feature includes line density, stretches just
Degree, pretightning force, shear layer width, shear layer thickness and the toothed belt are joined with the contact characteristic of the driving wheel and tensioning wheel
Number, the driving wheel feature and tensioner features include its rotary inertia, size, rigidity, damping and friction parameter, the variable pitch
Bearing features include the stiffness characteristics parameter of moment of friction parameters of formula and bearing all directions.
Preferably, when establishing hydraulic variable propeller system model, the structure feature includes：Hydraulic device feature.
Preferably, when establishing gear pitch-controlled system model, the structure feature further includes the flexibility feature of gear.
Preferably, when establishing the yaw system model of wind-driven generator, the structure feature includes：Gear feature, yaw
Bearing features, yaw motor feature, brake block friction parameter and brake pressure, wherein, the gear feature include its modulus,
The number of teeth, reference diameter, modification coefficient.
Preferably, when establishing the yaw system model of wind-driven generator, the structure feature further includes：The flexibility of gear,
The rigidity of yaw bearing and the deformation behaviour of brake disc.
Preferably, the behavioral characteristics of all parts of the subsystem of wind-driven generator include：Wind under complete machine load working condition
Ultimate load, fatigue load, displacement, speed and the acceleration of all parts of the subsystem of power generator.
Preferably, the emulation mode, which is further included, is counted and is assessed to the behavioral characteristics of acquisition.
Another total aspect according to the present invention, the present invention provide a kind of subsystem behavioral characteristics of wind-driven generator
Emulator, the emulator include：Boundary condition parameter extraction module, according to the LOAD FOR knot under complete machine load working condition
Fruit extracts boundary condition parameter；Modular converter carries out data to the boundary condition parameter of extraction using data conversion tools and turns
It changes；Model building module establishes the subsystem model of wind-driven generator using general many-body dynamics tool；Behavioral characteristics obtain
Transformed boundary condition parameter is applied to the subsystem model of wind-driven generator by module, utilizes general many-body dynamics work
Tool is calculated to obtain behavioral characteristics for complete machine load working condition.
Preferably, boundary condition parameter processing is general many-body dynamics using data conversion tools by the modular converter
The parameter or input file that tool can identify.
Preferably, the model building module establishes the pitch-controlled system model and/or wind-driven generator of wind-driven generator
Yaw system model.
Preferably, the structure feature of each component of subsystem of the model building module based on wind-driven generator utilizes logical
The subsystem model of wind-driven generator is established with many-body dynamics tool.
Preferably, the model building module establish gear pitch-controlled system model, establish toothed belt pitch-controlled system model and/
Or establish hydraulic variable propeller system model.
Preferably, when model building module establishes gear pitch-controlled system model, the structure feature includes：Gear is special
Sign, pitch variable bearings feature and variable pitch moment of friction, wherein, the gear feature includes its modulus, the number of teeth, reference diameter and change
Potential coefficient.
Preferably, when model building module establishes toothed belt pitch-controlled system model, the structure feature includes：Driving wheel
Feature, tensioner features, toothed belt feature, pitch control signal and pitch variable bearings feature, wherein, the toothed belt feature includes
Line density, tensible rigidity, pretightning force, shear layer width, shear layer thickness and the toothed belt and the driving wheel and tensioning
The contact characteristic parameter of wheel, the driving wheel feature and tensioner features include its rotary inertia, size, rigidity, damp and rub
Parameter is wiped, the pitch variable bearings feature includes moment of friction parameters of formula and bearing all directions stiffness characteristics parameter.
Preferably, when model building module establishes hydraulic variable propeller system model, the structure feature includes：Hydraulic device
Feature.
Preferably, when model building module establishes gear pitch-controlled system model, the structure feature further includes gear
Flexibility feature.
Preferably, when model building module establishes the yaw system model of wind-driven generator, the structure feature includes：
Gear feature, yaw bearing feature, yaw motor feature, brake block friction parameter and brake pressure, wherein, the gear is special
Sign includes its modulus, the number of teeth, reference diameter, modification coefficient.
Preferably, when model building module establishes the yaw system model of wind-driven generator, the structure feature is also wrapped
It includes：The deformation behaviour of the flexibility of gear, the rigidity of yaw bearing and brake disc.
Preferably, the boundary condition parameter of the boundary condition parameter extraction module extraction includes operating mode arrange parameter, side
Boundary's load, control signal and wind-driven generator operating parameter.
Preferably, the behavioral characteristics of all parts of the subsystem of wind-driven generator include：Wind under complete machine load working condition
Ultimate load, fatigue load, displacement, speed and the acceleration of all parts of the subsystem of power generator.
Preferably, the emulator further includes statistics and evaluation module, and the statistics and evaluation module move acquisition
State feature is counted and is assessed.
Advantageous effect
Compared with prior art, the present invention has the following advantages：
The emulation mode of the subsystem behavioral characteristics of wind-driven generator provided by the present invention is by considering subsystem and whole
The coupling characteristics of machine model, provide it is a kind of can quickly and accurately computing subsystem internal dynamic feature method.
The boundary condition of the emulation mode sub-system of the subsystem behavioral characteristics of wind-driven generator provided by the present invention
It is fully considered, thus in the case where not establishing whole machine model, using existing complete machine LOAD FOR as a result, it is possible to simpler
Single ground playback subsystem is in the running operating condition of complete machine.
The emulation mode of the subsystem behavioral characteristics of wind-driven generator provided by the present invention can be according to different assessments
Purpose can establish detailed subsystem model in the case of the feature for fully considering each component in subsystem, so as to more
Go out the internal dynamic feature of subsystem for quickly and accurately simulation calculation, crucial technical support is provided for subsystem design.
The emulation mode of the subsystem behavioral characteristics of wind-driven generator provided by the present invention can utilize the more bodies of common commercial
Dynamics tool performs simulation operations, can establish to freedom and flexibility model, and can need neatly to adjust model according to emulation,
The edition upgrading of the dedicated emulated tool of wind-powered electricity generation can also be avoided limitation to simultaneously, the problems such as model can not be adjusted flexibly.
The emulation mode of the subsystem behavioral characteristics of wind-driven generator provided by the present invention can utilize batch processing function
It realizes that the batch pre-treatment of a large amount of public datas, batch calculate and batch post-processes, realizes quickly and efficiently computing subsystem
Ultimate load, fatigue load, deformation and vibration performance etc. behavioral characteristics.
Description of the drawings
Through a description of the embodiment given below with reference to the drawings, these and or other aspects of the invention and advantage will
It can become apparent and it is more readily appreciated that in the accompanying drawings：
Fig. 1 is the emulation mode for the subsystem behavioral characteristics for showing wind-driven generator according to an exemplary embodiment of the present invention
Flow chart,
Fig. 2 is the emulator for the subsystem behavioral characteristics for showing wind-driven generator according to an exemplary embodiment of the present invention
Block diagram.
Specific embodiment
Hereinafter with reference to attached drawing, the present invention is more fully described, exemplary implementation the invention is shown in the accompanying drawings
Example.However, the present invention can be implemented in many different forms, and it should not be construed as limited to the reality proposed herein
Apply example.On the contrary, these embodiments are provided so that the disclosure will be thorough and complete, and the scope of the present invention is fully passed
Up to those skilled in the art.
Below in conjunction with attached drawing detailed description of the present invention exemplary embodiment.
Fig. 1 is the emulation mode for the subsystem behavioral characteristics for showing wind-driven generator according to an exemplary embodiment of the present invention
Flow chart.
With reference to Fig. 1, in step sl, according to the LOAD FOR under complete machine load working condition as a result, extraction complete machine load working condition
Boundary condition parameter.Wherein, those skilled in the art can be according to the LOAD FOR under complete machine load working condition as a result, using this
Technological means well known to field (for example, utilizing the computer softwares such as Matlab, Vb, C, Python) extraction edge load, control
Signal, bearing frictional torque, wind-driven generator operating parameter and operating mode arrange parameter, but the boundary condition parameter extracted not office
It is limited to this.
Specifically, complete machine load working condition can include complete machine ultimate load operating mode, fatigue load operating mode or self-defined special
One or more of operating mode.Wherein, ultimate load operating mode and fatigue load operating mode have clearly in GL specifications and IEC specifications
Definition, and self-defined special operation condition refers to not explicitly define in above-mentioned specification, is those skilled in the art for specific
Problem and the non-universal property operating mode set.
Edge load generally refers to the load passed over by impeller, such as, it may include the load point on different directions
Measure Fx, Fy, Fz, Mx, My and Mz；Signal is controlled to include variable pitch signal, off-course signal or torque signal；Operating mode arrange parameter includes
The parameters such as azimuth, simulation time, safety factor for ultimate load, fatigue load cycle-index under a certain operating mode.
Next, in step s 2, the boundary condition parameter extracted in step sl is carried out using data conversion tools
Data conversion.Specifically, the edge load extracted and control signal processing for each load or are controlled into signal component file,
And be converted to parameter or input file that many-body dynamics tool can identify.
In addition, due to being related to a large amount of data transfer between different tools and conversion, customized data can be used
Crossover tool batch rapidly realizes above-mentioned processing and conversion function.
Next, in step s3, the subsystem model of wind-driven generator is established based on general many-body dynamics tool.This
In, establishing wind-driven generator subsystem model based on many-body dynamics tool may include establishing wind-force in many-body dynamics tool
Generator subsystems model and established in other emulation tools wind-driven generator subsystem model again by the wind-force established send out
Motor subsystem model is imported in many-body dynamics tool.
The pitch-controlled system of wind-driven generator is the practical executing agency of pitch control, is generally divided into gear drive, toothed belt
Transmission and several forms of hydraulic drive, for transmitting pitch drive torque.Due to unit actual operating mode complexity, variable pitch action
Frequently, therefore pitch-controlled system subjects service load complicated and changeable.Therefore, in the design phase, to pitch-controlled system internal dynamic
Load carries out accurate evaluation, can be designed for pitch-controlled system and type selecting provides crucial technical support, so as to effectively protect
Hinder the reliability and service life of wind-driven generator, reduce complete machine maintenance cost.
The yaw system of wind-driven generator is the practical executing agency of yaw control, and general structure type is passed for gear
It is dynamic, driving moment is yawed for transmitting, due to unit actual operating mode complexity, yaw maneuver is frequent, therefore yaw system is held
By service load complicated and changeable, which easily breaks out that the incorgruous, burn-down of electrical machinery of yaw, brake block quick abrasion etc. are a series of to ask
Topic.Therefore, in the design phase, accurate evaluation is carried out to yaw system internal dynamic load, can design and select for yaw system
Type provides crucial technical support, so as to effectively ensure the reliability of wind-driven generator and service life, reduces wind-force
The complete machine maintenance cost of generator.
Therefore, in an exemplary embodiment of the present invention, the pitch-controlled system model of wind-driven generator and wind is established to establish
Describe to establish the subsystem of wind-driven generator for the yaw system model of power generator based on general many-body dynamics tool
The specific steps of model.However, the present invention is not limited to this, such as gear of wind-driven generator can be also established according to design requirement
The model of other subsystems of case system etc..
The step of exemplary embodiment according to the present invention, the pitch-controlled system model for establishing wind-driven generator, may include：
(1) for different types of pitch-controlled system, internal load transmission path, all parts stand under load of pitch-controlled system are analyzed
Feature and mutual coupling feature establish pitch-controlled system topological relation figure；
(2) consider the structure features such as size, rigidity, damping and the mutual friction parameter of all parts, so as to
Form the model via dynamical response of entire pitch-controlled system；
(3) it establishes the detailed model of gear pitch-controlled system, the detailed model of toothed belt pitch-controlled system, establish hydraulic vane change system
The detailed model of system model.
More specifically, the step of establishing the detailed model of the gear pitch-controlled system of wind-driven generator includes：Foundation includes tooth
The gear pitch-controlled system model of feature, pitch variable bearings feature, variable pitch moment of friction is taken turns, and the gear feature includes its mould
Number, the number of teeth, reference diameter, modification coefficient；The step of detailed model for establishing toothed belt pitch-controlled system, includes：Foundation includes driving
Driving wheel feature, tensioner features, toothed belt feature, pitch control signal and pitch variable bearings feature toothed belt pitch-controlled system mould
Type, and the toothed belt feature includes its line density, tensible rigidity, pretightning force, shear layer width, shear layer thickness and institute
The contact characteristic parameter of tooth form band model and the driving wheel and tensioning wheel is stated, wherein, the driving wheel feature and tensioning wheel are special
Sign includes its rotary inertia, size, rigidity, damping and friction parameter, and pitch variable bearings feature includes moment of friction parameters of formula, axis
Hold all directions stiffness characteristics parameter (such as, coupling stiffness face, stiffness matrix or stiffness curve)；Establish hydraulic variable propeller system
The step of detailed model, includes：Establish the hydraulic variable propeller system model for including hydraulic device feature.
In an exemplary embodiment of the present invention, due to abundant during the above-mentioned detailed model for establishing pitch-controlled system
The structure features such as the characteristic of each component in pitch-controlled system and its mutual coupling are considered, therefore, by using described detailed
Thin model, which can be calculated, is more nearly practical behavioral characteristics assessment result.
In addition, in the case of the above structure feature for not considering each component in above-mentioned pitch-controlled system, wind-force can be established
The naive model of the pitch-controlled system of generator, that is, the pitch-controlled system mould for including control signal, quality and rotary inertia etc. can be established
Type.Here, the advantages of establishing the naive model of pitch-controlled system is can quickly to realize the LOAD FOR to pitch-controlled system, parameter spirit
Sensitivity is assessed, but naive model can not assess the detailed behavioral characteristics of each component of pitch-controlled system.
The step of exemplary embodiment according to the present invention, the yaw system model for establishing wind-driven generator, may include：
(1) the analysis yaw system internal load transmission path of wind-driven generator, all parts stand under load feature and mutually it
Between coupling feature, establish yaw system topological relation figure；
(2) consider the size of all parts of the yaw system of wind-driven generator, rigidity, damping and rubbing between each other
The structure features such as parameter are wiped, so as to form the model via dynamical response of entire yaw system；
(3) detailed model of the yaw system of wind-driven generator is established.
More specifically, the step of establishing the detailed model of the gear yaw system of wind-driven generator includes：Foundation includes tooth
The yaw system model of feature, yaw bearing feature, yaw motor feature, brake block friction parameter and brake pressure is taken turns,
In, the gear feature includes its modulus, the number of teeth, reference diameter, modification coefficient.
In addition, the gear yaw system model can further comprise that gear flexibility in itself and yaw bearing rigidity are special
It seeks peace the structure features such as deformation behaviour of brake disc.
In addition, in the case of the above structure feature for not considering each component in said gear yaw system, can establish
The naive model of the yaw system of wind-driven generator, that is, the yaw system for including control signal, quality and rotary inertia etc. can be established
System model.Here, the advantages of establishing the naive model of yaw system can be quickly realized to yaw system LOAD FOR, parameter
Sensitivity is assessed, but naive model can not assess the detailed behavioral characteristics of each component of yaw system.
It should be pointed out that for the naive model of subsystem, the detailed model of subsystem is to whole machine model
Such as load of the key position of blade root, hub centre, tower top and bottom of towe will not cause to significantly affect.
Next, in step s 4, transformed boundary condition parameter is applied to the subsystem model of wind-driven generator,
Complete machine is carried using general many-body dynamics tool needle to restore its real working condition condition, and to restore under the conditions of its real working condition
Lotus operating mode carries out batch and calculates to obtain behavioral characteristics.Those skilled in the art can be according to specific calculating process, will be in step S2
In the model of subsystem that the transformed boundary condition parameter obtained is applied to corresponding wind-driven generator, and based in step
The model of the subsystem of the wind-driven generator obtained in S3 carries out batch calculating using general many-body dynamics tool, to obtain wind
The behavioral characteristics of all parts of the subsystem of power generator.It will be appreciated by those skilled in the art that in specific calculating process
In, one in complete machine ultimate load operating mode, fatigue load operating mode or self-defined special operation condition can be selected according to actual demand
Or multiple operating modes are calculated.
Carrying out simulation calculation using general many-body dynamics tool has the characteristics that freedom and flexibility, avoids the special meter of wind turbine
Calculate the problems such as software is inflexible, function upgrading is slow.Simultaneously as the degree of freedom of the model of subsystem compares the freedom of wind-driven generator
Degree substantially reduces, and therefore, is carried in such as fatigue that computing subsystem is solved based on subsystems such as yaw system, pitch-controlled systems
When lotus, ultimate load, the internal dynamic feature of deformation and vibration performance, solving speed can be greatly improved.
In addition, the general many-body dynamics tool is not limited to SIMPACK, also include such as ANSYS, CATIA,
The general commercial softwares such as ABAQUS, MSC ADAMS.In addition, the emulation mode can be also realized by computer code.
Preferably, after behavioral characteristics are obtained, the behavioral characteristics of acquisition can also be counted and be assessed.Therefore, it connects
Get off, in step s 5, bulk statistics and assessment are carried out to the behavioral characteristics of acquisition using script handling implement.Specifically,
Bulk statistics and assessment are carried out to the behavioral characteristics of all parts of the subsystem of wind-driven generator using script handling implement
Step includes：Using the ultimate load of script handling implement progress subsystem all parts, fatigue load, displacement, speed and add
The deformations such as speed and vibration performance carry out bulk statistics and assessment.
With reference to Fig. 2, the emulator of the subsystem behavioral characteristics of wind-driven generator may include：Boundary condition parameter extraction mould
Block 10, according to the LOAD FOR under complete machine load working condition as a result, extraction boundary condition parameter；Modular converter 11 is turned using data
It changes tool and data conversion is carried out to the boundary condition parameter of extraction；Model building module 12 utilizes general many-body dynamics tool
Establish the subsystem model of wind-driven generator；Transformed boundary condition parameter is applied to wind by behavioral characteristics acquisition module 13
The subsystem model of power generator to restore real working condition condition, and utilizes general more bodies under the conditions of the real working condition of reduction
Dynamics tool needle carries out complete machine load working condition batch and calculates to obtain behavioral characteristics.
Preferably, the emulator of the subsystem behavioral characteristics of the wind-driven generator may also include statistics and evaluation module
14, statistics and evaluation module 14 carry out bulk statistics and assessment using script handling implement to the behavioral characteristics of acquisition.
As described above, the emulator of the subsystem behavioral characteristics of wind-driven generator may include boundary condition parameter extraction mould
Block 10, modular converter 11, model building module 12, behavioral characteristics acquisition module 13, statistics and evaluation module 14, but be not limited to
This.
Boundary condition parameter extraction module 10 using well known to a person skilled in the art technological means (for example, utilize
The computer softwares such as Matlab, Vb, C, Python) extraction operating mode arrange parameter, edge load, control signal and wind-driven generator
Operating parameter, but the boundary condition parameter extracted is not limited to this.
Boundary condition parameter batch processing is general many-body dynamics work by 11 availability data crossover tool of modular converter
Have the parameter that can be identified or input file.Specifically, modular converter 11 can be by the edge load extracted and control signal batch
Amount processing is each load or control signal component file, and is converted to parameter or input that many-body dynamics tool can identify
File.Further, since a large amount of data transfer and conversion between being related to different tools, modular converter 11 may be provided with self-defined
Data conversion tools rapidly to realize above-mentioned processing and conversion function in batches.
Model building module 12 can establish the pitch-controlled system model of wind-driven generator and/or the yaw system of wind-driven generator
Model, and can the structure feature based on each component of the subsystem of wind-driven generator establish wind using general many-body dynamics tool
The subsystem model of power generator.However, the present invention is not limited to this, all of wind-driven generator can be also established according to design requirement
The model of other subsystems of such as gearbox system.
The subsystem model of the wind-driven generator that model building module 12 can be established may include gear pitch-controlled system
Model establishes toothed belt pitch-controlled system model and/or establishes hydraulic variable propeller system model.Here, based on many-body dynamics tool
Establish wind-driven generator subsystem model may include establishing in many-body dynamics tool wind-driven generator subsystem model and
It is again that the wind-driven generator subsystem model established importing is more that wind-driven generator subsystem model is established in other emulation tools
In body dynamics tool.
When model building module 12 establishes gear pitch-controlled system model, the structure feature may include：Gear feature, change
Paddle bearing features and variable pitch moment of friction, wherein, the gear feature includes its modulus, the number of teeth, reference diameter and displacement system
Number.
When model building module 12 establishes toothed belt pitch-controlled system model, the structure feature may include：Driving wheel is special
Sign, tensioner features, toothed belt feature, pitch control signal and pitch variable bearings feature, wherein, the toothed belt feature includes line
Density, tensible rigidity, pretightning force, shear layer width, shear layer thickness and the toothed belt and the driving wheel and tensioning wheel
Contact characteristic parameter, the driving wheel feature and tensioner features may include its rotary inertia, size, rigidity, damp and rub
Parameter is wiped, the pitch variable bearings feature includes moment of friction parameters of formula and bearing all directions stiffness characteristics parameter.In addition, institute
State the flexibility feature that structure feature may also include gear.
When model building module 12 establishes hydraulic variable propeller system model, the structure feature may include：Hydraulic device is special
Sign.
When model building module 12 establishes the yaw system model of wind-driven generator, the structure feature may include：Tooth
Feature, yaw bearing feature, yaw motor feature, brake block friction parameter and brake pressure are taken turns, wherein, the gear feature
It may include its modulus, the number of teeth, reference diameter, modification coefficient.
When model building module 12 establishes the yaw system model of wind-driven generator, the structure feature may also include：
The deformation behaviour of the flexibility of gear, the rigidity of yaw bearing and brake disc.
Transformed boundary condition parameter is applied to the subsystem model of wind-driven generator by behavioral characteristics acquisition module 13,
To restore real working condition condition, and general many-body dynamics tool needle is utilized to complete machine load under the conditions of the real working condition of reduction
Operating mode carries out batch and calculates to obtain behavioral characteristics.Those skilled in the art can be according to specific calculating process, by modular converter 11
In the model of subsystem that the transformed boundary condition parameter obtained is applied to corresponding wind-driven generator, and built based on model
The model of the subsystem for the wind-driven generator that formwork erection block 12 is established carries out batch calculating using general many-body dynamics tool, to obtain
Take the behavioral characteristics of all parts of the subsystem of wind-driven generator.It will be appreciated by those skilled in the art that specifically calculating
In the process, it can be selected in complete machine ultimate load operating mode, fatigue load operating mode or self-defined special operation condition according to actual demand
One or more operating modes are calculated.
Statistics and evaluation module 14 can carry out bulk statistics and assessment using script handling implement to the behavioral characteristics of acquisition.
Specifically, the behavioral characteristics of all parts of the subsystem of wind-driven generator are carried out using script handling implement bulk statistics and
The step of assessment, includes：Ultimate load, fatigue load, displacement, the speed of subsystem all parts are carried out using script handling implement
The deformations such as degree and acceleration and vibration performance carry out bulk statistics and assessment.
The emulation mode of the subsystem behavioral characteristics of the wind-driven generator of exemplary embodiment using the present invention and emulation
Equipment can effectively evaluate and optimize the subsystem of wind-driven generator at design initial stage, pinpoint the problems in time and avoid institute
It was found that the problem of, while can also shorten the design cycle, reduce design cost, so as to ensure the high reliability of wind-driven generator and competing
Strive power.
Although some embodiments have been shown and described, it will be appreciated by those skilled in the art that not departing from this
In the case of the claim of invention and its scope and spirit of equivalent, it can modify to these embodiments.The present invention
Range limit not by specific embodiment but limited by claim and its equivalent, claim and its equivalent
Whole modifications within the scope of object will be understood to comprise in the present invention.
Claims (24)
1. the emulation mode of the subsystem behavioral characteristics of a kind of wind-driven generator, which is characterized in that the emulation mode includes：
According to the LOAD FOR under complete machine load working condition as a result, extraction boundary condition parameter；
Data conversion is carried out to the boundary condition parameter of extraction using data conversion tools；
The subsystem model of wind-driven generator is established using general many-body dynamics tool；
Transformed boundary condition parameter is applied to the subsystem model of wind-driven generator, utilizes general many-body dynamics tool
It is calculated to obtain behavioral characteristics for complete machine load working condition.
2. emulation mode according to claim 1, which is characterized in that using data conversion tools to the boundary condition of extraction
The step of parameter progress data conversion, includes：Using data conversion tools by boundary condition parameter processing be general many-body dynamics
The parameter or input file that tool can identify.
3. emulation mode according to claim 1, which is characterized in that establish wind-force using general many-body dynamics tool and send out
The subsystem model of motor includes：Establish the pitch-controlled system model of wind-driven generator and/or the yaw system mould of wind-driven generator
Type.
4. emulation mode according to claim 1, which is characterized in that establish wind-force using general many-body dynamics tool and send out
The step of subsystem model of motor, includes：The structure feature of each component of subsystem based on wind-driven generator utilizes general more
Body dynamics tool establishes the subsystem model of wind-driven generator.
5. emulation mode according to claim 3 or 4, which is characterized in that establish the pitch-controlled system model of wind-driven generator
The step of include：Gear pitch-controlled system model is established, establish toothed belt pitch-controlled system model and/or establishes hydraulic variable propeller system mould
Type.
6. emulation mode according to claim 5, which is characterized in that
When establishing gear pitch-controlled system model, the structure feature includes：Gear feature, pitch variable bearings feature and variable pitch frictional force
Square, wherein, the gear feature includes its modulus, the number of teeth, reference diameter and modification coefficient；
When establishing toothed belt pitch-controlled system model, the structure feature includes：Driving wheel feature, tensioner features, toothed belt are special
Sign, pitch control signal and pitch variable bearings feature, wherein, the toothed belt feature include line density, tensible rigidity, pretightning force,
Shear layer width, shear layer thickness and the toothed belt and the contact characteristic parameter of the driving wheel and tensioning wheel, the drive
Driving wheel feature and tensioner features include its rotary inertia, size, rigidity, damping and friction parameter, the pitch variable bearings feature
Including moment of friction parameters of formula and bearing all directions stiffness characteristics parameter；
When establishing hydraulic variable propeller system model, the structure feature includes：Hydraulic device feature.
7. emulation mode according to claim 6, which is characterized in that
When establishing gear pitch-controlled system model, the structure feature further includes the flexibility feature of gear.
8. emulation mode according to claim 3 or 4, which is characterized in that
When establishing the yaw system model of wind-driven generator, the structure feature includes：Gear feature, yaw bearing feature, partially
Navigate motor characteristic, brake block friction parameter and brake pressure, wherein, the gear feature includes its modulus, the number of teeth, reference circle
Diameter, modification coefficient.
9. emulation mode according to claim 8, which is characterized in that
When establishing the yaw system model of wind-driven generator, the structure feature further includes：The flexibility of gear, yaw bearing it is firm
The deformation behaviour of degree and brake disc.
10. according to the emulation mode described in any one in claim 1-4, which is characterized in that the boundary condition parameter packet
Include operating mode arrange parameter, edge load, control signal and wind-driven generator operating parameter.
11. according to the emulation mode described in any one in claim 1-4, which is characterized in that the subsystem of wind-driven generator
The behavioral characteristics of all parts include：The limit of all parts of the subsystem of wind-driven generator under complete machine load working condition carries
Lotus, fatigue load, displacement, speed and acceleration.
12. according to the emulation mode described in any one in claim 1-4, which is characterized in that the emulation mode further includes：
The behavioral characteristics of acquisition are counted and assessed.
13. the emulator of the subsystem behavioral characteristics of a kind of wind-driven generator, which is characterized in that the emulator includes：
Boundary condition parameter extraction module (10), according to the LOAD FOR under complete machine load working condition as a result, extraction boundary condition ginseng
Number；
Modular converter (11) carries out data conversion using data conversion tools to the boundary condition parameter of extraction；
Model building module (12) establishes the subsystem model of wind-driven generator using general many-body dynamics tool；
Transformed boundary condition parameter is applied to the subsystem model of wind-driven generator by behavioral characteristics acquisition module (13),
Complete machine load working condition is calculated using general many-body dynamics tool needle to obtain behavioral characteristics.
14. emulator according to claim 13, which is characterized in that modular converter (11) will using data conversion tools
Boundary condition parameter processing is the parameter or input file that general many-body dynamics tool can identify.
15. emulator according to claim 13, which is characterized in that model building module (12) establishes wind-driven generator
Pitch-controlled system model and/or wind-driven generator yaw system model.
16. emulator according to claim 13, which is characterized in that model building module (12) is based on wind-driven generator
The structure feature of each component of subsystem the subsystem model of wind-driven generator is established using general many-body dynamics tool.
17. emulator according to claim 15 or 16, which is characterized in that model building module (12) establishes gear change
Oar system model establishes toothed belt pitch-controlled system model and/or establishes hydraulic variable propeller system model.
18. emulator according to claim 17, which is characterized in that
When model building module (12) establishes gear pitch-controlled system model, the structure feature includes：Gear feature, pitch axis
Feature and variable pitch moment of friction are held, wherein, the gear feature includes its modulus, the number of teeth, reference diameter and modification coefficient；
When model building module (12) establishes toothed belt pitch-controlled system model, the structure feature includes：Driving wheel feature is opened
Bearing up pulley feature, toothed belt feature, pitch control signal and pitch variable bearings feature, wherein, the toothed belt feature include line density,
Tensible rigidity, pretightning force, shear layer width, the contact with the driving wheel and tensioning wheel of shear layer thickness and the toothed belt
Characteristic parameter, the driving wheel feature and tensioner features include its rotary inertia, size, rigidity, damping and friction parameter, institute
It states pitch variable bearings feature and includes moment of friction parameters of formula and bearing all directions stiffness characteristics parameter；
When model building module (12) establishes hydraulic variable propeller system model, the structure feature includes：Hydraulic device feature.
19. emulator according to claim 18, which is characterized in that
When model building module (12) establishes gear pitch-controlled system model, the flexibility that the structure feature further includes gear is special
Sign.
20. emulator according to claim 15 or 16, which is characterized in that
When model building module (12) establishes the yaw system model of wind-driven generator, the structure feature includes：Gear is special
Sign, yaw bearing feature, yaw motor feature, brake block friction parameter and brake pressure, wherein, the gear feature includes
Its modulus, the number of teeth, reference diameter, modification coefficient.
21. emulator according to claim 20, which is characterized in that
When model building module (12) establishes the yaw system model of wind-driven generator, the structure feature further includes：Gear
Flexibility, the deformation behaviour of the rigidity of yaw bearing and brake disc.
22. according to the emulator described in any one in claim 13-16, which is characterized in that boundary condition parameter extraction
The boundary condition parameter of module (10) extraction includes operating mode arrange parameter, edge load, control signal and wind-driven generator operation
Parameter.
23. according to the emulator described in any one in claim 13-16, which is characterized in that the subsystem of wind-driven generator
The behavioral characteristics of all parts of system include：The limit of all parts of the subsystem of wind-driven generator under complete machine load working condition
Load, fatigue load, displacement, speed and acceleration.
24. according to the emulator described in any one in claim 13-16, which is characterized in that the emulator also wraps
It includes：The behavioral characteristics of acquisition are counted and are assessed by statistics and evaluation module (14).
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