CN208456778U - A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control - Google Patents
A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control Download PDFInfo
- Publication number
- CN208456778U CN208456778U CN201820645313.6U CN201820645313U CN208456778U CN 208456778 U CN208456778 U CN 208456778U CN 201820645313 U CN201820645313 U CN 201820645313U CN 208456778 U CN208456778 U CN 208456778U
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- conversion module
- piston cylinder
- control
- analog quantity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Feedback Control In General (AREA)
Abstract
The utility model provides a kind of hydraulic variable propeller system of medium wind-driven generator based on OPC control, pitch control device includes analog quantity/digital quantity conversion module, digital quantity/analog quantity conversion module, programmable controller and amplifier, digital quantity/analog quantity conversion module is successively connect with amplifier, proportional velocity regulating valve, proportional velocity regulating valve is connected to rack piston cylinder, digital quantity/analog quantity conversion module and ratio solenoid directional control valve connect, and ratio solenoid directional control valve is connect with rack piston cylinder；Analog quantity/digital quantity conversion module is connected with the displacement sensor on rack piston cylinder, rack piston cylinder and blade shaft coupling tooth engagement.The utility model beneficial effect is that structure is simple, low in cost, and the simulation modeling and pitch control process of pneumatic equipment bladess may be implemented；Realization theory and actual combination, control precision it is higher, be suitable for scientific research and teaching so that Flutter Suppression and pitch process specifically, image, be conducive to the research and development and popularization of wind turbine technology.
Description
Technical field
The utility model relates to the hydraulic vane change technical field of wind-driven generator more particularly to it is a kind of based on OPC control
The hydraulic variable propeller system of medium wind-driven generator.
Background technique
Flutter failure brought by the blade gas bullet of wind-driven generator is unstable, is pneumatic equipment bladess face during the work time
The major issue faced.Since wind-driven generator is bulky, and cost of manufacture is high, for many R&D institutions, carries out
Practical wind tunnel test is extremely difficult, this is that wind turbine technology field must face and one of the difficult point overcome.
Correlative study typically for wind energy conversion system, especially blade is mostly by traditional pure digi-tal emulation platform, mainly
The starting point is theoretical calculation and analysis, but it is practical inconsistent with theory or the phenomenon that differ farther out to be inevitable appearance.
In terms of intelligent control, the control algolithm that previous wind energy conversion system control field uses is relatively simple, on present various working and ground
Under the reality of manage bar part, the uncertainty of many control effects is faced.Also, it relates to wind energy conversion system theory analysis field is less
And control practical implementation, only theoretically reasoning and decision as a result, lacking actual verification, and verification process complexity is hidden
Dark, experimental model Parameters variation process is mostly not known.Furthermore, it is also contemplated that conventional hydraulic vane change control is based on energy
The power control most preferably obtained is measured, gas bullet Flutter Control is seldom conceived to, and is related to the mutual conversion and module of multi-signal
Between communication, traditional control method also has certain limitation, and hydraulic variable propeller system has hysteresis quality physically again.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of liquid of medium wind-driven generator based on OPC control
Buckling oar system.
To achieve the above object, the utility model adopts the following technical solutions:
A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control, including air velocity transducer, pitch control
Device, hydraulic synchronization circuit, rack piston cylinder and computer；
Pitch control device includes analog quantity/digital quantity conversion module, digital quantity/analog quantity conversion module, PLC technology
Device and amplifier, the analog quantity/digital quantity conversion module, the digital quantity/analog quantity conversion module, the PLC technology
Device is successively linked in sequence, and the programmable controller is connected to computer；
The digital quantity/analog quantity conversion module is successively connect with amplifier, proportional velocity regulating valve, and the proportional velocity regulating valve connects
It is connected to the rack piston cylinder, the digital quantity/analog quantity conversion module is also connect with the ratio solenoid directional control valve, the ratio
Example solenoid directional control valve is connected with the rack piston cylinder；
The analog quantity/digital quantity conversion module is also connected with the displacement sensor on the rack piston cylinder, the tooth
Piston cylinder is meshed with blade joint shaft gear；
Hydraulic synchronization circuit includes ratio solenoid directional control valve and two hydraulic synchronization point circuits.
The technical solution of the utility model further includes that hydraulic pump is through the ratio solenoid directional control valve and two hydraulic synchronizations point
Circuit is connected, and each hydraulic synchronization point circuit includes the bridge type return of four check valves, proportional velocity regulating valve composition,
In, the speed governing valve function in two hydraulic separate circuits is different, and one is stream of the proportional velocity regulating valve for matching ratio solenoid directional control valve
Amount, another speed governing valve then require the opening for tracking previous speed governing valve to change, two hydraulic cylinders may be implemented according to control
Synchronization action, and safety action precision.
The technical solution of the utility model further includes, each hydraulic synchronization divide circuit respectively with a rack piston cylinder
It is connected, the rack piston cylinder passes through a counterbalance valve and is connected to the hydraulic pump.
The technical solution of the utility model further includes that piston rod is equipped in the rack piston cylinder, shown piston rod with
Shown blade joint shaft gear is meshed.
The technical solution of the utility model further includes that the quantity of the blade joint shaft gear of setting is two, is used for band
Movable vane piece makes variable pitch movement.
The core of OPC technology is to carry out the modeling of gas bullet and intelligent control using the MATLAB/SIMULINK in host computer
On the one hand algorithm constantly obtains the ginseng in real time such as wind speed, displacement from the central processing unit of programmable controller (PLC CPU) module
On the one hand number constantly sends CPU for control command；Pitch control device obtains control command from host computer, sends to simultaneously
Proportion magnetic valve meets two rack piston cylinders, two sharfs of synchronous driving with proportional velocity regulating valve.
On the one hand two-way OPC technology obtains real-time analog signals from CPU, on the other hand completes the gas bullet system of blade
Modeling, and the intelligent control based on fuzzy-adaptation PID control is realized to the unstable gas bullet behavior of diverging of blade, finally control is required
It is sent to CPU, is acted by the further drive hydraulic system principle of CPU.
Though pitch control device have conventional wind machine variable pitch action drives behavior, its essence is based on gas bullet control and
It is not conventional power control, control program is provided by host computer completely；Its another feature is by comparative example solenoid valve and ratio
The double control of example speed governing valve, to realize that the rack piston cylinder of twayblade moves synchronously.
Hydraulic system makes the aperture and ratio of a proportional velocity regulating valve after receiving the order of pitch control device automatically
The flow that solenoid directional control valve is passed through matches, and another proportional velocity regulating valve then tracks the valve of previous proportional velocity regulating valve at any time
Aperture changes and realizes and move synchronously, and realizes that the control signal moved synchronously is entirely derived from pitch control device, guarantees to synchronize
The intelligent control algorithm for controlling signal accuracy derives from host computer.
The blade of medium-sized wind energy conversion system is the length of 15m or so, is suitable for hydraulic system and carrys out the realization change of drive rack piston cylinder
Paddle can be effectively prevented from hydraulic lag than the Normal hydraulic cylinder driven using large-scale slider-crank mechanism using rack piston cylinder
Phenomenon.
The utility model has the beneficial effects that the simulation modeling of pneumatic equipment bladess may be implemented and variable pitch (away from) controlled
Journey；
1, it is directed to prior art defect, makes the modeling of gas bullet, Intelligent Control Theory, the correlative study of wind energy conversion system hydraulic vane change and reality
Border combines, and realizes blade gas bullet Flutter Suppression, and the variation of the displaying procedure parameter and experiment parameter of image, takes and build reality
Border control system, the gentle mode for playing the HWIL simulation control that theoretical model and simulation processing combines, create a kind of new
The platform combination of type experiment and scientific research, to realize the variable pitch control for using two blade wind motors of medium-sized hydraulic vane change
System；Theoretical and actual combination may be implemented, it may be difficult to which the part for carrying out real experiment is modeled using blade theory gas bullet and intelligence
It can control to replace, remaining lower-cost hydraulic vane change part uses actual hardware, and experimental cost, and energy can be greatly reduced
It is enough intuitively to observe control effect and control parameter change procedure；
2, the utility model structure is simple, low in cost, the cost of controller hardware required for can greatly reducing, because
MATLAB/SIMULINK emulation host computer is powerful, can substitute the central processing unit of multiple programmable controllers simultaneously
The combination of (PLC CPU) hardware；
3, this experiment porch control precision is higher, because CPU hardware institute may be implemented in MATLAB/SIMULINK emulation host computer
The intelligent control algorithm that can not be directly realized by；
4, this experiment porch can simulate the working condition with simulated wind machine, be highly suitable for scientific research and teaching, lead to
Cross OPC technology and realize communication between PLC, MATLAB, carry out the modeling and simulation of half platform in kind so that Flutter Suppression and
Pitch process specifically, image, be conducive to the research and development and popularization of wind turbine technology.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model hydraulic executing system schematic diagram；
Fig. 3 is the utility model middle rack piston cylinder structure schematic diagram.
Wherein, 1- wind regime, 2- air velocity transducer, 3- analog quantity/digital quantity conversion module, 4- digital quantity/analog quantity conversion
Module, 5- programmable controller, 6- computer, 7- amplifier, 8- proportional velocity regulating valve, 9- rack piston cylinder, 10- blade shaft coupling tooth
Wheel, 11- hydraulic pump, 12- ratio solenoid directional control valve, 13- check valve, 14- counterbalance valve, 15- displacement sensor, 16- piston rod.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
Every other embodiment obtained, fall within the protection scope of the utility model.
As shown in Figure 1, a kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control, including wind speed sensing
Device 2, pitch control device, hydraulic synchronization circuit, rack piston cylinder 9 and computer 6；Pitch control device includes analog quantity/digital quantity
Conversion module 3, digital quantity/analog quantity conversion module 4, programmable controller 5 and amplifier 7, analog quantity/digital quantity conversion module
3, digital quantity/analog quantity conversion module 4, programmable controller 5 are successively linked in sequence, and programmable controller 5 is connected to computer
6；Digital quantity/analog quantity conversion module 4 is successively connect with amplifier 7, proportional velocity regulating valve 8, and it is living that proportional velocity regulating valve 8 is connected to rack gear
Plug cylinder 9, digital quantity/analog quantity conversion module 4 are also connect with ratio solenoid directional control valve 12, and ratio solenoid directional control valve 12 and rack gear are living
Plug cylinder 9 is connected；Analog quantity/digital quantity conversion module 3 is also connected with the displacement sensor 15 on rack piston cylinder 9, and rack gear is living
Plug cylinder 9 is meshed with blade joint shaft gear 10；Hydraulic synchronization circuit includes ratio solenoid directional control valve 12 and two hydraulic synchronizations point
Circuit.
Particularly, hydraulic pump 11 is connected through ratio solenoid directional control valve 12 with two hydraulic synchronization point circuits, each hydraulic
Synchronize point circuit and include the bridge type return of four check valves, 13, proportional velocity regulating valves 8 composition, wherein two hydraulic separate circuits
In speed governing valve function it is different, one is flow that proportional velocity regulating valve 8 is used to matching ratio solenoid directional control valve 12, another speed regulation
Valve then requires the opening for tracking previous speed governing valve to change according to control, and the synchronization action of two hydraulic cylinders may be implemented, and
Safety action precision.
Particularly, each hydraulic synchronization point circuit is connected with a rack piston cylinder 9 respectively, and rack piston cylinder 9 is logical
It crosses a counterbalance valve 14 and is connected to hydraulic pump 11.
Particularly, as shown in figure 3, being equipped with piston rod 16 in rack piston cylinder 9, piston rod 16 and blade joint shaft gear 10
It is engaged.
Particularly, the quantity of the blade joint shaft gear 10 of setting is two, makes variable pitch movement for band movable vane piece.
As shown in Figure 1, wind regime 1 provides wind speed input in system work, air velocity transducer 2 detects wind velocity signal
The signal is changed into analog signals afterwards and is transmitted to analog quantity/digital quantity conversion module 3, wind velocity signal is changed by the latter can
The identifiable electric signal of programmable controller 5 carries out signal processing, and programmable controller 5 is communicated and controlled with computer 6, counts
It is handled in calculation machine 6 by the intelligent control algorithm of the blade air spring pole and load established in MATLAB/SIMULINK, it can
Using two-way OPC technology when the MATLAB/SIMULINK run in programmable controller 5 and computer 6 is communicated, pass through
OPC module in MATLAB/SIMULINK and the computer data switch mode software (PC being mounted on computer 6
Access) software works, and the program in PLC technology is completed by Step7-Micro/Win.
Treated, and control amount signal is used as output, is output to digital quantity/analog quantity modulus of conversion by programmable controller 5
Block 4 is changed into analog signals, on the one hand which acts on proportional reversing valve, on the other hand passes through amplifier 7
Signal enhanced processing is carried out, then the amplified signal, which acts on proportional velocity regulating valve 8, carries out valve control movement to control opening flow
Size realizes flow matches and synchronized tracking (sliding mode control algorithm of the synchronized tracking algorithm in host computer), to control
The movement of rack piston cylinder 9 processed and direction；Selected rack piston cylinder 9 may be implemented to reciprocate to the conversion of rotation, from
And the blade joint shaft gear 10 being meshed with rack gear is driven to rotate, carry out variable pitch movement, the displacement being mounted on rack piston cylinder 9
Sensor 15 carries out the feedback of displacement signal, and the feedback signal as control system helps to carry out the processing of control algolithm.
When hydraulic executing system works, for hydraulic cylinder as power source, solenoid directional control valve connects suspension control signal to change oil circuit
Flow direction, and then change the direction of paddle movement, hydraulic pump 11 is transmitted to hydraulic synchronization action circuit, liquid after solenoid directional control valve
Pressure synchronization loop to build mode as shown in Figure 2.A hydraulic synchronization point circuit includes four check valves, 13, proportionality velocity modulations
The bridge type return that valve 8 forms, which may be implemented the synchronization action of two hydraulic cylinders, and operation precision is higher；Counterbalance valve 14 mentions
Increase robust motion for back pressure and avoids hydraulic shock.Hydraulic cylinder is by being divided to circuit to be applied to two rack piston cylinders respectively
9, there is piston rod 16 in rack piston cylinder 9, piston rod 16 can be engaged with blade joint shaft gear 10.Displacement passes at the same time
Sensor 15 can carry out the feedback of displacement signal, which feeds back to analog quantity/digital quantity conversion module 3, be then transmitted to change
Paddle controller is handled with computer 6, and auxiliary completes feather process.
The software and hardware system of OPC control is described below:
The computer 6 of the modeling of simulation blade gas bullet and control includes: one equipped with Step7-Micro/Win software and calculating
The computer 6 of machine data exchange mode software (PC Access), MATLAB/SIMULINK, Step7-Micro/Win software are used
In programming and write-in for programmable controller 5；Computer data switch mode software (PC Access) can define PLC-
The variable of host computer interaction, and start opc server (OPC Server)；MATLAB/SIMULINK simulation software is in addition to gas
Bullet modeling and intelligent control algorithm are realized outside real-time simulation, also to be opened and be connected opc server (OPC Server), separately there is one
The S7-200CPU module of platform Siemens, variable-definition will be with computer data switch mode software (PC Access) phases
Match, 485 mouthfuls of connection host computers of CPU module, the programmable device of another 485 mouthfuls connection PLC, realizes OPC communication, i.e., in fact
Now from the data exchange of computer 6 and the central processing unit (PLC CPU) of 5 programmable controller of programmable controller, by gas
It plays system model and intelligent control planning is run in MATLAB simulated environment completely, the output of controlled air spring pole passes through
PLC-OPC server (OPC Server) communication, utilizes " the write operation module (OPC Write) of OPC " module of SIMULINK
It is input in the corresponding memory of PLC；And the driving signal that PLC is issued is defeated by " read operation module (OPC Read) of OPC " module
It feeds back in air spring pole and intelligent control algorithm out；The meaning of two-way OPC control technology is exactly that signal incessantly will be from host computer
It moved opc server (OPC Server) and is sent to PLC, and also to pass through opc server (OPC Server) from PLC technology
Central processing unit (PLC CPU) feedback of device arrives MATLAB/SIMULINK simulated environment.
The central processing unit (PLC CPU) of programmable controller is worked out and is issued through MATLAB/ in computer 6
The discrete control signal that the control algolithm of SIMULINK load generates, is changed into electricity by digital quantity-analog quantity conversion module
Signal, by the way that the electric signal is loaded into ratio solenoid directional control valve 12 and ratio after the enhanced processing of the progress electric signal of amplifier 7
On speed governing valve 8, the former can change flow of the hydraulic oil by valve by the strong and weak of electric signal, by a speed governing valve above-mentioned
After the processing of the flow tracking of flow matches and another speed governing valve, the hydraulic oil drive rack piston cylinder 9 through valve control, which moves, to be carried out
It moves back and forth, to change the rotational angle for the blade joint shaft gear 10 being engaged with, executes two-way variable pitch movement.It is living in rack gear
In 9 motion process of plug cylinder, the immediate feedback of displacement signal is carried out by the displacement sensor 15 being mounted on hydraulic cylinder, as control
The feedback signal of system processed helps to carry out the processing of control algolithm.The displacement signal is transferred to by analog quantity-digital module
Programmable controller 5, MATLAB/SIMULINK read the displacement signal by OPC technology to being handled, remaining part
There are connector, such as oil pipe, does not refer to that the setting quantity of part is one (set).
Rack piston cylinder 9 drives vane propeller-changing to be suitable for medium-sized pneumatic equipment bladess, and corresponding hydraulic system is also suitable for
Medium-sized pneumatic equipment bladess, after intelligent control algorithm is handled, practice result shows: large scale wind power machine leaf can be effectively avoided
The hydraulic hysteresis quality of the hydraulic variable propeller system of piece.
Two-way OPC technology, the modeling of gas bullet and intelligent control algorithm two parts have been merged in simulated environment, and communication is realized
By above-mentioned Step7-Micro/Win software and computer data switch mode software (PC Access), MATLAB/SIMULINK
Opc server (OPC Server) that simulation software is defined via computer data switch mode software (PC Access) leads to
News, hardware then include S7-200CPU and host computer two parts, and the modeling of gas bullet discusses method, intelligent control algorithm packet using foline
Include the intelligent PID algorithm based on the control of gas bullet and sliding mode control algorithm two parts based on synchronized tracking.Intelligent PID Control is calculated
Method, using optimal Fuzzy PID, Optimum Theory is used to adjust the parameter of PID, and fuzzy process is then used to control
Pitch movement, another substantive characteristics for being different from conventional variable pitch is by the waving of variable pitch angle and blade/shimmy displacement phase
It connects, rather than (conventional) connection blade is displaced with the revolving speed of wind wheel, to reach more accurate gas bullet flutter suppression
Effect processed.
Ratio solenoid directional control valve 12 and proportional velocity regulating valve 8, the synchronizing function of double control rarely has in the literature to be referred to, this
The driving realization of synchronously control is executed by pitch control device in design.
Working principle are as follows: in order to make emulation with actually combining, the utility model will be not easy the blade emulated and intelligence control
System part carries out the modeling of computer 6 and Digital Simulation, and variable pitch movement engineering is completed part and is built with actual module, can be completed
From the good combination of theory into action.
The course of work of the utility model is as follows:
The sense of air velocity transducer 2 converts electric signal for wind speed and is transmitted to analog quantity/digital quantity in pitch control device and turns
To be changed into the electric signal that programmable controller 5 can be identified and be handled, the wind velocity signal perceived passes through mold changing block 3
The OPC of programmable controller 5 and computer 6 is communicated and the signal is input to MATLAB/SIMULINK environment, is blade gas bullet
Emulation inputs initial action wind speed and is emulated, and programmable controller 5 is communicated with computer 6 by OPC technology, can be real
Existing programmable controller 5 directly carries out the output of control signal to the leaf model in MATLAB/SIMULINK, and control process exists
It is realized in MATLAB/SIMULINK by load intelligent control algorithm；The discrete control signal that programmable controller 5 is exported
It is changed into electric signal by digital quantity/analog quantity conversion module 4, on the one hand which is applied on ratio solenoid directional control valve 12
On the other hand face is acted on proportional velocity regulating valve 8 by the signal enhanced processing of amplifier 7, carried out by the size of electric signal
Valve control movement, to change speed and the direction of the reciprocating action for the rack piston cylinder 9 being attached thereto respectively；Rack piston cylinder 9
The conversion of straight reciprocating motion to reciprocating rotation may be implemented, hydraulic synchronization process is by a proportion magnetic valve and two ratio tune
Fast valve 8, controls according to INTELLIGENT PID CONTROL ALGORITHM, the high-precise synchronization movement of two hydraulic cylinders may be implemented, in rack piston
In 9 motion process of cylinder, the immediate feedback of displacement signal is carried out by the displacement sensor 15 being mounted on hydraulic cylinder, as control
The feedback signal of system helps to carry out the processing of control algolithm, which is transferred to by analog quantity/digital module can
Programmable controller 5, MATLAB/SIMULINK read the displacement signal by OPC technology to be handled.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model, are also answered
Belong to the protection scope of the utility model.
Claims (5)
1. a kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control, which is characterized in that sensed including wind speed
Device, pitch control device, hydraulic synchronization circuit, rack piston cylinder and computer；
Pitch control device include analog quantity/digital quantity conversion module, digital quantity/analog quantity conversion module, programmable controller and
Amplifier, the analog quantity/digital quantity conversion module, the digital quantity/analog quantity conversion module, the programmable controller according to
Secondary sequential connection, the programmable controller are connected to computer；
The digital quantity/analog quantity conversion module is successively connect with amplifier, proportional velocity regulating valve, and the proportional velocity regulating valve is connected to
The rack piston cylinder, the digital quantity/analog quantity conversion module are also connect with the ratio solenoid directional control valve, the ratio electricity
Magnetic reversal valve is connected with the rack piston cylinder；
The analog quantity/digital quantity conversion module is also connected with the displacement sensor on the rack piston cylinder, and the rack gear is living
Plug cylinder is meshed with blade joint shaft gear；
Hydraulic synchronization circuit includes ratio solenoid directional control valve and two hydraulic synchronization point circuits.
2. a kind of hydraulic variable propeller system of medium wind-driven generator based on OPC control as described in claim 1, feature exist
In hydraulic pump is connected through the ratio solenoid directional control valve with two hydraulic synchronization point circuits, and each hydraulic synchronization divides circuit equal
The bridge type return formed including four check valves, a proportional velocity regulating valve.
3. a kind of hydraulic variable propeller system of medium wind-driven generator based on OPC control as claimed in claim 2, feature exist
In each hydraulic synchronization point circuit is connected with a rack piston cylinder respectively, and the rack piston cylinder passes through one
Counterbalance valve is connected to the hydraulic pump.
4. a kind of hydraulic variable propeller system of medium wind-driven generator based on OPC control as claimed in claim 3, feature exist
In being equipped with piston rod in the rack piston cylinder, shown piston rod is meshed with shown blade joint shaft gear.
5. a kind of hydraulic variable propeller system of medium wind-driven generator based on OPC control as described in claim 1, feature exist
In the quantity of the blade joint shaft gear of setting is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645313.6U CN208456778U (en) | 2018-05-03 | 2018-05-03 | A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820645313.6U CN208456778U (en) | 2018-05-03 | 2018-05-03 | A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208456778U true CN208456778U (en) | 2019-02-01 |
Family
ID=65150440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820645313.6U Expired - Fee Related CN208456778U (en) | 2018-05-03 | 2018-05-03 | A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208456778U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109704223A (en) * | 2019-03-01 | 2019-05-03 | 中铁工程装备集团有限公司 | A kind of novel shield machine section of jurisdiction transport trolley hydraulic synchronous control system |
| CN109902384A (en) * | 2019-02-28 | 2019-06-18 | 上海交通大学 | A kind of wind energy conversion system flexible blade pre-bending pre-twist design method based on air spring pole |
| CN111123699A (en) * | 2019-12-25 | 2020-05-08 | 珠海格力电器股份有限公司 | Control parameter optimization method and device based on dynamic simulation |
| CN112196727A (en) * | 2020-10-28 | 2021-01-08 | 山东科技大学 | Stall nonlinear flutter suppression type wind turbine blade and flutter suppression system |
-
2018
- 2018-05-03 CN CN201820645313.6U patent/CN208456778U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109902384A (en) * | 2019-02-28 | 2019-06-18 | 上海交通大学 | A kind of wind energy conversion system flexible blade pre-bending pre-twist design method based on air spring pole |
| CN109902384B (en) * | 2019-02-28 | 2023-06-30 | 上海交通大学 | Wind turbine flexible blade pretwisting design method based on aeroelastic model |
| CN109704223A (en) * | 2019-03-01 | 2019-05-03 | 中铁工程装备集团有限公司 | A kind of novel shield machine section of jurisdiction transport trolley hydraulic synchronous control system |
| CN111123699A (en) * | 2019-12-25 | 2020-05-08 | 珠海格力电器股份有限公司 | Control parameter optimization method and device based on dynamic simulation |
| CN112196727A (en) * | 2020-10-28 | 2021-01-08 | 山东科技大学 | Stall nonlinear flutter suppression type wind turbine blade and flutter suppression system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208456778U (en) | A kind of hydraulic variable propeller system of the medium wind-driven generator based on OPC control | |
| CN105610350B (en) | A kind of gap synchronisation control means that disappears for dual-servo-motor system | |
| CN107127751B (en) | Articulated manipulator controls integral control system and control method | |
| CN107345535B (en) | A kind of flow pressure divides chamber to coordinate control load simulation method | |
| CN105700380B (en) | Double reheat power generation sets turbine regulating system simulation model and its modeling method | |
| CN107179682A (en) | A kind of passive type load simulator and Surplus Moment suppressing method | |
| CN103701368A (en) | Dual-motor energy-saving anti-backlash control method | |
| CN103309236B (en) | The two diesel main engine Solid rocket engine hardware-in-loop simulation system of a kind of boats and ships | |
| CN103984327B (en) | Small digital actuator system based on fuzzy control | |
| CN109828467B (en) | Data-driven unmanned ship reinforcement learning controller structure and design method | |
| CN204832853U (en) | Many interfaces motion control ware | |
| CN101706648A (en) | Design method of motion controller based on RCP and DSP | |
| CN114859701B (en) | Wind tunnel large attack angle device and control system | |
| CN103383577A (en) | Pressure regulation and control system of pressure regulating valve | |
| CN107290978A (en) | A kind of helicopter flight simulation method and system | |
| CN105182942A (en) | Servo-based master-slave position synchronous control system and method | |
| CN204229676U (en) | A kind of cigarette machine teaching simulated experiment platform | |
| CN110119591B (en) | Oil motor simulation device | |
| CN103388602B (en) | Cooperative type high-precision hydraulic pressure double-cylinder synchronizing system and control method thereof | |
| CN107975458B (en) | A kind of analogy method of the wind energy conversion system Flexible Transmission characteristic based on torque closed-loop control | |
| CN101644625B (en) | Test device for steam turbine digital electrohydraulic control system | |
| CN108549207A (en) | A kind of method of Adaptive System of Water-Turbine Engine control parameter | |
| CN108255069A (en) | A kind of electric system-Hydropower Unit associative simulation apparatus and method | |
| CN202886926U (en) | Multi-servodrive control system for plating lines | |
| CN103001553A (en) | Permanent-magnet synchronous motor full-digital alternating-current servo system based on DSP (digital signal processor) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190201 Termination date: 20200503 |