CN104265579A - Flexible simulation test method and system of pitch system - Google Patents
Flexible simulation test method and system of pitch system Download PDFInfo
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- CN104265579A CN104265579A CN201410468901.3A CN201410468901A CN104265579A CN 104265579 A CN104265579 A CN 104265579A CN 201410468901 A CN201410468901 A CN 201410468901A CN 104265579 A CN104265579 A CN 104265579A
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- 238000004088 simulation Methods 0.000 title claims abstract description 116
- 238000010998 test method Methods 0.000 title abstract 4
- 238000012360 testing method Methods 0.000 claims abstract description 75
- 230000009467 reduction Effects 0.000 claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 24
- 238000000034 method Methods 0.000 claims description 20
- 230000008859 change Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 19
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- 230000008878 coupling Effects 0.000 claims description 9
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- 230000001360 synchronised effect Effects 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000004936 stimulating effect Effects 0.000 abstract 2
- 230000000638 stimulation Effects 0.000 abstract 1
- 238000012795 verification Methods 0.000 description 9
- 238000013461 design Methods 0.000 description 5
- 230000000452 restraining effect Effects 0.000 description 4
- 238000012827 research and development Methods 0.000 description 3
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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Abstract
The invention discloses a flexible simulation test method and system of a pitch system. The flexible simulation test method comprises the following steps of stimulating a main control system of the pitch system to be tested; stimulating the external work conditions of the pitch system to be tested; setting the transmission chain reduction ratio of a variable pitch hub for the pitch system to be tested according to a fan model; testing the internal operation conditions of the pitch system to be tested based on the stimulated main control system and external work conditions; obtaining operation data of the pitch system to be tested. According to the flexible simulation test method and system of the pitch system, full-work-condition stimulation tests under different transmission chain reduction ratios can be performed on the pitch system.
Description
Technical field
The present invention relates to technical field of wind power, particularly a kind of flexible analog detection method of pitch-controlled system and system.
Background technique
Pitch-controlled system is the important component part of wind-driven generator (abbreviation blower fan); pitch-controlled system controls the rotating speed of wind wheel by the angle controlling blade; and then control the output power of blower fan, and fan safe can be shut down by the mode of aerodynamic braking.Such as, pitch-controlled system can adjust angle between blade and wind direction automatically according to the size of wind speed, and realizing wind wheel has a constant rotational speed relative to fan engine room; In addition, blade feathering can also be controlled parallel with wind direction, realize fan parking.
Pitch-controlled system integral installation is on axial fan hub, specifically, the outer ring of pitch variable bearings (pivoting support) is fixedly installed on wheel hub, the root of blade of blower fan is fixedly installed on the inner ring of pitch variable bearings (pivoting support), change oar drive unit and wheel hub are fixed, and the clutch end becoming oar drive unit is engaged with the inner ring of pitch variable bearings by a small gear.
In research and development or production process, need to carry out simulation test to pitch-controlled system, at present, usually need after pitch-controlled system is installed to axial fan hub, just can carry out the test of system functional verification and combination property.But, the problem that this method can not find existing for pitch-controlled system in the design phase in early stage.And, carry out verification experimental verification at the scene and not only may cause to complete machine unit the risk that can not estimate, also add the debugging cycle of system exploitation, affect the design cycle of new product.
For the ease of the research and development debugging efforts of pitch-controlled system, in research and development laboratory, generally leave a set of change propeller hub as debugging application.But the present inventor finds:
1) reduction speed ratio (be called for short and become oar Transmitted chains reduction speed ratio) owing to becoming in blower fan on oar drive chain is different, change propeller hub in laboratory is difficult to carry out actual verification to the performance of the pitch-controlled system of all models, after actual verification can only wait until the design that hub design production department completes wheel hub and processing, just can carry out the performance verification of pitch-controlled system, therefore cannot ensure the quality of whole project process and feather product.
2) in the pitch-controlled system testing property process of reality, due to the outside association operating mode not having effective instrument to simulate pitch-controlled system, so simply can only test the drive performance of pitch-controlled system, but verification experimental verification cannot be carried out to the operation conditions of pitch-controlled system under actual conditions.
Summary of the invention
In view of this, the object of the embodiment of the present invention is the flexible analog detection method and the system that propose a kind of pitch-controlled system, can carry out the full-year simulation test under different Transmitted chains reduction speed ratio to pitch-controlled system.
The flexible analog detection method of the pitch-controlled system that the embodiment of the present invention proposes, comprises the following steps: the master control system simulating tested pitch-controlled system; Simulating the outside operating mode of tested pitch-controlled system, is that described tested pitch-controlled system arranges the Transmitted chains reduction speed ratio becoming propeller hub according to blower fan model; Based on simulated master control system and outside operating mode, test the internal operation situation of described tested pitch-controlled system, obtain the service data of described tested pitch-controlled system.
Alternatively, in certain embodiments, the flexible analog detection method of above-mentioned pitch-controlled system also comprises:
Obtained service data is compared with corresponding preset standard data, generates test result file.
Alternatively, in certain embodiments, the flexible analog detection method of above-mentioned pitch-controlled system also comprises: in the running of described tested pitch-controlled system, calculates the pivotal position value of the pitch motor be connected with described tested pitch-controlled system; The pivotal position value of more described pitch motor and the size of the simulation limit-switch positions value preset, and when determining that described pivotal position value is greater than described simulation limit-switch positions value, trigger simulation limit switch, indicates described tested pitch-controlled system to carry out the respective handling of spacing pattern; Receive and process the service data of described tested pitch-controlled system feedback.
Alternatively, in certain embodiments, the flexible analog detection method of above-mentioned pitch-controlled system also comprises: enable simulation MANUAL CONTROL mode, generates Non-follow control instruction; Receive and process described tested pitch-controlled system and operate according to described Non-follow control instruction execution the service data fed back accordingly; And/or enable simulation MANUAL CONTROL mode, the pitch motor connected by described simulation MANUAL CONTROL mode pair and described tested pitch-controlled system is synchronously made zero and arranges.
Alternatively, in certain embodiments, the master control system of the described tested pitch-controlled system of described simulation comprises at least one in following operation: simulation master control system communicates with described tested pitch-controlled system, sends corresponding control command to described tested pitch-controlled system; Simulation master control system receives the service data of described tested pitch-controlled system feedback, resolves the change oar Content of Communication between simulated master control system and described tested pitch-controlled system and shows.
Alternatively, in certain embodiments, the outside operating mode of the tested pitch-controlled system of described simulation comprises at least one in following operation: carry out load simulation, the simulation of Transmitted chains reduction speed ratio according to the outside work information arranged, 91 degree of limit switch trigger simulation of 3 axles, 94 degree of limit switch trigger simulation of 3 axles, the REDUNDANCY ENCODER synchronous axial system control simulation of 3 axles, 24V theft-resistant link chain are powered and Non-follow control is simulated; Wherein, described outside operating mode is stored in the configuration file of the flexibility testing system for testing pitch-controlled system.
Correspondingly, the embodiment of the present invention also proposes a kind of flexible simulated testing system of pitch-controlled system, and this system comprises: master control analog system, for simulating the master control system of tested pitch-controlled system, and communicate with described tested pitch-controlled system, obtain the service data of described tested pitch-controlled system; Test control system, for simulating the outside operating mode of tested pitch-controlled system, being that described tested pitch-controlled system arranges the Transmitted chains reduction speed ratio becoming propeller hub according to blower fan model, testing the internal operation situation of described tested pitch-controlled system.
Alternatively, in certain embodiments, described master control analog system comprises: communication module, for communicating with described tested pitch-controlled system, receives the service data of described tested pitch-controlled system feedback; Control module, for controlling described tested pitch-controlled system; And, for analyzing and more described service data and corresponding preset standard data, and generate test result file.
Alternatively, in certain embodiments, described tested pitch-controlled system comprises: first becomes oar cabinet, is equipped with the first tested pitch-controlled system; Second becomes oar cabinet, is equipped with the second tested pitch-controlled system; And the 3rd becomes oar cabinet, is equipped with the 3rd tested pitch-controlled system.
Wherein, described test control system comprises: frequency-variable controller is configured with frequency-changing control system; First pitch motor, its input end and described first becomes oar cabinet and is connected, and output terminal is connected with the first actuating motor; Described first actuating motor is connected with described frequency-variable controller; Second pitch motor, its input end and described second becomes oar cabinet and is connected, and output terminal is connected with the second actuating motor; Described second actuating motor is connected with described frequency-variable controller; 3rd pitch motor, its input end and the described 3rd becomes oar cabinet and is connected, and output terminal is connected with the 3rd actuating motor; Described 3rd actuating motor is connected with described frequency-variable controller; 4th actuating motor, its input end connects described frequency-variable controller, and output terminal connects the first REDUNDANCY ENCODER, and described first REDUNDANCY ENCODER is connected to the first change oar cabinet; 5th actuating motor, its input end connects described frequency-variable controller, and output terminal connects the second REDUNDANCY ENCODER, and described second REDUNDANCY ENCODER is connected to the second change oar cabinet; 6th actuating motor, its input end connects described frequency-variable controller, and output terminal connects triple redundance encoder, and described triple redundance encoder is connected to the 3rd and becomes oar cabinet.
Alternatively, in certain embodiments, described test control system also comprises: the first simulation limit switch, is arranged at described frequency-variable controller and described first and becomes between oar cabinet, for triggering the spacing pattern of described first pitch-controlled system; Second simulation limit switch, is arranged at described frequency-variable controller and described second and becomes between oar cabinet, for triggering the spacing pattern of described second pitch-controlled system; 3rd simulation limit switch, is arranged at described frequency-variable controller and the described 3rd and becomes between oar cabinet, for triggering the spacing pattern of described 3rd pitch-controlled system.
Alternatively, in certain embodiments, described test control system also comprises: simulation hand control box, is connected with described frequency-variable controller, described tested pitch-controlled system, for simulating MANUAL CONTROL mode.
Alternatively, in certain embodiments, following at least one configuration mode is adopted: described first pitch motor is connected respectively by coupling with described 3rd actuating motor with described second actuating motor, described 3rd pitch motor with described first actuating motor, described second pitch motor; Described 4th actuating motor is connected with described triple redundance encoder difference coupling with described second REDUNDANCY ENCODER, described 3rd actuating motor with described first REDUNDANCY ENCODER, described 5th actuating motor; Described tested pitch-controlled system is connected respectively by heavy-duty connector with between described simulation hand control box, described first pitch motor, described second pitch motor, described 3rd pitch motor, described first REDUNDANCY ENCODER, described second REDUNDANCY ENCODER, described triple redundance encoder; Be connected respectively by field bus communication between described frequency-variable controller with the 6th actuating motor described in described first actuating motor, described second actuating motor, described 3rd actuating motor, described 4th actuating motor, described 5th actuating motor; Connect respectively by electrical signal between described simulation hand control box, described first simulation limit switch, described second simulation limit switch, described 3rd simulation limit switch; Be connected by ethernet communication between described frequency-variable controller with described frequency-changing control system; The field bus communication of USB-CANOpen is adopted to be connected between described simulation master control system with described tested pitch-controlled system.
Relative to prior art, the present invention has following advantage:
The flexible analog detection method of the pitch-controlled system of various embodiments of the present invention and system, simulate the master control system of tested pitch-controlled system and outside operating mode thereof, and according to the rotation of the Transmitted chains reduction speed ratio analog mechanical gear arranged according to blower fan model, based on simulated master control system and outside operating mode, test the internal operation situation of tested pitch-controlled system, and obtain the service data of tested pitch-controlled system.Therefore, by the setting of Transmitted chains reduction speed ratio and adjustment, the full-year simulation test of pitch-controlled system under different Transmitted chains reduction speed ratio is realized.
Accompanying drawing explanation
The accompanying drawing of a formation embodiment of the present invention part is used to provide the further understanding to the embodiment of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
The structured flowchart of the flexible simulation test of the pitch-controlled system that Fig. 1 embodiment of the present invention provides.
Description of reference numerals
100 frequency-changing control systems
200 master control analog systems
301 first become oar cabinet
302 second become oar cabinet
303 the 3rd become oar cabinet
1 first actuating motor
2 second actuating motors
3 the 3rd actuating motors
4 the 4th actuating motors
5 the 5th actuating motors
6 the 6th actuating motors
11 first pitch motors
12 second pitch motors
13 the 3rd pitch motors
21 first REDUNDANCY ENCODER
22 second REDUNDANCY ENCODER
23 triple redundance encoders
31 first simulation limit switches
32 second simulation limit switches
33 the 3rd simulation limit switches
40 simulation hand control boxes
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the feature in the embodiment of the present invention and embodiment can combine mutually.
Below in conjunction with accompanying drawing, each preferred embodiment of the present invention is described further:
embodiment of the method
The number of drawbacks existed in pitch-controlled system test is directly carried out for utilizing the mechanical gear becoming propeller hub, such as, because the Transmitted chains reduction speed ratio of blower fan unit pivoting support is different because blower fan model is different, the performance be difficult to the pitch-controlled system to all models is caused to carry out actual verification, and, the problem single to test process Work condition analogue, the present embodiment proposes a kind of flexible analog detection method of pitch-controlled system, and the flexible analog detection method of this pitch-controlled system comprises the following steps:
S100: the master control system simulating tested pitch-controlled system.
In this step, the master control system simulating tested pitch-controlled system comprise following S1-S2 operate at least one:
S1: simulation master control system communicates with tested pitch-controlled system, sends corresponding control command to tested pitch-controlled system;
S2: simulation master control system, receives the service data of described tested pitch-controlled system feedback, resolves the change oar Content of Communication between simulated master control system and tested pitch-controlled system and show.
S102: the outside operating mode simulating tested pitch-controlled system is that described tested pitch-controlled system arranges Transmitted chains reduction speed ratio according to blower fan model.
In this step, under outside operating mode, based on electronic gear principle, according to the rotation of the Transmitted chains reduction speed ratio analog mechanical gear arranged according to blower fan model.Like this, by arranging and adjustment Transmitted chains reduction speed ratio, realize carrying out full-year simulation test to pitch-controlled system during different Transmitted chains reduction speed ratio.
Wherein, the outside operating mode simulating tested pitch-controlled system can comprise at least one in following operation: carry out load simulation, the simulation of Transmitted chains reduction speed ratio according to the outside work information arranged, 91 degree of limit switch trigger simulation of 3 axles, 94 degree of limit switch trigger simulation of 3 axles, the REDUNDANCY ENCODER synchronous axial system control simulation of 3 axles, 24V theft-resistant link chain are powered and Non-follow control is simulated.
Wherein, load simulation refers to: load dynamic load by actuating motor, resistance suffered by simulation blade.Such as, preset pitch motor by Resistance Value, Resistance Value suffered by this pitch motor is converted to loading torque load instruction by test system, frequency-variable controller is sent to connect this instruction, control to export corresponding resistant load to the actuating motor that pitch motor connects, thus, the Resistance Value of dynamic change suffered by simulation pitch motor.
S103: based on simulated master control system and outside operating mode, tests the internal operation situation of tested pitch-controlled system, obtains the service data of tested pitch-controlled system.
It should be noted that, in above-described embodiment, simulation master control system, the parameters of simulating outside operating mode etc. relevant can be stored in the configuration file of the flexibility testing system for testing pitch-controlled system.
In above-described embodiment, as the optional mode of execution of one, the flexible analog detection method of above-mentioned pitch-controlled system also can comprise the following steps:
S104: in the running of tested pitch-controlled system, calculates the pivotal position value of the pitch motor be connected with tested pitch-controlled system.
S106: compare the pivotal position value of pitch motor and the size of the simulation limit-switch positions value preset, and when determining that pivotal position value is greater than simulation limit-switch positions value, trigger simulation limit switch, indicates tested pitch-controlled system to carry out the respective handling of spacing pattern;
S107: receive and process tested pitch-controlled system feedback service data.
Such as: when pitch-controlled system is tested, 91 degree of limit-switch positions values, 94 degree of limit-switch positions values can be pre-set.Like this, if in test process, detect that tested pitch-controlled system arrives restraining position, then carry out the triggering process of corresponding limit switch according to actual conditions, thus achieve the actual conditions of 91 degree and 94 degree limit switches is simulated.
In above-described embodiment, as the optional mode of execution of one, the flexible analog detection method of above-mentioned pitch-controlled system also can comprise the following steps:
S108a: enable simulation MANUAL CONTROL mode, generates Non-follow control instruction.
S108b: receive and process tested pitch-controlled system according to received Non-follow control instruction, the service data fed back after performing corresponding operation.
Alternatively, the flexible analog detection method of above-mentioned pitch-controlled system also can comprise the following steps:
S109a: enable simulation MANUAL CONTROL mode.
S109b: the pitch motor connected by simulation MANUAL CONTROL mode pair and tested pitch-controlled system is synchronously made zero and arranges.
In above-described embodiment, as the optional mode of execution of one, the flexible analog detection method of above-mentioned pitch-controlled system also can comprise the following steps:
S110: obtained service data compared with corresponding preset standard data, generates test result file.
In the flexible analog detection method embodiment of above-mentioned pitch-controlled system, when testing pitch-controlled system, can according to blower fan model, flexible setting Transmitted chains reduction speed ratio, thus guarantee before wheel hub completes, complete the checking of the actual performance of pitch-controlled system.Like this, can test its performance after pitch-controlled system completes, without the need to waiting for completing of hub design.
In addition, above-described embodiment is by the simulation to wheel hub operating mode, realize the full test to pitch-controlled system performance, the whole outside operating mode of the pitch-controlled system that can simulate, include but not limited to following operating mode: 91 degree of limit switches of 3 axles trigger, 94 degree limit switches of 3 axles trigger, 3 axles REDUNDANCY ENCODER synchronous axial system controls, 24V theft-resistant link chain is powered, Non-follow control and signal imitation, and can ensure that the outside operating mode of simulation and the outside operating mode of tested pitch-controlled system reality are consistent.
In addition, above-described embodiment can also be simulated master control system and be sent pitch-controlled system and control communication instruction accordingly, and can complete and become oar Content of Communication and carry out resolving and showing, and all trigger actions all should be consistent with the outside operating mode of blower fan reality.
system embodiment
With reference to Fig. 1, the structured flowchart of the flexible simulated testing system of its pitch-controlled system proposed for the present embodiment.
In the present embodiment, the flexible simulated testing system of this pitch-controlled system comprises: master control analog system 200 and test control system.
Wherein: master control analog system 200 for simulating the master control system of tested pitch-controlled system, and communicates with tested pitch-controlled system, obtains the service data of tested pitch-controlled system.Test control system, for simulating the outside operating mode of tested pitch-controlled system, is that tested pitch-controlled system arranges the Transmitted chains reduction speed ratio becoming propeller hub according to blower fan model, tests the internal operation situation of tested pitch-controlled system.
In above-described embodiment, test control system based on electronic gear principle, according to the rotation of the Transmitted chains reduction speed ratio analog mechanical gear arranged according to blower fan model.Like this, by carrying out arranging to the reduction speed ratio become on oar Transmitted chains and adjusting, can realize carrying out full-year simulation test to the pitch-controlled system under different Transmitted chains reduction speed ratio.
In above-described embodiment, as the optional mode of execution of one, above-mentioned master control analog system 200 can comprise: communication module and control module; Wherein:
Communication module is used for communicating with tested pitch-controlled system, receives the service data of tested pitch-controlled system feedback.
Control module, for controlling tested pitch-controlled system, is analyzed and compares service data and corresponding preset standard data, and generating test result file.
It is pointed out that in above-described embodiment, tested pitch-controlled system can comprise: first becomes oar cabinet 301, second becomes oar cabinet 302 and the 3rd change oar cabinet 303; Wherein, the first change oar cabinet 301 is equipped with the first tested pitch-controlled system.Second becomes oar cabinet 302 is equipped with the second tested pitch-controlled system.3rd becomes oar cabinet 303 is equipped with the 3rd tested pitch-controlled system.
Optionally, in above-described embodiment, test control system can comprise: frequency-variable controller 400 (being configured with frequency variator rectification and inversion unit), frequency-changing control system 100, actuating motor, pitch motor, change oar REDUNDANCY ENCODER, simulation hand control box and simulation limit switch system etc.Wherein, frequency-changing control system 100 is provided with the Man Machine Interface between operator, Transmitted chains reduction speed ratio setting frequency variator being issued to pitch-controlled system can be completed, the setting of the trigger position of 91 degree, 94 degree limit switch signal, and when tested pitch-controlled system is in MANUAL CONTROL mode, realize the manual operation function to pitch-controlled system, such as, the zero of tested pitch motor is arranged, pitch motor is carried out synchronous setting with actuating motor.
Further, alternatively, above-mentioned test control system can include but not limited to as lower component: frequency-variable controller 400, first actuating motor 1, second actuating motor 2, the 3rd actuating motor 3, the 4th actuating motor 4, the 5th actuating motor 5 and the 6th actuating motor 6.Wherein:
Frequency-variable controller 400, is configured with frequency variator rectification and inversion unit, communicates to connect with frequency-changing control system 100.
The input end and first of the first pitch motor 11 becomes oar cabinet 301 and is connected, and output terminal is connected with the first actuating motor 1.First actuating motor 1 is connected with frequency-variable controller 400.
The input end and second of the second pitch motor 12 becomes oar cabinet 302 and is connected, and output terminal is connected with the second actuating motor 2.Second actuating motor 2 is connected with frequency-variable controller 400.
The input end and the 3rd of the 3rd pitch motor 13 becomes oar cabinet 303 and is connected, and output terminal is connected with the 3rd actuating motor 3.3rd actuating motor 3 is connected with frequency-variable controller 400.
The input end of the 4th actuating motor 4 connects frequency-variable controller 400, and output terminal connects the first REDUNDANCY ENCODER 21, first REDUNDANCY ENCODER 21 and is connected to the first change oar cabinet 301.
The input end of the 5th actuating motor 5 connects frequency-variable controller 400, and output terminal connects the second REDUNDANCY ENCODER 22, second REDUNDANCY ENCODER 22 and is connected to the second change oar cabinet 302.
The input end of the 6th actuating motor 6 connects frequency-variable controller 400, and output terminal connects triple redundance encoder 23, the triple redundance encoder 23 and is connected to the 3rd change oar cabinet 303.
In above-described embodiment, the actual speed of pitch motor is measured by the first actuating motor 1, second actuating motor 2, the 3rd actuating motor 3, and rotate according to the Transmitted chains reduction speed ratio arranged according to this rotating speed control the 4th actuating motor 4, the 5th actuating motor 5, the 6th actuating motor 6, thus achieve the simulation of the reduction speed ratio to mechanical gear.
It should be noted that, test control system carries out load simulation, the simulation of Transmitted chains reduction speed ratio according to the outside work information arranged, 91 degree of limit switch trigger simulation of 3 axles, 94 degree of limit switch trigger simulation of 3 axles, the REDUNDANCY ENCODER synchronous axial system control simulation of 3 axles, 24V theft-resistant link chain are powered and Non-follow control is simulated.
Such as, the process that test control system carries out load simulation is: preset pitch motor by Resistance Value at variable blade control system, pitch motor is converted to loading torque load instruction by Resistance Value by variable blade control system, send frequency-variable controller, frequency-variable controller, according to loading torque load instruction, controls the first actuating motor, the second actuating motor, the 3rd actuating motor exports corresponding resistant load.The moment load loaded is sent to the first pitch motor, the second pitch motor and the 3rd pitch motor as resistance by coupling, thus realizes the Resistance Value of dynamic change suffered by simulation pitch motor, i.e. the resistance of simulation suffered by blade.
Optionally, above-mentioned test control system can comprise: the first simulation limit switch 31, second simulates limit switch 32 and the 3rd simulation limit switch 33.Wherein:
First simulation limit switch 31 is arranged at frequency-variable controller 400 and first and becomes between oar cabinet 301, for triggering the spacing pattern of the first pitch-controlled system.
Second simulation limit switch 32 is arranged at frequency-variable controller 400 and second and becomes between oar cabinet 302, for triggering the spacing pattern of the second pitch-controlled system.
3rd simulation limit switch 33 is arranged at frequency-variable controller 400 and the 3rd and becomes between oar cabinet 303, for triggering the spacing pattern of the 3rd pitch-controlled system.
In above-described embodiment, the actual rotary position of pitch motor is measured by the first actuating motor 1, second actuating motor 2, the 3rd actuating motor 3, and compare with 91 degree that pre-set, 94 degree limit-switch positions, thus judge whether pitch-controlled system arrives 91 degree of restraining position or 94 degree of restraining position, thus achieve the actual conditions of 91 degree and 94 degree limit switches is simulated.
As the optional mode of execution of one, above-mentioned test control system can comprise: simulation hand control box 40, and simulation hand control box 40 is connected with frequency-variable controller 400, tested pitch-controlled system, for simulating MANUAL CONTROL mode.
Wherein, control auxiliary reclay by frequency-changing control system, the corresponding signal of simulation hand control box, thus achieve the Work condition analogue to hand control box.
It is pointed out that above-mentioned each test control system embodiment can adopt following at least one configuration mode:
1) the first pitch motor 11 is connected respectively by coupling with the 3rd actuating motor 3 with the second actuating motor 2, the 3rd pitch motor 13 with the first actuating motor 1, second pitch motor 12.
2) the 4th actuating motor 4 is connected with triple redundance encoder 23 difference coupling with the second REDUNDANCY ENCODER 22, the 3rd actuating motor 3 with the first REDUNDANCY ENCODER 21, the 5th actuating motor 5.
3) pitch-controlled system is tested object, and tested pitch-controlled system is connected respectively by heavy-duty connector with between simulation hand control box 40, first pitch motor 11, second pitch motor 12, the 3rd pitch motor 13, first REDUNDANCY ENCODER 21, second REDUNDANCY ENCODER 22, triple redundance encoder 23.
4) communicate to connect respectively by Process FieldbusROFIBUS (PROFIBUS) between frequency-variable controller 400 and the first actuating motor 1, second actuating motor 2, the 3rd actuating motor 3, the 4th actuating motor 4, the 5th actuating motor 5 the 6th actuating motor 6.
5) simulate between hand control box 40, first simulation limit switch 31, second simulation limit switch 32, the 3rd simulation limit switch 33 and connect respectively by electrical signal.
6) be connected by ethernet communication between frequency-variable controller 400 with frequency-changing control system 100.
7) simulate master control system 200 to be connected with adopting the field bus communication of USB-CANOpen between tested pitch-controlled system.
Wherein, USB-CANOpen refers to that framework for the USB formula of PC is at the Field bus of CAN (Control Area Network, control area net（CAN）) high-level communications protocol.Utilize the communication between simulation master control system 200 and tested pitch-controlled system, realize the real-time monitoring and control of the internal operation situation to tested pitch-controlled system.Meanwhile, master control system can be simulated, for pitch-controlled system sends position and speed command information.
It should be noted that, frequency-changing control system 100 can be arranged in computer with simulation master control system 200, as PC, can be considered the Background control software of simulation test.
Here in conjunction with an example, be illustrated the flexible analog detection method of above-mentioned pitch-controlled system and system, adopt the flexible simulated testing system of the pitch-controlled system of above-described embodiment, carry out flexible test to pitch-controlled system, the process of test is as follows:
When test control system is tested pitch-controlled system, Transmitted chains reduction speed ratio and 91 degree of limit-switch positions values, 94 degree of limit-switch positions values are set.Like this, if in test process, detect that tested pitch-controlled system arrives restraining position, then carry out the triggering process of corresponding limit switch according to actual conditions.
Master control analog system sends and becomes oar operating instruction, and tested pitch-controlled system is according to the change oar operating instruction received, and the pitch motor controlling to be connected with tested pitch-controlled system is rotated.As shown in Figure 1, in test control system, owing to adopting coupling to be connected between each pitch motor with corresponding actuating motor, so while tested pitch-controlled system controls the first pitch motor 11, second pitch motor 12 and the 3rd pitch motor 13 carries out rotating, by drive first actuating motor 1, second actuating motor 2 and the 3rd actuating motor 3 synchronous axial system.
Test control system receives the rotation position information of the first actuating motor 1, second actuating motor 2 and the 3rd actuating motor 3, and according to the Transmitted chains reduction speed ratio arranged before, utilize electronic gear technology, the rotational velocity of synchronization control the 4th actuating motor 4, the 5th actuating motor 5 and the 6th actuating motor 6, because the 4th actuating motor 4, the 5th actuating motor 5 and the 6th actuating motor 6 adopt coupling to be connected, so REDUNDANCY ENCODER is by synchronous axial system with the first REDUNDANCY ENCODER 21, second REDUNDANCY ENCODER 22 and triple redundance encoder 23.Now, the pitch-controlled system sync bit information that will receive REDUNDANCY ENCODER transmission and return.Wherein, by calculating and the control of daemon software, Transmitted chains reduction speed ratio is set according to blower fan model, achieves the function of flexible setting Transmitted chains reduction speed ratio.
When the first pitch motor 11, when second pitch motor 12 and the 3rd pitch motor 13 turn to 91 degree or 94 degree of positions, test control system is by the first actuating motor 1, second actuating motor 2 and the 3rd actuating motor 3 obtain the position information of pitch motor, determine the pivotal position value of pitch motor, and according to 91 degree that pre-set, 94 degree of limit-switch positions values compare, when the pivotal position value of pitch motor is greater than 91 degree, during 94 degree of limit-switch positions values, limit switch 31 is simulated in triggering first, second simulation limit switch 32 and the 3rd simulation limit switch 33.Now, tested pitch-controlled system will receive spacing trigger signal, carry out the respective handling of spacing pattern.
When tested pitch-controlled system is in manual mode, frequency-changing control system will send the instruction of corresponding simulation Non-follow control pitch-controlled system to frequency-variable controller, frequency-variable controller sends simulation manual control commands to simulation hand control box, and simulation hand control box is by auxiliary reclay trigger manual control switch signal.Pitch-controlled system receives this hand control switch signal by heavy-duty connector, and performs corresponding operating.
As can be seen from the various embodiments described above, the flexible analog detection method of pitch-controlled system of the present invention and system embodiment, abandoned utilizes the mechanical gear becoming propeller hub directly to carry out the method for pitch-controlled system test in the past, a kind of flexible test scheme is proposed, by the first actuating motor 1, the actual speed of pitch motor measured by second actuating motor 2 and the 3rd actuating motor 3, and control the 4th actuating motor 4 according to this rotating speed, 5th actuating motor 5, 6th actuating motor 6 carries out synchronous axial system according to the Transmitted chains reduction speed ratio arranged, the Transmitted chains reduction speed ratio become on oar drive chain is arranged arbitrarily according to different blower fan models, thus full-year simulation test can be carried out to the pitch-controlled system of different Transmitted chains reduction speed ratio.
Obviously, those skilled in the art should be understood that, each step of the flexible analog detection method of above-mentioned pitch-controlled system of the present invention, each control module of the flexible simulated testing system of pitch-controlled system, such as master control analog system, frequency-changing control system can realize with general computing device, they can concentrate on single computing device, or be distributed on network that multiple computing device forms, alternatively, they can realize with the executable program-code of computing device, thus, they can be stored and be performed by computing device in the storage device, or they are made into each integrated circuit module respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.Described storage device is nonvolatile memory, as: ROM/RAM, flash memory, magnetic disc, CD etc.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (12)
1. a flexible analog detection method for pitch-controlled system, is characterized in that, comprising:
Simulate the master control system of tested pitch-controlled system;
Simulating the outside operating mode of described tested pitch-controlled system, is that described tested pitch-controlled system arranges Transmitted chains reduction speed ratio according to blower fan model;
Based on simulated master control system and outside operating mode, test the internal operation situation of described tested pitch-controlled system, obtain the service data of described tested pitch-controlled system.
2. the flexible analog detection method of pitch-controlled system according to claim 1, is characterized in that, also comprise:
Obtained service data is compared with corresponding preset standard data, generates test result file.
3. the flexible analog detection method of pitch-controlled system according to claim 1, is characterized in that, also comprise:
In the running of described tested pitch-controlled system, calculate the pivotal position value of the pitch motor be connected with described tested pitch-controlled system;
The pivotal position value of more described pitch motor and the size of the simulation limit-switch positions value preset, and when determining that described pivotal position value is greater than described simulation limit-switch positions value, trigger simulation limit switch, indicates described tested pitch-controlled system to carry out the respective handling of spacing pattern;
Receive and process the service data of described tested pitch-controlled system feedback.
4. the flexible analog detection method of the pitch-controlled system according to any one of claims 1 to 3, is characterized in that, also comprise:
Enable simulation MANUAL CONTROL mode, generate Non-follow control instruction; Receive and process described tested pitch-controlled system and operate according to described Non-follow control instruction execution the service data fed back accordingly; And/or,
Enable simulation MANUAL CONTROL mode, the pitch motor connected by described simulation MANUAL CONTROL mode pair and described tested pitch-controlled system is synchronously made zero and arranges.
5. the flexible analog detection method of pitch-controlled system according to claim 4, is characterized in that, the master control system of the described tested pitch-controlled system of described simulation comprises at least one in following operation:
Simulation master control system communicates with described tested pitch-controlled system, sends corresponding control command to described tested pitch-controlled system;
Simulation master control system receives the service data of described tested pitch-controlled system feedback, resolves the change oar Content of Communication between simulated master control system and described tested pitch-controlled system and shows.
6. the flexible analog detection method of pitch-controlled system according to claim 4, is characterized in that, the outside operating mode of the tested pitch-controlled system of described simulation comprises at least one in following operation:
Carry out load simulation, the simulation of Transmitted chains reduction speed ratio according to the outside work information arranged, 91 degree of limit switch trigger simulation of 3 axles, 94 degree of limit switch trigger simulation of 3 axles, the REDUNDANCY ENCODER synchronous axial system control simulation of 3 axles, 24V theft-resistant link chain are powered and Non-follow control is simulated.
7. a flexible simulated testing system for pitch-controlled system, is characterized in that, comprising:
Master control analog system (200), for simulating the master control system of tested pitch-controlled system, and communicating with described tested pitch-controlled system, obtaining the service data of described tested pitch-controlled system;
Test control system, for simulating the outside operating mode of tested pitch-controlled system, being that described tested pitch-controlled system arranges Transmitted chains reduction speed ratio according to blower fan model, testing the internal operation situation of described tested pitch-controlled system.
8. the flexible simulated testing system of pitch-controlled system according to claim 7, is characterized in that, described master control analog system (200) comprising:
Communication module, for communicating with described tested pitch-controlled system, receives the service data of described tested pitch-controlled system feedback;
Control module, for controlling described tested pitch-controlled system; And, for analyzing and more described service data and corresponding preset standard data, and generate test result file.
9. the flexible simulated testing system of pitch-controlled system according to claim 8, is characterized in that:
Described tested pitch-controlled system comprises:
First becomes oar cabinet (301), is equipped with the first tested pitch-controlled system;
Second becomes oar cabinet (302), is equipped with the second tested pitch-controlled system; And,
3rd becomes oar cabinet (303), is equipped with the 3rd tested pitch-controlled system;
Described test control system comprises:
Frequency-variable controller (400), is configured with frequency-changing control system (100);
First pitch motor (11), its input end and described first becomes oar cabinet (301) and is connected, and output terminal is connected with the first actuating motor (1); Described first actuating motor (1) is connected with described frequency-variable controller (400);
Second pitch motor (12), its input end and described second becomes oar cabinet (302) and is connected, and output terminal is connected with the second actuating motor (2); Described second actuating motor (2) is connected with described frequency-variable controller (400);
3rd pitch motor (13), its input end and the described 3rd becomes oar cabinet (303) and is connected, and output terminal is connected with the 3rd actuating motor (3); Described 3rd actuating motor (3) is connected with described frequency-variable controller (400);
4th actuating motor (4), its input end connects described frequency-variable controller (400), output terminal connects the first REDUNDANCY ENCODER (21), and described first REDUNDANCY ENCODER (21) is connected to the first change oar cabinet (301);
5th actuating motor (5), its input end connects described frequency-variable controller (400), output terminal connects the second REDUNDANCY ENCODER (22), and described second REDUNDANCY ENCODER (22) is connected to the second change oar cabinet (302);
6th actuating motor (6), its input end connects described frequency-variable controller (400), output terminal connects triple redundance encoder (23), and described triple redundance encoder (23) is connected to the 3rd and becomes oar cabinet (303).
10. the flexible simulated testing system of pitch-controlled system according to claim 9, is characterized in that, described test control system also comprises:
First simulation limit switch (31), is arranged at described frequency-variable controller (400) and described first and becomes between oar cabinet (301), for triggering the spacing pattern of described first pitch-controlled system;
Second simulation limit switch (32), is arranged at described frequency-variable controller (400) and described second and becomes between oar cabinet (302), for triggering the spacing pattern of described second pitch-controlled system;
3rd simulation limit switch (33), is arranged at described frequency-variable controller (400) and the described 3rd and becomes between oar cabinet (303), for triggering the spacing pattern of described 3rd pitch-controlled system.
The flexible simulated testing system of 11. pitch-controlled systems according to claim 10, is characterized in that, described test control system also comprises:
Simulation hand control box (40), is connected with described frequency-variable controller (400), described tested pitch-controlled system, for simulating MANUAL CONTROL mode.
The flexible simulated testing system of 12. pitch-controlled systems according to claim 11, is characterized in that, adopts following at least one configuration mode:
Described first pitch motor (11) is connected respectively by coupling with described 3rd actuating motor (3) with described second actuating motor (2), described 3rd pitch motor (13) with described first actuating motor (1), described second pitch motor (12);
Described 4th actuating motor (4) is connected with described triple redundance encoder (23) difference coupling with described second REDUNDANCY ENCODER (22), described 3rd actuating motor (3) with described first REDUNDANCY ENCODER (21), described 5th actuating motor (5);
Described tested pitch-controlled system is connected respectively by heavy-duty connector with between described simulation hand control box (40), described first pitch motor (11), described second pitch motor (12), described 3rd pitch motor (13), described first REDUNDANCY ENCODER (21), described second REDUNDANCY ENCODER (22), described triple redundance encoder (23);
Described frequency-variable controller (400) is connected respectively by field bus communication with between described first actuating motor (1), described second actuating motor (2), described 3rd actuating motor (3), described 4th actuating motor (4), described 6th actuating motor (6) of described 5th actuating motor (5);
Connect respectively by electrical signal between described simulation hand control box (40), described first simulation limit switch (31), described second simulation limit switch (32), described 3rd simulation limit switch (33);
Be connected by ethernet communication between described frequency-variable controller (400) with described frequency-changing control system (100);
Described simulation master control system (200) adopts the field bus communication of USB-CANOpen to be connected with between described tested pitch-controlled system.
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