CN107144431A - Dynamometer control system and control method for turbo oar engine axle platform test run - Google Patents
Dynamometer control system and control method for turbo oar engine axle platform test run Download PDFInfo
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- CN107144431A CN107144431A CN201710444017.XA CN201710444017A CN107144431A CN 107144431 A CN107144431 A CN 107144431A CN 201710444017 A CN201710444017 A CN 201710444017A CN 107144431 A CN107144431 A CN 107144431A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/02—Details or accessories of testing apparatus
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Abstract
The invention discloses a kind of dynamometer control system and control method for turbo oar engine axle platform test run, dynamometer control system includes：Action bars, the propeller control simulator being connected with action bars, the dynamometer controller and engine electronic control that are connected respectively with propeller control simulator, the dynamometer being connected with dynamometer controller, the engine being connected with dynamometer；Engine is also connected with engine electronic control, propeller control simulator is used to receive the operation signal of action bars and converses the rotating speed and power parameter of propeller state under operation signal, and the secondary signal for sending the output power for engine with the first signal of control mode switch, to engine electronic control for the state setting of dynamometer is sent to dynamometer controller.Dynamometer system and its control method response of the invention for turbo oar engine axle platform test run is rapid, overshoot is small and reliable operation, and the control to turbo oar engine can be realized well.
Description
Technical field
The present invention relates to dynamometer control field, especially, it is related to a kind of measurement of power for turbo oar engine axle platform test run
Device control system and control method.
Background technology
The mode of operation of advanced aeroturbine ppopeller jet (hereinafter referred to as turbo oar engine) aboard is by sending out
Motivation output shaft drives propeller rotation to produce pulling force driving aircraft, and (propeller can during aircraft landing for the size and Orientation of pulling force
To produce deboost to reduce coasting distance) it is controlled by propeller electronic controller regulation blade angle.In whirlpool
In the development process of paddle motor two kinds of test bays are needed to use according to test features：A kind of is the test run of engine+propeller
Platform, its mode of operation and installation state consistency, this test bay abbreviation oar platform；Another is the examination for being replaced with dynamometer propeller
Ride, power output and moment of torsion for accurately measuring engine, this test bay abbreviation axle platform.
The control of early stage or small-sized airscrew engine is fairly simple, and its output shaft turns under engine different conditions
Speed keeps constant, or guide vane angle keeps constant, and it typically uses dynamometer and started when axle platform carries out overall test
The method that machine is separately controlled, i.e. dynamometer are constant speed control pattern (dynamometer is according to set-point constant rotational speed) or permanent moment of torsion control
Molding formula (dynamometer is according to set-point constant-torque), only needs to control to send out by action bars when controlling engine transition state
Motivational state is to change power output.For advanced turbo oar engine, engine in transition state, propeller
Rotating speed, moment of torsion are required for being changed according to the change of engine condition, and these functions are by Motronic control maps under installation state
Controller (EEC), propeller control (PEC) and action bars are realized.If still using dynamometer and started on axle platform
The method that machine is separately controlled carries out advanced turbo oar engine manipulation, also needs to survey while manipulating in maneuvering engine transition state
Work(device variable condition, the two needs accurately coordination, and only manually operating can not complete at all.
The content of the invention
The invention provides a kind of the dynamometer control system and control method of the platform test run of turbo oar engine axle, to solve elder generation
Enter technical problem of the turbo oar engine in axle platform operating difficulties.
The technical solution adopted by the present invention is as follows：
On the one hand, the invention provides a kind of dynamometer control system for turbo oar engine axle platform test run, including：Behaviour
The propeller control simulator for make bar, being connected with action bars, the dynamometer control being connected respectively with propeller control simulator
Device and engine electronic control processed, the dynamometer being connected with dynamometer controller, the engine being connected with dynamometer；Engine
Also it is connected with engine electronic control, propeller control simulator is used for the operation signal for receiving action bars and conversion is gone out for drill
Make the rotating speed and power parameter of propeller state under signal, and to dynamometer controller send for dynamometer state setting and
First signal of control mode switch, the second letter for sending to engine electronic control the output power for engine
Number.
Further, when engine is in the slow state in ground, dynamometer is permanent rotating speed pattern, and the tachometer value of dynamometer is by measurement of power
Device controller is set according to the first signal.
Further, when engine is in empty slow state, dynamometer is valve location pattern, the output speed of engine by
The power output that engine electronic control adjusts engine according to secondary signal is controlled.
Further, when engine exceedes empty slow state, dynamometer is permanent rotating speed pattern, and the tachometer value of dynamometer is by measurement of power
Device controller is set according to the first signal.
Further, dynamometer is hydraulic dynamometer, and dynamometer controller is used to send instruction regulation hydraulic dynamometer
Flowing water Valve adapts to the state transformation of engine.
According to another aspect of the present invention, a kind of dynamometer controlling party for turbo oar engine axle platform test run is additionally provided
Method, using above-mentioned dynamometer control system, control method comprises the following steps：The corresponding operation signal of action bars is sent to spiral shell
Revolve oar controller simulator；Propeller control simulator converses the rotating speed and work(of corresponding propeller state according to operation signal
Rate parameter, and the first signal is sent to dynamometer controller, transmission secondary signal to engine electronic control；Dynamometer is controlled
Device carries out state setting and the switching of control model to dynamometer according to the first signal, and engine electronic control is according to the second letter
The power output of number control engine.
Further, dynamometer is hydraulic dynamometer, and dynamometer controller sends the water outlet of instruction regulation hydraulic dynamometer
Valve adapts to the state transformation of engine.
Further, when engine is in the slow state in ground, dynamometer controller controls dynamometer to switch according to the first signal
For permanent rotating speed pattern, while dynamometer controller sets the tachometer value of dynamometer to control the defeated of engine according to the first signal
Go out rotating speed.
Further, when engine is in empty slow state, dynamometer controller controls dynamometer to switch according to the first signal
For valve location pattern, engine electronic control adjusts the power output of engine to control engine according to secondary signal
Output speed.
Further, when engine exceedes empty slow state, dynamometer controller controls dynamometer to switch according to the first signal
For permanent rotating speed pattern, while dynamometer controller sets the tachometer value of dynamometer to control the defeated of engine according to the first signal
Go out rotating speed.
The present invention is used for advanced turbo oar engine axle platform overall test using propeller control simulator, solves the country
Advanced turbo oar engine is the problem of axle platform operating difficulties.The dynamometer system for turbo oar engine axle platform test run of the present invention
, can and its control method response is rapid, overshoot is small and reliable operation, and the control to turbo oar engine can be realized well
Working condition of the simulated engine with propeller, and the function with the manual feathering of checking, the work of anti-oar.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to accompanying drawings, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the principle frame of the dynamometer control system for turbo oar engine axle platform test run of the preferred embodiment of the present invention
Figure；
Fig. 2 is the flow chart of the dynamometer control method of the preferred embodiment of the present invention.
Drawing reference numeral explanation：
1st, action bars；2nd, propeller control simulator；3rd, dynamometer controller；4th, engine electronic control；5th, survey
Work(device；6th, engine.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Reference picture 1, the preferred embodiments of the present invention provide a kind of dynamometer control for turbo oar engine axle platform test run
System processed, including action bars 1, propeller control simulator 2, dynamometer controller 3, engine electronic control 4, dynamometer
5 and engine 6.Propeller control simulator 2 receives the operation signal of action bars 1, converses propeller under each operation signal
The rotating speed and power parameter of state, send the first signal to dynamometer controller 3, send second to engine electronic control 4
Signal：The first signal to dynamometer controller 3 is used for the state setting and the switching of control model of dynamometer 5；To engine
The secondary signal of electronic controller 4 is used for the control of the power output of engine 6.
In the present invention, action bars 1 is connected with propeller control simulator 2 by signal wire.Two are provided with operating desk
Individual action bars 1：Power bar and state bar, power bar control the power output of engine 6, state bar control propeller.Work as operation
During member's operation, state bar meeting transmission state bar signal (CLA bars signal) gives propeller control simulator 2, and power bar can be transmitted
Discrete magnitude input/output signal to propeller control simulator 2, state bar signal therein is used for the control of dynamometer 5.
Propeller control simulator 2 is connected to dynamometer controller 3 by signal wire, and is sent out to dynamometer controller 3
Voltage signal is sent, while dynamometer controller 3 is transmittable to feed back signal to propeller control simulator 2.Propeller control
Simulator 2 is also connected by RS422 buses with engine electronic control 4, for realizing data with engine electronic control 4
Synchronous interaction.
Dynamometer controller 3 is connected with dynamometer 5 by signal wire, and dynamometer controller 3 is according to propeller control mould
Intend the first signal of device 2 to set the rotating speed and moment of torsion of dynamometer 5, meanwhile, dynamometer 5 also can be by the status signal bag of its own
Include rotating speed and torque signal feeds back to dynamometer controller 3.
In this preferred embodiment, dynamometer 5 is hydraulic dynamometer, and it is connected with engine 6 by shaft coupling, dynamometer 5
Tachometer value it is equal with the output speed of engine 6.In addition, engine 6 is also connected with engine electronic control 4 by cable
Connect, the secondary signal that engine electronic control 4 is sent according to propeller control simulator 2 sends control instruction to engine
6 to control the power output of engine 6, while the status signal of itself can also be fed back to engine electronic control system by engine 6
Device 4, and then the interaction that propeller control simulator 2 realizes data is passed to by RS422 buses.
Because certain turbo oar engine is different to the control law of maximum rating in the slow state in ground to empty slow state, empty slow state,
The single control model (permanent rotating speed or permanent torque control mode) of dynamometer 5 can not meet the demand for control of engine 6, therefore this hair
It is bright middle the pattern of dynamometer 5 to be chosen to be " Flight Simulation Mode " patterns (flight simulation pattern), the pattern energy root
Realize any conversion between permanent rotating speed pattern, permanent torque mode, valve location pattern automatically according to Setting signal.
Engine 6 installation state control law be：Ground uses feathering control model slowly, is similar to the valve of dynamometer 5
Position control mode；Empty slow state is the constant speed control pattern under the control of engine electronic control 4；More than empty slow state
Constant speed control pattern under being controlled for propeller control.Find that acceleration and deceleration process is in control model in axle platform debugging process
Transfer point, each parameter fluctuation is big, it is difficult to realize the control of dynamometer 5 and the control matched well work of engine 6, and engine 6 is installed
The control law of state can not be applied to axle platform.
To solve problem above, the control model of dynamometer 5 that the present invention is used when turbo oar engine carries out the experiment of axle platform
It is as follows：
When engine 6 is in the slow state in ground, dynamometer 5 is permanent rotating speed pattern, and the tachometer value of dynamometer 5 is by dynamometer control
The first signal that device 3 is sent according to propeller control simulator 2 is set；When engine 6 is in empty slow state, 5 turns of dynamometer
Valve location pattern is changed to, the power that the output speed of engine 6 adjusts engine 6 by engine electronic control 4 is controlled
System；When engine 6 exceedes empty slow state, dynamometer 5 is permanent rotating speed pattern, and the tachometer value of dynamometer 5 is by dynamometer controller 3
The the first signal setting sent according to propeller control simulator 2.Experiment proves that, pattern is controlled using such scheme and turned
Each Parameters variation is normal when changing, no fluctuation over control.
The present invention provides a kind of dynamometer control method for turbo oar engine axle platform, dynamometer 5 is simulated propeller
Working condition, reach dynamometer 5 and engine 6 be mutually matched and steady operation purpose.Reference picture 2, of the invention is used for whirlpool
The control method that the dynamometer control system of paddle motor axle platform test run is carried out is specific as follows：
Step S100, operator's push-and-pull action bars 1 sends the corresponding operation signal of action bars 1 to propeller control
Simulator 2；
Step S200, propeller control simulator 2 according to operation signal converse corresponding propeller state rotating speed and
Power parameter, and the first signal is sent to dynamometer controller 3, transmission secondary signal to engine electronic control 4；
Step S300, dynamometer controller 3 is carried out according to the first signal of propeller control simulator 2 to dynamometer 5
State set and control model switching, engine electronic control 4 is according to the secondary signal control of propeller control simulator 2
The power output of engine 6 processed.
In the present invention, dynamometer 5 is hydraulic dynamometer, and dynamometer controller 3 sends going out for instruction regulation hydraulic dynamometer 5
The switch degree of penstock adapts to the state transformation of engine 6, completes combining for dynamometer 5 and propeller control simulator 2
Work, realizes that the dynamometer 5 of certain turbo oar engine axle platform experiment is controlled.
The state setting of dynamometer 5 includes the setting of rotating speed and moment of torsion, and the control mode switch of dynamometer 5 includes permanent rotating speed
The switching of pattern and valve location pattern.Specifically, in the preferred embodiments of the present invention, the control model of dynamometer 5 is as follows：
When engine 6 is in the slow state in ground, propeller control simulator 2 is according to the operation signal of action bars 1 to measurement of power
Device controller 3 sends the first signal, and dynamometer controller 3 controls measurement of power according to the first signal of propeller control simulator 2
Device 5 switches to permanent rotating speed pattern, is surveyed while dynamometer controller 3 is set according to the first signal of propeller control simulator 2
The tachometer value of work(device 5, so as to control output speed (the output speed phase of the tachometer value of dynamometer 5 and engine 6 of engine 6
Deng).
When engine 6 is in empty slow state, propeller control simulator 2 is according to the operation signal of action bars 1 to measurement of power
Device controller 3 sends the first signal, secondary signal is sent to engine electronic control 4, and dynamometer controller 3 is according to propeller
The first signal control dynamometer 5 of controller simulator 2 switches to valve location pattern, while engine electronic control 4
The power output of engine 6 is adjusted according to the secondary signal of propeller control simulator 2 to control the output of engine 6 to turn
Speed.
When engine 6 exceedes empty slow state, propeller control simulator 2 is according to the operation signal of action bars 1 to measurement of power
Device controller 3 sends the first signal, and dynamometer controller 3 controls measurement of power according to the first signal of propeller control simulator 2
Device 5 switches to permanent rotating speed pattern, is surveyed while dynamometer controller 3 is set according to the first signal of propeller control simulator 2
The tachometer value of work(device 5, so as to control output speed (the output speed phase of the tachometer value of dynamometer 5 and engine 6 of engine 6
Deng).
The present invention is used for advanced turbo oar engine axle platform overall test using propeller control simulator 2, solves state
Interior advanced turbo oar engine is the problem of axle platform operating difficulties.Through actual use proof, of the invention is used for turbo oar engine axle
Dynamometer control system and its control method response of platform test run is rapid, overshoot is small and reliable operation, can realize well
Control to turbo oar engine, can working condition of the simulated engine 6 with propeller, and with the manual feathering of checking, anti-oar
The function of work.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of dynamometer control system for turbo oar engine axle platform test run, it is characterised in that including：Action bars (1), with
The propeller control simulator (2) of the action bars (1) connection, it is connected respectively with the propeller control simulator (2)
Dynamometer controller (3) and engine electronic control (4), be connected with the dynamometer controller (3) dynamometer (5),
The engine (6) being connected with the dynamometer (5)；The engine (6) is also connected with the engine electronic control (4),
The propeller control simulator (2) is used to receive the operation signal of the action bars (1) and converses the operation signal
The rotating speed and power parameter of lower propeller state, and send to the dynamometer controller (3) shape for the dynamometer (5)
State sets with the first signal of control mode switch, to the engine electronic control (4) and sent for the engine (6)
Output power secondary signal.
2. dynamometer control system according to claim 1, it is characterised in that the engine (6) is in the slow state in ground
When, the dynamometer (5) is permanent rotating speed pattern, and the tachometer value of the dynamometer (5) is by the dynamometer controller (3) according to institute
State the setting of the first signal.
3. dynamometer control system according to claim 1, it is characterised in that the engine (6) is in empty slow state
When, the dynamometer (5) is valve location pattern, and the output speed of the engine (6) is by the engine electronic control
(4) power output for adjusting the engine (6) according to the secondary signal is controlled.
4. dynamometer control system according to claim 1, it is characterised in that the engine (6) exceedes empty slow state
When, the dynamometer (5) is permanent rotating speed pattern, and the tachometer value of the dynamometer (5) is by the dynamometer controller (3) according to institute
State the setting of the first signal.
5. dynamometer control system according to claim 1, it is characterised in that the dynamometer (5) is hydraulic dynamometer,
The dynamometer controller (3) is used to send the flowing water Valve of the instruction regulation hydraulic dynamometer (5) to adapt to described start
The state transformation of machine (6).
6. a kind of dynamometer control method for turbo oar engine axle platform test run, it is characterised in that using as claim 1 to
5 any described dynamometer control systems, the control method comprises the following steps：
The corresponding operation signal of action bars (1) is sent to the propeller control simulator (2)；
The rotating speed and power that the propeller control simulator (2) converses corresponding propeller state according to operation signal are joined
Number, and the first signal of transmission gives the engine electronic control (4) to the dynamometer controller (3), transmission secondary signal；
The dynamometer controller (3) carries out state setting and control model according to first signal to the dynamometer (5)
Switching, the engine electronic control (4) controls the power output of the engine (6) according to the secondary signal.
7. dynamometer control method according to claim 6, it is characterised in that the dynamometer (5) is hydraulic dynamometer,
The dynamometer controller (3) sends the flowing water Valve of the instruction regulation hydraulic dynamometer (5) to adapt to the engine (6)
State transformation.
8. dynamometer control method according to claim 6, it is characterised in that the engine (6) is in the slow state in ground
When, the dynamometer controller (3) controls the dynamometer (5) to switch to permanent rotating speed pattern according to first signal, simultaneously
The dynamometer controller (3) sets the tachometer value of the dynamometer (5) to start described in controlling according to first signal
The output speed of machine (6).
9. dynamometer control method according to claim 6, it is characterised in that the engine (6) is in empty slow state
When, the dynamometer controller (3) controls the dynamometer (5) to switch to valve location pattern, institute according to first signal
Power output of the engine electronic control (4) according to the secondary signal regulation engine (6) is stated described in so as to control
The output speed of engine (6).
10. dynamometer control method according to claim 6, it is characterised in that the engine (6) exceedes empty slow state
When, the dynamometer controller (3) controls the dynamometer (5) to switch to permanent rotating speed pattern according to first signal, simultaneously
The dynamometer controller (3) sets the tachometer value of the dynamometer (5) to start described in controlling according to first signal
The output speed of machine (6).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710444017.XA CN107144431B (en) | 2017-06-13 | 2017-06-13 | Dynamometer control system and control method for turbo oar engine axis platform test run |
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|---|---|---|---|
| CN201710444017.XA CN107144431B (en) | 2017-06-13 | 2017-06-13 | Dynamometer control system and control method for turbo oar engine axis platform test run |
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| CN107144431B CN107144431B (en) | 2019-05-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108678861A (en) * | 2018-03-20 | 2018-10-19 | 中国科学院工程热物理研究所 | Split gas turbine and hydraulic dynamometer joint debugging method |
| CN110455539A (en) * | 2019-07-15 | 2019-11-15 | 成都航天科工微电子系统研究院有限公司 | A kind of gear-box type axial direction force loading device and method |
| CN111579135A (en) * | 2020-05-25 | 2020-08-25 | 中国船舶重工集团公司第七0三研究所 | Measurement and control method of blade type hydraulic dynamometer |
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| CN111579135B (en) * | 2020-05-25 | 2021-07-27 | 中国船舶重工集团公司第七0三研究所 | Measurement and control method of blade type hydraulic dynamometer |
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