CN101922357A - Control system of inlet guide vane (IGV) assembly in engine system - Google Patents
Control system of inlet guide vane (IGV) assembly in engine system Download PDFInfo
- Publication number
- CN101922357A CN101922357A CN2010102419454A CN201010241945A CN101922357A CN 101922357 A CN101922357 A CN 101922357A CN 2010102419454 A CN2010102419454 A CN 2010102419454A CN 201010241945 A CN201010241945 A CN 201010241945A CN 101922357 A CN101922357 A CN 101922357A
- Authority
- CN
- China
- Prior art keywords
- igv
- guide vane
- module
- assembly
- torque motor
- 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.)
- Granted
Links
Images
Landscapes
- Control Of Positive-Displacement Air Blowers (AREA)
Abstract
The invention relates to control system of an inlet guide vane (IGV) assembly in an engine system, comprising an expectation angle calculation module, a PI (Proportional Plus Integral) control module, a driving module, a torque motor and a displacement detection module; wherein the expectation angle calculation module, the PI control module, the driving module and the torque motor are sequentially connected; the torque motor is connected with the PI control module through the displacement detection module; and the torque motor outputs an IGV angle. The control system of the IGV assembly in the engine system can realize the accurate control of the IGV assembly in the engine system.
Description
Technical field
The present invention relates to a kind of control system, be specifically related to the control system of inlet guide vane (IGV) assembly in a kind of engine system.
Background technique
Growing along with current auxiliary power unit, improving constantly of user's request, the design of various kinds of sensors, actuation mechanism is more and more complete in system, under the increasingly sophisticated prerequisite of system architecture, the user is more and more higher especially to the requirement of security of system, reliability, maintainability, therefore be in design or all will pay attention to the application of fault diagnosis technology in safeguarding, could improve reliability of products and maintainability like this.
The control of auxiliary power unit-inlet guide vane (IGV) assembly directly influences the performance of engine system in the airplane engine system, the controlling method of at present known inlet guide vane (IGV) assembly is to realize with control circuit nothing more than, that is to say control good and bad of inlet guide vane (IGV) assembly, at all still continuing to optimize of its control circuit.
Summary of the invention
There to be above-mentioned technical problem in the background technique in order solving, to the invention provides the control system of inlet guide vane (IGV) assembly in a kind of engine system that realizes the accurate control of inlet guide vane (IGV) assembly in the engine system.
Technical solution of the present invention is: the invention provides the control system of inlet guide vane (IGV) assembly in a kind of engine system, its special way is: the control system of inlet guide vane (IGV) assembly comprises expected angle computing module, PI control module, driver module, torque motor and displacement detecting module in the described engine system; Described expected angle computing module, PI control module, driver module and torque motor connect successively; Described torque motor links to each other with the PI control module by the displacement detecting module; Described torque motor output IGV air-intake guide vane angle.
Above-mentioned driver module comprises DA transducer, operational amplifier and power amplifier; Described PI control module links to each other with operational amplifier by the DA transducer; Described operational amplifier is connected with the power amplifier closed loop; Described power amplifier links to each other with torque motor.
Above-mentioned operational amplifier is OP400 type operational amplifier or LF147 type operational amplifier.
Above-mentioned power amplifier is transistor or field effect transistor.
Above-mentioned displacement detecting module comprises actuation generator, sensor and Phase sensitive detector; Described sensor obtains the IGV air-intake guide vane angle of sending out by torque motor; Described actuation generator links to each other with Phase sensitive detector with sensor respectively; Described sensor links to each other with Phase sensitive detector; Described Phase sensitive detector links to each other with the PI control module.
Above-mentioned expected angle computing module comprises IGV air-intake guide vane expected angle computing unit, and described IGV air-intake guide vane expected angle computing unit is PowerPC, 80X86 series microprocessor, DSP or single-chip microcomputer.
Above-mentioned PI control module is PowerPC, 80X86 series microprocessor, DSP or single-chip microcomputer.
The control system of inlet guide vane (IGV) assembly comprises fault detection module in the above-mentioned engine system, and described fault detection module links to each other with driver module, torque motor and displacement detecting module respectively.
Above-mentioned fault detection module comprises sampling unit and fault judgement unit; Described sampling unit links to each other with the fault judgement unit.
Advantage of the present invention is:
The present invention is by optimizing the control circuit of inlet guide vane (IGV) assembly in the engine system; realized the accurate control of inlet guide vane (IGV) assembly in the engine system; hardware circuit adopts the highly reliable drive circuit of highi degree of accuracy; in conjunction with monitoring software; have turn-off protection functions such as overcurrent-overvoltage, realize High Accuracy Control.Adopt real-time circuit supervision to detect, high precision displacement testing circuit technology automatic fault location and protection realize highi degree of accuracy deviation feedback, have high reliability.Driver module has overcurrent-overvoltage turn-off protection function in conjunction with the built-in monitoring software of expected angle computing module simultaneously, realizes safety control; Described displacement detecting circuit adopts real-time circuit supervision to detect, and the high precision displacement testing circuit is realized highi degree of accuracy deviation feedback.
Description of drawings
Fig. 1 is the structural representation of the control system of inlet guide vane (IGV) assembly in the engine system provided by the present invention;
Fig. 2 is the air-intake guide vane control principle figure in the control system of inlet guide vane (IGV) assembly in the engine system provided by the present invention;
Fig. 3 regulates process chart for the air-intake guide vane torque motor;
Fig. 4 is the driver module structural representation;
Fig. 5 is the driver module circuit diagram;
Fig. 6 is a displacement detecting modular structure schematic representation;
Fig. 7 is the preferable structural representation of displacement detecting module.
Embodiment
Referring to Fig. 1, the invention provides the control system of inlet guide vane (IGV) assembly in a kind of engine system, comprise expected angle computing module 1, PI control module 2, driver module 3, torque motor 4 and displacement detecting module 6; Expected angle computing module 1, PI control module 2, driver module 3 and torque motor 4 connect successively; Torque motor 4 links to each other with PI control module 2 by displacement detecting module 6; Torque motor 4 drives the IGV air-intake guide vane and exports IGV air-intake guide vane angle.
Simultaneously, better for using effect, the present invention also provides fault detection module 5 outside above-mentioned module, and fault detection module 5 links to each other with driver module 3, torque motor 4 and displacement detecting module 6 respectively.
Referring to Fig. 4, driver module 3 comprises DA transducer, operational amplifier and power amplifier; The PI control module links to each other with operational amplifier by the DA transducer; Operational amplifier is connected with the power amplifier closed loop; Power amplifier links to each other with torque motor.Driver module 3 has overcurrent-overvoltage turn-off protection function in conjunction with the built-in monitoring software of expected angle computing module 1, realizes safety control; Displacement detecting module 6 adopts real-time circuit supervision to detect, and the high precision displacement testing circuit is realized highi degree of accuracy deviation feedback.
Operational amplifier is OP400 type operational amplifier or LF147 type operational amplifier.
Power amplifier is transistor or field effect transistor.
Referring to Fig. 5, driver module 3 is realized CPU is controlled the size that voltage IGVTMDADC is converted to the electric current I that is directly proportional with it at operational amplifier N2 and peripheral circuit, this size of current is directly proportional with the rotation angle of torque motor, thereby realizes the purpose by CPU control torque motor; Triode V25, V26, V27 are connected on operational amplifier N2 output polar, feed back to operational amplifier N2 backward end by R110, and the realization ratio is amplified relation and made this circuit possess strong driving force; The voltage of R126, R127 positive feedback load-torque motor coil and R132 series connection is realized the conversion of voltage-to-current relation, and concrete calculating is:
Driving current I equals 0.064IGVTMDADC/R126, and when R126 selects 10 Ω, IGVTMDADC is between 0-10V, so driving current is 0-64mA; IGVTMDCP is anodal for output drives to be connected with torque motor is anodal, and IGVTMDCM is the torque motor cathode voltage of feedback.Monitoring voltage IGVVWADC is the dividing potential drop of IGVTMDCP, and its size equals driving current I* (R
L+ R132) * R125/ (R124+R125), R124, R125 are divider resistance, R
LBe torque motor drive coil operating resistance; This voltage has showed the size of driving current and load, is sent to A/D converter, for the software interpretation; Current monitoring IGVCWADC is the voltage of feedback voltage IGVTMDCM after proportional amplifier N3 amplifies 10 times, equals I*R132*10, and the size of performance driving current is sent to A/D converter equally, judges for software; This driver module 3 also possesses the hardware turn-off function, and when the signal of remaining valid produced, emergency cut-off V25 made no driving current output.
Referring to Fig. 6, displacement detecting module 6 comprises actuation generator, sensor and Phase sensitive detector; Sensor obtains the IGV air-intake guide vane angle of sending out by torque motor; Actuation generator links to each other with Phase sensitive detector with sensor respectively; Sensor links to each other with Phase sensitive detector; Phase sensitive detector links to each other with the PI control module.
Referring to Fig. 7, the LVDT CLK clock LVDTCLK that displacement detecting module 6 at first provides the CPU frequency division is converted to the sine wave of driving force as the elementary excitation pulse IGVPOSSA of LVDT sensor; CLK clock LVDTCLK is a square wave, 3551Hz, and through comparator N3, the complementary push-pull of being made up of transistor V10, V10 supplies to put the square wave that is converted into amplitude ± 10V, and frequency is constant; This square wave process sine-wave oscillation electrical equipment N2 is converted into the sine wave of amplitude ± 10V, as the elementary excitation pulse IGVPOSSA of LVDT sensor; The sine wave signal that the secondary generation of LVDT sensor is relevant with the IGV stroke, this sine wave is identical with elementary excitation sine wave phase, and the two ratio is directly proportional with the IGV displacement amount, the position information of reflection IGV; The anodal IGVPOSSC of secondary sine wave, negative pole IGVPOSSD; For the position of accurate Calculation IGV, eliminate sum of errors and disturb, adopt phase-sensitive detection circuit to handle elementary, the secondary sine wave signal of LVDT, it is separately converted to the level signal that is directly proportional with its amplitude.
Phase sensitive detector is elementary at processing LVDT, the concrete mode of secondary sine wave signal is: the phase sensitive detection pulse is converted into square wave by elementary sinusoidal wave IGVPOSSA through wave filter N4, be converted into the burst pulse square wave of dutycycle 4% again through monostable D8 and electronic switch V73, this square wave high level moment is over against the crest of elementary secondary sine wave, only make V7 constantly at this, the V71 conducting is to capacitor C 14, the C32 charging, voltage is directly proportional with elementary secondary sinusoidal wave amplitude respectively on the electric capacity, this voltage changes into the elementary level LVDTPRIDC of LVDT and LVDT level level LVDTSECDC respectively after wave filter N7 filtering, wherein comprise among the LVDTSECDC+side-play amount of 5V guarantee on the occasion of, the two is sent to A/D, is converted into digital quantity and calculates for software; The negative pole of the elementary sine wave of LVDT sensor is DC level LVDTBITDC by resistance R70 feedback on the DCM2 module board through N7 and diode rectification, and whether projection LVDT sensor proper functioning.
Expected angle computing module 1 comprises IGV air-intake guide vane expected angle computing unit, and IGV air-intake guide vane expected angle computing unit is PowerPC, 80X86 series microprocessor, DSP or single-chip microcomputer.
PI control module 2 is PowerPC, 80X86 series microprocessor, DSP or single-chip microcomputer.
Air-intake guide vane of the present invention (IGV) control rate is designed to according to air-intake guide vane position feedback (IGV_A) and air-intake guide vane position calculation value (IGV_C), adopts the PI control rate to obtain IGV and regulates output.According to compressor inlet temperature, compressor delivery temperature, compressor intake pressure, APU mode of operation and ring control demand, calculate air-intake guide vane position calculation value (IGV_C).
The control system structure of inlet guide vane (IGV) assembly in the engine system: adopt closed loop control, the software and hardware control structure.
The accurately anti-control technique of doing of inlet guide vane (IGV) assembly closed loop in the engine system, its control algorithm is:
The purpose of IGV control function is the requirement of following according to the aircraft bleed, the position of control IGV:
The air-intake guide vane torque motor is regulated (IGVTMDADC) and is calculated its calculation procedure according to air-intake guide vane differential seat angle (LVDT_D):
--the calculating of air-intake guide vane angle (LVDT_A);
--the calculating of the expected angle (LVDT_C) of air-intake guide vane;
--calculate the air-intake guide vane torque motor and regulate (IGVTMDADC).
Referring to Fig. 2, the control rate main software flow process of this control algorithm is:
The calculating of air-intake guide vane actual angle (LVDT_A);
The ratio calculation exit port guide vane angle (LVDT_A) of sublinear variable differential transformers (LVDTSECDC) and main line variable differential transformers (LVDTPRIDC).
The calculating of LVDT_C;
LVDT_C has different formula according to current state: have real-time circuit supervision to detect the system failure (anti-surge control valve unroll fault): LVDT_C and be fixing angle A, determine with test situation according to demand.
The present invention can also not have system failure wrap test fault:
Condition 1:(triggers electronic controller and opens Fu Zaikongzhifa ﹠amp; ﹠amp; Send instructions: start leading engine) ﹠amp; ﹠amp; Normal air feed: LVDT_C adopts thermomechanics, Hydrodynamics Theory formula and the broken line method that fits to calculate in software by Load Compressor Inlet Temperature T2 and inlet pressure P2 decision, and the Finite Amplitude formula to determine that scope prevents overproof.
Condition 2:(triggers electronic controller and opens Fu Zaifa ﹠amp; ﹠amp; Need not start leading engine) ﹠amp; ﹠amp; Normal air feed: LVDT_C calculates according to ring control demand (difference of given area, main cabin true temperature and selected temperature) and segmented fitting, and the Finite Amplitude formula to determine that scope prevents overproof.LVDT_C is the function from the temperature gap of environmental control system (ECS) under this state so.
Condition 3: the load control valve valve keeps closed condition || normal air feed:
LVDT_C＝0；
The air-intake guide vane torque motor is regulated the calculating of (IGVTMDADC):
1) air-intake guide vane differential seat angle, LVDT_D=LVDT_C-LVDT_A
2) storage gain part
IGVTMDADC_integral
n＝IGVTMDADC_integral′
n-1+LVDT_D*K
3) proportional gain part
IGVTMDADC_scale=LVDT_D*K K is a scale factor.
4) air-intake guide vane torque motor regulated value
IGVTMDADC＝IGVTMDADC_integral
n+IGVTMDADC_scale
It is that its handling process was seen Fig. 3 during control law calculated that the air-intake guide vane torque motor is adjusted in.
The highly reliable drive circuit of air-intake guide vane highi degree of accuracy provided by the present invention, can describe from function and detailed circuit two aspects:
A, functional description:
Air-intake guide vane torque motor drive circuit is finished to energy supply of air-intake guide vane torque motor and the function controlled.CPU is by the output current of this drive circuit of software control.This driving produces the variable output of 0 to 64mA (0mA represents that air-intake guide vane torque motor IGVTM closes) by the analog input signal of a scope between 0 to 10V.When the needs emergency shutdown should drive, the signal of remaining valid was that low (KASDCLLDS is produced by the CPU module hardware, and is effectively low) closes that this driving is clamped at closed condition when producing.
This drive circuit has been finished driving the BIT function of output voltage (IGVVWADC) and torque motor electric current (IGVCWADC).
Air-intake guide vane torque motor drive circuit has comprised amplifier N2, and triode V25, the V26, the V27 that electrify and banish big effect have realized the function of voltage to current converter.
B, circuit are described:
Referring to Fig. 5, amplifier N2 and peripheral circuit are realized CPU is controlled the size that voltage IGVTMDADC is converted to the electric current I that is directly proportional with it, and this size of current is directly proportional with the rotation angle of torque motor, thereby realize the purpose by CPU control torque motor.
V25, V26, V27 are connected on the N2 output polar, feed back to the N2 backward end by R110, and the realization ratio is amplified relation and made this circuit possess strong driving force.The voltage of R126, R127 positive feedback load-torque motor coil and R132 series connection is realized the conversion of voltage-to-current relation.Concrete calculating: driving current I=0.064IGVTMDADC/R126, R126 select 10 Ω, and IGVTMDADC is between 0-10V, so driving current is 0-64mA.IGVTMDCP is anodal for output drives to be connected with torque motor is anodal, and IGVTMDCM is the torque motor cathode voltage of feedback.
Voltage monitoring IGVVWADC is the dividing potential drop of IGVTMDCP, equals driving current I* (R
L+ R132) * R125/ (R124+R125), R124, R125 are divider resistance, R
LBe torque motor drive coil operating resistance.This voltage has showed the size of driving current and load, is sent to A/D converter, for the software interpretation.Current monitoring IGVCWADC is the voltage of feedback voltage IGVTMDCM after proportional amplifier N3 amplifies 10 times, equals I*R132*10, and the size of performance driving current is sent to A/D converter equally, judges for software.
This circuit also possesses the hardware turn-off function, and when producing, emergency cut-off V25 makes no driving current output at the signal of remaining valid (KASDCLLDS is produced by the CPU module hardware, and is effectively low).
High precision displacement testing circuit provided by the present invention:
Referring to Fig. 7, this circuit is mainly nursed one's health the LVDT signal of reflection IGV (air-intake guide vane) position, comprising: the LVDTCLK that is sent by CPU produces the elementary excitation sine wave of LVDT displacement transducer, anodal IGVPOSSA, negative pole IGVPOSSB; By the pulse of the sinusoidal wave generation of elementary excitation phase sensitive detection; Realize that by this detection pulse and phase-sensitive detection circuit elementary, secondary sine wave is converted into the level with its amplitude direct ratio, the elementary level LVDTPRIDC of LVDT and LVDT level level LVDTSECDC, the two is sent to A/D, reads its size by software, calculate, draw the position information of IGV; This circuit also comprises the work self check of LVDT, and the feedback signal detection of the elementary negative pole of LVDT sensor is become DC level, is sent to A/D, is judged the working condition of LVDT sensor by software.
The sine wave signal that the secondary generation of LVDT sensor is relevant with the IGV stroke, this sine wave is identical with elementary excitation sine wave phase, and the two ratio is directly proportional with the IGV displacement amount, the position information of reflection IGV.The anodal IGVPOSSC of secondary sine wave, negative pole IGVPOSSD.
Because the position of wanting accurate Calculation IGV is eliminated sum of errors and is disturbed, and adopts phase-sensitive detection circuit to handle elementary, the secondary sine wave signal of LVDT, and it is separately converted to the level signal that is directly proportional with its amplitude.The phase sensitive detection pulse is converted into square wave by elementary sinusoidal wave IGVPOSSA through wave filter N4, be converted into the burst pulse square wave of dutycycle 4% again through monostable D8 and electronic switch V73, this square wave high level moment is over against the crest of elementary secondary sine wave, only make V7 constantly at this, the V71 conducting is to capacitor C 14, the C32 charging, voltage is directly proportional with elementary secondary sinusoidal wave amplitude respectively on the electric capacity, this voltage changes into the elementary level LVDTPRIDC of LVDT and LVDT level level LVDTSECDC respectively after wave filter N7 filtering, wherein comprise among the LVDTSECDC+side-play amount of 5V guarantee on the occasion of, the two is sent to A/D, is converted into digital quantity and calculates for software.
The negative pole of the elementary sine wave of LVDT sensor is DC level LVDTBITDC by resistance R70 feedback on the DCM2 module board through N7 and diode rectification, and whether projection LVDT sensor proper functioning.
When the present invention is work, expected angle computing module 1 is gathered crucial pressure, the temperature that sensor sensings such as temperature arrive, pressure information, according to the work at present status information, calculate the expectation open angle of air-intake guide vane (IGV), compare with the IGV physical location that transmits by highi degree of accuracy testing circuit in the displacement detecting module 6, deviation is passed to PI control module 2 and is controlled calculating, output control figure signal is given driver module 3, in the driver module 3 because the existence of the highly reliable drive circuit of highi degree of accuracy, driver module 3D/A is converted to driving voltage with digital signal and is converted to high-precision current through operational amplifier and driver again, last driving torque motor 4 drives IGV and rotates, and realizes the accurate control to the IGV angle.
Claims (9)
1. the control system of inlet guide vane (IGV) assembly in the engine system, it is characterized in that: the control system of inlet guide vane (IGV) assembly comprises expected angle computing module, PI control module, driver module, torque motor and displacement detecting module in the described engine system; Described expected angle computing module, PI control module, driver module and torque motor connect successively; Described torque motor links to each other with the PI control module by the displacement detecting module; Described torque motor output IGV air-intake guide vane angle.
2. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 1, it is characterized in that: described driver module comprises DA transducer, operational amplifier and power amplifier; Described PI control module links to each other with operational amplifier by the DA transducer; Described operational amplifier is connected with the power amplifier closed loop; Described power amplifier links to each other with torque motor.
3. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 2 is characterized in that: described operational amplifier is OP400 type operational amplifier or LF147 type operational amplifier.
4. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 2 is characterized in that: described power amplifier is transistor or field effect transistor.
5. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 1 is characterized in that: described displacement detecting module comprises actuation generator, sensor and Phase sensitive detector; Described sensor obtains the IGV air-intake guide vane angle of sending out by torque motor; Described actuation generator links to each other with Phase sensitive detector with sensor respectively; Described sensor links to each other with Phase sensitive detector; Described Phase sensitive detector links to each other with the PI control module.
6. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 1, it is characterized in that: described expected angle computing module comprises IGV air-intake guide vane expected angle computing unit, and described IGV air-intake guide vane expected angle computing unit is PowerPC, 80X86 series microprocessor, DSP or single-chip microcomputer.
7. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 1 is characterized in that: described PI control module is PowerPC, 80X86 series microprocessor, DSP or single-chip microcomputer.
8. according to the control system of inlet guide vane (IGV) assembly in the described engine system of the arbitrary claim of claim 1-7, it is characterized in that: the control system of inlet guide vane (IGV) assembly comprises fault detection module in the described engine system, and described fault detection module links to each other with driver module, torque motor and displacement detecting module respectively.
9. the control system of inlet guide vane (IGV) assembly in the engine system according to claim 8 is characterized in that: described fault detection module comprises sampling unit and fault judgement unit; Described sampling unit links to each other with the fault judgement unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010241945 CN101922357B (en) | 2009-12-23 | 2010-07-30 | Control system of inlet guide vane (IGV) assembly in engine system |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910312134 | 2009-12-23 | ||
| CN200910312134.6 | 2009-12-23 | ||
| CN 201010241945 CN101922357B (en) | 2009-12-23 | 2010-07-30 | Control system of inlet guide vane (IGV) assembly in engine system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101922357A true CN101922357A (en) | 2010-12-22 |
| CN101922357B CN101922357B (en) | 2013-07-24 |
Family
ID=43337515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010241945 Active CN101922357B (en) | 2009-12-23 | 2010-07-30 | Control system of inlet guide vane (IGV) assembly in engine system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101922357B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005794A (en) * | 2017-11-08 | 2018-05-08 | 中国航发北京航科发动机控制***科技有限责任公司 | A kind of aero-engine compressor guide blade adjusting device of step motor control |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908405A (en) * | 2005-08-03 | 2007-02-07 | 三菱重工业株式会社 | Inlet guide vane control device of gas turbine |
| EP2143908A2 (en) * | 2008-07-10 | 2010-01-13 | Hitachi Ltd. | Twin-shaft gas turbine |
| EP2187024A1 (en) * | 2007-11-06 | 2010-05-19 | Mitsubishi Heavy Industries, Ltd. | Operation controller and operation control method of gas turbine |
-
2010
- 2010-07-30 CN CN 201010241945 patent/CN101922357B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1908405A (en) * | 2005-08-03 | 2007-02-07 | 三菱重工业株式会社 | Inlet guide vane control device of gas turbine |
| US7422414B2 (en) * | 2005-08-03 | 2008-09-09 | Mitsubishi Heavy Industries, Ltd. | Inlet guide vane control device of gas turbine |
| EP2187024A1 (en) * | 2007-11-06 | 2010-05-19 | Mitsubishi Heavy Industries, Ltd. | Operation controller and operation control method of gas turbine |
| EP2143908A2 (en) * | 2008-07-10 | 2010-01-13 | Hitachi Ltd. | Twin-shaft gas turbine |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108005794A (en) * | 2017-11-08 | 2018-05-08 | 中国航发北京航科发动机控制***科技有限责任公司 | A kind of aero-engine compressor guide blade adjusting device of step motor control |
| CN108005794B (en) * | 2017-11-08 | 2021-07-06 | 中国航发北京航科发动机控制***科技有限公司 | Aero-engine compressor guide vane adjusting device controlled by stepping motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101922357B (en) | 2013-07-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU2012364270B2 (en) | Calibration of current sensors in parallel power converters | |
| CN109167545A (en) | Magneto alternator magnetic linkage on-line identification method and system | |
| EP2681477B1 (en) | Monitoring operation of a dc motor valve assembly | |
| KR102294575B1 (en) | Sensor fault diagnosis system for converter | |
| CN108134550A (en) | For the fault-tolerant current phasor measurement of electric machine control system | |
| CN103715959B (en) | Control device for alternating current generator | |
| CN203452119U (en) | Wide-flow-range water supply system for flow device | |
| CN108443063A (en) | Pitch-controlled system gravity returns paddle control method and device | |
| CN101922357B (en) | Control system of inlet guide vane (IGV) assembly in engine system | |
| US20140306632A1 (en) | Motor driving apparatus | |
| CN105991071A (en) | Constant moment control method for ECM motor | |
| CN104793161B (en) | Motor driven systems current sensor faults diagnostic method | |
| CN202215309U (en) | Aircraft engine high pressure rotor drive device | |
| CN109407000A (en) | Alternator failure detection circuit and method | |
| CN108223292A (en) | Wind generating set, barring system thereof, barring control method and device | |
| CN106124189A (en) | Novel emergency oil pump detection device | |
| CN104506108B (en) | Based on weber measurement and the Evaluation of AC Motor's Speed method of full rank flux observer | |
| CN103775436A (en) | Modularly-parallel, multi-machine and energy-saving reliability testing device for hydraulic pumps and hydraulic motors | |
| Sang et al. | The practical control technology design for AC servo motor based on STM32 micro-controller | |
| CN106787841B (en) | Rectification control system with redundant current feedback | |
| CN103899559B (en) | A kind of high-performance respiratory machine Turbine controller | |
| CN107389969A (en) | A kind of brushless dc tachometer | |
| CN108809155A (en) | A kind of high-precision control intelligent electric executer control system | |
| CN112229636A (en) | Debugging system based on electronic regulator | |
| CN207752118U (en) | A kind of ground unmanned plane motor electricity tune test device based on LABVIEW |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |