CN204631477U - A kind of aero-engine control unit rapid prototyping framework - Google Patents
A kind of aero-engine control unit rapid prototyping framework Download PDFInfo
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- CN204631477U CN204631477U CN201520207930.4U CN201520207930U CN204631477U CN 204631477 U CN204631477 U CN 204631477U CN 201520207930 U CN201520207930 U CN 201520207930U CN 204631477 U CN204631477 U CN 204631477U
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Abstract
The utility model discloses a kind of aero-engine control unit rapid prototyping framework, comprise virtual instrument equipment and signal condition driver element, wherein, virtual instrument equipment, for loading the Controlling model in host computer, realizes the high-precision analog outputed signal after the configuration of signal condition driver element; Signal condition driver element comprises servo-valve electric current driver module, LVDT displacement signal conditioning module, thermal resistance temperature signal regulation module, thermocouple temperature signal regulation module, piezoresistive pressure Signal-regulated kinase and tach signal conditioning module, for nursing one's health the engine sensor signal of input.The utility model can with real engine sensor and actuator interface, the bench test replacing real controllers to carry out engine controls, or studies for the rapid control prototyping l-G simulation test of engine control system.
Description
Technical field
The utility model relates to aeroengine control field, particularly relates to a kind of aero-engine control unit rapid prototyping framework.
Background technology
Along with the continuous lifting required aero-engine performance, aeroengine control system is increasingly sophisticated.In recent years, rapid control prototyping technology becomes the effective way solving aeroengine control system design gradually.Rapid control prototyping refers to the initial stage in system development, sets up controller model fast, and carries out various off-line and on-line testing to verify the feasibility of software and hardware scheme to whole system.For the aeroengine control system of complexity, Problems existing can be found at the design initial stage by rapid control prototyping technology, to revise prototype or parameter, then carry out real-time testing, such iteration is carried out, and final generation one meets demand for control and reasonable control prototype reliably completely.Utilize Rapid Control Prototype Development of Dual aeroengine control system to overcome the shortcoming that the method for designing cycle is long, cost is high and risk is high of traditional complete physically based deformation platform, greatly improve development efficiency, substantially reduce the construction cycle.
Although rapid control prototyping possesses plurality of advantages, the general internal mechanism of aero-engine control unit rapid prototyping platform of current domestic employing is not developed, and the signal for aeromotor inside complexity is difficult to realize freedom and flexibility configuration.On the other hand, due to the simulation precision of part signal or suitability undesirable, be difficult to and real engine sensor and actuator interface, thus real controller cannot be replaced to carry out bench test, this has obviously run counter to the original intention of rapid control prototyping.
Utility model content
Technical problem to be solved in the utility model is for defect involved in background technology, a kind of aero-engine control unit rapid prototyping framework is provided, for the fast verification of aeroengine control system design phase, improve the development efficiency of control system, reduce development cost.
The utility model is for solving the problems of the technologies described above by the following technical solutions:
A kind of aero-engine control unit rapid prototyping framework, comprises virtual instrument equipment and signal condition driver element;
Described virtual instrument equipment, for loading the Controlling model in host computer, realizes the high-precision analog outputed signal after the configuration of signal condition driver element;
Described signal condition driver element comprises servo-valve electric current driver module, LVDT displacement signal conditioning module, thermal resistance temperature signal regulation module, thermocouple temperature signal regulation module, piezoresistive pressure Signal-regulated kinase and tach signal conditioning module, for nursing one's health the engine sensor signal of input;
Described servo-valve electric current driver module be used for according to virtual instrument equipment load Controlling model control strategy the voltage signal that virtual instrument equipment exports is converted into current signal after export;
Described LVDT displacement signal conditioning module is used for providing sinusoidal excitation signal to outside LVDT displacement transducer, passes to virtual instrument equipment after converting the signal of the LVDT displacement transducer received to corresponding analog voltage signal simultaneously;
Described thermal resistance temperature signal regulation module is used for the thermal resistance temperature signal received being converted to voltage signal and carrying out amplifying rear output;
Described thermocouple temperature signal regulation module passes to virtual instrument equipment after being used for the thermocouple temperature signal received being zoomed into volt step voltage;
Described piezoresistive pressure Signal-regulated kinase passes to virtual instrument equipment after being used for the piezoresistive pressure signal received being zoomed into volt step voltage;
Described tach signal conditioning module passes to virtual instrument equipment after being used for the tach signal received to zoom into the square-wave signal of volt level.
As the further prioritization scheme of a kind of aeromotor rapid control prototyping framework of the utility model, described signal condition driver element also comprises DA expansion module, and described DA expansion module adopts open bus SPI interface to be connected with virtual instrument equipment.
As the further prioritization scheme of a kind of aeromotor rapid control prototyping framework of the utility model, described signal condition driver element also comprises AD expansion module, and described AD expansion module adopts open bus SPI interface to be connected with virtual instrument equipment.
As the further prioritization scheme of a kind of aeromotor rapid control prototyping framework of the utility model, described virtual instrument equipment comprises FPGA FPGA (Field Programmable Gate Array) interface.
As the further prioritization scheme of a kind of aeromotor rapid control prototyping framework of the utility model, described virtual instrument equipment virtual instrument equipment have employed the sbRIO-9631 of NI company.
The utility model adopts above technical scheme compared with prior art, has following technique effect:
The utility model proposes virtual instrument and add configurable modular signal conditioning unit framework, experimentally can require that flexible configuration is come and real engine sensor and actuator interface, thus replace real controllers carry out bench test control or study for the rapid control prototyping l-G simulation test of engine control system, and comprise DA expansion module and the AD expansion module of the SPI Interface Controller of open bus, compensate for the deficiency of the intrinsic resource of virtual instrument, thus support the virtual instrument equipment interconnection with Multiple Type.
Accompanying drawing explanation
Fig. 1 is system architecture diagram of the present utility model;
Fig. 2 is the module diagram of signal condition driver element.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is described in further detail:
The utility model discloses a kind of aero-engine control unit rapid prototyping framework, comprise virtual instrument equipment and signal condition driver element;
Described virtual instrument equipment, for loading the Controlling model in host computer, realizes the high-precision analog of output signal with configuration signal conditioning driver element;
Described signal condition driver element comprises servo-valve electric current driver module, LVDT displacement signal conditioning module, thermal resistance temperature signal regulation module, thermocouple temperature signal regulation module, piezoresistive pressure Signal-regulated kinase and tach signal conditioning module, for nursing one's health the engine sensor signal of input;
Described servo-valve electric current driver module be used for according to virtual instrument equipment load Controlling model control strategy the voltage signal that virtual instrument equipment exports is converted into current signal after export;
Described LVDT displacement signal conditioning module is used for providing sinusoidal excitation signal to outside LVDT displacement transducer, passes to virtual instrument equipment after converting the signal of the LVDT displacement transducer received to corresponding analog voltage signal simultaneously;
Described thermal resistance temperature signal regulation module is used for the thermal resistance temperature signal received being converted to voltage signal and carrying out amplifying rear output;
Described thermocouple temperature signal regulation module passes to virtual instrument equipment after being used for the thermocouple temperature signal received being zoomed into volt step voltage;
Described piezoresistive pressure Signal-regulated kinase passes to virtual instrument equipment after being used for the piezoresistive pressure signal received being zoomed into volt step voltage;
Described tach signal conditioning module passes to virtual instrument equipment after being used for the tach signal received to zoom into the square-wave signal of volt level.
Described signal condition driver element also comprises DA expansion module and AD expansion module, all adopts open bus SPI interface to be connected with virtual instrument equipment.
Open, modular aero-engine control unit rapid prototyping framework as shown in Figure 1, virtual instrument equipment and configurable signal condition driver element are carried out physical connection, in host computer, utilize graphical language LabVIEW to design aeroengine control logical and algorithm model, by real time workshop technology, Controlling model compiling is downloaded in the Real-time hardware platform of virtual instrument equipment, according to control real needs configuration signal conditioning driver module, then now virtual instrument equipment and signal condition unit together form rapid control prototyping machine, its can with real engine sensor and actuator interface, thus replace real controllers to carry out bench test control, or study for the rapid control prototyping l-G simulation test of engine control system.
Aeroengine control system step-length is generally 20ms, virtual instrument equipment herein have employed the sbRIO-9631 of NI company, and it is equipped with 266Mhz processor, and cycle period is dithered as musec order, which ensure that the emulation real-time of control system, improve the degree of confidence of control imitation result.In addition, its integrated 100 ten thousand reconfigurable I/O (RIO) FPGA are used for self-defining timing, online process and control, it has the analog input channel of 32 tunnel 16 bit resolutions simultaneously, the analog output channel of 4 tunnel 16 bit resolutions, rich in natural resources ensure that it can drive conditioning unit to dock with configurable signal.
As shown in Figure 2, configurable signal drives conditioning unit to comprise power module, servo-valve electric current driver module, LVDT displacement signal conditioning module, thermal resistance temperature signal regulation module, thermocouple temperature signal regulation module, piezoresistive pressure Signal-regulated kinase, tach signal conditioning module.Signal condition driver element one end is docked with sbRIO, and the other end is then connected with sensor with real topworks.
Servo-valve electric current driver module: the input signal due to topworks's servo-valve is generally-40mA ~ 40mA, and sbRIO can only outputting analog signal, therefore adopt valve signal driver module that voltage signal is converted into current signal, so just controller output signal can be converted to the servo valve control signal of actual conditions.
LVDT displacement signal conditioning module: real LVDT sensor needs controller to provide pumping signal, LVDT conditioning module provides the sinusoidal signal that good stability, precision are high to sensor by oscillatory circuit, simultaneously, the two-way sinusoidal signal that module acquires sensor exports, and carry out conditioning and convert thereof into corresponding analog voltage signal and gather for sbRIO.
Thermal resistance temperature signal regulation module: what thermal resistance sensor exported is a resistance signal, and the electric bridge in thermal resistance conditioning module is converted into voltage signal and carries out amplifying to facilitate AD acquisition process.
Thermocouple temperature signal regulation module: in engine, portion temperature uses the thermocouple measurement of K type, its output valve is generally the voltage signal of millivolt level, poor anti jamming capability, and thermocouple conditioning module is zoomed into volt step voltage and gathers for sbRIO, its antijamming capability is good, and precision is high.
Piezoresistive pressure Signal-regulated kinase: measure pressure in engine and generally use piezoresistance sensor, its output signal is millivolt magnitude voltage signals, and pressure drag conditioning module is zoomed into volt step voltage for acquisition system collection.Meanwhile, pressure drag conditioning module also needs to provide stable voltage signal to pressure drag bridge road;
Tach signal conditioning module: the signal that engine speed sensor exports is generally millivolt level slight sinusoidal voltage signal, rotating speed conditioning module is amplified the square-wave signal nursing one's health into volt level and is supplied acquisition system collection.
The basic comprising of signal condition driver element is belonged to upper module, each module all comprises multichannel and reuses passage, before experiment starts, can according to real needs flexible configuration modules, this open framework ensure that conventional efficient, and improve system survivability, save experimentation cost greatly.
Due to the DA resource-constrained of the virtual instrument equipment such as sbRIO, in order to support that multi-way control signals exports, configurable signal condition driver element comprises DA expansion module, utilize the expansion of resource of open bus SPI Interface realization, such design makes signal drive conditioning unit to adapt to multiple virtual instrument equipment, improves the versatility of platform.
Those skilled in the art of the present technique are understandable that, unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) have the meaning identical with the general understanding of the those of ordinary skill in field belonging to the utility model.Should also be understood that those terms defined in such as general dictionary should be understood to have the meaning consistent with the meaning in the context of prior art, unless and define as here, can not explain by idealized or too formal implication.
Above-described embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only embodiment of the present utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (5)
1. an aero-engine control unit rapid prototyping framework, is characterized in that, comprises virtual instrument equipment and signal condition driver element;
Described virtual instrument equipment, for loading the Controlling model in host computer, realizes the high-precision analog outputed signal after the configuration of signal condition driver element;
Described signal condition driver element comprises servo-valve electric current driver module, LVDT displacement signal conditioning module, thermal resistance temperature signal regulation module, thermocouple temperature signal regulation module, piezoresistive pressure Signal-regulated kinase and tach signal conditioning module, for nursing one's health the engine sensor signal of input;
Described servo-valve electric current driver module be used for according to virtual instrument equipment load Controlling model control strategy the voltage signal that virtual instrument equipment exports is converted into current signal after export;
Described LVDT displacement signal conditioning module is used for providing sinusoidal excitation signal to outside LVDT displacement transducer, passes to virtual instrument equipment after converting the signal of the LVDT displacement transducer received to corresponding analog voltage signal simultaneously;
Described thermal resistance temperature signal regulation module is used for the thermal resistance temperature signal received being converted to voltage signal and carrying out amplifying rear output;
Described thermocouple temperature signal regulation module passes to virtual instrument equipment after being used for the thermocouple temperature signal received being zoomed into volt step voltage;
Described piezoresistive pressure Signal-regulated kinase passes to virtual instrument equipment after being used for the piezoresistive pressure signal received being zoomed into volt step voltage;
Described tach signal conditioning module passes to virtual instrument equipment after being used for the tach signal received to zoom into the square-wave signal of volt level.
2. aero-engine control unit rapid prototyping framework according to claim 1, is characterized in that, described signal condition driver element also comprises DA expansion module, and described DA expansion module adopts open bus SPI interface to be connected with virtual instrument equipment.
3. aero-engine control unit rapid prototyping framework according to claim 1, is characterized in that, described signal condition driver element also comprises AD expansion module, and described AD expansion module adopts open bus SPI interface to be connected with virtual instrument equipment.
4. aero-engine control unit rapid prototyping framework according to claim 1, is characterized in that, described virtual instrument equipment comprises FPGA FPGA (Field Programmable Gate Array) interface.
5. aero-engine control unit rapid prototyping framework according to claim 1, is characterized in that, described virtual instrument equipment virtual instrument equipment have employed the sbRIO-9631 of NI company.
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| CN201520207930.4U CN204631477U (en) | 2015-04-08 | 2015-04-08 | A kind of aero-engine control unit rapid prototyping framework |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749967A (en) * | 2015-04-08 | 2015-07-01 | 南京航空航天大学 | Quick prototype architecture of aero-engine control unit |
| CN105446226A (en) * | 2015-12-23 | 2016-03-30 | 中国航天空气动力技术研究院 | Aero engine controller |
| CN114545805A (en) * | 2020-11-24 | 2022-05-27 | 中国航发商用航空发动机有限责任公司 | Method, device and system for online adjustment of control parameters of aircraft engine |
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2015
- 2015-04-08 CN CN201520207930.4U patent/CN204631477U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104749967A (en) * | 2015-04-08 | 2015-07-01 | 南京航空航天大学 | Quick prototype architecture of aero-engine control unit |
| CN105446226A (en) * | 2015-12-23 | 2016-03-30 | 中国航天空气动力技术研究院 | Aero engine controller |
| CN114545805A (en) * | 2020-11-24 | 2022-05-27 | 中国航发商用航空发动机有限责任公司 | Method, device and system for online adjustment of control parameters of aircraft engine |
| CN114545805B (en) * | 2020-11-24 | 2023-08-04 | 中国航发商用航空发动机有限责任公司 | Method, device and system for on-line adjustment of aero-engine control parameters |
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Granted publication date: 20150909 Termination date: 20170408 |