CN203515814U - Position closed-loop framework of engine control system - Google Patents
Position closed-loop framework of engine control system Download PDFInfo
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- CN203515814U CN203515814U CN201320214455.4U CN201320214455U CN203515814U CN 203515814 U CN203515814 U CN 203515814U CN 201320214455 U CN201320214455 U CN 201320214455U CN 203515814 U CN203515814 U CN 203515814U
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Abstract
The utility model belongs to the technology of engine control and relates to a position closed-loop framework of an engine control system. The position closed-loop framework comprises a digital electronic controller, a hydro-mechanical device and a sensor, wherein the digital electronic controller comprises a signal processing module, a position-difference control module and a driving module; the hydro-mechanical device comprises an electro-hydraulic conversion device and a hydraulic actuating module; the sensor is arranged on the hydro-mechanical device; and the driving module is connected with the electro-hydraulic conversion device, and the sensor is connected with the signal processing module. The position closed-loop framework has the advantages that the implementation of the position-difference control module in the digital electronic controller is completely changed from the original electronic hardware circuit into software, the flexible characteristics of the software can be fully utilized, flexible and changeful adjustment parameters and matching parameters are arranged, various control algorithms can be designed according to the need, the control for the position closed loop in the whole life cycle according to a position target value can be guaranteed, and a physical control platform for the position closed-loop framework with self adaptability, high reliability and high control quality is provided.
Description
Technical field
The utility model belongs to engine control technology, relates to a kind of engine control system position closed loop framework.
Background technique
In electronic engine management system, no matter be simulation electronic controller or digital electronic controller, all relate to the positioning control such as fuel flow, pressurized strut position, for guaranteeing these positioning control floatings, generally all adopted position closed loop framework, what the calculating of its position closed loop adopted is to be realized by electronic hardware circuit, and what adopt is the framework of electronic controller hardware closed-loop.In the hardware closed-loop framework of position, alternate position spike e calculating, Proportional coefficient K p, integral coefficient Ki and integration ∑ e, ratio-integration and etc. by hardware circuit, form.
For simulation electronic controller, adopt hardware closed-loop framework to realize position closed loop control and give no cause for much criticism, but for the control system that adopts digital electronic controller, adopt hardware closed-loop to control framework, will there is following deficiency:
1) parameter regulates needs start case: for hardware location closed loop framework, carrying out that electronic controller mates with system or hydro-mechanical unit etc. or during method revision, need to adjust hardware parameter or algorithm, method is to convert corresponding parameter or algorithm to hardware circuit, and definite corresponding hardware parameter, change hardware circuit or adjust the components and parts of adjustable hardware circuit, this will need unlocking electronic controller box, and plate technique is stretched in employing, the PCB circuit board that needs in electronic controller to adjust is picked out and adjusts or revise parameter, under test situation, this mode not only bothers, and be easily interfered and have an accident, and dangerous,
2) Modify rapidly control algorithm afterwards: once hardware circuit has been manufactured, its hardware electronic component parameter is also selected, the parameter being limited at the beginning of design is selected.The control algorithm of design possibly cannot meet position closed loop control needs in advance, need to readjust at the scene control algorithm, because circuit board has designed in advance, cannot in hardware circuit board, increase at the scene electrical apparatus element, thereby adjusts control algorithm;
3) position closed loop control algorithm cannot be carried out adaptive design: hardware closed-loop is that hardware circuit is realized due to what adopt, circuit is more complicated, reaching hardware self-adapting controls, the cost of spending is too high, adjust also and bother very much, therefore position hardware closed-loop control algorithm design is comparatively simple, cannot meet higher accuracy requirement.And hardware component has temporal evolution, there is the problems such as component failure, drift, do not there is the function of self-correction.After longer a period of time of components and parts work, there will be the static difference that causes because of components and parts drifts and the situation of dynamic characteristic variation.
Model utility content
The purpose of this utility model is: provide a kind of and can effectively simplify circuit, weight reduction and engine control system position closed loop framework easy to adjust.
The technical solution of the utility model is: a kind of engine control system position closed loop framework, and it comprises digital electronic controller, hydro-mechanical unit and sensor; Wherein, digital electronic controller is comprised of signal processing module, alternate position spike control module and driver module; Hydro-mechanical unit is comprised of electric liquid conversion equipment, hydraulic actuation module; Installation of sensors is on hydro-mechanical unit.
The driver module of digital electronic controller is connected with electric liquid conversion equipment, the sensor of measuring hydro-mechanical unit position is connected with signal processing module, and signal processing module output is connected with alternate position spike control module, and the output of alternate position spike control module is connected with driver module, forms closed loop control.
Described alternate position spike control module comprises alternate position spike e computing module, Proportional coefficient K p module, integral coefficient Ki module and integration summation ∑ e module, wherein, described alternate position spike e computing module input connects hydraulic actuation module and signal processing module, and Proportional coefficient K p module and integral coefficient Ki module are connected in parallel in the output of alternate position spike e computing module, integral coefficient Ki module is connected with ∑ e module afterwards and Proportional coefficient K p module is added output.
The utility model has the advantages that: by electronic controller hardware, provide platform support, by the combination of software and hardware, make full use of the advantage of software, solve motor Digital electronic control system debug, test and from the matching problem in different position closed loop loop etc., guarantee not open under the condition of cabinet at electronic controller, by software rapid adjustment, control parameter, accelerate engine tune-up, test and coupling work thereof.According to the feature of software flexible, can also design adaptive control algorithm and other more complicated control, diagnosis algorithm, give full play to the advantage of digital electronic controller.And utilize this position closed loop framework, and will simplify electronic controller partial circuit, alleviate the weight of electronic controller, save product cost, for the light weight of product provides a solution.
Accompanying drawing explanation
Fig. 1 is the utility model engine control system position closed loop configuration diagram.
Fig. 2 is the PI control algorithm theory diagram of alternate position spike control module.
Wherein, 10-digital electronic controller, 11-computing module, 12-alternate position spike control module, 13-driver module, 14-signal processing module, 20-hydro-mechanical unit, 21-electricity liquid conversion equipment, 22-hydraulic actuation module, 30-sensor; 15-Proportional coefficient K p, 16-integral coefficient Ki, 17-integration ∑ e.
Embodiment
Below the utility model is described in further details.
Refer to Fig. 1, it is the utility model engine control system position closed loop configuration diagram.Described engine control system position closed loop framework comprises digital electronic controller 10, hydro-mechanical unit 20 and sensor 30.Wherein, digital electronic controller 10 comprises signal processing module 14, alternate position spike control module 12 and driver module 13; Hydro-mechanical unit 20 comprises electric liquid conversion equipment 21, hydraulic actuation module 22.Described sensor 30 is installed on hydro-mechanical unit 20.The driver module 13 of digital electronic controller 10 is connected with electric liquid conversion equipment 21, the sensor 30 of measuring hydro-mechanical unit position is connected with signal processing module 14, and signal processing module 14 outputs are connected with alternate position spike control module 12, and 12 outputs of alternate position spike control module are connected with driver module 13, form closed loop control.
Refer to Fig. 2, it is alternate position spike control module schematic diagram in the utility model engine control system position closed loop framework.Described alternate position spike control module, in digital electronic controller, computing module is realized in conjunction with software, and it comprises alternate position spike e computing module, Proportional coefficient K p module, integral coefficient Ki module and integration summation module ∑ e.Alternate position spike e computing module calculated target positions and current value of feedback poor, Proportional coefficient K p module calculated value and integral coefficient Ki module, integration summation module ∑ e calculated value are added and obtain position control signal.Wherein, described alternate position spike e computing module input connects hydraulic actuation module 22 and signal processing module, and Proportional coefficient K p module 15 and integral coefficient Ki module 16 are connected in parallel in the output of alternate position spike e computing module, integral coefficient Ki module 16 is connected with ∑ e module 17 afterwards and Proportional coefficient K p module 15 is added output.
The digital electronic controller of the utility model engine control system position closed loop framework is inner, according to overall goal demand for control, calculate desired location desired value, the currency that Place object value and position feedback transducer feed back compares, the difference that comparative result forms, by the position closed loop algorithm by setting, calculate, and result of calculation is exported by driver module, drive the work of electric liquid conversion equipment, the start of final control hydraulic actuation module, change sensor feedback value, also changed position difference, thereby again obtain the controlled quentity controlled variable of electric liquid conversion equipment, form a dynamic closed loop control, until the currency of sensor feedback reaches the desired value that system needs.
The utility model is divided and implementation by optimizing electronic controller hardware and software feature, obtains position software closed loop framework.Alternate position spike e computing module in this position software closed loop framework, Proportional coefficient K p module, integral coefficient Ki module and integration summation module ∑ e complete corresponding calculating by software, and realize by hardware circuit computing module.Because the software of the features such as convenience in conjunction with the flexibility that has and adjustment is realized, therefore, position software closed loop framework has can real time modifying characteristic, be production out after, can be according to on-the-spot actual conditions, pass through communication modes, alternate position spike control module is carried out to parameter to be adjusted in real time, also can be according to the concrete feature of position closed loop, design more complicated adaptive control algorithm, solution is because changing compared with long or control object the parameter matching problem causing service time, guarantee position closed loop control accuracy, thereby improve the control quality in position closed loop loop, system development cycle and debugging cycle have been accelerated.Because software is by after testing, the problem that does not exist software to lose efficacy in time, therefore has higher reliability.Employing realizes alternate position spike control module in conjunction with software in computing module, has saved corresponding hardware circuit cost, has improved the competitive advantage of product.
Claims (3)
1. an engine control system position closed loop framework, is characterized in that: comprise digital electronic controller, hydro-mechanical unit and sensor; Wherein, digital electronic controller is comprised of signal processing module, alternate position spike control module and driver module; Hydro-mechanical unit is comprised of electric liquid conversion equipment, hydraulic actuation module; Installation of sensors is on hydro-mechanical unit.
2. engine control system position closed loop framework according to claim 1, it is characterized in that: the driver module of digital electronic controller is connected with electric liquid conversion equipment, the sensor of measuring hydro-mechanical unit position is connected with signal processing module, and signal processing module output is connected with alternate position spike control module, and the output of alternate position spike control module is connected with driver module, form closed loop control.
3. engine control system position closed loop framework according to claim 2, it is characterized in that: described alternate position spike control module comprises alternate position spike e computing module, Proportional coefficient K p module, integral coefficient Ki module and integration summation ∑ e module, wherein, described alternate position spike e computing module input connects hydraulic actuation module and signal processing module, and Proportional coefficient K p module and integral coefficient Ki module are connected in parallel in the output of alternate position spike e computing module, integral coefficient Ki module is connected with ∑ e module afterwards and Proportional coefficient K p module is added output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320214455.4U CN203515814U (en) | 2013-04-24 | 2013-04-24 | Position closed-loop framework of engine control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320214455.4U CN203515814U (en) | 2013-04-24 | 2013-04-24 | Position closed-loop framework of engine control system |
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| CN203515814U true CN203515814U (en) | 2014-04-02 |
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| CN201320214455.4U Expired - Lifetime CN203515814U (en) | 2013-04-24 | 2013-04-24 | Position closed-loop framework of engine control system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761795A (en) * | 2020-12-29 | 2021-05-07 | 中国航发控制系统研究所 | Control system and method for single-rotor turboprop power device |
-
2013
- 2013-04-24 CN CN201320214455.4U patent/CN203515814U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112761795A (en) * | 2020-12-29 | 2021-05-07 | 中国航发控制系统研究所 | Control system and method for single-rotor turboprop power device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 104, Liangxi Road, Binhu District, Wuxi City, Jiangsu Province Patentee after: AECC AERO ENGINE CONTROL SYSTEM INSTITUTE Address before: 214063 No. 792 Liangxi Road, Wuxi City, Jiangsu Province Patentee before: AVIC AVIATION MOTOR CONTROL SYSTEM INSTITUTE |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140402 |