CN109656238A - A kind of engine fuel control test equipment electronic controller - Google Patents
A kind of engine fuel control test equipment electronic controller Download PDFInfo
- Publication number
- CN109656238A CN109656238A CN201910105826.7A CN201910105826A CN109656238A CN 109656238 A CN109656238 A CN 109656238A CN 201910105826 A CN201910105826 A CN 201910105826A CN 109656238 A CN109656238 A CN 109656238A
- Authority
- CN
- China
- Prior art keywords
- module
- signal
- electronic controller
- test equipment
- engine fuel
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- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 239000000446 fuel Substances 0.000 title claims abstract description 19
- 230000003750 conditioning effect Effects 0.000 claims abstract description 23
- 230000005284 excitation Effects 0.000 claims abstract description 9
- 238000012545 processing Methods 0.000 claims description 11
- 230000009466 transformation Effects 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to controller technology fields, and disclose a kind of engine fuel control test equipment electronic controller, source module is motivated including AD598, differential transformer sensor, AD598 signal conditioning module, MCU micro-control unit and valve, it is connected between the AD598 excitation source module and differential transformer sensor by electric signal, it is connected between the differential transformer sensor and AD598 signal conditioning module by electric signal, it is connected between the AD598 signal conditioning module and MCU control module by electric signal, it is connected between the MCU control module and valve by electric signal.The engine fuel control test equipment electronic controller, enables to the design cycle of electronic controller short, while being also equipped with advantage versatile and that control is stable.
Description
Technical field
The present invention relates to controller technology field, specially a kind of engine fuel control test equipment electronics control
Device processed.
Background technique
RVDT (Rotary Variable Differential Transformer) is the contracting of Rotary Variable Differential transformer
It writes, belongs to angular displacement sensor.The rotation of mechanical part is transmitted on the axis of angular displacement sensor, drive is attached thereto
Spoiler/iron core, change coil in induced voltage/inductance, output with rotation angle it is proportional voltage/current letter
Number.RVDT non-contact design has unlimited resolution ratio, long service life, feature with high accuracy, it can be achieved that 360 ° of rotation measurings,
It is widely used in the transmission and feedback control of the equipment such as ball valve position, hydraulic pump, fork truck, robot, blower.
LVDT (Linear Variable Differential Transformer) is linear variable difference transformer
Abbreviation, belongs to linear displacement transducer.Working principle is briefly the movable transformer of iron core.It is by a primary coil, and two
A secondary coil, iron core, coil rack, the components such as shell composition.In the LVDT course of work, the movement of iron core cannot exceed coil
The range of linearity, otherwise will generate non-linear value, therefore all LVDT have a range of linearity.
RVDT/LVDT is measured, then needs to be fixed frequency to it, the excitation power supply of fixed voltage, what is used now is general
The voltage required all over the general difference of solution of test electronic sensor, its driving source of the differential transformer sensor of different model
Frequency is different.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of engine fuel control test equipment electronics controls
Device processed has and enables to the design cycle of electronic controller short, while being also equipped with the advantages that versatile and control is stablized, solution
Determined and generally tested the general difference of solution of electronic sensor on the market now, the differential transformer sensor of different model its
The different problem of electric voltage frequency that driving source requires.
(2) technical solution
In order to achieve the above object, the invention provides the following technical scheme: a kind of test of engine fuel control is set
Spare electronic controller, including AD598 excitation source module, differential transformer sensor, AD598 signal conditioning module, MCU control
Module and valve, it is characterised in that: connected between the AD598 excitation source module and differential transformer sensor by electric signal
It connects, is connected between the differential transformer sensor and AD598 signal conditioning module by electric signal, the AD598 signal tune
It manages and is connected between module and MCU control module by electric signal, connected between the MCU control module and valve by electric signal
It connects.
Preferably, the AD598 voltage regulator module, including signal voltage frequency adjusts and signal voltage amplitude is adjusted.
Preferably, the MCU control module includes MCU micro-control unit, data processing module, display module and valve control
Molding block.
Preferably, the AD598 excitation source module makes it generate exciting signal frequency adjusting to stable frequency by circuit
Then rate passes through amplifier amplified signal power, the final driving source for generating driving differential transformer sensor.
Preferably, the AD598 signal conditioning module is the analog signal for exporting differential transformer sensor, is transformed into
Stablize clean signal, is specifically completed by the signal conditioning circuit of AD598 signal conditioning module.
Preferably, the valve control module uses the aperture of pid algorithm and driving circuit control valve.
Preferably, the AD598 excitation source module adjusts electric voltage frequency and amplitude by adjustable resistor.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of engine fuel control test equipment electronic controls
Device, have it is following the utility model has the advantages that
The engine fuel control test equipment electronic controller motivates source module to pass through adjustable by AD598
Resistor adjusts the frequency and amplitude of pumping signal, is exported differential transformer sensor by AD598 signal conditioning module
Analog signal, be transformed into and stablize clean signal, the sensitivity of sensor could be improved in this way.MCU control module passes through number
It is handled according to signal of the processing module to AD598 signal conditioning module, according to processing result come control valve, MCU microcontroller
Unit assigns instruction according to the processing result of data processing module and the feedback information of valve, to valve control module, to valve
Aperture controlled, so that control result is achieved the desired purpose, so as to shorten the design cycle of electronic controller, be also equipped with simultaneously
Advantage versatile and that control is stable.
Detailed description of the invention
Fig. 1 is a kind of module map of engine fuel control test equipment electronic controller proposed by the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, a kind of engine fuel control test equipment electronic controller, including AD598 driving source
Module, differential transformer sensor, AD598 signal conditioning module, MCU micro-control unit and valve, the AD598 driving source
It is connected between module and differential transformer sensor by electric signal, the differential transformer sensor and AD598 signal condition
Between module by electric signal connect, between the AD598 signal conditioning module and MCU by electric signal connect, the MCU and
It is connected between valve by electric signal.
AD598 voltage regulator module, including signal voltage frequency adjusts and signal voltage amplitude is adjusted.
MCU control module includes MCU, data processing module, display module and valve control module.
AD598 motivates source module so that it is generated exciting signal frequency by adjustable resistance and adjusts to stable frequency, then
By amplifier amplified signal power, the final driving source for generating driving differential transformer sensor.
AD598 signal conditioning module is the analog signal for exporting differential transformer sensor, is transformed into and stablizes completely
Signal is specifically completed by the signal conditioning circuit of AD598 signal conditioning module.
Preferably, the valve control module uses the aperture of pid algorithm and driving circuit control valve.
Preferably, the AD598 excitation source module adjusts electric voltage frequency and amplitude by adjustable resistor.
In conclusion the engine fuel control test equipment electronic controller, motivates source module by AD598
The frequency and amplitude that pumping signal is adjusted by adjustable resistor are passed differential transformer by AD598 signal conditioning module
The analog signal of sensor output, is transformed into and stablizes clean signal, could improve the sensitivity of sensor in this way.MCU controls mould
Block is handled by signal of the data processing module to AD598 signal conditioning module, according to processing result come control valve,
MCU micro-control unit assigns finger according to the processing result of data processing module and the feedback information of valve, to valve control module
It enables, the aperture of valve is controlled, control result is made to achieve the desired purpose, so as to shorten the design cycle of electronic controller,
It is also equipped with advantage versatile and that control is stable simultaneously.
It should be noted that term " includes " or any other variant thereof is intended to cover non-exclusive inclusion, thus
So that the process, method, article or equipment for including a series of elements not only includes those elements, but also including not clear
The other element listed, or further include for elements inherent to such a process, method, article, or device.Do not having more
In the case where more limitations, the element that is limited by sentence "including a ...", it is not excluded that including process, the side of the element
There is also other identical elements in method, article or equipment.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of engine fuel control test equipment electronic controller, including AD598 motivate source module, differential transformation
Device sensor, AD598 signal conditioning module, MCU control module and valve, it is characterised in that: the AD598 motivates source module
It is connect between differential transformer sensor by electric signal, the differential transformer sensor and AD598 signal conditioning module
Between by electric signal connect, between the AD598 signal conditioning module and MCU control module by electric signal connection, it is described
It is connected between MCU control module and valve by electric signal.
2. a kind of engine fuel control test equipment electronic controller according to claim 1, feature exist
In: the AD598 voltage regulator module, including signal voltage frequency adjusts and signal voltage amplitude is adjusted.
3. a kind of engine fuel control test equipment electronic controller according to claim 1, feature exist
In: the MCU control module includes MCU micro-control unit, data processing module, display module and valve control module.
4. a kind of engine fuel control test equipment electronic controller according to claim 1, feature exist
In: the AD598 excitation source module makes it generate exciting signal frequency adjusting to stable frequency by adjustable resistance, then leads to
Amplifier amplified signal power is crossed, the final driving source for generating driving differential transformer sensor.
5. a kind of engine fuel control test equipment electronic controller according to claim 1, feature exist
In: the AD598 signal conditioning module is the analog signal for exporting differential transformer sensor, is transformed into and stablizes clean letter
Number, specifically completed by the signal conditioning circuit of AD598 signal conditioning module.
6. a kind of engine fuel control test equipment electronic controller according to claim 3, feature exist
In: the valve control module uses the aperture of pid algorithm and driving circuit control valve.
7. a kind of engine fuel control test equipment electronic controller according to claim 1, feature exist
In: the AD598 excitation source module adjusts electric voltage frequency and amplitude by adjustable resistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105826.7A CN109656238A (en) | 2019-02-01 | 2019-02-01 | A kind of engine fuel control test equipment electronic controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910105826.7A CN109656238A (en) | 2019-02-01 | 2019-02-01 | A kind of engine fuel control test equipment electronic controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109656238A true CN109656238A (en) | 2019-04-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910105826.7A Pending CN109656238A (en) | 2019-02-01 | 2019-02-01 | A kind of engine fuel control test equipment electronic controller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748442A (en) * | 2019-09-27 | 2020-02-04 | 同济大学 | Throttle-free air inlet system of spark ignition engine and power control method |
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| US20050283330A1 (en) * | 2004-06-16 | 2005-12-22 | Laraia Jose M | Reactive sensor modules using pade' approximant based compensation and providing module-sourced excitation |
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| CN104802087A (en) * | 2015-04-08 | 2015-07-29 | 河南科技大学 | Digital active measuring instrument for grinding processing |
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-
2019
- 2019-02-01 CN CN201910105826.7A patent/CN109656238A/en active Pending
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| US20050283330A1 (en) * | 2004-06-16 | 2005-12-22 | Laraia Jose M | Reactive sensor modules using pade' approximant based compensation and providing module-sourced excitation |
| CN101126624A (en) * | 2007-09-18 | 2008-02-20 | 中国计量学院 | Plant leaf parameter measuring instrument |
| CN201173760Y (en) * | 2008-04-03 | 2008-12-31 | 马云鹏 | Differential transformer location signal amplification transmission equipment |
| CN101363380A (en) * | 2008-10-09 | 2009-02-11 | 张和君 | Electric-controlled petrol engine work system |
| CN101435689A (en) * | 2008-12-18 | 2009-05-20 | 中国计量学院 | Method and instrument for measuring underground displacement of integrated sensor based on underground displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110748442A (en) * | 2019-09-27 | 2020-02-04 | 同济大学 | Throttle-free air inlet system of spark ignition engine and power control method |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190419 |
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| RJ01 | Rejection of invention patent application after publication |