CN105569895B - A kind of control method of electric-controlling injection system - Google Patents
A kind of control method of electric-controlling injection system Download PDFInfo
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- CN105569895B CN105569895B CN201610014154.5A CN201610014154A CN105569895B CN 105569895 B CN105569895 B CN 105569895B CN 201610014154 A CN201610014154 A CN 201610014154A CN 105569895 B CN105569895 B CN 105569895B
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- electric
- electromagnetic actuator
- temperature
- sensor
- controller
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M51/00—Fuel-injection apparatus characterised by being operated electrically
- F02M51/06—Injectors peculiar thereto with means directly operating the valve needle
- F02M51/061—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means
- F02M51/0696—Injectors peculiar thereto with means directly operating the valve needle using electromagnetic operating means characterised by the use of movable windings
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of electric-controlling injection system and its control methods, it is mainly made of controller, driving circuit, electric-controlled injection device, temperature sensor, displacement sensor, current sensor, signal conditioning circuit, the electromagnetic actuator linear convergent rate strategy based on temperature rise compensation；Temperature, valve displacement and the current signal of moving coil type electromagnetic actuator in current sensor, displacement sensor and temperature sensor real-time monitoring electric-controlled injection device, and controller is fed back to through signal conditioning circuit, controller combines operation foundation of the electromagnetic actuator linear convergent rate strategy compensated based on temperature rise as its output pressure signal and control driving circuit output size of current, the electromagnetic force of accurate amendment driving valve special exercise rule.The configuration of the present invention is simple, control are accurate, using the electromagnetic actuator linear convergent rate strategy compensated based on temperature rise, effectively compensate for loss caused by temperature rise, improve the operating accuracy of electric-controlled injection device.
Description
Technical field
The present invention relates to a kind of electric-controlling injection system field, in particular to a kind of electric-controlling injection system and its control method.
Technical background
Electric-controlled injection device in electric-controlling injection system is the final executive component of engine fuel supply system, control
Characteristic, response speed, seating velocity and discharge characteristic etc. have the correlated performance of automatically controlled fuel feed system and engine
Very big influence, be one of the component of most critical in automatically controlled fuel feed system, be constantly subjected to domestic and international correlation in recent years and grind
Study carefully the concern of mechanism.Existing research reduces emphatically the height generated in electric-controlled injection device work by taking cooling measure
Temperature, the problems such as temperature rise bring energy loss is reduced with this.Such methods can occupy limited space while reducing temperature
Resource and unnecessary energy loss, and the reduction of temperature needs the regular hour, not real-time control temperature is in required model
In enclosing.At present need to develop it is a set of can real-time compensation temperature rise to electric-controlled injection device cause loss control method, guarantee
Injection apparatus can realize more accurate fuel injection according to scheduled rule.
Electric-controlled injection device execution unit is executed using moving coil type electromagnetic in the electric-controlling injection system that the present invention studies
Device, such actuator can be by sense of current, size and conversion times in control coil to moving coil type electromagnetic actuator motions
Direction, speed and stroke adjusted, therefore only accurately control electric current and be just able to achieve to electric-controlled injection device valve position
The accurate control moved.In the moving coil type electromagnetic actuator course of work, electric current conversion frequency is generally excessively high, coil cutting magnetic field fortune
It is dynamic frequent, it is easy to cause its operating temperature excessively high, generation system reliability decrease and the nonlinear interaction of electromagnetic coupling field etc. are asked
Topic, causes energy loss when work, causes original current control method not accurate enough, cannot provide satisfaction driving valve fortune
Move the electromagnetic force of specific position.It should fully consider that temperature rise bring is lost, and combine the electromagnetic actuator compensated based on temperature rise
Operation foundation of the linear convergent rate strategy as controller output pressure signal and control driving circuit output size of current, is automatically controlled
Injection apparatus provides accurate electromagnetic force, to realize more accurate valve motion rule.
Summary of the invention
The purpose of the present invention is to provide a kind of structures simply, control is accurate, high reliablity, being capable of real-time perfoming temperature rise benefit
It repays, the electric-controlling injection system and its control method that operating accuracy effectively improves.
The technical solution for realizing the aim of the invention is as follows：A kind of electric-controlling injection system and its control method, feature exist
In：Including controller, driving circuit, electric-controlled injection device, temperature sensor, displacement sensor, current sensor, signal condition
Circuit, the electromagnetic actuator linear convergent rate strategy based on temperature rise compensation；Temperature sensor, displacement sensor, current sensor are real
When monitoring electric-controlled injection device in electromagnetic actuator operating temperature, valve displacement and electric current, the signal measured is through signal condition
Circuit passes to controller, and controller is judged at this time by received temperature signal with the presence or absence of the non-linear of electromagnetic coupling field
Effect and energy loss calculate compensation electromagnetic actuator according to the electromagnetic actuator linear convergent rate strategy based on temperature rise compensation
The specific method of middle electromagnetic force loss, is adjusted driving circuit input pressure signal, and then adjust electric current in driving circuit
Output, i.e., the electromagnetic force of accurate amendment driving valve special exercise rule compensates temperature rise bring energy loss, controller leads to
It crosses received valve displacement signal and current signal obtains the working condition of electromagnetic actuator when electric-controlled injection device works in real time,
The accuracy for the electromagnetic actuator linear convergent rate strategy that real-time verification is compensated based on temperature rise realizes that electric-controlled injection device is quick, smart
True work.
The controller 1 of the built-in electromagnetic actuator linear convergent rate strategy 8 based on temperature rise compensation receives temperature sensing
The signal of 6 real-time delivery of device 4, displacement sensor 5 and current sensor corrects electromagnetic actuator nonlinear object in real time；It is based on
The electromagnetic actuator linear convergent rate strategy of temperature rise compensation provides the general temperature characteristic of electromagnetic actuator for controller；Controller is
Dsp controller；The driving part of electric-controlled injection device is moving coil type electromagnetic actuator；It the use of temperature sensor is patch type temperature
Sensor is mounted on the side wall of electromagnetic actuator；Displacement sensor and current sensor real-time monitoring electric-controlled injection device work
The working condition of electromagnetic actuator when making.
By adopting the above-described technical solution, compared with prior art, the present invention its remarkable advantage is：1）Offer can be real-time
Compensation temperature rise causes the control method of loss to electric-controlled injection device, solves control lag, the timeliness of some cooling installations
The problems such as poor, strict guarantee injection apparatus can realize more accurate fuel injection according to scheduled rule；2）Using based on temperature rise
The electromagnetic actuator linear convergent rate strategy of compensation provides the general temperature characteristic of electromagnetic actuator for controller, i.e. this control plan
Slightly it is suitable for the electric-controlled injection device for the electromagnetic actuator that driving part is different structure and control parameter, the convenience used, control
System is accurate, has very strong versatility；3）The controller of the built-in electromagnetic actuator linear convergent rate strategy based on temperature rise compensation can
According to the temperature measured in real time, the size of current in electromagnetic actuator coil is controlled effectively in real time, to accurately correct electromagnetism
The electromagnetic force of actuator, while controller obtains electric-controlled injection device by analysis feedback valve displacement and current signal in real time
The working condition of electromagnetic actuator when work, can real-time verification this control strategy accuracy, better ensure that the electricity of engine
Control spraying system can timing, it is quantitative give engine provide fuel, guarantee engine work.
Detailed description of the invention
Fig. 1 is of the invention a kind of electric-controlling injection system and its control method figure.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
In conjunction with Fig. 1, a kind of electric-controlling injection system proposed by the present invention and its control method, it includes：Controller 1, driving
Circuit 2, temperature sensor 4, displacement sensor 5, current sensor 6, signal conditioning circuit 7, is based on temperature at electric-controlled injection device 3
The electromagnetic actuator linear convergent rate strategy 8 for rising compensation forms.
A further preferred embodiment of the present invention is.
The controller 1 of the built-in electromagnetic actuator linear convergent rate strategy 8 based on temperature rise compensation receives temperature sensor
4, the signal of 6 real-time delivery of displacement sensor 5 and current sensor corrects electromagnetic actuator nonlinear object in real time.
The electromagnetic actuator linear convergent rate strategy 8 based on temperature rise compensation is that controller 1 provides the logical of electromagnetic actuator
Use temperature characteristic.
The controller 1 is dsp controller.
The driving part of the electric-controlled injection device 3 is moving coil type electromagnetic actuator.
It is described to use temperature sensor 4 for patch type temperature sensor, it is mounted in the exterior side wall of electromagnetic actuator.
The work of electromagnetic actuator when institute's displacement sensors 5 and 6 real-time monitoring electric-controlled injection device of current sensor work
Make state.
A kind of electric-controlling injection system of the invention and its control method, as shown in Figure 1, temperature sensor 4, displacement sensor
5, in 6 real-time monitoring electric-controlled injection device of current sensor electromagnetic actuator operating temperature, valve displacement and electric current, acquisition
Temperature signal, valve displacement signal and current signal pass to controller 1 through signal conditioning circuit 7, and controller 1 passes through received
Temperature signal judges the nonlinear interaction and energy loss that whether there is electromagnetic coupling field at this time, according to based on temperature rise compensation
Electromagnetic actuator linear convergent rate strategy 8 calculates the specific method that electromagnetic force is lost in compensation electromagnetic actuator, to output pressure
Signal is adjusted, and then adjusts the output of electric current in driving circuit 2, the electromagnetism of accurate amendment driving valve special exercise rule
Power, compensates temperature rise bring energy loss, and controller 1 is obtained automatically controlled in real time by received valve displacement signal and current signal
The working condition of electromagnetic actuator when injection apparatus works, can the electromagnetic actuator linear convergent rate that is compensated based on temperature rise of real-time verification
The accuracy of strategy is played an important role to realizing that electric-controlled injection device 3 fast, accurately works.The present invention is emphatically
Using the temperature characteristic of electromagnetic actuator, electric current in electromagnetic actuator is adjusted, and then corrects the electromagnetic force of electromagnetic actuator in real time,
To realize specific valve motion rule, it can largely guarantee that the electric-controlling injection system of engine can periodically, calmly
Amount provides fuel to engine, guarantees engine work.
The above is only a preferred embodiment of the present invention, it should be pointed out that：For the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (5)
1. a kind of control method of electric-controlling injection system, including controller（1）, driving circuit（2）, electric-controlled injection device（3）, temperature
Spend sensor（4）, displacement sensor（5）, current sensor（6）, signal conditioning circuit（7）, wherein：It is built-in to be compensated based on temperature rise
Electromagnetic actuator linear convergent rate strategy（8）Controller（1）Receive temperature sensor（4）, displacement sensor（5）It is passed with electric current
Sensor（6）The signal of real-time delivery corrects electromagnetic actuator nonlinear object caused by temperature rise in real time；Temperature sensor, displacement
Operating temperature, valve displacement and the electric current of electromagnetic actuator in sensor, current sensor real-time monitoring electric-controlled injection device are surveyed
The signal obtained passes to controller through signal conditioning circuit, and controller is judged to whether there is at this time by received temperature signal
The nonlinear interaction and energy loss of electromagnetic coupling field, according to the electromagnetic actuator linear convergent rate strategy based on temperature rise compensation, meter
The specific method for calculating electromagnetic force loss in compensation electromagnetic actuator, is adjusted driving circuit input pressure signal, in turn
Adjust the output of electric current in driving circuit.
2. the control method of a kind of electric-controlling injection system according to claim 1, it is characterised in that：It is described to be based on temperature rise
The electromagnetic actuator linear convergent rate strategy of compensation（8）For controller（1）The general temperature characteristic of dynamic electromagnetic actuator is provided.
3. the control method of a kind of electric-controlling injection system according to claim 1, it is characterised in that：The controller（1）
For dsp controller.
4. the control method of a kind of electric-controlling injection system according to claim 1, it is characterised in that：The electric-controlled injection
Device（3）Driving part be moving coil type electromagnetic actuator.
5. the control method of a kind of electric-controlling injection system according to claim 1, it is characterised in that：The temperature sensing
Device（4）For patch type temperature sensor, it is mounted on the side wall of electromagnetic actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014154.5A CN105569895B (en) | 2016-01-11 | 2016-01-11 | A kind of control method of electric-controlling injection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610014154.5A CN105569895B (en) | 2016-01-11 | 2016-01-11 | A kind of control method of electric-controlling injection system |
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| Publication Number | Publication Date |
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| CN105569895A CN105569895A (en) | 2016-05-11 |
| CN105569895B true CN105569895B (en) | 2018-11-20 |
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| CN201610014154.5A Active CN105569895B (en) | 2016-01-11 | 2016-01-11 | A kind of control method of electric-controlling injection system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016219954B3 (en) * | 2016-10-13 | 2018-01-25 | Continental Automotive Gmbh | Method for checking a pressure sensor of a high-pressure injection system, control device, high-pressure injection system and motor vehicle |
| CN112549087A (en) * | 2020-12-10 | 2021-03-26 | 北京博清科技有限公司 | Magnetic wall-climbing robot and adsorption control method thereof |
Citations (3)
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|---|---|---|---|---|
| CN2590779Y (en) * | 2002-12-20 | 2003-12-10 | 北京理工大学 | Parking generation speed-regulating controller |
| CN1730926A (en) * | 2005-08-18 | 2006-02-08 | 河北工业大学 | Multipoint sequential injection control system of gas fuel |
| CN101182810A (en) * | 2006-11-14 | 2008-05-21 | 珠海市绿能达科技有限公司 | Gas vehicle multi-dots sequency spraying electric control unit |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10016474B4 (en) * | 2000-04-01 | 2017-05-24 | Robert Bosch Gmbh | Method for controlling an injection valve with a piezoelectric actuator |
| JP3804480B2 (en) * | 2001-07-13 | 2006-08-02 | マツダ株式会社 | Diesel engine control device and control method |
| EP1480862B1 (en) * | 2002-03-01 | 2011-07-13 | Continental Teves AG & Co. oHG | Method and circuit system for calibrating voltage and temperature deviations of the effective current of hydraulic valves in a pwm drive |
| JP4211610B2 (en) * | 2004-01-13 | 2009-01-21 | 株式会社デンソー | Fuel injection control device for internal combustion engine |
| DE602004003900T2 (en) * | 2004-03-12 | 2007-05-31 | C.R.F. Società Consortile per Azioni, Orbassano | Metode for the phase shift of the actuation of electromagnetic actuators to avoid a current overload |
| CN105179671B (en) * | 2015-09-14 | 2018-01-19 | 中国北方车辆研究所 | A kind of proportion magnetic valve temperature compensation based on current constant control |
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2016
- 2016-01-11 CN CN201610014154.5A patent/CN105569895B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2590779Y (en) * | 2002-12-20 | 2003-12-10 | 北京理工大学 | Parking generation speed-regulating controller |
| CN1730926A (en) * | 2005-08-18 | 2006-02-08 | 河北工业大学 | Multipoint sequential injection control system of gas fuel |
| CN101182810A (en) * | 2006-11-14 | 2008-05-21 | 珠海市绿能达科技有限公司 | Gas vehicle multi-dots sequency spraying electric control unit |
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| CB03 | Change of inventor or designer information |
Inventor after: Ge Wenqing Inventor after: Liang Xiaoxiao Inventor after: Li Bo Inventor after: Ma Qingzhi Inventor before: Ge Wenqing Inventor before: Liang Xiaoxiao Inventor before: Li Bo |
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Effective date of registration: 20171227 Address after: 255049 Zibo City, Shandong Province, happy Technology Industry Development Zone Gao Chuang A seat 313 room Applicant after: Shandong University of Technology Applicant after: Jun Tang Ling Ou, Shandong Automobile Manufacturing Co., Ltd. Address before: 255049 Zibo City, Shandong Province, happy Technology Industry Development Zone Gao Chuang A seat 313 room Applicant before: Shandong University of Technology |
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