CN204877693U - Motor gasoline machine inlet flow controlling means - Google Patents
Motor gasoline machine inlet flow controlling means Download PDFInfo
- Publication number
- CN204877693U CN204877693U CN201520623351.8U CN201520623351U CN204877693U CN 204877693 U CN204877693 U CN 204877693U CN 201520623351 U CN201520623351 U CN 201520623351U CN 204877693 U CN204877693 U CN 204877693U
- Authority
- CN
- China
- Prior art keywords
- ecu
- engine
- sensor
- flow rate
- air inflow
- 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.)
- Expired - Fee Related
Links
Landscapes
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The utility model provides a motor gasoline machine inlet flow controlling means, including petrol engine ECU, the sprayer, the air input detects ECU and connects engine speed sensor, festival valve opening sensor, cooling water temperature sensor, intake pipe pressure sensor and sprayer respectively. It is preferred the air input detects the ECU input to be connected in the sprayer control end, and its other end is connected respectively in engine speed sensor, festival valve opening sensor, cooling water temperature sensor, intake pipe pressure sensor. Adopt above -mentioned device according to the original multidimension nonlinear characteristic of the theoretical gasoline engine air intake system of recovering of phase space reconsitution, reach the accuracy and the air -fuel ratio control system real -time that improve the inlet flow prediction to the realization is to the inlet flow's of gasoline engine control.
Description
technical field:
The utility model relates to vehicle gasoline engine electronic control technology device field, particularly a kind of vehicle gasoline engine charge flow rate control gear.
background technique:
At present, in the measurement of vehicle gasoline engine charge flow rate, usually adopt air flow sensor to measure it, but there is the problems such as the inaccurate and signal transmission delay of DATA REASONING in air flow sensor.Petrol engine is the nonlinear system of a high complexity, its gas handling system has multidimensional nonlinear characteristic, air flow sensor is only adopted to measure it, the data obtained are one-dimensional data, the multidimensional nonlinear characteristic that gas handling system is intrinsic cannot be reflected, therefore, cannot improve the measuring accuracy of petrol engine air admission flow, the real-time and validity of auxiliary fuel supply-system also correspondingly can not get improving.
model utility content:
The utility model provides a kind of vehicle gasoline engine charge flow rate control gear, comprise petrol engine ECU, oil sprayer, said apparatus is adopted to recover the original multidimensional nonlinear characteristic of petrol engine intake system according to Phase-space Reconstruction, recycling BP neuron network is predicted charge flow rate chaos time sequence, reach the validity and auxiliary fuel supply-system real-time that improve charge flow rate prediction, thus realize the control to the charge flow rate of petrol engine.
A kind of vehicle gasoline engine charge flow rate of the utility model control gear, comprise the former machine ECU of petrol engine, oil sprayer, the former machine ECU of petrol engine described in it connects air inflow and detects ECU, and described air inflow detects ECU connecting engine speed probe, engine load sensor, cooling-water temperature sensor, intake manifold pressure sensor and oil sprayer respectively.
A kind of vehicle gasoline engine charge flow rate control gear described in the utility model, preferred described air inflow detects ECU input end and is connected to oil sprayer control end, and its other end is connected to engine rotation speed sensor, engine load sensor, cooling-water temperature sensor, intake manifold pressure sensor.
Petrol engine ECU described in the utility model is embedded with OUTPUT1 ECU (Electrical Control Unit), and described OUTPUT1 ECU (Electrical Control Unit) is connected to air inflow and detects ECU.Preferred further described OUTPUT1 ECU (Electrical Control Unit) is connected to air inflow and detects on the LPC2104 chip central processing unit (CPU) of ECU.
Air inflow described in the utility model detects ECU and adopts ARM7 microprocessor.
Described ARM7 microprocessor is preferably LPC2104 chip central processing unit (CPU).
A kind of vehicle gasoline engine charge flow rate control gear described in the utility model, air inflow detects ECU and adopts the LPC2104 chip of caryogram in ARM microprocessor ARM7 series as processor in this charge flow rate predictive controller, adopts c++ programming language.Controller, in forecasting process, takes into account that throughput, throttle opening, rotating speed corner, cooling water temperature and air-distributor pressure parameter are on the impact of controller simultaneously, improves the prediction accuracy of this control gear and the object of rapidity to reach.
Through rig test result display, the utility model, compared with the flow transducer TCS2F of prior art, significantly improves petrol engine air admission flow measurement validity, improves real-time and the validity of gosolene engine's AFR control system.On the other hand, by the system of air inflow under the petrol engine transient operating condition of this device, air inflow under instantaneous conditions can be calculated more accurately, thus control fuel injection quantity better, the highest transformation efficiency of realization theory air fuel ratio and three-way catalyst, improves Economy and the emission performance of petrol engine.
accompanying drawing illustrates:
Fig. 1. the connection diagram of each device of vehicle gasoline engine charge flow rate control gear of the present utility model;
In figure: OUTPUT1 for being embedded into petrol engine ECU ECU (Electrical Control Unit),
U1, being cooling-water temperature sensor, U2, is central processor core LPC2104, U3, engine load sensor, U4, air inlet pressure sensor, U5, is engine rotation speed sensor.
embodiment:below in conjunction with accompanying drawing, the utility model is described in further detail.
The circuit connection diagram of each sensing means of vehicle gasoline engine charge flow rate control gear of the present utility model as shown in Figure 1, the utility model device comprises engine rotation speed sensor U5, engine load sensor U3, cooling-water temperature sensor U1, air inlet pressure sensor U4, air inflow detection ECU and Engine ECU, engine rotation speed sensor, engine load sensor, cooling-water temperature sensor, intake manifold pressure sensor all detect ECU with air inflow with the former machine ECU of motor and are connected, and air inflow detects ECU input end and is connected with oil sprayer control end.
Working procedure described in the utility model and principle: described OUTPUT1, for being embedded into the ECU (Electrical Control Unit) of Engine ECU, for cooling-water temperature sensor U1, described air inflow detects ECU and adopts ARM7 microprocessor, described ARM7 microprocessor is LPC2104 chip central processing unit (CPU) U2, engine load sensor U3, air inlet pressure sensor U4, engine rotation speed sensor U5.LPC2104 chip in the utility model employing ARM7 series is as central processing unit (CPU), utilize cooling-water temperature sensor U1, engine rotation speed sensor U5, the components and parts such as engine load sensor U3 and air inlet pressure sensor U4 collect cooling water temperature, engine speed passes, the signal such as throttle opening and suction pressure, in the LPC2104 chip that air inflow detects ECU, above-mentioned data are processed, also reconfiguration technique is namely utilized to be reconstructed the above-mentioned signal collected, recover the multidimensional nonlinear characteristic of petrol engine intake system, the means of programming are finally utilized to realize the Accurate Prediction of RBF neural to petrol engine air admission flow, predicting the outcome of obtaining is sent in Engine ECU control unit, Engine ECU is made accurately to calculate fuel injection pulsewidth.Traditional petrol engine air admission flow-measuring method mainly adopts intake flow sensor to measure it, has that measuring accuracy is inaccurate, signal transmission delay etc. determines.The utility model improves charge flow rate precision of prediction, improve the real-time of auxiliary fuel supply-system, owing to being adopt the signals such as cooling water temperature, engine speed pass, throttle opening and suction pressure to carry out look-ahead to charge flow rate, passing device there is the shortcomings such as signal transmission delay so solve.Predict that online dynamic model carries out detecting and predict to parameter cylinder intake air flow and air-distributor pressure by normalization data process according to Chaos-BP neuron network based on the Chaos-BP air inflow progressively adjusted, equally, the intake manifold pressure value that engine control model calculates and suction pressure state model and neural network prediction integration value contrast, by the Error Gain factor
and import suction pressure state model reduction air-distributor pressure error, thus realize the accurate control of online dynamic model.
Claims (5)
1. a vehicle gasoline engine charge flow rate control gear, comprise the former machine ECU of petrol engine, oil sprayer, it is characterized in that described petrol engine ECU connects air inflow and detects ECU, described air inflow detects ECU connecting engine speed probe, engine load sensor, cooling-water temperature sensor, intake manifold pressure sensor and oil sprayer respectively.
2. according to a kind of vehicle gasoline engine charge flow rate control gear according to claim 1, it is characterized in that described air inflow detects ECU input end and is connected to oil sprayer control end, its other end is connected to engine rotation speed sensor, engine load sensor, cooling-water temperature sensor, intake manifold pressure sensor.
3. according to a kind of vehicle gasoline engine charge flow rate control gear described in claim 1 or 2, it is characterized in that described petrol engine ECU is embedded with OUTPUT1 ECU (Electrical Control Unit), described OUTPUT1 ECU (Electrical Control Unit) is connected to air inflow and detects ECU.
4., according to a kind of vehicle gasoline engine charge flow rate control gear described in claim 1 or 2, it is characterized in that described air inflow detects ECU and adopts ARM7 microprocessor.
5., according to a kind of vehicle gasoline engine charge flow rate control gear according to claim 4, it is characterized in that described ARM7 microprocessor is LPC2104 chip central processing unit (CPU).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623351.8U CN204877693U (en) | 2015-08-18 | 2015-08-18 | Motor gasoline machine inlet flow controlling means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520623351.8U CN204877693U (en) | 2015-08-18 | 2015-08-18 | Motor gasoline machine inlet flow controlling means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204877693U true CN204877693U (en) | 2015-12-16 |
Family
ID=54822076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520623351.8U Expired - Fee Related CN204877693U (en) | 2015-08-18 | 2015-08-18 | Motor gasoline machine inlet flow controlling means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204877693U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762182A (en) * | 2016-11-30 | 2017-05-31 | 宜春学院 | The control method and system of petrol engine transient detecting |
| CN107061032A (en) * | 2017-05-25 | 2017-08-18 | 中国人民解放***箭军工程大学 | The Forecasting Methodology and forecasting system of a kind of engine operating state |
-
2015
- 2015-08-18 CN CN201520623351.8U patent/CN204877693U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106762182A (en) * | 2016-11-30 | 2017-05-31 | 宜春学院 | The control method and system of petrol engine transient detecting |
| CN106762182B (en) * | 2016-11-30 | 2020-02-14 | 宜春学院 | Method and system for controlling transient air-fuel ratio of gasoline engine |
| CN107061032A (en) * | 2017-05-25 | 2017-08-18 | 中国人民解放***箭军工程大学 | The Forecasting Methodology and forecasting system of a kind of engine operating state |
| CN107061032B (en) * | 2017-05-25 | 2019-08-13 | 中国人民解放***箭军工程大学 | A kind of prediction technique and forecasting system of engine operating state |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105736206B (en) | The online test method and device of circulating fuel injection quantity under a kind of engine variable working condition | |
| CN111810395B (en) | Reciprocating compressor energy efficiency analysis system based on P-V graph test | |
| CN110261127B (en) | On-line detection method for carbon deposit jamming of variable cross-section turbocharger of engine | |
| CN105157893B (en) | A kind of motor instant torch measuring system and method | |
| CN106762182A (en) | The control method and system of petrol engine transient detecting | |
| CN106017968A (en) | EGR cooler heat exchange efficiency detection system | |
| CN204877693U (en) | Motor gasoline machine inlet flow controlling means | |
| CN104564359A (en) | Internal combustion engine control apparatus | |
| CN102251856B (en) | Synchronous automatic measurement device and method for air-fuel ratio of compressed natural gas engine | |
| CN111456983A (en) | Hydraulic speed regulating valve detection analysis method based on wavelet analysis | |
| CN109684704B (en) | Engine intake flow online calibration method based on velocity density model | |
| EP2924272A1 (en) | Control device of internal combustion engine | |
| CN102913334A (en) | Air inflow detecting method for engine cylinder | |
| CN103149032B (en) | Dynamic detection method of engine exhaust pressure and flux | |
| Liu et al. | A model for on-line monitoring of in-cylinder residual gas fraction (RGF) and mass flowrate in gasoline engines | |
| CN103603731B (en) | Engine torque estimation method based on ion currents | |
| US10648418B2 (en) | Method and system for calculating Atkinson cycle intake flowrate of internal combustion engine | |
| CN108518250A (en) | A kind of monitoring system and method for turbine low pressure cylinder efficiency | |
| CN105649755B (en) | A kind of method for determining Turbocharged Gasoline Engine scavenging ratio | |
| CN202055919U (en) | Automatic synchronous measurement device for air-fuel ratio of compressed natural gas engine | |
| CN104251836A (en) | Desorbed-gas determinator | |
| CN104268304B (en) | The method for determining motor instant oil consumption is pressed based on cylinder | |
| CN103672954B (en) | Coal pulverizer capacity air quantity control method, system and its apparatus | |
| CN103033215A (en) | Engineering machinery hydraulic system medium pollution diagnostic method based on digital signal processor (DSP) | |
| CN103994864B (en) | Diesel engine cylinder air leakage detection method based on high rotation speed differential pressure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151216 Termination date: 20180818 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |