CN101183256A - Internal-combustion engines observe and control system with forecast function and observe and control method - Google Patents
Internal-combustion engines observe and control system with forecast function and observe and control method Download PDFInfo
- Publication number
- CN101183256A CN101183256A CNA2007101447559A CN200710144755A CN101183256A CN 101183256 A CN101183256 A CN 101183256A CN A2007101447559 A CNA2007101447559 A CN A2007101447559A CN 200710144755 A CN200710144755 A CN 200710144755A CN 101183256 A CN101183256 A CN 101183256A
- Authority
- CN
- China
- Prior art keywords
- data
- execution
- internal
- signal
- combustion engine
- 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.)
- Pending
Links
Images
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a measurement and control system for an internal combustion engine with forecasting function and a method thereof. The present invention comprises a sensor (2) which is arranged on the corresponding place of the internal combustion engine. The sensor is connected with a signal collecting device (3). The signal collecting device (3) and a period setting unit (5) are connected with an industrial computer (4). The output connection parameter of the industrial computer (4) displays a display unit (6) and an actuator (7). Both the actuator (7) and a operation desk (8) beside the engine are inputted in the internal combustion engine (1). The beneficial effects of the present invention are that the running parameter of the internal combustion engine is displayed; at the same time, after the period being set, the parameter is forecasted, so the damage to the internal combustion engine caused by a margin test is avoided. In addition, the internal combustion engine can be forecasted and controlled through the measurement and control system.
Description
(1) technical field
What the present invention relates to is a kind of internal-combustion engines observe and control system, particularly has the internal-combustion engines observe and control system of forecast function.
(2) background technology
At present, traditional internal-combustion engines observe and control system is a kind of Detection ﹠ Controling to the internal combustion engine running state parameter, as number of patent application is 89109239.0, name is called the technical scheme put down in writing in the patent document of " electron brain comprehensive testing control instrument " etc., these TT﹠C system only are a kind of monitoring and demonstrations of data, carry out testing laboratory in the laboratory, often to make internal combustion engine at the internal combustion engine performance of ultimate limit state with the research relative broad range, just need a kind of TT﹠C system that has forecast function this moment, to avoid that internal combustion engine is caused damage.Also do not retrieve at present relevant report about the internal-combustion engines observe and control system that has forecast function.
(3) summary of the invention
The object of the present invention is to provide a kind of internal-combustion engines observe and control system that has forecast function and investigating method of in the marginal test process internal combustion engine being damaged can avoided.
The object of the present invention is achieved like this: comprise the sensor 2 on the relevant position that is installed in internal combustion engine, sensor connects signal pickup assembly 3, signal pickup assembly 3 and predetermined period are provided with unit 5 and insert industrial computer 4, the output of industrial computer 4 connects parameter display unit 6 and actuator 7, and the other operator's console 8 of actuator 7 and machine is imported internal combustion engine 1 together.
The present invention can also comprise:
1, industrial computer 4 is made up of signal condition unit 41, signal estimation unit 42, data processing unit 43, signal pickup assembly 3 input signal conditioning unit 41, predetermined period is provided with unit 5 and inserts signal estimation unit 42, the output of signal condition unit 41 inserts signal estimation unit 42 and data processing unit 43, the output of signal estimation unit 42 inserts data processing unit 43, and the output of described industrial computer 4 is meant the output of data processing unit 43.
2, described parameter display unit 6 comprises real-time parameter display unit 61 and Prediction Parameters display unit 62.
3, the sensor 2 on the described relevant position that is installed in internal combustion engine comprises the speed probe of measuring internal-combustion engine rotational speed and supercharger, the pressure transducer of measurement environment pressure, lubricating oil pressure and admission pressure equal pressure signal, the temperature sensor of measures ambient temperature, intake air temperature, oil temperature and delivery temperature etc. is measured the sensor of oil consumption.
Investigating method step of the present invention comprises:
Step 101 pair parameter is carried out initialization, and N is meant that default setting is 5 in order to set up the data number of gray model, and the K parameter is carried out grey modeling in order to judge whether enough data;
111 pairs of sensor data acquisitions of execution in step are nursed one's health by step 112 pair signal then, afterwards data are shown in real time by step 113, and step 114 pair K value carries out returning step 102 and judging from increasing computing then;
Step 103 pair sensor data acquisition, nurse one's health by step 104 pair signal then, read by step 105 the predicted time zone bit is set, if do not need to change predicted time, execution in step 106, change predicted time if desired, execution in step 121 is carried out the predicted time setting, returns execution in step 106 then;
Whether step 106 judgment data is the fluctuation data, if fluctuation data execution in step 131 is selected the residual error model, execution in step 108 is predicted then; Select common gray model if not fluctuation data execution in step 107, execution in step 108 is predicted then;
Execution of step 108 backs carry out the real time data demonstration by step 109 and predicted data shows, return step 103 then and carry out data acquisition.
The present invention works out predictor, and this program is embedded in the TT﹠C software of industrial computer, makes this TT﹠C system when monitoring internal combustion engine operation in real time, can predict the data of following one-period.
The present invention can be according to the different length that predetermined period can be set of prediction purpose and requirement, but minimum be a sampling period, and the setting of predetermined period is necessary for the integral multiple of data collection cycle.
This TT﹠C system comprises the other operator's console of machine, and testing crew can realize starting by this operator's console, add load shedding, function such as stop in emergency.
Comprise real-time parameter Presentation Function and Prediction Parameters Presentation Function in this TT﹠C system, when showing in real time, also will predict demonstration,, in time make corresponding adjustment to grasp the operation trend of internal combustion engine for important operational factor.
The invention has the beneficial effects as follows, when in real time showing operating variable of IC engine, the parameter behind the prediction setting cycle, thereby the destruction of internal combustion engine being caused when avoiding marginal test.Simultaneously, can realize PREDICTIVE CONTROL by this TT﹠C system to internal combustion engine operation.
(4) description of drawings
Fig. 1 is a device composition frame chart of the present invention.
Fig. 2 is an observing and controlling process flow diagram of the present invention.
Fig. 3 is a parameter prediction process flow diagram of the present invention.
(5) embodiment
For example the present invention is done description in more detail below in conjunction with accompanying drawing:
In conjunction with Fig. 1, the composition that has the internal-combustion engines observe and control system of forecast function comprises the sensor 2 on the relevant position that is installed in internal combustion engine, sensor connects signal pickup assembly 3, signal pickup assembly 3 and predetermined period are provided with unit 5 and insert industrial computer 4, the output of industrial computer 4 connects parameter display unit 6 and actuator 7, and the other operator's console 8 of actuator 7 and machine is imported internal combustion engine 1 together.Described industrial computer 4 is made up of signal condition unit 41, signal estimation unit 42, data processing unit 43, signal pickup assembly 3 input signal conditioning unit 41, predetermined period is provided with unit 5 and inserts signal estimation unit 42, the output of signal condition unit 41 inserts signal estimation unit 42 and data processing unit 43, the output of signal estimation unit 42 inserts data processing unit 43, and the output of described industrial computer 4 is meant the output of data processing unit 43.Described parameter display unit 6 comprises real-time parameter display unit 61 and Prediction Parameters display unit 62.
Sensor 2 comprises: the speed probe of measuring internal-combustion engine rotational speed and supercharger, the pressure transducer of measurement environment pressure, lubricating oil pressure and admission pressure equal pressure signal, the temperature sensor of measures ambient temperature, intake air temperature, oil temperature and delivery temperature etc. is measured the sensor of oil consumption.Signal pickup assembly 3 comprises: the data collecting card PCI6225 of NI company and front signal pre-process circuit thereof.Display unit 6 adopts charactron to show, comprises charactron and driving circuit thereof (comprising single-chip microcomputer, triode, current-limiting resistance etc.).
This TT﹠C system at first is converted to voltage signal with pulse signal, these non-voltage signals of current signal, adopts A/D converter conversion (select for use and take path analoging switch by force, cyclic transformation) then, and various signals all are converted to digital signal.
In conjunction with the accompanying drawings 2 the explanation TT﹠C system of the present invention concrete steps: step 101 pair parameter is carried out initialization, N is meant in order to set up the data number of gray model, default setting is 5 (the minimum data numbers of grey modeling), and the K parameter is carried out grey modeling in order to judge whether enough data.Step 102 compares K and N, judges whether that enough data carry out grey modeling, execution in step 111 when K＜N, execution in step 103 when K＞=N.
111 pairs of sensor data acquisitions of execution in step are nursed one's health by step 112 pair signal then, afterwards data are shown in real time by step 113, and step 114 pair K value carries out returning step 102 and judging from increasing computing then.
Step 103 pair sensor data acquisition, nurse one's health by step 104 pair signal then, read by step 105 the predicted time zone bit is set, if do not need to change predicted time, execution in step 106, change predicted time if desired, execution in step 121 is carried out the predicted time setting, returns execution in step 106 then.Whether step 106 judgment data is the fluctuation data, if fluctuation data execution in step 131 is selected the residual error model, execution in step 108 is predicted then; Select common gray model if not fluctuation data execution in step 107, execution in step 108 is predicted then.Execution of step 108 backs carry out the real time data demonstration by step 109 and predicted data shows.Return step 103 then and carry out data acquisition.
3 the parameter prediction steps are described in conjunction with the accompanying drawings: the step 201 pair data that collect are carried out one-accumulate and are generated, construct array by step 202 then, construct data vector by step 203, step 204 calculates the model parameter row according to array and data vector.Step 205 judges whether to adopt the residual error model, if select the residual error model for use, then by step 211 the residual error item is introduced gray model, and turns back to step 206; If do not select the residual error model for use, then directly enter step 206.Step 206 is according to setting up next numerical value constantly of Model Calculation, and step 207 pair obtains data and tires out and subtract generation then, thereby obtains predicted data, EOP (end of program).
In the test TT﹠C system that to the effect that gray system theory is applied to internal combustion engine of the present invention, make this system can realize prediction to operational factor.Theoretical foundation is gray system theory, is applied to GM model prediction method wherein.
Claims (6)
1. internal-combustion engines observe and control system that has forecast function, comprise the sensor (2) on the relevant position that is installed in internal combustion engine, it is characterized in that: sensor connects signal pickup assembly (3), signal pickup assembly (3) and predetermined period are provided with unit (5) and insert industrial computer (4), the output of industrial computer (4) connects parameter display unit (6) and actuator (7), and the other operator's console of actuator (7) and machine (8) is imported internal combustion engine (1) together.
2. the internal-combustion engines observe and control system that has forecast function according to claim 1, it is characterized in that: industrial computer (4) is by signal condition unit (41), signal estimation unit (42), data processing unit (43) is formed, signal pickup assembly (3) input signal conditioning unit (41), predetermined period is provided with unit (5) and inserts signal estimation unit (42), the output of signal condition unit (41) inserts signal estimation unit (42) and data processing unit (43), the output of signal estimation unit (42) inserts data processing unit (43), and the output of described industrial computer (4) is meant the output of data processing unit (43).
3. the internal-combustion engines observe and control system that has forecast function according to claim 1 and 2 is characterized in that: described parameter display unit (6) comprises real-time parameter display unit (61) and Prediction Parameters display unit (62).
4. the internal-combustion engines observe and control system that has forecast function according to claim 1 and 2, it is characterized in that: the sensor (2) on the described relevant position that is installed in internal combustion engine comprises the speed probe of measuring internal-combustion engine rotational speed and supercharger, the pressure transducer of measurement environment pressure, lubricating oil pressure and admission pressure equal pressure signal, the temperature sensor of measures ambient temperature, intake air temperature, oil temperature and delivery temperature etc. is measured the sensor of oil consumption.
5. the internal-combustion engines observe and control system that has forecast function according to claim 3, it is characterized in that: the sensor (2) on the described relevant position that is installed in internal combustion engine comprises the speed probe of measuring internal-combustion engine rotational speed and supercharger, the pressure transducer of measurement environment pressure, lubricating oil pressure and admission pressure equal pressure signal, the temperature sensor of measures ambient temperature, intake air temperature, oil temperature and delivery temperature etc. is measured the sensor of oil consumption.
6. investigating method that has the internal-combustion engines observe and control system of forecast function is characterized in that:
Step 101 pair parameter is carried out initialization, and N is meant that default setting is 5 in order to set up the data number of gray model, and the K parameter is carried out grey modeling in order to judge whether enough data;
Step 102 compares K and N, judges whether that enough data carry out grey modeling, execution in step 111 when K＜N, execution in step 103 when K＞=N;
111 pairs of sensor data acquisitions of execution in step are nursed one's health by step 112 pair signal then, afterwards data are shown in real time by step 113, and step 114 pair K value carries out returning step 102 and judging from increasing computing then;
Step 103 pair sensor data acquisition, nurse one's health by step 104 pair signal then, read by step 105 the predicted time zone bit is set, if do not need to change predicted time, execution in step 106, change predicted time if desired, execution in step 121 is carried out the predicted time setting, returns execution in step 106 then;
Whether step 106 judgment data is the fluctuation data, if fluctuation data execution in step 131 is selected the residual error model, execution in step 108 is predicted then; Select common gray model if not fluctuation data execution in step 107, execution in step 108 is predicted then;
Execution of step 108 backs carry out the real time data demonstration by step 109 and predicted data shows, return step 103 then and carry out data acquisition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101447559A CN101183256A (en) | 2007-12-06 | 2007-12-06 | Internal-combustion engines observe and control system with forecast function and observe and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101447559A CN101183256A (en) | 2007-12-06 | 2007-12-06 | Internal-combustion engines observe and control system with forecast function and observe and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101183256A true CN101183256A (en) | 2008-05-21 |
Family
ID=39448560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101447559A Pending CN101183256A (en) | 2007-12-06 | 2007-12-06 | Internal-combustion engines observe and control system with forecast function and observe and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101183256A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705078A (en) * | 2012-04-19 | 2012-10-03 | 哈尔滨工程大学 | Diesel engine fault prediction method based on gray model |
-
2007
- 2007-12-06 CN CNA2007101447559A patent/CN101183256A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102705078A (en) * | 2012-04-19 | 2012-10-03 | 哈尔滨工程大学 | Diesel engine fault prediction method based on gray model |
| CN102705078B (en) * | 2012-04-19 | 2013-11-20 | 哈尔滨工程大学 | Diesel engine fault prediction method based on gray model |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3993825B2 (en) | Inference signal generator for instrumented equipment and processes | |
| CN201277910Y (en) | Test parameter measurement system for aero engine | |
| CN109164381A (en) | A kind of mechanical state of high-voltage circuit breaker on-line monitoring and fault identification method and device | |
| US20080306645A1 (en) | Methods and Systems for Providing Open Access to Vehicle Data | |
| DE102011110669A1 (en) | Method and measuring arrangement for determining specific and / or absolute emission values for NOx and / or CO2 in an internal combustion engine | |
| CN109404603A (en) | A kind of method and apparatus of the On-line Fault monitoring of pneumatic control valve | |
| CN202974666U (en) | Virtual instrument detection device for automobile engine | |
| CN108225756A (en) | Control valve performance evaluation system based on L abview | |
| CN109596350B (en) | Online monitoring method and testing platform for full life cycle of screw pair | |
| CN106706314A (en) | Automobile automatic transmission fault diagnosis tester based on virtual instrument and automobile automatic transmission fault diagnosis method based on virtual instrument | |
| CN105973591B (en) | A kind of test macro of gearbox | |
| CN102072926B (en) | Method for diagnosing body fatigue crack of motor | |
| CN101762381B (en) | Online diagnosis method for reciprocating mechanical failure | |
| CN103344434A (en) | LabVIEW-based automotive engine parameter detection system | |
| CN103512617B (en) | The opening time of intelligent low speed machine electric actuator and phase measurement system | |
| CN109656186A (en) | A kind of bearing life test TT&C software system based on LabVIEW | |
| CN101183256A (en) | Internal-combustion engines observe and control system with forecast function and observe and control method | |
| US20050278146A1 (en) | Method for simplified real-time diagnoses using adaptive modeling | |
| JP2012122766A (en) | Inspection system | |
| CN108956124A (en) | The time resolution characteristics of electric/magnetic rheological actuator are tested automatically and calibrating platform | |
| JP2011506987A (en) | Method for analyzing energy consumption of mechanical device and mechanical device | |
| CN203083610U (en) | Environmental temperature test comprehensive measurement and control system | |
| CN208013321U (en) | A kind of air throttle of car device for testing functions | |
| CN106289422A (en) | Automobile ECO pattern oil consumption evaluation test method and system | |
| CN206019698U (en) | Vehicle sensors combined test stand |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080521 |