CN102818710B - Automobile intelligent chair electric parameter simulation system and establishing method - Google Patents
Automobile intelligent chair electric parameter simulation system and establishing method Download PDFInfo
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- CN102818710B CN102818710B CN201210283090.0A CN201210283090A CN102818710B CN 102818710 B CN102818710 B CN 102818710B CN 201210283090 A CN201210283090 A CN 201210283090A CN 102818710 B CN102818710 B CN 102818710B
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Abstract
The invention relates to an automobile intelligent chair electric parameter simulation system and an establishing method. Corresponding distribution parameter network models are built for a function module of a chair product, identification signals output by the distribution parameter network models are converted by an AD (analog to digital) conversion module, are then sent into a CPU (central processing unit) to be processed and are sent to a man-machine interface to display the state, and a power manager supplies electricity to the CUP. The parameter models of each device are built in the system, the test of the production site, the customer site and the single function is convenient, the carrying is convenient, in-site personnel can carry a simulation system for verifying whether the sources of problems are from the chair products or from other problems on an automobile body in site, the electric chair electric device function is realized, and the electric detection and sale convenience during the chair production can be greatly improved.
Description
Technical field
The present invention relates to a kind of simulation of electrical performance system, particularly a kind of automobile intelligent chair electric parameter simulation system and method for building up.
Background technology
Popularizing of present automobile, higher requirement has been had to the comfort level of automobile and security, now automotive seat Electricity Functional is tending towards variation thereupon, the automaticity of seating product implementation procedure is in lifting, in order to improve production, novel/integrated self-control Electricity Functional surveying instrument widely uses at production line, measurement instrument quantity kind supporting with it constantly increases, part measurement instrument is used by production operation person 100% in process of production, the way to manage of current measurement instrument single-point type (Quality Mgmt Dept uses measurement instrument emphatically), measurement instrument cannot be met and use universalness demand, the outer school of automated test device, a calibration (resistance box/reometer on equipment) can only be carried out, systematic correction (calibration of software systems/test loop/external connection cannot be realized) cannot be realized, finally cause analyzing the rhythm judging not catch up with production.
Summary of the invention
The present invention be directed to the problem that present Intelligent seat means of testing does not catch up with production, propose a kind of automobile intelligent chair electric parameter simulation system and method for building up, field staff can wear simulation system, the source of validation problem whether can derive from product or derive from the first-class other problems of vehicle body then and there; Can save takes replaces time of exemplar, and former solution gets back to the seating product exemplar that general assembly takes again to go to replace.
Technical scheme of the present invention is: a kind of automobile intelligent chair electric parameter simulation system, comprise calibrating function distributed parameter network model, motor function distributed parameter network model, security function distributed parameter network model, amusement function distributed parameter network model, the functional module of tested seat carries out electrical quantity simulation with corresponding function distributed parameter network model, analog result exports by function distributed parameter network model, function distributed parameter network model output signal carries out after analog to digital conversion through AD conversion module, signal is sent into CPU processor and is processed, CPU processor exports machine interface display of making a gift to someone, power management is powered to CPU processor.
Described function distributed parameter network model carries out distributed constant circuit simulation using the part in seat as normal component, the recurrent circuit that each normal component is made up of resistor, inductor and capacitor forms the function distributed parameter network model of normal component, and resistor, inductor and capacitor are arranged in a combination by the resistance of several minimum unit, inductance and electric capacity respectively.The function distributed parameter network model of described normal component comprises absolute rating and the failure parameter of normal component.
A kind of automobile intelligent chair electric parameter simulation system method for building up, specifically comprises the steps:
1), using the part in the functional module of seat as normal component, carry out distributed parameter network simulation, obtain the component analog figure of normal component;
2) gained component analog figure is decomposed into the lump component analog figure be made up of the linearity range of numerous element length, builds lump component parameters circuit according to lump component analog figure resistor, inductor and capacitor;
3) carry out simulation test to lump component parameters circuit, experiment test comprises absolute rating simulation test, failure parameter simulation test, obtains the function distributed parameter network model with normal component detected parameters according to simulation test result;
4) exported by the function distributed parameter network model that the practical devices of simulation seat is corresponding, export and identify that simulating signal connects AD conversion module, AD conversion module outputs to CPU processor after transferring the analog quantity that model exports to digital quantity, outputs to the testing result that man-machine interface shows the practical devices of tested seat after CPU processor processes data.
Beneficial effect of the present invention is: automobile intelligent chair electric parameter simulation system of the present invention and method for building up, set up the parameter model of each device in systems in which, facilitate production scene, curstomer's site and unifunctional test, be convenient for carrying, possess all seats each test and measuring utensil function, substantially increase the convenience of seat production testing and sale.
Accompanying drawing explanation
Fig. 1 is automobile intelligent chair electric parameter simulation system structural representation of the present invention;
Fig. 2 is that in automobile intelligent chair electric parameter simulation system of the present invention, distributed parameter network module sets up analysis chart;
Fig. 3 is that automobile intelligent chair electric parameter simulation system middle slideway motor of the present invention carries out component analog figure;
Fig. 4 is air bag distribution parameter polar plot in automobile intelligent chair electric parameter simulation system of the present invention;
Fig. 5 is motor distribution parameter polar plot in automobile intelligent chair electric parameter simulation system of the present invention;
Fig. 6 is air bag distributed parameter network model equivalent circuit diagram in automobile intelligent chair electric parameter simulation system of the present invention.
Embodiment
New automobile intelligent seat electrical quantity simulation system structural representation as shown in Figure 1, seat comprises calibrating function module 1, motor function module 2, safety function module 3 and entertainment systems functional module, each functional module of seat is by corresponding distributed parameter network model 5,6,7,8, rear output is analyzed to the performance index of the reality of seat, output signal is after AD conversion module 9 is changed, after feeding CPU processor 11 processes, send man-machine interface 10 to show, power management 12 powers to CPU processor 11.
In whole test macro, the point of most critical is the design of distributed parameter network model, on design consideration network node the principle of the Kirchhoff's law that meets and Poisson equation difference equation phase, square being directly proportional of the step-length (interval) of planned network resistance ri and differential networks, the method for Direct electric current field, gravitational field and horizontal fixed-field simulated by the analog machine that the electric current I fed in network node is directly proportional to f0.The electric field under complex situations, magnetic and gravitational fields curve can be obtained fast, by simulation, physical interpretation is carried out to field data, the whole chair of common name network analog part &.Distributed parameter network model comprises device criteria parameter simulation, absolute rating simulation and failure parameter simulation, as normal component, distributed constant circuit simulation is carried out to the part in each functional module of seat, then absolute rating setting and failure parameter setting is carried out to the distributed constant circuit of normal component.
Distributed constant circuit is simulated:
1. Modling model: analytic target is envisioned for many infinitesimals and can be abstracted into a lumped circuit in each length unit.The recurrent circuit of lumped circuit cascade.
2. write equation according to model: the lumped circuit be abstracted into reference to length unit d χ, utilizes KCL and KVL (see Kirchhoff's law) to try to achieve performance.3. after modeling completes, use electric impedance analyzer to verify special parameter, use experimental method finally to confirm.
Distributed parameter network module sets up analysis chart as shown in Figure 2, realizes with suitable actual resistor, inductor and capacitor, just can obtain the artificial actual recurrent circuit that a linear dimension is very little.Illustration 3 carries out component analog figure for slideway motor E, impedance Z=R+j (XL-XC), as Figure 4 and 5 are respectively the distribution parameter polar plot of air bag and motor.Be seat parts exemplary distribution parameter list through experimental verification following table 1.
Table 1
To wherein component safety air pouch model brief description, air bag distributed parameter network model isoboles as shown in Figure 6, absolute rating setting and failure parameter setting are carried out to the distributed constant circuit of air bag, obtain final air bag distributed parameter network model equivalent circuit diagram, wherein resistance is arranged in a combination by the cell resistance of N number of formed objects according to the limit and failure parameter, and the menu reached sees the following form 2
| Gear | Theoretical value | The analogue value | Explanation |
| 1 | 0.0 | 0.0 | Connector Joint failure |
| 2 | 1.6 | 1.53 | Inefficacy lower limit |
| 3 | 1.8 | 1.81 | Non-defective unit lower limit |
| 4 | 2.0 | 2.03 | Nominal center value |
| 5 | 2.2 | 2.28 | The non-defective unit upper limit |
| 6 | 2.4 | 2.43 | The inefficacy upper limit |
| 7 | ω | ω | Lost efficacy broken string |
Network model equivalent electrical circuit is once determine, as long as the function module data of the seat needing actual measurement is compared with it, after falling into that scope, it is normal for just can analyzing functional module, or loses efficacy, after analyzing the conversion of data feeding AD conversion module, feeding man-machine interface shows, the on-the-spot test result just can seeing seat in real time, can do follow-up process, substantially increase the efficiency of seat production testing.
Claims (3)
1. an automobile intelligent chair electric parameter simulation system, it is characterized in that, comprise calibrating function distributed parameter network model, motor function distributed parameter network model, security function distributed parameter network model, amusement function distributed parameter network model, the functional module of tested seat carries out electrical quantity simulation with corresponding function distributed parameter network model, analog result exports by function distributed parameter network model, described function distributed parameter network model carries out distributed constant circuit simulation using the part in seat as normal component, each normal component is by resistor, the recurrent circuit of inductor and capacitor composition forms the function distributed parameter network model of normal component, resistor, inductor and capacitor are respectively by the resistance of several minimum unit, inductance and electric capacity are arranged in a combination.
2. automobile intelligent chair electric parameter simulation system according to claim 1, it is characterized in that, the function distributed parameter network model of described normal component comprises absolute rating and the failure parameter of normal component.
3. an automobile intelligent chair electric parameter simulation system method for building up, is characterized in that, specifically comprises the steps:
1), using the part in the functional module of seat as normal component, carry out distributed parameter network simulation, obtain the component analog figure of normal component;
2) gained component analog figure is decomposed into the lump component analog figure be made up of the linearity range of numerous element length, builds lump component parameters circuit according to lump component analog figure resistor, inductor and capacitor;
3) carry out simulation test to lump component parameters circuit, experiment test comprises absolute rating simulation test, failure parameter simulation test, obtains the function distributed parameter network model with normal component detected parameters according to simulation test result;
4) rear output is contrasted by the actual electrical parameters of simulation seat and corresponding function distributed parameter network model, output connects AD conversion module, AD conversion module outputs to CPU processor after transferring the analog quantity that model exports to digital quantity, export after CPU processor processes data, output signal sends into man-machine interface, shows the emulation mode result of the practical devices of tested seat.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5809437A (en) * | 1995-06-07 | 1998-09-15 | Automotive Technologies International, Inc. | On board vehicle diagnostic module using pattern recognition |
| CA2513689A1 (en) * | 2003-02-03 | 2004-08-19 | Intier Automotive Inc. | Method of designing automotive seat assemblies for rear impact performance |
| JP2005291841A (en) * | 2004-03-31 | 2005-10-20 | Daihatsu Motor Co Ltd | Occupant impact simulation method at vehicle head-on collision, program, and simulation apparatus for performing method |
| CN201703330U (en) * | 2009-09-23 | 2011-01-12 | 上海通用汽车有限公司 | System for debugging automobile electronic module having bus architecture |
| CN102384849A (en) * | 2011-08-11 | 2012-03-21 | 上海理工大学 | Car seat component dynamic-static equivalent test method |
-
2012
- 2012-08-10 CN CN201210283090.0A patent/CN102818710B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5809437A (en) * | 1995-06-07 | 1998-09-15 | Automotive Technologies International, Inc. | On board vehicle diagnostic module using pattern recognition |
| CA2513689A1 (en) * | 2003-02-03 | 2004-08-19 | Intier Automotive Inc. | Method of designing automotive seat assemblies for rear impact performance |
| JP2005291841A (en) * | 2004-03-31 | 2005-10-20 | Daihatsu Motor Co Ltd | Occupant impact simulation method at vehicle head-on collision, program, and simulation apparatus for performing method |
| CN201703330U (en) * | 2009-09-23 | 2011-01-12 | 上海通用汽车有限公司 | System for debugging automobile electronic module having bus architecture |
| CN102384849A (en) * | 2011-08-11 | 2012-03-21 | 上海理工大学 | Car seat component dynamic-static equivalent test method |
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Address after: Kang an 200120 Shanghai city Pudong Kangqiao Industrial Zone No. 669 Patentee after: Yanfeng Daotuo Ann seat Co. Address before: 201319 No. 3030 Pu Pu Road, Cambridge Industrial Zone, Shanghai, Pudong New Area Patentee before: Shanghai Yanfeng Johnson Controls Seating Co., Ltd. |
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Address after: No. 669, kang'an Road, Kangqiao Industrial Zone, Pudong New Area, Shanghai 201300 Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: Kang an 201315 Shanghai city Pudong Kangqiao Industrial Zone No. 669 Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |
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