CN103870273A - Automobile digital collaboration development platform system framework - Google Patents
Automobile digital collaboration development platform system framework Download PDFInfo
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- CN103870273A CN103870273A CN201410089219.3A CN201410089219A CN103870273A CN 103870273 A CN103870273 A CN 103870273A CN 201410089219 A CN201410089219 A CN 201410089219A CN 103870273 A CN103870273 A CN 103870273A
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Abstract
The invention provides a platform system framework applied to automobile digital collaboration development. The platform system framework comprises an automobile motive power system matching framework, a three-dimensional road modeling framework, an automobile whole-vehicle parameterization assembly framework and an automobile whole-vehicle modeling and analysis framework, wherein the automobile motive power system matching framework selects parameters of each part in a motive power system for providing the data support for the whole-vehicle design and model building; the three-dimensional road modeling framework provides virtual environment for simulated analysis for studying the whole-vehicle power performance, operation stability, smoothness and the like, the automobile whole-vehicle modeling and analysis framework realizes the fast building of a whole-vehicle model and carries out kinetic simulation and verification on the model, the framework is based on an automobile parameter base and an automobile model base, the collaboration file transmission between different areas of the network cloud technology and an automobile parameterization integrated design method are utilized, and the automobile collaboration design and development between different areas are realized. The technical problems of automobile motive power system matching, three-dimensional digital road modeling, whole-vehicle automatic assembly and whole-vehicle modeling and analysis and the like are solved for improving the design efficiency of automobile products.
Description
Technical field
The present invention relates to a kind of Digital Automobile research/development platform system architecture, relate in particular to a kind of platform management system framework of the collaborative design and the exploitation that are applicable to automobile.
Background technology
In recent years, along with the progress of automobile correlation technique, the particularly development of new-energy automobile technology, the development of automobile welcomes new opportunity.Under such overall background, domestic and international many Automobile Enterprises have started the research and development of new-energy automobile, to breaking through many-sided vehicle key technology such as arrangement and structural design, the each performance analysis and optimization of car load, the design of power-driven system coupling and energy management system.The certainly Digital Automobile design based on virtual prototype (Virtual Prototyping) and the management system framework of collaborative design and development support platform of quasi-solution of the present invention, and this platform architecture is used for to the design of automobile and researches and develops, to saving R&D costs to enterprise, and bring actual economic benefit, the level that increases productivity and the market competitiveness.
Summary of the invention
Technical matters to be solved by this invention is that a kind of plateform system framework that goes for automobile collaborative design and exploitation will be provided, solution automobile dynamic system coupling, three-dimensional digital road modeling, the technical barriers such as car load robotization assembling and Full Vehicle Modelling and analysis, to improve the design efficiency of automobile product, reduce R&D costs.
In order to solve above technical matters, the invention provides a kind of plateform system framework that is applicable to Digital Automobile collaborative design and development, comprising:
Automobile dynamic system coupling framework, selects each parameters of operating part in power system, sets up data supporting is provided for car load designs with model;
Three-dimensional road modeling framework, for the simulation analysis such as research car load dynamic property, handling stability and ride comfort provide virtual environment;
Vehicle complete vehicle parametrization assembling framework, realizes the parametrization assembling of car load parts, for the Parametric designing of car load provides support;
Vehicle complete vehicle modeling and analysis framework, realize the Rapid Establishment of whole vehicle model, and model carried out to dynamics simulation and checking,
Above-mentioned framework is the distributed collaborative file transfer by automobile parameter integral design method and network cloud technology based on automobile parameter storehouse, car model Cooley, realizes automobile Collaborative Design and research and development.
Described automobile dynamic system coupling framework, is divided into three phases: the concept phase, first in automobile parameter storehouse, determine the type of power source, and then determine the gear range of gearbox with the feature of engine or drive motor; Parameter is determined the stage, first determines the ratio of gear of variator and main reducing gear, then calculates the parameter of engine or drive motor and accumulator with the basic parameter of automobile and performance index; Performance comparison phase, with the structural parameters that calculate and each parameter of power system, the vehicle simulation model of building, checks above-mentioned parameter design proposal with automotive performance index request;
Described three-dimensional road modeling framework, with the needs of emulation and analysis, utilizes car model database to reappear the different kinds of roads condition and the service condition that in running car, run into;
Described vehicle complete vehicle parametrization assembling framework, refers to, with the different requirements of different motor transport corps fore suspension and rear suspension performance, driving pattern, battery arrangement position, battery basic parameter etc., realize the robotization assembling of vehicle complete vehicle;
Described vehicle complete vehicle modeling and analysis framework, be divided into modeling and analyze two parts, modeling is by the user's selected pattern of automobile each several part and some population parameters of automobile respectively, program is with user's the Full Vehicle Multi-body Model that suitable parts, subsystem, template etc. need to be combined into an automobile, and analysis is that described Full Vehicle Multi-body Model is carried out to dynamics simulation and checking.
Described automobile parameter storehouse, by, car load basic parameter storehouse, vehicle performance parameter composition.
Described a kind of Digital Automobile research/development platform management system framework, is characterized in that, described each component parameter storehouse, is made up of engine, motor, front suspension, rear suspension, brake system, tire, steering and drive system;
Described car load basic parameter storehouse, by the main external dimensions of car load, the main mass parameter of car load, car load economy and consist of parameter and car load steering system parameter;
Described vehicle performance parameter, by the requirement of automotive performance index, builds vehicle simulation model.
Described car model storehouse, by car load and partial model, Digital Three-Dimensional road surface model storehouse composition; Described car load and partial model, comprise vehicle complete vehicle CATIA model bank, vehicle complete vehicle ADAMS model bank.
The invention has the advantages that and utilize automobile parameter integral design method and cloud, merge digital automobile simulated environment, form automobile distributed collaborative research and development back-up environment, realize the distributed collaborative of Automobile Design and exploitation.Shorten the product design cycle, improve designing quality, reduce R&D costs, and have open feature, the data to platform management system and information are safeguarded and upgrade in real time, expand its range of application, and can do further popularization and application to it.
Accompanying drawing explanation
Fig. 1 is system architecture of the present invention;
Fig. 2 is automobile dynamic system coupling framework;
Fig. 3 is three-dimensional road modeling framework;
Fig. 4 is that framework is joined in automobile parameter makeup;
Fig. 5 is automobile modeling and analysis framework;
Fig. 6 is automobile parameter library structure block diagram;
Fig. 7 is car model library structure block diagram;
Number in the figure explanation:
1-automobile parameter storehouse; 2-cloud file distributed collaborative; 3-car model storehouse; 4-automobile dynamic system coupling framework; 5-vehicle complete vehicle parametrization assembling framework; 6-automobile just with modeling and analysis framework; 7-three-dimensional road modeling framework.
Embodiment
Refer to shown in accompanying drawing 1, the present invention includes automobile dynamic system coupling framework, three-dimensional road modeling framework, vehicle complete vehicle parametrization assembling framework and vehicle complete vehicle modeling and analysis framework.As the ingredient of platform management system framework, independent separately between various piece, connect each other again, whole system is an organic whole.
Automobile dynamic system coupling framework 4, refers to shown in Fig. 2, mainly refers to according to the requirement of car load power performance that each parameters of operating part in scientific and reasonable selection power system is set up data supporting is provided for car load designs with model; Three-dimensional road modeling framework, generates different road surface model for different whole vehicle models and emulation demand, for the simulation analysis such as research car load dynamic property, handling stability and ride comfort provide virtual environment; Vehicle complete vehicle parametrization assembling framework 5, realizes the parametrization assembling of car load parts, for the Parametric designing of car load provides Data support; Vehicle complete vehicle modeling and analysis framework 6, can realize the Rapid Establishment of whole vehicle model, and can carry out dynamics simulation and checking to model.
Automobile dynamic system coupling framework 4 is important component parts of platform management system framework, and this framework is mainly divided into three phases: primary design; Parameter is determined; Service check.First concept phase determines the type of power source, then determines the gear range of variator according to the feature of engine (drive motor); Parameter is determined variator that first stage is determined and the ratio of gear of main reducing gear, then calculates engine (drive motor and accumulator) parameter according to the basic parameter of automobile and performance index; The service check stage is according to the structural parameters that calculate and each parameter of power system, the vehicle simulation model of building, according to automotive performance index request, above-mentioned parameter design proposal is checked, if check defectively, return to correcting principle or power system parameter.
Vehicle complete vehicle parametrization assembly fixture 5 structures refer to the different requirements to fore suspension and rear suspension performance, driving pattern, battery arrangement position, battery basic parameter etc. according to different automobiles, realize the robotization assembling of vehicle complete vehicle.Can, according to the needs of car load design and coupling, generate the automobile three-dimensional model of different types.
Vehicle complete vehicle modeling and analysis framework 6 are divided into two parts, modeling and analysis.User is the selected form (for example: fore suspension and rear suspension, drive form etc.) of automobile each several part and some population parameters (as: wheelbase, wheelspan, tyre model etc.) of automobile respectively, program just according to user suitable parts, subsystem, template etc. need to be combined into the Full Vehicle Multi-body Model of an automobile, and can carry out dynamics simulation and checking to it.
Three-dimensional road modeling framework 7 is the keys at Digital Automobile testing field, and the object of this framework is exactly to reappear according to the needs of emulation and analysis the different kinds of roads condition and the service condition that in running car, run into.In this framework, can realize the parameter designing of multiple three-dimensional pavement, for the different speed of a motor vehicle and simulation time, length that can designed, designed road surface, makes it to meet emulation needs.These road surface files can be used in the Analysis of dynamics performance of automobile, and can expand the road surface model in this framework as required, to meet the needs of more simulated environment.
The realization of above-mentioned framework, based on automobile parameter integral design method and cloud file strange land association 2 for automobile parameter storehouse 1, car model Cooley, realizes automobile Collaborative Design and research and development.
Automobile parameter storehouse 1 is by car load basic parameter storehouse, and vehicle performance parameter forms.Can carry out power system parameter coupling according to the data in parameter library and information.
Each parameters of operating part storehouse is made up of nine major parts: engine, motor, front suspension, rear suspension, brake system, tire, steering and drive system.The main contents that nine modules comprise are basic identical, take front suspension as example, can select type, structural parameters and the performance parameter etc. of front suspension.Other module and front suspension are similar.In addition, because platform management system has opening, can in real time the each parts data of automobile and information be safeguarded and be upgraded
There are the main external dimensions of car load, the main mass parameter of car load, car load economy in car load basic parameter storehouse 2 and by parameter and car load steering system parameter.
Vehicle performance parameter, is divided into two coupling routes of electric automobile and orthodox car, in electric automobile coupling route, inputs basic parameter and the power system parameter of certain automobile.Basic parameter, comprises kerb weight, fully loaded quality, final ratio, transmission efficiency, air resistance coefficient, front face area, tire radius, rolls resistance coefficient, correction coefficient of rotating mass.Power system parameter, comprises max. speed, the climbing speed of a motor vehicle, the highest climbable gradient, 0-100km/h acceleration time, at the uniform velocity distance travelled, speed of operation at the uniform velocity.Determine after this two parts parameter, can carry out the calculating of the parameter of electric machine, can revise each basic parameter (transmission gear ratio, motor base speed ratio, just determine motor overload coefficient) by the actual conditions of design.Parameter is carried out respectively rotating speed calculating, power calculation and torque calculation part after determining.This part can calculate motor maximum speed/rated speed, peak power/rated power, torque capacity/nominal torque.The basic parameter (power system busbar voltage, drive motor and controller efficiency thereof, the battery discharging degree of depth, battery discharging efficiency, car accessories energy consume scale-up factor) that then accumulator is set, calculates accumulator capacity and maximum discharge rate.According to each parameter of the structural parameters that calculate and power system, the electric automobile realistic model of building.According to automotive performance index request, above-mentioned parameter design proposal is checked.If the matching result obtaining meets performance requirement, result is preserved, for car load assembling and simulation analysis are below prepared.If check defectively, return to correcting principle or power system parameter.Orthodox car coupling route, and electric automobile coupling is basic identical, power source is published motivation.
Car model storehouse 3 is by vehicle complete vehicle CATIA model bank, vehicle complete vehicle ADAMS model bank, and Digital Three-Dimensional road surface model storehouse composition and three-dimensional picture viewing area form.
In CATIA model bank and ADAMS model bank, all comprise engine, motor, battery, tire, vehicle body, front suspension, rear suspension, steering, brake system.Vehicle complete vehicle CATIA model bank comprises that CATIA whole-car parameters makeup joins, and mainly contains 4 structural frames compositions, respectively drive form, suspension form, battery (engine) position and basic arrangement parameter.Front suspension option has: MacPherson strut, wishbone-type independent suspension, many link-types independent suspension; Rear suspension option has: torsion girder-like is independent suspension, connecting rod column suspension, multi-connecting-rod separated suspension not; Centralized driving comprises: motor preposition forerunner (fixed drive ratio), motor preposition forerunner (variable gear ratio), engine behind front wheel forerunner, engine at extreme rear rear-guard, engine behind front wheel rear-guard; Distributed driving comprises: four-wheel wheel hub motor, two is taken turns wheel hub motor; Battery arrangement position comprises: under-seat, boot below; Basic arrangement parameter comprises: wheelbase, front tread, rear track, radius of wheel.After parameters, whole vehicle model starts assembling automatically, obtains whole vehicle model, can check whether model satisfies the demands, if meet, can preserve it, for simulation analysis is below prepared, if do not meet, restarts select and assemble.
Vehicle complete vehicle ADAMS model bank comprises Full Vehicle Modelling and analysis, this framework can, according to suspension type, wheelbase, wheelspan, tire radius, drive form (comprising 4 wheel driven and distributed driving) and given engine or the motor file selected, automatically generate a many-body dynamics whole vehicle model.According to the road surface file of selecting, carry out Dynamics Simulation Analysis, and carry out verification experimental verification.
Three-dimensional pavement model bank, this database and three-dimensional road modeling framework 7 can be realized the parameter designing of multiple three-dimensional pavement, and for the different speed of a motor vehicle and simulation time, length that can designed, designed road surface, makes it to meet emulation needs.Generate road surface file including road surface node and unit information, its form is consistent with MSC.ADAMS road surface file layout, has stronger compatibility with ADAMS, can improve the efficiency of car load Dynamics Simulation.Totally nine kinds of the road surface model that this module provides, comprising: alternatively swinging road surface (Alternate Surface), large distortion road surface (Body Twist lane), resonance road (Chatterstrip), Block Road (Pave Surface), grooved road one (Pothole 1 Track), grooved road two (Pothole 2 Track), barreled road (Ripple Track), washboard road one (Washboard 1 Track), washboard road two (Washboard 2 Track).These road surface files all can be used in the dynamic Property Analysis of automobile.Road pavement file is expanded as required, to meet the needs of more simulated environment.If the road surface file generating meets the demands, road surface file is preserved, for simulation analysis; If do not meet the demands, re-start the generation of road surface file.
Three-dimensional picture viewing area comprises three-dimensional (3D) models show district and ADAMS models show district, for the demonstration of each assembly and whole vehicle model.
Claims (7)
1. a Digital Automobile research/development platform system architecture, is characterized in that, comprising: automobile dynamic system coupling framework, select each parameters of operating part in power system, and set up data supporting is provided for car load designs with model; Three-dimensional road modeling framework, for the simulation analysis such as research car load dynamic property, handling stability and ride comfort provide virtual environment; Vehicle complete vehicle parametrization assembling framework, realizes the parametrization assembling of car load parts, for the Parametric designing of car load provides support; Vehicle complete vehicle modeling and analysis framework, realize the Rapid Establishment of whole vehicle model, and model is carried out to dynamics simulation and checking, above-mentioned framework is the distributed collaborative file transfer by automobile parameter integral design method and network cloud technology based on automobile parameter storehouse, car model Cooley, realizes automobile Collaborative Design and research and development.
2. by a kind of Digital Automobile research/development platform system architecture claimed in claim 1, it is characterized in that, described automobile dynamic system coupling framework, be divided into three phases: the concept phase, first in automobile parameter storehouse, determine the type of power source, then determine the gear range of gearbox with the feature of engine or drive motor; Parameter is determined the stage, first determines the ratio of gear of variator and main reducing gear, then calculates the parameter of engine or drive motor and accumulator with the basic parameter of automobile and performance index; Performance comparison phase, with the structural parameters that calculate and each parameter of power system, the vehicle simulation model of building, checks above-mentioned parameter design proposal with automotive performance index request; Described three-dimensional road modeling framework, with the needs of emulation and analysis, utilizes car model database to reappear the different kinds of roads condition and the service condition that in running car, run into; Described vehicle complete vehicle parametrization assembling framework, refers to, with the different requirements of different motor transport corps fore suspension and rear suspension performance, driving pattern, battery arrangement position, battery basic parameter etc., realize the robotization assembling of vehicle complete vehicle; Described vehicle complete vehicle modeling and analysis framework, be divided into modeling and analyze two parts, modeling is by the user's selected pattern of automobile each several part and some population parameters of automobile respectively, program is with user's the Full Vehicle Multi-body Model that suitable parts, subsystem, template etc. need to be combined into an automobile, and analysis is that described Full Vehicle Multi-body Model is carried out to dynamics simulation and checking.
3. by a kind of Digital Automobile research/development platform system architecture claimed in claim 1, it is characterized in that, described automobile parameter storehouse, by each component parameter storehouse, car load basic parameter storehouse, vehicle performance parameter composition.
4. by a kind of Digital Automobile research/development platform system architecture claimed in claim 3, it is characterized in that, described each component parameter storehouse, is made up of engine, motor, front suspension, rear suspension, brake system, tire, steering and drive system.
5. by a kind of Digital Automobile research/development platform system architecture claimed in claim 3, it is characterized in that, described car load basic parameter storehouse, by the main external dimensions of car load, the main mass parameter of car load, car load economy and consist of parameter and car load steering system parameter.
6. by a kind of Digital Automobile research/development platform system architecture claimed in claim 3, it is characterized in that, described vehicle performance parameter, by the requirement of automotive performance index, builds vehicle simulation model.
7. by a kind of Digital Automobile research/development platform system architecture claimed in claim 1, it is characterized in that, described car model storehouse, by vehicle complete vehicle CATIA model bank, vehicle complete vehicle ADAMS model bank, Digital Three-Dimensional road surface model storehouse composition and three-dimensional picture viewing area composition.
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| CN104097710A (en) * | 2014-06-28 | 2014-10-15 | 中国北方发动机研究所(天津) | Simplified structure of military vehicle model in diesel engine real-time model |
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| CN105667346A (en) * | 2016-04-08 | 2016-06-15 | 吉林大学 | Three-motor combination drive type truck and power system parameter matching method |
| CN105811670A (en) * | 2014-12-29 | 2016-07-27 | 上海大郡动力控制技术有限公司 | Electric vehicle traction motor design parameter verification method |
| CN106547932A (en) * | 2015-09-18 | 2017-03-29 | 大陆汽车投资（上海）有限公司 | New car method for designing and its variable management configuration method |
| CN107330199A (en) * | 2017-07-04 | 2017-11-07 | 长春理工大学 | A kind of automobile radiators the Automation Design system and its design method based on CATIA |
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| CN111552996A (en) * | 2020-04-26 | 2020-08-18 | 南京汽车集团有限公司 | Integrated automobile brake system matching design platform and parameter correction method thereof |
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| CN113420371A (en) * | 2021-06-05 | 2021-09-21 | 中国第一汽车股份有限公司 | Method for improving simulation analysis precision of misuse working condition of McPherson front suspension subframe |
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| CN104097710A (en) * | 2014-06-28 | 2014-10-15 | 中国北方发动机研究所(天津) | Simplified structure of military vehicle model in diesel engine real-time model |
| CN105811670B (en) * | 2014-12-29 | 2019-07-30 | 上海大郡动力控制技术有限公司 | The method of calibration of electric car traction electric machine design parameter |
| CN105811670A (en) * | 2014-12-29 | 2016-07-27 | 上海大郡动力控制技术有限公司 | Electric vehicle traction motor design parameter verification method |
| CN106547932A (en) * | 2015-09-18 | 2017-03-29 | 大陆汽车投资（上海）有限公司 | New car method for designing and its variable management configuration method |
| CN105620310A (en) * | 2015-12-24 | 2016-06-01 | 吉林大学 | Three-motor hybrid truck and power system parameter matching method |
| CN105620310B (en) * | 2015-12-24 | 2017-10-13 | 吉林大学 | A kind of three motor combination drive cargo vehicles and power system parameter matching process |
| CN105667346A (en) * | 2016-04-08 | 2016-06-15 | 吉林大学 | Three-motor combination drive type truck and power system parameter matching method |
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| CN110516353A (en) * | 2019-08-27 | 2019-11-29 | 浙江科技学院 | A kind of mountainous area highway bend design defect method for quickly identifying |
| CN110516353B (en) * | 2019-08-27 | 2024-03-26 | 浙江科技学院 | Method for rapidly identifying design defects of expressway curve in mountain area |
| CN111552996A (en) * | 2020-04-26 | 2020-08-18 | 南京汽车集团有限公司 | Integrated automobile brake system matching design platform and parameter correction method thereof |
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| CN113420371A (en) * | 2021-06-05 | 2021-09-21 | 中国第一汽车股份有限公司 | Method for improving simulation analysis precision of misuse working condition of McPherson front suspension subframe |
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| CN115081363A (en) * | 2022-08-16 | 2022-09-20 | 中国电子科技集团公司信息科学研究院 | Collaborative public service platform |
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