赛车

除了驾驶员的技能和团队对现场赛道情况的反应能力外,赛车运动的成功还取决于配置管理:在车辆自身调整及如何响应对驾驶员,竞争者以及赛道与天气等相关等条件方面,决定最佳配置从而达到最佳性能。


这就是为什么Modelon的车辆动力学库已经成为全世界数十个一级方程式赛车,NASCAR,IndyCar和其他赛车运动团队的首选平台。 赛车企业利用车辆动力学库的模块实现了系统优化及与赛车团队的交互性能的改善,同时也完成了在整个企业内部的模型部署。

优点

  • 为准确预测赛车性能提供仿真平台
  • 能够分析特定赛道条件下赛车的操舵性能
  • 使用Dymola进行协同工作从而缩短开发时间
  • 具有强大的计算能力和灵活性,能够为车队工作组提供即时的赛道分析和仿真
  • 能够在整个赛车企业内部进行部署
  • 易于扩展,定制及模型重用
  • 能够通过接口技术实现与现有的模拟软件的集成
  • 可应用于车辆系统的各个部分,如轮胎,空气动力系,发动机,悬架,传动系统等
  • 能够进行实时仿真,分析及应用

Nothing impresses NASCAR like speed.

That's why a U.S. manufacturer uses the Vehicle Dynamics Library  to develop real-time simulation tools for all of its NASCAR team customers. Flexibility and computational speed allow race team engineers to deploy the tools at trackside to analyze and predict performance under varying conditions.

The Vehicle Dynamics Library is used by the manufacturer to model all aspects of a NASCAR racecar.  The front suspension, a double wishbone, was configured directly from the VDL suspension templates.  The rear suspension, a unique rigid axle trailing arm design, was quickly built using mechanical primitives from the Modelica Standard Libraries and Modelon Mechanics Libraries.

NASCAR customers are able to easily extend standard VDL capabilities with custom tire, aerodynamics and engine models.  VDL’s tuning components allow users to precisely set the vehicle’s frame heights, weight distribution (nose, cross and right-side weights), and suspension toe and camber.

VDL's binary export capabilities are used to deploy the suspension and vehicle models to a large number of trackside engineers.  Source-code export capabilities allow customers to reuse the vehicle model in a variety of real-time applications.

Speed, flexibility, comprehensiveness, universal deployment: They add up to a checkered flag for NASCAR teams.

In the ultra-competitive world of motorsports, development time is almost as important as the speed at which a car navigates the track during a race.

Before design even starts, Dallara uses a real-time simulator to evaluate kinematics, steering geometry, aerodynamics, packaging, cooling, engine performance, monocoque stiffness and minor installation details.

Dymola and the Vehicle Dynamics Library were key drivers in developing the simulator. They enabled designers to quickly build models of every part of the racecar and share them among everyone involved in the development process, including vehicle dynamicists, aerodynamics engineers, designers, structural engineers and engine manufacturers.

Real-time simulation is being proven where the rubber meets the track: Dallara reports that its approach cut development time of the Nippon Super Formula car by more than half, and the physical car's performance and track feel are remarkably close to those of the virtual car developed on the simulator.

Toso, A. and Moroni, A., Replicating the Racing Experience Automotive Engineering, SAE International, pp. 26, March 2015

Toso, A. and Moroni, A., Professional Driving Simulator to Design First-Time-Right Race Cars, SAE Technical Paper 2014-01-0099, 2014, doi:10.4271/2014-01-0099. 

Toso, A. and Moroni, A., Professional Driving Simulator to Design First-Time-Right Race Cars, SAE Technical Paper 2014-01-0099, 2014, Presentation (pdf).

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相关产品

 Vehicle Dynamics Library

OPTIMICA Compiler Toolkit


A recent report from Dallara shows that development time for a Nippon Super Formula racecar was reduced by more than 50% - from 26 to 12 weeks - using a simulation approach based on Dymola and the Vehicle Dynamics Library

Dallara says Dymola and the Vehicle Dynamics Library enabled a modular vehicle model that allowed “engineers to replace, modify, add and refine system blocks such as tires, aerodynamics, engine, suspension, driveline [and to] link external blocks."