车联网中车载网络负载与线束优化  

Load and Wiring Harness Optimization of In-vehicle Network in Connected Vehicle

作　　者：何长伟[1] 杨殿阁[1] 张涛[1] 连小珉[1] 

机构地区：[1]清华大学汽车安全与节能国家重点实验室

出　　处：《汽车技术》2014年第9期1-4,共4页Automobile Technology

基　　金：国家高技术研究发展计划:863计划项目(2012AA111901)资助

摘　　要：基于车载分布式智能网络架构,运用独立协调机制,使用状态协调表协调汽车电器状态,建立了完整的车载分布式独立协调智能网络。进一步推导出车载网络负载的约束规划条件,运用回溯法求取最优负载。基于最优化控制建立了车载网络线束的目标函数与约束方程,运用变分法推导出了线束优化的极值条件。通过车载网络样车改造,设计实车试验,验证了该方法的有效性。Based on vehicle distributed intelligent network architecture and the use of LAN independent coordinating mechanism to coordinate the vehicle electrical state via the state function, we establish a complete vehicle distributed intelligent network with independent coordination. In the next step, we derive the constraint conditions of vehicle network load and obtain the optimal load by backtracking algorithm. Based on the optimal control, we establish the objective function and constraint equations of wiring harness of cbnnected vehicle, then we use variational method to derive the extreme value condition of wiring harness optimization. Finally, we design an vehicle test to prove the effectiveness of the method through transforming a sample car with in-vehicle network.

关 键 词：车联网 车载网络 负载优化 线束优化 

分 类 号：U463.6[机械工程—车辆工程]