Hybrid Bandwidth Scheduling for CAN-based Networked Control Systems  

作　　者：BAI Tao WU Zhi-Ming 

机构地区：[1]Department of Automation, Shanghai Jiao Tong University, Shanghai 200030, P.R. China [2]Department of Automation, Taiyuan University of Science and Technology, Taiyuan 030024, P. R. China

出　　处：《自动化学报》2007年第9期963-967,共5页Acta Automatica Sinica

基　　金：Supported by Natural Science Foundation of Shanxi Province(20051020)

摘　　要：安排计划的混合带宽被建议为基于罐头的联网的控制系统改进服务和带宽利用的质量。它为两个联合率 monotonic 和改进圆知更鸟的计划即时、非即时的数据。而且，就控制的限制而言，性能和网络 schedulability，一个启发式的分支和界限与基因算法(GA ) 算法被介绍让控制数据最小化他们不适当的安排引起的带宽占有和神经质。剩余带宽被建议规模分配到非即时的数据圆知更鸟的计划以便他们的网络负担被平衡。A hybrid bandwidth scheduling scheme is proposed to improve the quality of service and the bandwidth utilization for the CAN-based networked control systems. It combines rate monotonic and improved round-robin scheme for both the realtime and non-real-time data. Moreover, considering the constraints of control performance and network schedulability, a heuristic branch and bound ＆ genetic algorithm （GA） algorithm is presented for the control data to minimize their bandwidth occupancy and the jitter caused by improper scheduling. The residual bandwidth is allocated to non-real-time data by the proposed scale round-robin scheme such that their network loads are balanced.

关 键 词：带宽 网络控制系统 QOS 拒绝服务 网络诱导延迟 循环延迟 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]