针对行走机构双电动机驱动的严格同步要求,采用CAN(Controller Area Network)总线时钟同步协议实现同步组单轴速度指令的同步执行.为解决齿间隙造成的两轴实际速度不协调及刚性连接的两行走电动机间的耦合关系导致的负载不均衡问题,提...针对行走机构双电动机驱动的严格同步要求,采用CAN(Controller Area Network)总线时钟同步协议实现同步组单轴速度指令的同步执行.为解决齿间隙造成的两轴实际速度不协调及刚性连接的两行走电动机间的耦合关系导致的负载不均衡问题,提出电动机电流跟随算法.实验结果表明,该算法保证了两轴同步运动的精度,实现了焊接小车快速平稳运行.展开更多
A new efficient adapting virtual intermediate instruction set,V-IIS,is designed and implemented towards the optimized dynamic binary translator (DBT) system.With the help of this powerful but previously little-studied...A new efficient adapting virtual intermediate instruction set,V-IIS,is designed and implemented towards the optimized dynamic binary translator (DBT) system.With the help of this powerful but previously little-studied component,DBTs can not only get rid of the dependence of machine(s),but also get better performance.From our systematical study and evaluation,experimental results demonstrate that if V-IIS is well designed,without affecting the other optimizing measures,this could make DBT's performance close to those who do not have intermediate instructions.This study is an important step towards the grand goal of high performance "multi-source" and "multi-target" dynamic binary translation.展开更多
文摘针对行走机构双电动机驱动的严格同步要求,采用CAN(Controller Area Network)总线时钟同步协议实现同步组单轴速度指令的同步执行.为解决齿间隙造成的两轴实际速度不协调及刚性连接的两行走电动机间的耦合关系导致的负载不均衡问题,提出电动机电流跟随算法.实验结果表明,该算法保证了两轴同步运动的精度,实现了焊接小车快速平稳运行.
基金Projects(12R21414600)supported by Shanghai Municipal Science and Technology Commission,China
文摘A new efficient adapting virtual intermediate instruction set,V-IIS,is designed and implemented towards the optimized dynamic binary translator (DBT) system.With the help of this powerful but previously little-studied component,DBTs can not only get rid of the dependence of machine(s),but also get better performance.From our systematical study and evaluation,experimental results demonstrate that if V-IIS is well designed,without affecting the other optimizing measures,this could make DBT's performance close to those who do not have intermediate instructions.This study is an important step towards the grand goal of high performance "multi-source" and "multi-target" dynamic binary translation.