摘要
针对如何提高轮对磨耗检测速度的问题,对轮对磨耗检测的方法、磨耗检测算法、基于DSP的算法优化方法等方面进行了研究和归纳,提出了基于TI公司定点DSP芯片TMS320DM6467的车辆轮对磨耗检测算法的优化方法。在实现基于DSP图像处理系统的基础上,根据轮对磨耗检测算法的特点和硬件结构特点,采用几种算法优化方法对磨耗检测算法进行了优化,包括运用软件流水实现DSP并行处理、运用内联函数提高代码执行效率、优化存储器提高系统运行速度等方法,最后进行了实验。实验结果表明,优化后算法执行的效率是优化前算法的3.3倍,优化效果明显。
Aiming at how to improve the speed of wheelset detection, methods for wheelset wear detection, wear detection algorithm and algorithm optimization methods based on DSP were researched and generalized. The optimization methods for vehicle wheelset wear detection algorithm based on TI＇s fixed-point DSP DM6467 were proposed. The DSP-image processing system was implemented. Depending on the features of detection algorithm and structural characteristics of the hardware. Some algorithm optimization methods had been used to optimize the wear detection algorithm. Software pipelining was used to achieve parallel processing for DSP. lnline functions were used to improve the efficiency of the code. Memory was optimized to improve the speed of the system. The results indicate that, the efficiency of optimized algorithm is 3.3 times as fast as before. The optimization of result is obvious.
出处
《机电工程》
CAS
2014年第6期716-720,共5页
Journal of Mechanical & Electrical Engineering
基金
国家自然科学基金资助项目(61372155)
关键词
轨道交通
车辆轮对磨耗检测
图像处理
DM6467
检测算法效率
算法优化
rail transport
wear measurement of vehicle wheelset
image processing
DM6467
efficiency of detection algorithm
algorithm optimization
作者简介
祝中科（1989-），男，湖北鄂州人，主要从事精密测量与光电检测技术方面的研究．E—mail：258520975@qq．com
通信联系人：吴开华，男，博士，副教授，硕士生导师．E—mail：wukaihua@hdu．edu．cn
