Experimental Study on Performance Improvement of Force Control by Using Multi-Level Converters

被引：0
|
作者：
Obara, Hidemine [1 ]
Natori, Kenji [1 ]
Sato, Yukihiko [1 ]
机构：
[1] Chiba Univ, Dept Elect & Elect Engn, Chiba, Japan
来源：
IECON 2015 - 41ST ANNUAL CONFERENCE OF THE IEEE INDUSTRIAL ELECTRONICS SOCIETY | 2015年
关键词：
motion control; multi-level converter; force control;
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In motion control systems, detailed characteristics of power converters and motors are usually not considered. Practically, voltage ripple, harmonics, and electromagnetic interferences (EMI) generated in widely used 2-level converters become concerns to realize a high-performance control. Those possibly degrade the control performance especially in sensitive applications such as the case of small motors, high-speed and high-precision systems, and haptic systems. In this paper, performance improvement of motion control systems by applying multi-level converters is studied experimentally in a force control system of a DC motor. Some experimental results clarify that force control gain and cutoff frequency of DOB (disturbance observer) are able to be larger in the case of multi-level converters compared with the case of 2-level converters. It is confirmed that the multi-level converter improves the force control performance compared with the case of 2-level converter even when an identical control system is used.
引用
收藏
页码：5223 / 5228
页数：6
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