摘要
为了消除环境温度变化等原因造成的多对极角度跳点问题,基于基因突变体筛选思想提出了一种多对极角度分辨率细分方法。首先针对磁电编码器结构进行磁、热场分析,研究磁、热场对磁电编码器角度分辨率的影响。在该研究基础上,依据基因对比筛选技术原理建立多对极磁电编码器参考基因组,将多对极角度极数以及多对极角度扇区数作为参考基因组成员。依据实际计算得到的多对极角度极数及扇区数与固化在单片机内的参考基因组进行筛选对比,判断出角度跳点位置,并依据异常基因特征进行角度分辨率误差修正。通过实验验证,采用所提出方法能够有效抑制环境变化造成的多对极角度跳点问题,最终角度分辨率可达到14位(0.02°),精度达到13位(0.04°)。
In order to eliminate the problem of multi-pole angle value jump caused by environment temperature change and other reasons, an angle resolution subdivision method of multi-pole magneto-electric encoder based on the idea of gene mutant screening is proposed in this paper. Firstly, the magnetic field and thermal field of magneto-electric encoder structure are analyzed, and the influence of magnetic field and thermal field on the angle resolution of magneto-electric encoder is studied. On the basis of this study, the reference genome of multi-pole magneto-electric encoder is established according to the principle of gene contrast screening technology. The number of poles and number of sectors of multi-pole angle are used as reference genome members. The actually calculated number of poles and number of sectors of multi-pole angle are screened and compared with the reference genome stored in single chip microcomputer, then the position of the jump point of multi-pole angle caused by environment change is obtained, and the angle resolution error correction is performed according to the abnormal gene characteristics. Experiments verify that the multi-pole angle subdivision method proposed in this paper can effectively restrain the angle jump point of multi-pole angle caused by environment temperature change and so on. Finally, the angle resolution of the magneto-electric encoder can reach to 14 bits(0.02°) and its precision can reach to 13 bits(0.04°).
作者
王磊
任齐民
韩继超
张洪鑫
Wang Lei;Ren Qimin;Han Jichao;Zhang Hongxin(School of Mechanical Power and Engineering,Harbin University of Science and Technology,Harbin 150080,China)
出处
《仪器仪表学报》
EI
CAS
CSCD
北大核心
2018年第11期103-115,共13页
Chinese Journal of Scientific Instrument
基金
中国博士后基金(2016M600256)
黑龙江省博士后基金(LBH-Z16092)
哈尔滨市科技创新人才研究专项基金(2017RAQXJ076)
国家青年科学基金(51807043)
中国博士后基金(2018T110269)
黑龙江省青年科学基金(QC2016066)项目资助
关键词
多对极
扇区
基因突变体
参考基因组
磁电编码器
multi-pole
sector
gene mutant
reference genome
magneto-electric encoder
