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工程设计学报
工程设计学报  2010, Vol. 17 Issue (2): 102-106    
工程设计理论、方法与技术     
像面扫描系统负载非平衡特性分析
 徐正平1,2, 葛文奇1, 杨守旺1,2, 郑 飞1,2, 汪建林3
1.中国科学院 长春光学精密机械与物理研究所,吉林 长春 130033；
2.中国科学院 研究生院,北京 100039； 3.宁夏医科大学 理学院,宁夏 银川 750004
Analysis on non-equilibrium load feature of image scanning system
 XU  Zheng-Ping1.2, GE  Wen-Qi1, YANG  Shou-Wang1,2, ZHENG  Fei1,2, WANG  Jian-Lin3
1. Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China;[JP]
2. Graduate School of the Chinese Academy of Sciences, Beijing 100039, China;
3. College of Science, Ningxia Medical University, Yinchuan 750004, China
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摘要： 为便于像面扫描控制系统的设计和机械配重,对系统负载的非平衡特性进行研究.首先从凸轮设计入手,简要介绍了相机的工作模式,指出在相机位角扩大监视模式下,凸轮及从动件的重力将会在凸轮扫描平面上产生重力分量.对像面扫描系统负载非平衡特性进行了理论分析.基于电机的数学模型,提出通过电机开环响应曲线测定负载力矩的方法,并分析了测量误差产生的原因.理论分析表明：在相机位角为0°时,凸轮从动件的惯性力造成电机负载力矩不平衡,电机转速越高,负载力矩越大；在相机位角非零时,凸轮及从动件重力在凸轮旋转平面的分量对负载力矩产生影响,且相机位角越大,电机负载力矩越大.像面扫描系统负载非平衡特性的研究将为后续控制系统设计及机械配重提供理论依据.
关键词： 退火非平衡负载;  凸轮;  像面扫描系统    
Abstract: In order to facilitate the design of control system and mechanical weightmatching, research on the non-equilibrium load feature of imaging scanning systems was carried out. Beginning with the design of the cam, the operating modes of the camera was briefly introduced, and the conclusion that when the camera operated in the position-angle-extension mode, the gravitation of the cam and follower would be projected on the plane of cam scanning was drawn. Academic analysis was done to the non-equilibrium load feature of image scanning systems. Based on the analysis of the motor model, one method to test the load torque through the open-response was induced, and the root of the error was analyzed. The academic analysis shows that when camera positionangle equals to zero, the inertial force of the follower causes the non-equilibrium of motor load torque and the load torque is directionally proportional to the motor rotating speed. Otherwise, the projected part of the gravitation of the cam and follower on the cam scanning plane would affect the load torque. The load torque is also directionally proportional to the position-angle. The research would provide academic reference for the design of the control system and mechanical weight-matching．
Key words: non-equilibrium load    cam    image scanning system
出版日期: 2010-04-28
:  TG 202  
基金资助:

国家高技术研究发展计划(863计划)资助项目(2007AA701203)
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徐正平
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汪建林

引用本文:

徐正平, 葛文奇, 杨守旺, 郑飞, 汪建林. 像面扫描系统负载非平衡特性分析[J]. 工程设计学报, 2010, 17(2): 102-106.

XU Zheng-Ping, GE Wen-Qi, YANG Shou-Wang, ZHENG Fei, WANG Jian-Lin. Analysis on non-equilibrium load feature of image scanning system[J]. Chinese Journal of Engineering Design, 2010, 17(2): 102-106.

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https://www.zjujournals.com/gcsjxb/CN/    或    https://www.zjujournals.com/gcsjxb/CN/Y2010/V17/I2/102

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