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浏览/检索结果: 共6条，第1-6条 帮助

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Design and Analysis of a Mutual Inductance Coupling-Based Micro Deformation Sensor 期刊论文  OAI收割
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2017, 卷号: 66, 期号: 4, 页码: 821-829
作者:  Zhang RM(张如美);  Liu H(刘浩);  Zhou YY(周圆圆);  Yang ZD(杨臻达);  Han JD(韩建达)
收藏  |  浏览/下载：26/0  |  提交时间：2017/03/26
Contrast test of the transient electromagnetic system (CASTEM) at the Dawangzhuang iron mine in Anhui province 期刊论文  OAI收割
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2016, 卷号: 59, 期号: 12, 页码: 4448-4456
作者:  Wu, Xin;  Xue, Guo-Qiang;  Chen, Wei-Ying;  Wu, Kai;  Qi, Lin
  |  收藏  |  浏览/下载：67/0  |  提交时间：2017/11/20
Surface Electromagnetic Prospecting System (SEP) contrast test in Caosiyao molybdenum mine, inner mongolia 期刊论文  OAI收割
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2015, 卷号: 58, 期号: 8, 页码: 2654-2663
作者:  Di Qing-Yun;  Xu Cheng;  Fu Chang-Min;  Wang Zhong-Xing;  Zhang Wen-Xiu
  |  收藏  |  浏览/下载：24/0  |  提交时间：2017/12/07
Design of motion adjusting system for space camera based on ultrasonic motor (EI CONFERENCE) 会议论文  OAI收割
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China
作者:  Sun Z.
收藏  |  浏览/下载：85/0  |  提交时间：2013/03/25
Drift angle is a transverse intersection angle of vector of image motion of the space camera. Adjusting the angle could reduce the influence on image quality. Ultrasonic motor (USM) is a new type of actuator using ultrasonic wave stimulated by piezoelectric ceramics. They have many advantages in comparison with conventional electromagnetic motors. In this paper  some improvement was designed for control system of drift adjusting mechanism. Based on ultrasonic motor T-60 was designed the drift adjusting system  which is composed of the drift adjusting mechanical frame  the ultrasonic motor  the driver of Ultrasonic Motor  the photoelectric encoder and the drift adjusting controller. The TMS320F28335 DSP was adopted as the calculation and control processor  photoelectric encoder was used as sensor of position closed loop system and the voltage driving circuit designed as generator of ultrasonic wave. It was built the mathematic model of drive circuit of the ultrasonic motor T-60 using matlab modules. In order to verify the validity of the drift adjusting system  was introduced the source of the disturbance  and made simulation analysis. It designed the control systems of motor drive for drift adjusting system with the improved PID control. The drift angle adjusting system has such advantages as the small space  simple configuration  high position control precision  fine repeatability  self locking property and low powers. It showed that the system could accomplish the mission of drift angle adjusting excellent. 2011 SPIE.  
Electromagnetic radiation test of power driver module in optical tracking system and electromagnetic compatibility (EI CONFERENCE) 会议论文  OAI收割
2010 International Conference on Computer, Mechatronics, Control and Electronic Engineering, CMCE 2010, August 24, 2010 - August 26, 2010, Changchun, China
作者:  Yu H.
收藏  |  浏览/下载：32/0  |  提交时间：2013/03/25
In order to solve the conductive ring module's interference problems  measured the electromagnetic radiation of Power drive module  and used test results analysis the electromagnetic compatibility of the conductive ring  identified and implemented appropriate EMC (electromagnetic compatibility) measures. When optical tracking system working  test equipment can not be fixed. Therefore  from the electromagnetic radiation theory  the paper analyzed the electromagnetic radiation of the power drive module. From it  determine the EMC pre-compliance test method for electromagnetic radiation of power drive module. Based on Test results  calculate the interference voltage of wire in Conductive ring  and then determine the corresponding EMC method. The results show that  when The power drive module Radiate Electromagnetic waves  wires would coupled common mode interference voltage  its frequency is 3MHz  amplitude is about 10V  it would interfered the operation of sensor. By reducing the area of ground loops  used shielded cables  final rule out the interference. 2010 IEEE.  
智能轮胎传感器的研究现状及发展趋势（二） 期刊论文  OAI收割
仪表技术与传感器, 2008, 卷号: -, 期号: 10, 页码: 109-112
作者:  张向文;  王飞跃
  |  收藏  |  浏览/下载：19/0  |  提交时间：2017/07/16