Dissertation > Excellent graduate degree dissertation topics show

The Study of 24-bits Absolute Photoelectric Rotary Encoders

Author: XiaoZuoJiang
Tutor: PanZuoXue
School: Changchun University of Science and Technology
Course: Mechanical Design and Theory
Keywords: Photoelectric rotary encoder SCM software segment Angular resolution Solid light source Code disk
CLC: TP212
Type: Master's thesis
Year: 2004
Downloads: 435
Quote: 5
Read: Download Dissertation

Abstract


This study is a 24 -bit absolute optical shaft encoder , this encoder in the structural design with traditional encoder difference is that : 1) the coarse code dynasty automatic compensation system . 2) illumination system using a solid state light sources , the aspheric condenser system . Remove the complex optical lighting system , so that the axial size of the encoder greatly reduced, as compared to the similar previous encoder , the size of the amount of compression than doubled . 3) the use of dense beads shafting shafting accuracy . 4 ) with long reading the four fine reading head and a crude reading head to work at the same time , reducing the code disk and shafting long period error . The difference lies in the circuit design : the microcontroller software refinements subdivision means to replace the original resistor chain , the main advantages of the apparatus of this subdivision is: 1 . The circuit is simple , easy to debug . 2 . Structural improvements to improve the quality of the original moire fringe signal to improve the segmentation accuracy . 3 . SCM software segments , obtain higher multiples segments , thereby increasing the absolute optical shaft encoder resolution and accuracy . The encoder angular resolution is 0.078 \2 . Thus achieve high-precision detection and real-time control of the angular position , space science , automation and the building of national defense and other fields to meet the needs of high-precision, high - resolution absolute optical shaft encoder .

Related Dissertations

  1. The moire fringe interpolation coefficient rapid method segments,TN762
  2. Super-resolution VHF radar system technology research,TN958
  3. Stady on Operating and Training Simulative-Emulational System of 160 Movie Theodolite,TH761
  4. Study on the Mechanism of Busbar Bending and Development of Control System of Busbar Bending Machine,TG305
  5. The Research and Exploiture of Electric Gyroscope,V241.5
  6. Blind Beamforming and DOA Estimation,TN911
  7. Fast Evaluation of Optical Encoder’s Interpolation Errors,TN762
  8. Research on Synthesis and Luminescence Performance of White-Light LED-used Fluorescent Materials,TB34
  9. Gradual Event Detection in Sensor Networks,TP212.9
  10. Data Aggregation Scheduling Algorithms in Wireless Sensor Networks,TP212.9
  11. Research on Target Tracking and System in Wireless Sensor Networks Based on Character of Movement and Terrain Restriction,TP212.9
  12. Technology for Localization Attack Detection in Wireless Sensor Networks,TP212.9
  13. Multiple Pairwise Keys Management Protocol of Function Node-Based for Wireless Sensor Networks,TP212.9
  14. Research of Secure Distributed Cluster Wireless Sensor Network Routing Based on LEACH,TP212.9
  15. Research on Intrusion Detection Technology of Wireless Sensor Networks Based on Behavior Trust,TP212.9
  16. Region-based wireless sensor network key management scheme for research,TP212.9
  17. Mobile WSN data collection based on the virtual cluster head Strategy,TP212.9
  18. Information-oriented physical systems IEEE802.15.4MAC protocol analysis and optimization,TP212.9
  19. Multilayer structure based WSN routing protocol for heterogeneous clusters,TP212.9
  20. Soccer Data Acquisition System,TP212.9;TP274.2
  21. With the mobile node localization algorithm for wireless sensor networks,TP212.9

CLC: > Industrial Technology > Automation technology,computer technology > Automation technology and equipment > Automation components,parts > Transmitter ( converter),the sensor
© 2012 www.DissertationTopic.Net  Mobile