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Three Degree-of-freedom Optical Orientation Measurement

  • Liang Yan
  • I-Ming Chen
  • Chee Kian Lim
  • Guilin Yang
  • Kok-Meng Lee
Part of the Mechanisms and Machine Science book series (Mechan. Machine Science, volume 4)

Abstract

Orientation measurement is an important topic for spherical actuators. The purpose of this study is to propose a high-precision non-contact displacement measurement method for 3-DOF rotational motions. The operating principle of the measurement method is based on the non-contact laser detection. It has several advantages compared with other orientation measurement methods. The non-contact property avoids friction and additional mass/inertia moment exerted on the moving part that may significantly reduce the system working efficiency. Compared with other non-contact measurement methods, it can achieve a high-precision measurement result, and its performance is not affected by environmental field. The algorithm for three rotation angles has been derived. Two experimental apparatus have been developed to conduct measurements, and to evaluate the proposed orientation measurement method.

Keywords

Rigid Body Light Spot Orientation Measurement Laser Sensor Hall Sensor 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media B.V. 2011

Authors and Affiliations

  • Liang Yan
    • 1
  • I-Ming Chen
    • 2
  • Chee Kian Lim
    • 3
  • Guilin Yang
    • 4
  • Kok-Meng Lee
    • 5
  1. 1.School of Automation Science and Electrical EngineeringBeihang UniversityBeijingPeople’s Republic of China
  2. 2.School of Mechanical and Aerospace EngineeringNanyang Technological UniversitySingaporeSingapore
  3. 3.School of Mechanical & Aeronautical EngineeringSingapore PolytechnicSingaporeSingapore
  4. 4.Singapore Institute of Manufacturing TechnologyNanyangSingapore
  5. 5.Georgia Institute of TechnologyAtlantaUSA

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