Dr. Jigang Ru Profile

Dr. Jigang Ru

at Tsinghua Univ

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Publications (2)

Proceedings Article | 15 September 2005 Paper

A study of the influence of the rolling of moving part on the dynamic characteristics of OPU actuator

Jigang Ru, Longfa Pan, Jianshe Ma, Hongwei Shi

Proceedings Volume 5966, 596627 (2005) https://doi.org/10.1117/12.649828

KEYWORDS: Actuators, Servomechanisms, Finite element methods, Optical tracking, Objectives, Magnetism, Solids, Optical storage, 3D modeling, Electromagnetism

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Proceedings Article | 3 January 2005 Paper

A new detecting method of radial tilt and plane vibration of disk

Jigang Ru, Longfa Pan, Jianshe Ma

Proceedings Volume 5643, (2005) https://doi.org/10.1117/12.576167

KEYWORDS: Digital video discs, Servomechanisms, Optical tracking, Actuators, Spindles, Optical storage, Monochromatic aberrations, Distortion, Interfaces, Numerical simulations

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