NDLI: An Adaptive Meshless Computation Method for Design of Electromechanical Actuators

Content Provider	IEEE Xplore Digital Library
Author	Qiang Li Kok-Meng Lee
Copyright Year	2006
Description	Author affiliation: G. W. Woodruff Sch. of Mechanical Eng., Georgia Inst. of Technol., Atlanta, GA (Qiang Li)
Abstract	The ever increasing cost of energy and advance in permanent magnet technology have the incentives to develop geometrically compact and energy-efficient electro-magnetic (EM) actuators for robotic and automation applications. Design automation of these actuators often involves solving a magnetic field problem. This paper presents an adaptive meshless method (MLM) that inherits many advantages of FEM but needs no explicit mesh structure for design of EM actuators. Specifically, this paper offers a technique to estimate the distribution of numerical errors and a scheme automatically inserts additional nodes to improve computational accuracy and efficiency. Five examples are given; the first three are numerical examples, where exact solutions are available, provide a means to validate the adaptive MLM and evaluate its effectiveness against MLM with uniform node distribution. The other examples, where the magnetic forces are computed from the Lorenz's law, illustrate the use of adaptive MLM for the pole design of a three-DOF EM actuator. We also verify the results by comparing the computed forces against published experimental results
Starting Page	5453
Ending Page	5458
File Size	7620814
Page Count	6
File Format	PDF
ISBN	1424402581
DOI	10.1109/IROS.2006.282176
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-10-09
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Design methodology Actuators Costs Permanent magnets Energy efficiency Robotics and automation Design automation Magnetic fields Distributed computing Magnetic forces actuator design electromagnetic adaptive meshless method finite element magnetic field
Content Type	Text
Resource Type	Article

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