Design, Implementation, and Force Modeling of Quadrupole Magnetic Tweezers
作者： Zhipeng Zhang , Kui Huang , Chia-Hsiang Menq
DOI: 10.1109/TMECH.2009.2032179
关键词:
摘要: This paper presents the design, implementation, and force modeling of quadrupole magnetic tweezers, which are capable exerting forces in arbitrary 2-D directions on particles workspace. A lumped-parameter model based monopole approximation is employed to describe field generated by tweezers In this model, each pole approximated a point charge associated with pole, total produced system obtained applying principle superposition. An analytical considering interaction between particle then developed. The derived accurately characterizes nonlinearity respect applied currents coils position dependency directionality as well generation anisotropy designed explored using model. also facilitates implementation feedback control law stabilize motion particle. Experimental results terms relation stable used validate
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