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IntroductionWall- climbing robots with magnetic tracks arewidely used in the fields such as oil tank surfaceinspection,paints spraying shown in Fig.1 .Therobot attaches to the steel wall surface due to anumber of magnetic suckers on both tracks andis driven by the rear chain wheels. In order todecrease the robot's weight and improve its at-tractive ability on steel wall surface,the mag-netic suckers should be small in size,light inweight and powerful in attractive force.Theseare some of the i… 相似文献
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