The dual-arm crawler chassis is designed for post-disaster sites such as earthquakes and fires. By analyzing the current research status of domestic and international post-disaster rescue robots, the advantages and disadvantages of various types of obstacle-surmounting rescue robots are evaluated. It is concluded that crawler-type robots can better exert mobility in complex environments, navigate various challenging terrains, and achieve the goal of rescue. To address the issue of large volume and mass of crawler-type robots, a method of adding fin-shaped tracks to the track structure is proposed, and research on deformable tracks is conducted to improve the shortcomings of crawler-type robots and enhance their feasibility and stability.
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