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基于电动轮椅的越障附加机构设计与仿真分析
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Abstract:
随着出生率的持续走低，我国未来使用电动轮椅辅助行动的群体基数越来越大。本文为提高电动轮椅面对复杂地形的适应能力，设计了一种基于电动轮椅的越障附加机构。基于准静态模型，分析了电动轮椅的越障过程，并提出了越障附加机构的设计方法。对附加机构进行结构设计后，通过ADAMS的运动仿真验证了该设计的可行性，并对300 mm × 100 mm × 3的台阶进行了越障测试。实验结果表明所设计的越障附加机构可以显著的提升电动轮椅的越障能力。
As the birth rate continues to fall, the number of people using power wheelchairs will grow in our country’s future. In this paper, an obstacle-crossing add-on mechanism based on an electric wheelchair is designed to improve the capability to complex terrain. At first, the obstacle-crossing process of the electric wheelchair is analyzed via the quasi-static model, and the design method of the obstacle-crossing add-on mechanism is proposed. Then the feasibility of the design was verified by motion simulation in ADAMS after the structural design of the mechanism. Then the obstacle-crossing experiment was performed on a 300mm × 100mm × 3 step. The experimental results show that the designed mechanism can significantly improve the obstacle-crossing capability of the electric wheelchair.
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