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老年人和下肢残疾患者是当今社会一个不容忽视的弱势群体，轮椅是一种改善其运动功能的康复辅助器具，而智能轮椅的快速发展为这些人提供了生活便利。主要介绍了智能轮椅技术及其研究关键，重点阐述了导航和人机交互技术，并介绍了智能轮椅技术的发展趋势，为智能轮椅的开发提供了一定的参考。

The elderly and patients with lower limb disabilities are significant groups in today's society that cannot be ignored. Wheelchairs are rehabilitation aids that improve the motor function of the elderly and patients with lower limb disabilities. The rapid development of intelligent wheelchairs has provided convenience for these people in their daily lives. In this paper, the intelligent wheelchair technology and related key problems were mainly introduced, with a focus on navigation and human-computer interaction technology. The development trend of intelligent wheelchair technology was also introduced, providing a certain reference for the development of intelligent wheelchairs.