Abstract
At present, the trend of population aging in the world is becoming more and more serious. Many countries have implemented many measures to solve this problem. Various high-tech products to help the elderly and disabled have also entered the lives of the elderly. In order to ensure the safety of the elderly or disabled at home, this paper designs a room using SLAM algorithm of lidar sensor under ROS (Robot Operating System) environment. Wheeled home service robots with internal positioning, mapping and multi-point continuous navigation can collect and analyze environmental data such as temperature, humidity, smoke and rainwater outside the windows and broadcast them by voice while navigation. After many debugging, this design has realized the function of indoor autonomous navigation, and timely alarm and control of abnormal environmental data in the home.
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