Security Issues In The Intelligent Mowing Robot Engineering Process

The safety problems of the intelligent robomower (IRM) in the process of engineering are mainly researched in this thesis basing on the whole-region coverage intelligent robomower MORO-II.Firstly, It is the first time that the research of FTA (Fault Tree Analysis) for IRM is introduced, after analyzing the IRM MORO-II system's function, structure, principles, the state of failure, the factors of failure and so on in detail. Using the method of FTA (Fault Tree Analysis) analyze the potential fail factors of the intelligent robomower MORO-II, sum up the main problems impacting the safety of the robomower and put forward some solutions for the safety problems of the robomower. This research method is not only an innovation for the safety of IRM, but also a research ideas for the safety of other autonomous mobile robot.Then the safety problems between the robomower and human and the other animals, also the safety problems of IRM itself are deeply researched. With the full consideration of engineering practicability, the solutions to the safety problems of the robomower are promoted, which including human detection system based on infrared TSD sensor, intelligent voice prompting system, rain sensor, monitoring the current of the motor, designing the wireless communication module based on PTR8000.After all, the Safety-system and control system of the robomower are integrated, and the controlling strategy after thinking about the safety factors is promoted.The research presented in this paper resolve the safety problems of the robomower, also promote a low-cost and practical designing method, which has a certain theoretical and practical value.