Development of a Security Subsystem of a Robotic Laser Welding Complex
2021
The aim of the work is to develop a safety subsystem that is part of the control system of a robotic laser welding complex. The main tasks to be solved: the development of hardware implementation of the complex security circuit and the development of security algorithms for the main technological equipment of the complex. To solve the tasks, an analysis of the main technological equipment of the complex and laser welding technology was made. A list of processed contingencies was compiled. The specifications of the local security systems built into the main equipment were analyzed. Local security facilities are integrated into a common security circuit of the complex. Algorithms for the operation of the safety subsystem elements of the robotic laser welding complex were developed. In the analysis of existing means of protection against laser radiation, it was concluded that it is necessary to develop an external protective fence of the complex with an active recognition system for the beam entering the fence. The main results of the work are the scheme for connecting local security systems of the main technological equipment into a single complex security circuit and the algorithms of the complex’s security subsystem.
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