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Researchers and control engineers have long struggled with the challenge of creating a non-linear controller. Multiple inputs and outputs are available to the robotic manipulators. The focus of this research is on two types of link manipulators. Automation has reduced the number of workers needed to deliver a thorough description of NPID controller dynamics and control structure. NPID was shown to be superior to other proportional integral and derivative controllers because of the nonlinear multiplier it uses in conjunction with the integral controller. Welding, underwater robotics, the industrial painting industry, spot welding, and a slew of other applications all use this controller. It was possible to eliminate the drawbacks of traditional PID controllers while also improving the overall advantages by merging PID controllers with fuse logic, resulting in the development of both of these resilient technologies.
Keywords
NPI; PID; Modelling; Nonlinear Controller; Nonlinear Multiplier