Authors: Dr. Nikhil S. Patil, Dr. Priya R. Sen
Abstract: Field-Programmable Gate Arrays (FPGAs) have emerged as a highly versatile platform for implementing control circuits in applications ranging from robotics to industrial automation. Their parallel processing capabilities,
reconfigurability, and high-speed operation enable precise real-time control beyond the limits of traditional microcontrollers or DSPs. This paper presents a comprehensive study of FPGA-based control circuit design, implementation strategies, optimization techniques, and applications. We discuss architectures, performance metrics, and trade-offs between hardware utilization, speed, and power consumption. Case studies demonstrate FPGA deployment for PID control, motor drive systems, and adaptive control loops. Design challenges such as resource constraints, timing closure, and signal quantization are addressed. The paper concludes with trends in FPGA-
enabled intelligent and reconfigurable control systems.
Keywords: FPGA, Control Circuits, Real-time Control, PID, Hardware Implementation, Parallel Processing, Reconfigurable Logic
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