Active Vibration Control of Composite Structures Using MicroBlaze™ Soft Core Processor on Virtex-4 FPGA

• Published in: Journal of Low Frequency Noise, Vibration and Active Control Vol. 33; no. 2; pp. 139 - 161
• Main Authors: Prakash, Shashikala, Karthikeyan, C, Kumar, T G Renjith, Radhakrishna, P, Ravikiran, P G
• Format: Journal Article
• Language: English
• Published: London, England SAGE Publications 01.06.2014
• Subjects: EDK(Embedded Development Kit); Active Vibration Control; SDK(Software Development Kit); Smart Actuators/Sensors; XPS(Xilinx Platform Studio); Adaptive filters; feed forward Filtered –x LMS; System identification; Field Programmable Gate Arrays (FPGAs). MicroBlaze; Reduced Instruction Set Computer (RISC)
• ISSN: 0263-0923; 1461-3484; 2048-4046; 2048-4046
• DOI: 10.1260/0263-0923.33.2.139

The present work investigates Multi – channel Active Vibration Control (AVC) of a composite research wing model and shell structure using modified Filtered × Least Mean Square (F×LMS) algorithm on Field Programmable Gate Arrays (FPGAs). AVC, using Digital Signal Processing (DSP) techniques are cost effective. But FPGAs, consuming small silicon area, have emerged as a dominant technology in embedded applications with potential features like high speed processing and low power consumption. Prominent features like high-speed parallel processing architecture along with hardware reconfigurability facilitates its usage to be wide spread in signal processing applications. An adaptive active vibration control system based on feed forward modified F×LMS algorithm implemented on FPGA hardware is presented here. The results from the Multi channel real time AV C studies are brought out in the paper.