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Performance Enhancement of a MEMS Capacitive Accelerometer Using Fuzzy Logic Controller
A MEMS Capacitive Accelerometer (MEMSCA) is an analog differential type capacitive transducer which is generally employed for the measurement of acceleration. Due to limited input range and bandwidth, it offers a restricted open-loop performance. Additionally, its parameters such as mass and spring constant are also subjected to considerable manufacturing tolerances, which further aggravate these limitations. In this paper, an innovative application of a Fuzzy PID controller implemented as Fuzzy PI + Fuzzy PD controller is presented to overcome these limitations and enhance the performance. Controller performance is assessed using settling time, proof-mass displacement, and robustness under parameter uncertainties and has been compared with the conventional PID controller, both tuned for minimum proof-mass displacement and settling time using Genetic Algorithm. Intensive simulation studies, in MATLAB®/Simulink® environment, have demonstrated the significant performance enhancement by the Fuzzy PID controller.
Performance Enhancement of a MEMS Capacitive Accelerometer Using Fuzzy Logic Controller
A MEMS Capacitive Accelerometer (MEMSCA) is an analog differential type capacitive transducer which is generally employed for the measurement of acceleration. Due to limited input range and bandwidth, it offers a restricted open-loop performance. Additionally, its parameters such as mass and spring constant are also subjected to considerable manufacturing tolerances, which further aggravate these limitations. In this paper, an innovative application of a Fuzzy PID controller implemented as Fuzzy PI + Fuzzy PD controller is presented to overcome these limitations and enhance the performance. Controller performance is assessed using settling time, proof-mass displacement, and robustness under parameter uncertainties and has been compared with the conventional PID controller, both tuned for minimum proof-mass displacement and settling time using Genetic Algorithm. Intensive simulation studies, in MATLAB®/Simulink® environment, have demonstrated the significant performance enhancement by the Fuzzy PID controller.
Performance Enhancement of a MEMS Capacitive Accelerometer Using Fuzzy Logic Controller
J. Inst. Eng. India Ser. B
Goswami, Yagyadatta (author) / Kalra, Ujjwal (author) / Kaul, Suraj (author) / Rana, K. P. S. (author) / Kumar, Vineet (author)
Journal of The Institution of Engineers (India): Series B ; 102 ; 295-310
2021-04-01
16 pages
Article (Journal)
Electronic Resource
English
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