ADOPTION OF VIBRATION OF FUZZY PARTIAL FRACTIONAL-ORDER EQUATION IN MONITORING OF NOISE BIG DATA UNDER INFINITE IMPULSE RESPONSE DIGITAL FILTER ALGORITHM

Liwei Zhang, Zhanling Zhang, Ali Saleh Alshomrani (), Yinghui Zhang and Lisha Wang
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Liwei Zhang: Key Laboratory of Modern Power System, Simulation and Control & Renewable Energy Technology, Ministry of Education (Northeast Electric Power University), Jilin 132012, P. R. China
Zhanling Zhang: Key Laboratory of Modern Power System, Simulation and Control & Renewable Energy Technology, Ministry of Education (Northeast Electric Power University), Jilin 132012, P. R. China
Ali Saleh Alshomrani: ��Mathematical Modelling and Applied Computation Research Group (MMAC), Department of Mathematics, King Abdulaziz University, P. O. Box 80203, Jeddah 21589 Saudi Arabia
Yinghui Zhang: ��State Grid Jibei Electric Power Company, Beijing 100054, P. R. China
Lisha Wang: �State Grid Shijiazhuang Electric Power Company, Shijiazhuang 050021, P. R. China

FRACTALS (fractals), 2022, vol. 30, issue 02, 1-12

Abstract: In order to study the application of fuzzy partial fractional-order equation based on infinite impulse response (IIR) digital filter in noise big data monitoring, in this study, first, the noise level is calculated through IIR filter to obtain the sound signal sequence after C weight and A weight; the weight equivalent continuous sound level of C, A, and Z is calculated. Then, the vibration condition of fuzzy partial fractional-order equation is studied; the vibration acceleration signal is converted into the vibration velocity and displacement signal; the corresponding effective values are calculated according to the root mean square (RMS), and the noise monitoring platform is designed from hardware and software aspects. Finally, the calibrated sound level value is compared with the standard signal value generated by the digital signal generator; the sequence of sound signal after weight of the original signal, the actual acceleration signal, velocity signal, and displacement signal are calculated; the acceleration signal, velocity signal, and theoretical signal values are compared at different frequencies. The results show that the error between the calculated and calibrated sound level and the standard signal value is very small, and the results of weight counting of C and A are good and meet the requirement of calculation; the error between the measured value of actual acceleration, velocity, and displacement signal and the theoretical value is small, which can realize the accurate acquisition of vibration signal; the error between the actual measured value and the theoretical value of acceleration and velocity at different frequencies is small, about 1% and 10%, respectively. Therefore, the fuzzy partial fractional-order equation based on IIR digital filter can effectively monitor the big noise data.

Keywords: IIR Digital Filter; Fuzzy Partial Fractional-Order Equation; Noise; Vibration (search for similar items in EconPapers)
Date: 2022
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DOI: 10.1142/S0218348X22400783

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