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Murugan Marimuthu

Bio: Murugan Marimuthu is an academic researcher. The author has contributed to research in topics: Motor drive & Optimal design. The author has an hindex of 1, co-authored 1 publications receiving 1 citations.

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TL;DR: The optimal control system of BLDC motor drive is a design which spotlights in this paper based on quadratic performance index and helps to realize the BLDC system with practical components.
Abstract: The application of BLDC motor drives in industries is becoming more popular nowadays. An error will occur in the drive that is originated by some disturbances which are the major problems to reduce the stability of the system. To obtain the minimum performance index, the optimal control signal is formulated, which is the main objective of this paper. Based on quadratic performance index, the optimal control system of BLDC motor drive is a design which spotlights in this paper. The complexity of the mathematical expressions has been reduced by using state space approach to the BLDC system. The burden to the control engineers has reduced based on tedious computation by using thus optimal design. To provide the desired operating performance, this optimal design helps to realize the BLDC system with practical components.

1 citations


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DOI
30 Aug 2021
TL;DR: There is relationship between crowded household, ventilation, room temperature, humidity, light intensity and floor condition with Pulmonary Tuberculosis and it is recommended to pay attention to healthly house sanitary aspects.
Abstract: The purpose of this study was to determine the relationship between occupancy, ventilation area, humidity, temperature, lighting, and floor conditions on pulmonary tuberculosis. This was a case-control study with the number of samples as many 60 cases of positive pulmonary tuberculosis patients and 60 control, not pulmonary tuberculosis patients and applied logistic regression analysis. The result of the bivariate analysis was showing that there was a correlation between pulmonary tuberculosis disease with the physical house condition crowded household, ventilation, room temperature, humidity of the house, lighting, and floor condition p-value indicates a row of ((0.002, 0.028, 0.010, 0.006, 0.003, 0.009). Results of regression analysis showed that ventilation is the most dominant factor affecting pulmonary tuberculosis disease OR (2,207). The conclusion of this study, there is relationship between crowded household, ventilation, room temperature, humidity, light intensity and floor condition with Pulmonary Tuberculosis. Recommended to pay attention to healthly house sanitary aspects in terms of crowded household, ventilation, room temperature, light intensity, floor condition, habit of opening the windows in the morning and increase hygiene and healthy behaviors to prevent transmission of pulmonary tuberculosis and doing health promotion for the community.