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Journal articles on the topic 'Drum Level'

Author: Grafiati

Published: 4 June 2025

Last updated: 1 August 2025

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1

Tawfeic, S. R. "BOILER DRUM-LEVEL MODELING." JES. Journal of Engineering Sciences 41, no. 5 (2013): 1812–29. http://dx.doi.org/10.21608/jesaun.2013.114911.

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2

Hao, Shijie. "Transformer-based Note level Automatic Drum-Set Transcription." Applied and Computational Engineering 117, no. 1 (2024): 17–21. https://doi.org/10.54254/2755-2721/2024.18302.

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Automatic Drum-set Transcription (ADT) aims to convert drum performance audio into corresponding musical notes. Unlike ordinary instruments, drum performances are characterized by higher discreteness, faster tempos, and shorter note durations. To address these challenges, we propose a novel method for achieving precise drum-set music transcription. Our approach employs a Transformer model as the feature extractor and applies the SemiCRF loss function to guide the prediction probabilities of all potential notes. Given the scarcity of drum-set transcription datasets within the community, we have

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3

Kwatny, H. G., and J. Berg. "Drum Level Regulation at all Loads." IFAC Proceedings Volumes 26, no. 2 (1993): 659–62. http://dx.doi.org/10.1016/s1474-6670(17)48551-x.

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4

Liang, Wei Ping, and Jia Ju Zhang. "The Application of DCS in the Drum Water Level Control." Advanced Materials Research 655-657 (January 2013): 1419–22. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.1419.

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This paper introduces the thermal power plant boiler drum water level control, using cascade three-impulse control strategy, based on the distributed control system to realize the control of the drum water level. This paper analyzes the main variables affect the drum water level, the dynamic characteristics of the drum water level, the principle of the cascade three-impulse control strategy, brief introduction to the main function of the main and auxiliary loops, The basic idea and implementation methods of distributed control system and draw a simple logic diagram.

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5

Kong, Ling Da, Chun Guang Tian, Ting Han, Ying Xin Guan, and Xiao Juan Han. "Advanced Control of Boiler Drum Water Level Based on Cloud Model Theories." Applied Mechanics and Materials 433-435 (October 2013): 971–75. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.971.

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In order to implement an excellent control for boiler drum water level at a power plant, nonlinear systems with long time-delay, a new intelligent control algorithm based on cloud model theories is proposed. According to the requirements of boiler drum water level control system, a two-dimensional cloud model controller is designed by incorporating deviation signals and deviation changing rates of the drum water level as its inputs, three parameters of PID as its outputs which are adjusted real-time by generating cloud mapping rules to realize fast and accurate control for the drum water level

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Li, Jia, Lei Wang, and Xin Wang. "Fatigue Life Reliability Analysis of Belt Conveyor Driving Drums Based on FEM." Advanced Materials Research 118-120 (June 2010): 492–96. http://dx.doi.org/10.4028/www.scientific.net/amr.118-120.492.

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Conveyer system security and reliability are related to belt conveyor drum design level .This paper proposes a method of analyzing the belt conveyer drum fatigue life reliability based on FEM, and establishes a real-time dynamic loading model, which can reflect accurately the condition of drum actual work load. This method realize drums fatigue life reliability analysis by applying rain-flow count method for processing stress spectrum that are obtained from FEM, it combines material P-S-N curves and other performance parameters and adopts Miner ruler. By applying the method on a practical proj

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7

Ishizuka, Ryoto, Ryo Nishikimi, and Kazuyoshi Yoshii. "Global Structure-Aware Drum Transcription Based on Self-Attention Mechanisms." Signals 2, no. 3 (2021): 508–26. http://dx.doi.org/10.3390/signals2030031.

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This paper describes an automatic drum transcription (ADT) method that directly estimates a tatum-level drum score from a music signal in contrast to most conventional ADT methods that estimate the frame-level onset probabilities of drums. To estimate a tatum-level score, we propose a deep transcription model that consists of a frame-level encoder for extracting the latent features from a music signal and a tatum-level decoder for estimating a drum score from the latent features pooled at the tatum level. To capture the global repetitive structure of drum scores, which is difficult to learn wi

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8

Sumit, Patel, and Sharma Vinit. "Analysis of Different Controllers used for Boiler Drum Level Control by using LabVIEW Simulation." International Journal of Trend in Scientific Research and Development 4, no. 1 (2019): 887–91. https://doi.org/10.5281/zenodo.3609767.

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An intelligent model is developed to control the water level in boiler drum. There are three different types of boiler control such as i Single element boiler drum level control, ii Two element boiler drum level control and iii Three element boiler drum level control. This paper provides the knowledge about the Fuzzy PID Controller and the various PID controller design methods such as Zeigler Nichols method, Tyreus Luyben method, Internal Model Control IMC . Comparative study is made on the performance of the PID and Fuzzy PID controller for better control system design. Sumit Patel | Vinit Sh

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9

CHAKROBORTY, DEBYENDU. "Three Element Compensated Drum Level Control In Thermal Power Plant." Three Element Compensated Drum Level Control In Thermal Power Plant 43, no. 3 (2013): 165–67. https://doi.org/10.5281/zenodo.10823540.

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In Thermal Power Plant, drum level control & its density compensation is a vital and critical phenomenon. This level measurement can be done by calibrated differential pressure transmitter (DPT) and physical visualization can be done by electronic drum level indicator or by sight gage glass. This type of control can be achieved by maintaining drum level / NWL, steam flow & feed water flow in an adequate ratio to prevent damage to boiler & turbine. This paper will discuss why we require such type of control for the smooth operation of thermal power plant.

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10

Zhou, Bo, and Chao Yang Fei. "Asymmetry Analysis of Water Level Measured on Two Ends of Drum Boiler." Advanced Materials Research 148-149 (October 2010): 1421–26. http://dx.doi.org/10.4028/www.scientific.net/amr.148-149.1421.

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Control of the water level in the drum of the boiler system is a critical operation consideration, because asymmetric dynamics of water level measured leads to measuring errors. This phenomenon is testified by field data from a 400t/h drum boiler with natural circulation in a power plant of China. Some equations are developed and several related factors are focused on, and two of which become critical ones accounting for asymmetry of measured value. With the study of structure of distribution pipes in drum, it is found that feed-water flows distributed on the opposite ends of drum are obviousl

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11

Meng, Fansheng, Xuefei Zhang, Yan Zheng, Xi Cheng, and Zhi Weng. "Fuzzy control and simulation of boiler drum water level." MATEC Web of Conferences 309 (2020): 05003. http://dx.doi.org/10.1051/matecconf/202030905003.

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Boiler drum water level control system is hard to develop practical mathematical model and has nonlinear, stable and delay characteristics. The traditional boiler drum water level control often uses three impulse PID control method. The existing problem of ordinary PID control strategy is: once good parameter setting, it is hard to adapt to the change of the operation of the system dynamic greatly. In order to solve the problems of the above, the research object of the subject is a certain 120 t/h boiler steam capacity, the boiler drum water level control system is designed, and the control st

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12

Pu, Cuiping, Yicheng Zhu, and Jianbo Su. "Drum Water Level Control Based on Improved ADRC." Algorithms 12, no. 7 (2019): 132. http://dx.doi.org/10.3390/a12070132.

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Drum water level systems show strong disturbance, big inertia, large time delay, and non-linearity characteristics. In order to improve the antidisturbance performance and robustness of the traditional active disturbance rejection controller (ADRC), an improved linear active disturbance rejection controller (ILADRC) for drum water level is designed. On the basis of the linear active disturbance rejection controller (LADRC) structure, an identical linear extended state observer (ESO) is added with the same parameters as that of the original one. The estimation error value of the total disturban

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13

Artiyasa, Marina, Yogi Listiarga, and Anang Suryana. "Penambahan Waktu Tunda Kondisi Paling Rendah Level Drum untuk Mengurangi Potensi Boiler Bocor Berdasarkan Debit Alir di PT. Indonesia Power PLTU Pelabuhan Ratu." Jurnal SISKOM-KB (Sistem Komputer dan Kecerdasan Buatan) 6, no. 2 (2023): 109–17. http://dx.doi.org/10.47970/siskom-kb.v6i2.373.

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Abstract— PT. PLTU Indonesia di Pelabuhan Ratu Sukabumi memiliki boiler yang terdiri dari economizer, steam drum, downcomer, coal worker, wall stirrer, superheater, heater dan valve yang terhubung ke sistem. Salah satu sistem boiler yang akan diservis adalah steam drum level. Level drum uap tidak boleh mencapai level terendah (LLL). Pada tanggal 15 Mei 2019 terjadi kebocoran water heater tepatnya di blok 1 pipa dinding air belakang dan kiri. Sensor kebocoran uap No. peningkatan intensitas 1, 2, 3 dan 5, menandakan adanya kebocoran pada water wall unit 1 boiler. Setelah dianalisa apa akar penye

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14

Zhang, Shao Yang, and Fu Ping Wang. "Frictional Performance of Brake Pads against Al Metal Matrix Composites with Different Sizes of SiC Particles." Key Engineering Materials 336-338 (April 2007): 1743–45. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.1743.

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Two drums suitable for a Chase Machine were made of Al metal matrix composites containing 25vol.% SiCp with 3.5 μm and 34 μm in nominal diameter respectively. The same brake pads were measured on the Chase Machine installing each individual drum. It has been found that the brake pads had better frictional performance and wear resistance against the drum with the large-size SiCp than against the drum with the small-size ones. Friction fade took place at elevated temperatures - above 316 oC, but the original level of friction coefficient could be regained rapidly upon cooling with regard to the

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15

Kalaichelvi, V., R. K. Ganesh Ram, and R. Karthikeyan. "Biomass Boiler Drum Water Level Control System Using Neural Networks." Applied Mechanics and Materials 541-542 (March 2014): 1260–65. http://dx.doi.org/10.4028/www.scientific.net/amm.541-542.1260.

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.Biomass energy transforms solar energy into chemical energy and the energy is stored in the organisms internally with the help of the photosynthesis. In the biomass boiler combustion system, the boiler drum water level is an important parameter and it is a sign to measure regardless of whether boiler steaming water system is in balance. For a nonlinear process as water level control in boilers, conventional control theory is not an appropriate choice. In this study, a neural network based predictive controller is designed and implemented through simulation in MATLAB software for biomass boile

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16

Zhang, Yong Sheng, and Shu Qin Zhao. "The Fuzzy Self-Tuning PID Control for Boiler Drum Water Level." Applied Mechanics and Materials 198-199 (September 2012): 1231–34. http://dx.doi.org/10.4028/www.scientific.net/amm.198-199.1231.

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In order to improve the control quality of water level for boiler drum, a fuzzy self-tuning PID level controller for boiler drum was designed based on the fuzzy logic principle. The fuzzy logic toolbox and Simulink module of Matlab software were used for the modeling of the water level control system of boiler drum. Numerical simulation was implemented. The result shows that the fuzzy self-tuning PID control has such virtues as smaller overshoot, shorter regulating time and stronger robustness than conventional three-element PID control. The fuzzy self-tuning PID control is especially effectiv

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17

Silva, Richard, and Wayland Dong. "Investigating the effect of drumstick diameter on drum sound level." Journal of the Acoustical Society of America 151, no. 4 (2022): A183. http://dx.doi.org/10.1121/10.0011038.

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Acoustic drum sets typically generate high sound levels when played. Over decades, players have developed numerous techniques and manufacturers have created various products to reduce sound levels. Many of these approaches and products not only lower sound levels but also alter the drum sound, which can impact sound quality for the drummer and listener. For example, multi-rods, a collection of wooden rods wrapped together, have been created as a quieter "alternative" to traditional drumsticks. Perceptively, multi-rods do not replicate the sound of a drumstick, however, creating their own uniqu

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18

Xia, Fei, Ya-Lei Quan, Hao Zhang, and Dao-Gang Peng. "Water Level Deviation Analysis of Levels Between Two Sides of the Boiler Drum." International Journal of Automation and Computing 13, no. 2 (2016): 142–50. http://dx.doi.org/10.1007/s11633-016-0957-7.

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19

Dou, Er Fei, and Hong Xing Li. "Water Level Control System of Boiler Drum Based on GPC." Key Engineering Materials 467-469 (February 2011): 984–89. http://dx.doi.org/10.4028/www.scientific.net/kem.467-469.984.

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The paper discusses a TS fuzzy model identification method for an industrial drum-type boiler plant using the fuzzy clustering approach. The fuzzy model is constructed from a set of input-output data that covers a wide operating range of the plant. Then this paper studies the application of GPC algorithm in drum level control system Based on the T-S fuzzy model, simulates the control effect of the controller in the MATLAB environment, and analyze the performance of the control system.

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20

S. Al-Mukhtar, Riyadh. "Effect of Feed Concentration on the Production of Pregelatinized Starch in a Double Drum Dryer." Iraqi Journal of Chemical and Petroleum Engineering 8, no. 4 (2007): 13–17. http://dx.doi.org/10.31699/ijcpe.2007.4.2.

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Double drum dryer is operated for producing pregelatinized maize starches using feed starch slurries of differentsolids(7, 10 and13 g/100 g )content . Steam pressure (2,3,and 4 bar), the level of pool between the drums (4,7,and 10cm) , and speed of drums rotation (3,4,and 6 rpm) are varied together with the feed solids content in a practical range ofvalues. The response of the dryer is registered by measuring several output variables, i.e. external drum temperature,product moisture content, mass flow rate.

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21

Gan, Hui-bing, and Bo Lv. "Research on Drum Water Level Control of Marine Auxiliary Boiler Based on ADRC." Polish Maritime Research 25, s2 (2018): 35–41. http://dx.doi.org/10.2478/pomr-2018-0071.

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Abstract SThe active disturbance rejection control (ADRC) exhibits strong robustness and adaptability in the presence of strong interference of a large class of uncertain systems. In order to better control the water level of the auxiliary boiler drum, this paper applies the ADRC to improve its control precision, robustness and timeliness. Firstly, the change of drum water level in a large oil tanker auxiliary boiler is analyzed and the dynamic equation is established. After the mathematic changes, the dynamic equation is transformed into a two-order system. Aiming at the characteristics of no

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22

Bennett, E., I. M. Hall, T. Pottage, N. J. Silman, and A. M. Bennett. "Drumming-associated anthrax incidents: exposures to low levels of indoor environmental contamination." Epidemiology and Infection 146, no. 12 (2018): 1519–25. http://dx.doi.org/10.1017/s0950268818001085.

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AbstractTwo fatal drumming-related inhalational anthrax incidents occurred in 2006 and 2008 in the UK. One individual was a drum maker and drummer from the Scottish Borders, most likely infected whilst playing a goat-skin drum contaminated with Bacillus anthracis spores; the second, a drummer and drum maker from East London, likely became infected whilst working with contaminated animal hides.We have collated epidemiological and environmental data from these incidents and reviewed them alongside three similar contemporaneous incidents in the USA. Sampling operations recovered the causative age

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23

Gao, Aimin, and Xiaobo Cui. "Active Disturbance Rejection Control Design with Sensitivity Constraint for Drum Water Level." Energies 17, no. 6 (2024): 1438. http://dx.doi.org/10.3390/en17061438.

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The drum water level plays a crucial role in the safety and economy of heat recovery boilers. However, the control of the drum water level faces many challenges, such as external disturbances and system uncertainties. To enhance the control performance of the drum water level, a modified active disturbance rejection control (MADRC) optimized with sensitivity constraint is proposed in this paper. Firstly, the control structure of the three-element control system for the drum water level is introduced and analyzed. Based on the regular active disturbance rejection control (ADRC) structure, the s

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24

Kumaran, A. Amarnath. "Three Element Boiler Drum Level Control using Cascade Controller." International Journal for Research in Applied Science and Engineering Technology 6, no. 3 (2018): 2835–39. http://dx.doi.org/10.22214/ijraset.2018.3623.

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25

D, Sundarasekaran, and Gomathy C. "COMPENSATION METHOD IN BOILER DRUM LEVEL MEASUREMENT AND CONTROL." International Journal on Intelligent Electronic Systems 4, no. 2 (2010): 56–61. http://dx.doi.org/10.18000/ijies.30079.

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26

Pavithra, J., T. Kalavathi Devi, and R. Mouleeshuwarapprabu. "Design Of PID Controller For Boiler Drum Level Control." i-manager's Journal on Digital Signal Processing 1, no. 4 (2013): 14–18. http://dx.doi.org/10.26634/jdp.1.4.2596.

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27

Wescott, James, Robert Nelson, Arun Wagh, and Dileep Singh. "Low-Level and Mixed Radioactive Waste In-Drum Solidification." Practice Periodical of Hazardous, Toxic, and Radioactive Waste Management 2, no. 1 (1998): 4–7. http://dx.doi.org/10.1061/(asce)1090-025x(1998)2:1(4).

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28

Xu, Min, Shaoyuan Li, and Wenjian Cai. "Cascade generalized predictive control strategy for boiler drum level." ISA Transactions 44, no. 3 (2005): 399–411. http://dx.doi.org/10.1016/s0019-0578(07)60212-2.

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29

Isomura, Shuichi. "Application of parallel Learning to Boiler Drum Level Control." Transactions of the Japan Society of Mechanical Engineers Series C 60, no. 573 (1994): 1692–98. http://dx.doi.org/10.1299/kikaic.60.1692.

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30

Rusli, Rusli, Aidi Finawan, and Riska Yunda. "Penerapan Pengendalian Level Liquid Pada Knock Out Flare Stack B-501 Di Pertamina Hulu Energi NSB." Jurnal Infomedia 6, no. 1 (2021): 45. http://dx.doi.org/10.30811/jim.v6i1.2541.

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Abstrak- PT Pertamina Hulu Energi NSB dalam kegiatan produksinya banyak menggunakan peralatan-peralatan instrument dan lain-lain. Peralatan tersebut memegang peranan yang sangat penting guna untuk mendukung proses pengendalian. Salah satu pengendalian yang dilakukan pada PT PHE NSB adalah pengendalian level liquid pada knock out drum flare stack area. Knock out drum flare stack merupakan tangki yang menggunakan prinsip kerja gaya gravitasi. Ketinggian level yang ada pada tangki tersebut harus dijaga kestabilannya sesuai dengan setpoint yaitu 25%. Apabila liquid yang ada pada tangki melebihi da

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31

Gaikwad, Avinash J., P. K. Vijayan, S. Bhartiya, R. Kumar, H. G. Lele, and K. K. Vaze. "Selection of Steam Drum Level Control Method for Multiple Drum Interacting Loops Pressure Tube-Type BWR." IEEE Transactions on Nuclear Science 58, no. 2 (2011): 479–89. http://dx.doi.org/10.1109/tns.2011.2108666.

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32

Q., Toshmirzayev, Durdona Tursunbayeva, and Farangiz Tursunova. "IMPROVING THE SHOVELS OF THE DRUM DRYER OF THE COTTON PROCESSING PLANT TO INCREASE THE VIBRATION LEVEL OF COTTON." Journal of Science-Innovative Research in Uzbekistan 2, no. 12 (2024): 246–50. https://doi.org/10.5281/zenodo.14450679.

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In the article, instead of the shovels in the inner part of the drum, concave-shaped shovels were installed, and in the middle of the concave-shaped shovels, 150 mm high, 18 mm diameter stakes made of wire (prut) were installed. As a result, it is possible to throw the cotton into the useless zone of the inner chamber of the drying drum, and to dry the seeded cotton evenly over the entire surface of the drum. Throwing the cotton in the useless zone and ripping it, in turn, allows accelerating the release of moisture in the seeded cotton and makes it possible to efficiently use the heat of the

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33

H., E. Turdiyev, and Hilola Kharimjon qizi Akmolidinova. "2SB-10 MODEL DRUM DRYER IMPROVEMENT OF THE PADDLES IN ORDER TO INCREASE THE LEVEL OF COTTON DRYING." JOURNAL OF SCIENCE-INNOVATIVE RESEARCH IN UZBEKISTAN 2, no. 2 (2024): 503–7. https://doi.org/10.5281/zenodo.10705064.

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In the article, instead of shovels in the inner part of the drum, concave-shaped shovels were installed, and in the middle of the concave-shaped shovels, stakes made of wire (prut) with a height of 150 mm and a diameter of 18 mm were installed. As a result, it is possible to throw the cotton into the useless zone of the inner chamber of the drying drum, and to dry the seeded cotton evenly over the entire surface of the drum. Throwing the cotton in the useless zone and ripping it, in turn, allows to accelerate the release of moisture in the seeded cotton and makes&

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34

Ramesh, Ananthapadmanabhan, Aditya Rangamani, and Sriram Sundar. "Influence of contact parameters on the radiated noise from an automotive drum brake." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 265, no. 6 (2023): 1173–78. http://dx.doi.org/10.3397/in_2022_0161.

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Drum brakes are the major source of noise and vibrations in the automobile as the drum acts as a significant source of the noise. High-frequency noises are generated at the interfacial contact between the brake shoe and brake drum. Hence, the variation in the contact parameters (friction, contact stiffness, and contact damping) will significantly affect the vibro-acoustic noise emanating from the drum brake. The current work quantifies the variation in vibro-acoustic noise due to an asymmetry in the contact of leading and trailing shoes with the drum. The overall sound pressure level is estima

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35

Wang, Peng, Qi Dan Zhu, Hai Tao Xie, and Guo Lei Zhang. "The Study of Level Control Strategy for Supercharged Boiler Drum Based on Fuzzy Control." Applied Mechanics and Materials 687-691 (November 2014): 216–19. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.216.

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The supercharged boiler drum level as the controlled object, a high-precision simulation model was established considering the impacts of the distribution of the metal wall condensation inside the drum on the water level changes. Based on simulation model, a simulation program for pressurized boiler was prepared. The simulation results show that the performance of the state fuzzy controller is better than the PID controller.

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36

V. X. Sehgal and M. Arora. "Development of a Farm Level Vegetable Washing Machine." Journal of Agricultural Engineering (India) 43, no. 4 (2006): 75–78. http://dx.doi.org/10.52151/jae2006434.1221.

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Washing is the first essential primary process unit operation for value addition of vegetables at farm level as well as for processing. A stainless steel, portable, electric power (1 hp) operated vegetable washing machine was developed. The inner rotary drum of the washer is made of stainless steel with 1.5 mm thickness, 760 mm length and 620 mm diameter. The machine is provided with a timer and an electronic device to regulate precisely the rotational speed of the drum up to 60 rpm. The performance of the washing machine was evaluated in terms of capacity, bruising percentage and washing effi

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37

Van Dyck, Edith, Dirk Moelants, Michiel Demey, Alexander Deweppe, Pieter Coussement, and Marc Leman. "The Impact of the Bass Drum on Human Dance Movement." Music Perception 30, no. 4 (2012): 349–59. http://dx.doi.org/10.1525/mp.2013.30.4.349.

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The present study aims to gain better insight into the connection between music and dance by examining the dynamic effects of the bass drum on a dancing audience in a club-like environment. One hundred adult participants moved freely in groups of five to a musical sequence that comprised six songs. Each song consisted of one section that was repeated three times, each time with a different sound pressure level of the bass drum. Hip and head movements were recorded using motion capture and motion sensing. The study demonstrates that people modify their bodily behavior according to the dynamic l

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38

Liu, Yun Jing, and Feng Wen Wang. "The Application of Three Impulse Cascade in Drum Water Level Control System." Advanced Materials Research 485 (February 2012): 123–26. http://dx.doi.org/10.4028/www.scientific.net/amr.485.123.

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Steam boiler supplies steam of certain quality in industry process according to the changes of load. It is important of most power plants and has been concerned with analyzing power system dynamics in various works. Drum water level is one of the main processes in the boiler. Because of the phenomenon of false water level, three measurement signals including drum water level, water supply flow and steam flow are introduced. In this paper three impulses Cascade control system with fuzzy PID control is presented, and simulation is performed based on MATLAB.

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39

Zhou, Kun Lin, and Rong Sheng Guo. "Fault Diagnosis for Level Control System Based on SPC." Applied Mechanics and Materials 740 (March 2015): 303–6. http://dx.doi.org/10.4028/www.scientific.net/amm.740.303.

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In view of the appearance of instability and malfunction problem for level control system in the steam drum of boiler, a new method to use statistical process control (SPC) was proposed, which analyzed the level data by the SPC. It can extract the main features of the level variable, and set up the upper and lower monitoring limits for the level control system in the steam drum of boiler. The decision-making basis for the operator can be provided by monitoring control accuracy of the level control system. With this method, it can improve the control accuracy of the level variable and provide t

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40

Wu, Zhi Tao, and Wei Juan Guan. "Three-Dimensional Parametric Modeling and Finite Element Analysis of Drum on Belt Conveyer." Applied Mechanics and Materials 319 (May 2013): 474–76. http://dx.doi.org/10.4028/www.scientific.net/amm.319.474.

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The paper achieved the 3D parameterized model of the drum with VB programming in Solid Works CAD software environment, and completed the finite element stress and strain analysis for the drum structure with ANSYS finite element analysis software. The force and deformation of the driving drum was basically mastered. A full process from 3D parameterized model to structural analysis for the drum was implemented in this paper. It highly improved the drum design level and efficiency.

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41

Primadewi, Novi, Putu Wijaya Kandhi, and Zahroh Zuliana Azizah. "Hubungan antara lama paparan bising terhadap gangguan pendengaran pada instruktur drum." Oto Rhino Laryngologica Indonesiana 48, no. 2 (2019): 134. http://dx.doi.org/10.32637/orli.v48i2.275.

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Latar belakang: Alat musik drum merupakan alat musik yang memiliki nilai kebisingan. Instruktur drum dapat terpapar bising yang tinggi, sehingga dapat mengalami gangguan pendengaran. Tujuan: Mengetahui hubungan antara lama paparan bising terhadap gangguan pendengaran pada instruktur drum di Surakarta dan sekitarnya. Metode: Jenis penelitian yang digunakan adalah obervasional non experimental dengan desain cross sectional pada 71 instruktur drum di 14 sekolah musik di Surakarta. Sampel berupa hasil pemeriksaan audiometri nada murni yang dilaksanakan di studio musik kedap suara dengan NAB kurang

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Mortensen, Nicolai B., Jay A. Johnson, and Alexander J. Shturmakov. "Precision cable winch level wind for deep ice-coring systems." Annals of Glaciology 55, no. 68 (2014): 99–104. http://dx.doi.org/10.3189/2014aog68a013.

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AbstractIn deep ice-coring, as in many other disciplines, a winching system is involved in the overall operation of the drilling activities. The need to efficiently store the cable on the winch drum is well recognized, and the ‘orthocyclically wound’ approach is often used. This is accomplished by means of a ‘Lebus groove’, along with a level winding scheme of some description. The level wind is usually implemented in one of several ways using some mechanism to synchronize the position of the level wind with the point where the cable meets the winch drum. A novel method using a feedback contro

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Xin, Yuan Fang. "Design of Fuzzy PID Controller for Water Level of Boiler Steam Drum Based on DSP." Applied Mechanics and Materials 130-134 (October 2011): 3455–58. http://dx.doi.org/10.4028/www.scientific.net/amm.130-134.3455.

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A control system for water level of boiler steam drum based on DSP microprocessor is designed in this paper. The technique of fuzzy control was applied to controlling the water level of the steam drum, the operational principle and application of the fuzzy-PID arithmetic are described. The water level controller with good control effect is developed. Firstly the hardware structure of system is introduced in the paper and then investigates the fuzzy-PID arithmetic carry out, and finally, the simplified program flowchart are given.

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Hemalatha, Bakthavatchalam, and Asokan Juliet. "ANFIS Controller for Water Level Control of a Boiler Drum." International Journal of Intelligent Engineering and Systems 9, no. 4 (2016): 1–10. http://dx.doi.org/10.22266/ijies2016.1231.01.

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Pawlak, Mariusz. "Performance Analysis of Power Boiler Drum Water Level Control Systems." Acta Energetica 4, no. 29 (2016): 81–89. http://dx.doi.org/10.12736/issn.2300-3022.2016407.

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Salsabila, Salsabila, Zurohaina Zurohaina, and Tahdid Tahdid. "Thermal Efficiency of Water Tube Boiler Reviewed from the Effect of Air Fuel Ratio and Water Level Control on Superheated Steam Production." Jurnal Penelitian Sains 26, no. 3 (2024): 366. https://doi.org/10.56064/jps.v26i3.1075.

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The Cross Section Double Drum Water Tube Boiler is a closed vessel designed to produce steam. This boiler has two main components: the combustion chamber, which serves as the place for fuel combustion, and the steam drum, where the phase change occurs, turning water into steam. The Cross Section Double Drum Water Tube is characterized by tubes arranged transversely to the drum with a 65° incline, aiming to expand the heat transfer area. This study was conducted to determine the effect of the air-to-fuel ratio (17, 19, 21, 23, 25) and water level (20%, 30%, 40%, 50%, 60%) on thermal efficiency.

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Stasevych, Ryshard, Vasyl Zberovskyi, Ruslan Ahaiev, Yevhen Tyshchenko, Roman Savochenko, and Dmytro Yelatontsev. "Study of modes and parameters of mineral raw material grinding process in ball drum mills." Geo-Technical Mechanics, no. 167 (2023): 13–24. http://dx.doi.org/10.15407/geotm2023.167.013.

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The paper presents the results of research on the vibration-acceleration signal of the ball mill drum bearing support depending on its load when grinding mineral raw materials. Investigations of vibration sensor readings, installed on the bearing support of the mill drum, and amplitudes of the vibration-acceleration signal from the volumetric filling of the installation drum have been carried out. The dependences of vibro-acceleration signal amplitudes on the frequency spectrum of Fourier series at different volumetric filling of the mill drum in the interval of loads from 0 t/h to 18 t/h are

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Maghsoudi, Mohammad, Ebrahim Salarizadeh, and Malihe Maghfoori. "Nonlinear Modelling of Kerman Combined Cycle Power Plant Drum-Boiler and Drum Level control especially in trip conditions." Journal of Control 13, no. 4 (2020): 37–48. http://dx.doi.org/10.29252/joc.13.4.37.

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Teoh, Choe-Yung, and Zaidi MohdRipin. "Dither effect on drum brake squeal." Journal of Vibration and Control 23, no. 7 (2016): 1057–72. http://dx.doi.org/10.1177/1077546315597117.

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This paper describes the dither control system used for suppressing drum brake squeal. The dither force is generated by a piezoceramic actuator installed on the back plate of a drum brake system and successfully quenches the drum brake squeal to background noise level above the critical dither actuation level. The dither is represented as a forcing function in sine waveform in a bi-axial two degrees of freedom mathematical model of drum brake squeal. The model parameters are based on the complex eigenvalue obtained from the mobility measurement and verified with the measured frequency response

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Zhao, Yan Yan, Qing Jin Meng, and Zhao Liu. "A Study on Double-Stage Fuzzy Control of Drum Level in Waste Heat Boiler." Advanced Materials Research 383-390 (November 2011): 4329–35. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.4329.

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The waste heat boiler is an important part of waste heat power station in cement plant. So it is highly important to control the drum level of waste heat boiler within the allowed range. A Double-Stage fuzzy controller which is used to control the drum level of the waste heat boiler is presented in this paper. This method adds a secondary fuzzy controller to adjust the weight of the first fuzzy controller’s factor on the basis of a general fuzzy controller. Simulation results show that the double-stage fuzzy control system has fast respond speed, high precision and strong anti-jamming capabili

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