Relevant bibliographies by topics / Compressores BLDC

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers
  4. Reports

Academic literature on the topic 'Compressores BLDC'

Author: Grafiati
Published: 4 June 2021
Last updated: 9 February 2022

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Journal articles on the topic "Compressores BLDC"

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Zhong, Mei Peng. "Parameter Optimization of Compressor Based on an Ant Colony Optimization." Applied Mechanics and Materials 201-202 (October 2012): 916–19. http://dx.doi.org/10.4028/www.scientific.net/amm.201-202.916.

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A mathematical model of operation on air compressors is set up in order to improve the efficiency of air compressors. Parameter of Compressor is optimized by an Ant Colony Optimization (ACO) Particle approach. Volume and its weight of the new compressor are little, and its efficiency is high. An Ant Colony Optimization embed BLDCM module which optimizating the air compressor was put forward. Optimizated target of an Ant Colony Optimization is the efficiency of BLDCM. Optimizated variables are the diameter of low pressure cylinder, the diameter of high pressure cylinder, the journey of low pressure piston, the journey of high pressure piston and the rotate speed of BLDCM. Simulated result shows that the efficiency of BLDCM is more than that before optimizating. The test is done. The result shows that the specifc Power of air compressor is much less than before optimizating on 2.5Mpa. The result also shows that an Ant Colony Optimization which optimizating the air compressor is availability and practicality.
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KIM, Minkyu, Byoungha Ahn, and Simwon Chin. "Parameter study of Variation noise in outdoor of air conditioner." INTER-NOISE and NOISE-CON Congress and Conference Proceedings 263, no. 4 (August 1, 2021): 2822–29. http://dx.doi.org/10.3397/in-2021-2238.

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In the outdoor unit of a room air conditioner, the main factors that made it possible to vary the ability of cooling and heating are the development of BLDC motors, advances in inverter technology, and the development of refrigerant volume control technology. The main reason for this change in cooling and heating capacity is that it is possible to change the RPS of compressors. As the range of the compressor's RPS expands, so does the range of response to load variations. This is mainly based on the capacity of the high-pressure refrigerant produced by the compressor. When the compressor rotates at high speed or low speed, the difference in noise occurs depending on the difference in rotational speed. Of course, fans and motors also contribute to noise fluctuations, but the overall governing factor is the greater contribution of refrigerant from compressors and compressors. The refrigerant flows into the cycle configured in the outdoor unit and varies in speed and flow rate depending on the amount of refrigerant. This results in vibration and noise appearing in the form of radiations, resonances, solid sounds, resonances, and so on. There are several factors that can cause vibration or noise changes depending on the flow velocity and flow rate. In this paper, we selected reactance of compressor motors, mufflers directly connected to compressor discharge ports and accumulator at compressor inlet where fluid vibrations occur the most. First of all, reactance of motor responds quickly to load fluctuations and has a large instantaneous torque to instantaneous load fluctuations. The muffler, which is directly connected to the compressor discharge port, is the first Cavity where high-pressure gas meets, and can evaluate the concentration of kinetic energy that generates noise and improve the collection center to reduce fluctuating noise. The Accumulator is the part with the lowest temperature of refrigerant gas entering the compressor, and the rapid change in the flow path causes the most fluid to generate vibration and radiation of the structure. For this reason, we select three elements first. In this paper, we specifically describe the background of selecting three elements of an air conditioning outdoor unit for the variability of noise over RPS changes. We demonstrate that these factors can review the feasibility of the experiment, explain the results of the analysis, and possibility of reduce the variation noise.
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Wang, Li Huo, Wei Yao, and Wei Zhang. "A Fridge Compressor Control System Based on MC56F8013." Advanced Materials Research 383-390 (November 2011): 6019–24. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.6019.

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This paper describes Freescale company’s DSP device MC56F8013 implementation of a fridge compressor control system about BLDC motors without position sensors, which includes motor starting and back EMF running. The motor start-up detects the variation of rotor position according to inductance of stator core. Then when the rotor is accelerated to a certain speed, EMF mode is switched. The EMF mode estimates the rotor position by back EMF zero-crossing detection method. The experiment results prove that the proposed system based on MC56F8013 can work normally and efficiently, and guarantee the demand of domestic refrigerator.
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Lee, Kwang-Woon, Jongman Hong, Sang Bin Lee, and Sangtaek Lee. "Quality Assurance Testing for Magnetization Quality Assessment of BLDC Motors Used in Compressors." IEEE Transactions on Industry Applications 46, no. 6 (November 2010): 2452–58. http://dx.doi.org/10.1109/tia.2010.2075732.

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You, Yong-Min, Dae-Kyong Kim, and Byung-Il Kwon. "A rotor design of a BLDC motor used for reciprocating compressor considering demagnetization." International Journal of Applied Electromagnetics and Mechanics 33, no. 1-2 (October 8, 2010): 689–95. http://dx.doi.org/10.3233/jae-2010-1174.

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Kim, In-Gun, Hyun-Seok Hong, Sung-Chul Go, Ye-Jun Oh, Kyoung-Jin Joo, and Ju Lee. "A Study on the Stable Sensorless Control of BLDC Motor Inside Auxiliary Air Compressor." Journal of Electrical Engineering and Technology 12, no. 1 (January 2, 2017): 466–71. http://dx.doi.org/10.5370/jeet.2017.12.1.466.

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Lee, Kwang-Woon, Dae-Kyong Kim, Byung-Taek Kim, and Byung-Il Kwon. "A Novel Starting Method of the Surface Permanent-Magnet BLDC Motors Without Position Sensor for Reciprocating Compressor." IEEE Transactions on Industry Applications 44, no. 1 (2008): 85–92. http://dx.doi.org/10.1109/tia.2007.912734.

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Nasruddin, Nasruddin, and Hotdian Sinambela. "Design and Experimental Study of Air Conditioning System using Brushless Direct Current (BLDC) Compressor in National Electric Car." International Journal of Technology 6, no. 6 (December 30, 2015): 954. http://dx.doi.org/10.14716/ijtech.v6i6.1896.

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Kim, In-Gun, Hyun-Seok Hong, and Ju Lee. "A Study on the Control to Compensate Position Sensor Error of the BLDC Motor in an Auxiliary Air Compressor." Transactions of The Korean Institute of Electrical Engineers 64, no. 11 (November 1, 2015): 1639–44. http://dx.doi.org/10.5370/kiee.2015.64.11.1639.

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Nazaruddin, Nazaruddin, Danardono A. Sumarsono, Mohammad Adhitya, Ghany Heryana, Rolan Siregar, Sonki Prasetya, and Fuad Zainuri. "Development of alternative steering models for ev bus: a preliminary study on the conversion of hydraulic to electric power steering." Eastern-European Journal of Enterprise Technologies 3, no. 1 (111) (June 10, 2021): 37–46. http://dx.doi.org/10.15587/1729-4061.2021.227329.

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This study aims to develop alternative steering models for the EV bus. The EV bus uses its energy source from the main 384 VDC 300 Ah battery and the secondary battery with a capacity of 25.8 VDC 100 Ah. The use of energy in this electric bus is divided into the main components, namely the BLDC motor as the main drive of 200 kW, 15 kW of air conditioning, 7.5 kW of hydraulic power steering, a compressor for the air braking system of 4 kW, and accessory components. The other is 2.4 kW. It is expected that this 7.5 kW electric power can be reduced by an electric system by up to 20 %. This research will study the steering system with an electric power system (EPS) to convert the hydraulic steering system (HPS). With this EPS system, it is hoped that controlling the vehicle’s motion towards the steer by wire will be easier. Initially, data were collected from the types of large vehicles from various well-known brands about the steering system used. A large commercial vehicle that purely uses EPS is not yet found. The model developed for EPS on this electric bus is through the reverse engineering method by redrawing all the components involved in the previous steering system. Because this type of EV bus is included in the upper mid-size class, this paper proposes two new EPS models, namely the addition of an assist motor on the drag link and on the steering rack. The links involved in this system are wheel drive, steering column, lower steering column, rack and pinion gear, assist motor, drop link, drag link, drop link extension, drag link extension, tie rod, knuckle, kingpin, tire, axle beam and several others. The values of stiffness, inertia, and damping of each link will affect the driver’s torque and the assist motor as a wheel speed function on this electric bus. The steering structure of the EV bus consists of a truss structure and a frame structure with a kinematic structure consisting of two four-bar linkages joined together
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Dissertations / Theses on the topic "Compressores BLDC"

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Gonella, Mário Celso. "Acionamento e controle sensorless para motores brushless DC aplicados a compressores herméticos para refrigeração doméstica." Universidade de São Paulo, 2006. http://www.teses.usp.br/teses/disponiveis/18/18153/tde-24102006-212123/.

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O objetivo deste trabalho é desenvolver a simulação de um sistema de controle de velocidade para compressores herméticos domésticos utilizando motores brushless DC controlados por uma estratégia do tipo sensorless. O ponto central é o desenvolvimento da simulação global de controle a partir de um modelo adequado do motor BLDC com base no programa Matlab/Simulink. São abordadas algumas estratégias de controle sensorless além de alguns métodos de partida para este tipo de máquina. As estratégias de controle e partida propostas para o trabalho são analisadas detalhadamente e simuladas através do Matlab em ambiente Simulink utilizando as ferramentas do power system blockset (PSB). Os resultados destas simulações são apresentados e discutidos no final deste trabalho.
The aim of this work is to develop the simulation of a speed control system for household hermetic compressors using brushless DC motors controlled by a sensorless strategy. The main point of the work is the development of the control global simulation from a suitable BLDC motor model based on Matlab/Simulink program. Some sensorless control strategies and even some starting methods for this type of machine are approached. The control and starting strategies proposed for this work are analyzed in detail and simulated by Matlab in Simulink program using power system blockset (PSB) tools. The simulation results are presented and discussed at the end of this work.
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Baratieri, Cassio Luciano. "Controle de velocidade sensorless de motores brushless DC submetidos a variações periódicas de carga." Universidade Federal de Santa Maria, 2011. http://repositorio.ufsm.br/handle/1/8493.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
This master thesis presents a sensorless speed control drive of Brushless DC motors used in reciprocating compressors. These compressors cause periodic load torque variations on the motor, consequently mechanical vibrations and acoustic noise are presented as well. As a result, a discrete speed controller based on the internal model principle is proposed. This controller aims to track the speed reference and to reduce the periodic torque disturbances caused by the compressor. The proposed controller consists of a rotor position and speed estimator, and a discrete speed controller with variable sampling frequency that depend on the rotor speed. The discrete estimator is based on the zero crossing point detection of the back-electromotive force. This method is optimized by using a Least Squares algorithm. The speed controller consists of two control actions, repetitive and proportional-derivative actions. In order to complement the drive system operation, a new procedure to start a BLDCM with current control is proposed. This technique ensures the maximization of the electromagnetic torque during startup and to avoid demagnetization of the permanent magnet by the stator current. Finally, simulation and experimental results are presented to demonstrate the performance of the techniques adopted, as well as the main advantages, disadvantages and operational limitations of the experimental implementation. In addition, the performance of the load torque rejection is evaluated by comparing the harmonic spectrum of the torques produced by the proposed speed controller and a PI controller.
Esta dissertação apresenta um sistema de acionamento e controle de velocidade sensorless para motores Brushless DC utilizados em compressores alternativos. Estes compressores provocam variações periódicas de carga sobre o motor causando vibrações mecânicas e ruído acústico. Em vista disso, um controlador discreto de velocidade baseado no princípio do modelo interno é proposto. Este controlador visa o rastreamento assintótico de uma velocidade de referência e a redução dos distúrbios cíclicos de conjugado provocados pelo compressor. Para isso, o sistema proposto é constituído por um estimador discreto da posição e da velocidade do rotor, e um controlador discreto de velocidade com frequência de amostragem variável em função da velocidade de rotação. O estimador discreto baseia-se na deteção do cruzamento da força contra-eletromotriz por zero, a qual é otimizada por meio de um algoritmo de Mínimos Quadrados. O controlador de velocidade é composto por duas ações de controle, uma ação repetitiva e uma proporcionalderivativa. De forma a complementar a operação do sistema de acionamento, um novo procedimento de partida com controle de corrente é proposto para o BLDCM. Este procedimento possibilita a maximização do conjugado eletromagnético do motor durante a partida e ainda evita a desmagnetização dos ímãs pela incidência de altas correntes estatóricas. Por fim, resultados de simulação e experimentais são apresentados para demonstrar o desempenho das técnicas adotadas, assim como as principais vantagens, desvantagens e limitações operacionais da implementação experimental. Além disso, a performance da rejeição parcial do conjugado de carga é avaliada com a comparação do espectro harmônico dos conjugados produzidos pelo controlador de velocidade proposto e por um controlador proporcional-integral.
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Conference papers on the topic "Compressores BLDC"

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Kang Geon Il, Han Man Seung, Yang Seung Hak, and Lim Young Cheol. "The study on BLDC motor compressor using SMC." In 2009 IEEE 6th International Power Electronics and Motion Control Conference. IEEE, 2009. http://dx.doi.org/10.1109/ipemc.2009.5157712.

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Kim, Dae-kyong, Duck-shik Shin, Sang-Taek Lee, Hee-Jun Kim, Byung-Il Kwon, Byung-Taek Kim, and Kwang-Woon Lee. "Novel position sensorless starting method of BLDC motor for reciprocating compressor." In INTELEC 2009 - 2009 International Telecommunications Energy Conference. IEEE, 2009. http://dx.doi.org/10.1109/intlec.2009.5351997.

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Lee, Kwangwoon, Jongman Hong, Sang Bin Lee, and Sangtaek Lee. "Quality Assurance Testing for Magnetization Quality Assessment of BLDC Motors used in Compressors." In 2009 IEEE Industry Applications Society Annual Meeting. IEEE, 2009. http://dx.doi.org/10.1109/ias.2009.5324825.

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Kim, Dae-Kyong, Se-Hyun Rhyu, Kwang-Woon Lee, Byung-Taek Kim, Dong-Hwa Chung, and Byung-Il Kwon. "Comparison of Starting Method for Position Sensorless BLDC Motor Driven Reciprocating Compressor." In 2008 IEEE Industry Applications Society Annual Meeting (IAS). IEEE, 2008. http://dx.doi.org/10.1109/08ias.2008.17.

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Kim, Dae-kyong, Kwang-woon Lee, Byung-taek Kim, and Byung-il Kwon. "A Novel Starting Method of the SPM-type BLDC Motors without Position Sensor for Reciprocating Compressor." In Conference Record of the 2006 IEEE Industry Applications Conference Forty-First IAS Annual Meeting. IEEE, 2006. http://dx.doi.org/10.1109/ias.2006.256626.

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Reports on the topic "Compressores BLDC"

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Desantis, G. N. Operational test procedure for Bldg 241-A-701 air compressor. Office of Scientific and Technical Information (OSTI), February 1995. http://dx.doi.org/10.2172/10119469.

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