Relevant bibliographies by topics / Switch hysteresis control

Academic literature on the topic 'Switch hysteresis control'

Author: Grafiati
Published: 10 December 2022
Last updated: 28 January 2023

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Journal articles on the topic "Switch hysteresis control"

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Dawande, M. S., V. R. Kanetkar, and G. K. Dubey. "Three-phase switch mode rectifier with hysteresis current control." IEEE Transactions on Power Electronics 11, no. 3 (May 1996): 466–71. http://dx.doi.org/10.1109/63.491640.

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Li, Guohua, Liangjun Wang, and Feng Li. "Single-Phase Voltage Source Multi-Level Inverter Hysteresis SVPWM Reconfigurable Fault-Tolerant Control Method." Energies 15, no. 7 (March 31, 2022): 2557. http://dx.doi.org/10.3390/en15072557.

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A hysteresis space vector pulse width modulation (SVPWM) reconfigurable fault-tolerant method for single-phase voltage source multi-level inverter with current tracking is proposed. Firstly, the influence of single switch open circuit fault and double switches open circuit fault on the voltage vector of the inverter is analyzed, and on this basis, the equivalent replacement of the voltage vector is obtained by using the topology reconstruction of the inverter, and the redundant voltage vectors with overlapping positions are preferred for equivalent replacement. If there are no coincident non-fault vectors, the other non-fault vectors with the closest position and effect are selected. The fault-tolerant method does not need the switching operation between the main power switching device and spare power switching device of the inverter, and can directly control the on–off process of the inverter reconfiguration unit through the driving signal of insulated gate bipolar translator (IGBT), which is simple and stable. Under the conditions of single switch open circuit and most double switches open circuit, the output current of the inverter can accurately track the reference current.
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Bolbolnia, Rouhollah, Karim Abbaszadeh, and Mojtaba Nasiri. "Diagnosis and Fault-Tolerant Control of Six-Phase Wind Turbine under Multiple Open-Switch Faults." Mathematical Problems in Engineering 2021 (October 7, 2021): 1–16. http://dx.doi.org/10.1155/2021/9999918.

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A new open-switch fault diagnosis method is proposed in this paper for the six-phase AC-DC converter based on the difference between the phase current and the corresponding reference using an adaptive threshold. The single and multiple open-switch faults are detected without any additional equipment and complicated calculations since the proposed fault detection method is integrated with the hysteresis controller. The proposed fault-tolerant technique reduces the value of overcurrent and total harmonic distortion on the side phases of the faulty one, by changing the switching signal of one switch in its opposite phase in some regions. This technique is performed without adding any legs, switches, or triode for alternating currents to the circuit. Finally, the proposed fault-tolerant technique is evaluated by MATLAB simulation and the results show its effectiveness.
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Gulnizkij, Nikolai, and Gerald Gerlach. "Bistable Threshold Humidity Sensor Switch with Rectangular Bimorph Bending Plate." Micromachines 11, no. 6 (June 3, 2020): 569. http://dx.doi.org/10.3390/mi11060569.

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Energy-autonomous bistable threshold sensor switches have the potential to reduce costs because they do not need any electrical energy supply for monitoring physical quantities, such as relative humidity. In previous work, a bistable beam-like sensor switch with switching hysteresis was manufactured from sheet metal and a partially coated water vapor-sensitive hydrogel (poly(vinyl alcohol)/poly(acryl acid)). Based on the beam theory, a corresponding mechanical model was developed. However, bending plates should be used instead of bending beams to separate the humidity to be measured from the electrical contacts. For this reason, this work deals with the development and realization of a mechanical model based on the plate theory to describe the deflection of a silicon bimorph bending plate partially coated with hydrogel that swells with increasing humidity. For implementing a switching hysteresis a plasma-enhanced chemical vapor deposition silicon dioxide (SiO2) layer is used, which was deposited and structured on top of the silicon plate. The hydrogel layer itself is patterned on the surface of the bending plate using a stamp technique. To validate the mechanical model, the switching hysteresis of the miniaturized sensor switch was measured optically by a camera measurement device.
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Yao, Zhilei, and Lan Xiao. "Two-Switch Dual-Buck Grid-Connected Inverter With Hysteresis Current Control." IEEE Transactions on Power Electronics 27, no. 7 (July 2012): 3310–18. http://dx.doi.org/10.1109/tpel.2011.2179318.

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BOONLONG, KITTIPONG, NACHOL CHAIYARATANA, and SUWAT KUNTANAPREEDA. "OPTIMAL CONTROL OF A HYSTERESIS SYSTEM BY MEANS OF CO-OPERATIVE CO-EVOLUTION." International Journal of Computational Intelligence and Applications 04, no. 04 (December 2004): 321–36. http://dx.doi.org/10.1142/s1469026804001367.

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This paper presents the use of a co-operative co-evolutionary genetic algorithm (CCGA) for solving optimal control problems in a hysteresis system. The hysteresis system is a hybrid control system which can be described by a continuous multivalued state-space representation that can switch between two possible discrete modes. The problems investigated cover the optimal control of the hysteresis system with fixed and free final state/time requirements. With the use of the Pontryagin maximum principle, the optimal control problems can be formulated as optimisation problems. In this case, the decision variables consist of the value of control signal when a switch between discrete modes occurs while the objective value is calculated from an energy cost function. The simulation results indicate that the use of the CCGA is proven to be highly efficient in terms of the minimal energy cost obtained in comparison to the results given by the searches using a standard genetic algorithm and a dynamic programming technique. This helps to confirm that the CCGA can handle complex optimal control problems by exploiting a co-evolutionary effect in an efficient manner.
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Al Quraan, Laith, Laszlo Szamel, and Mahmoud Hamouda. "Optimum Switching Angles Control of SRM for Electric Vehicle Applications." Periodica Polytechnica Electrical Engineering and Computer Science 65, no. 4 (October 29, 2021): 394–403. http://dx.doi.org/10.3311/ppee.17640.

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Switched Reluctance Motor (SRM) drive is being gradually used in industrial applications, including electric vehicles (EVs), due to several advantages over conventional motors. However, the nonlinear magnetic characteristics of the motor make its controller very complicated. This paper presents a simplified procedure to obtain the optimal switching angles under hysteresis current control SRM drive over a wide range of speeds. A multi-objective optimization technique is applied to determine the optimal switch on and switch off angles that achieve the optimum combination of maximum average torque with minimum torque ripple and copper loss. A searching algorithm is developed for each operating point to define the maximum average torque and the minimum torque ripple and copper losses, as they vary for different currents and motor speeds. Then the optimal values of switching angles are stored in the lookup tables to build a MATLAB model of the SRM drive system. Finally, simulation and experimental results are presented to show the validity and effectiveness of the proposed controller.
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Kärnell, Samuel, and Liselott Ericson. "Hysteresis Control in Pump-Controlled Systems—A Way to Reduce Mode-Switch Oscillations in Closed and Open Circuits." Energies 15, no. 2 (January 7, 2022): 424. http://dx.doi.org/10.3390/en15020424.

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There is growing interest in using electric motors as prime movers in mobile hydraulic systems. This increases the interest in so-called pump-controlled systems, where each actuator has its own drive unit. Such architectures are primarily appealing in applications where energy efficiency is important and electric recuperation is relevant. An issue with pump-controlled systems is, however, mode-switch oscillations which can appear when the pressure levels in the system are close to the switching condition. In this paper, the mode-switching behavior of different generalized closed and open circuit configurations is investigated. The results show that the choice of where to sense the pressures has a huge impact on the behavior. They also show that, if the pressure sensing components are properly placed, closed and open circuits can perform very similarly, but that mode-switch oscillations still can occur in all circuits. Active hysteresis control is suggested as a solution and its effectiveness is analyzed. The outcome from the analysis shows that active hysteresis control can reduce the risk for mode-switch oscillations significantly.
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Oyarzún, Diego A., and Madalena Chaves. "Design of a bistable switch to control cellular uptake." Journal of The Royal Society Interface 12, no. 113 (December 2015): 20150618. http://dx.doi.org/10.1098/rsif.2015.0618.

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Bistable switches are widely used in synthetic biology to trigger cellular functions in response to environmental signals. All bistable switches developed so far, however, control the expression of target genes without access to other layers of the cellular machinery. Here, we propose a bistable switch to control the rate at which cells take up a metabolite from the environment. An uptake switch provides a new interface to command metabolic activity from the extracellular space and has great potential as a building block in more complex circuits that coordinate pathway activity across cell cultures, allocate metabolic tasks among different strains or require cell-to-cell communication with metabolic signals. Inspired by uptake systems found in nature, we propose to couple metabolite import and utilization with a genetic circuit under feedback regulation. Using mathematical models and analysis, we determined the circuit architectures that produce bistability and obtained their design space for bistability in terms of experimentally tuneable parameters. We found an activation–repression architecture to be the most robust switch because it displays bistability for the largest range of design parameters and requires little fine-tuning of the promoters' response curves. Our analytic results are based on on–off approximations of promoter activity and are in excellent qualitative agreement with simulations of more realistic models. With further analysis and simulation, we established conditions to maximize the parameter design space and to produce bimodal phenotypes via hysteresis and cell-to-cell variability. Our results highlight how mathematical analysis can drive the discovery of new circuits for synthetic biology, as the proposed circuit has all the hallmarks of a toggle switch and stands as a promising design to control metabolic phenotypes across cell cultures.
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SPIAZZI, G., P. MATTAVELLI, L. ROSSETTO, and L. MALESANI. "APPLICATION OF SLIDING MODE CONTROL TO SWITCH-MODE POWER SUPPLIES." Journal of Circuits, Systems and Computers 05, no. 03 (September 1995): 337–54. http://dx.doi.org/10.1142/s0218126695000217.

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Switch-mode power supplies represent a particular class of variable structure systems (VSS). Thus, they can take advantage of non-linear control techniques developed for this class of systems. In this paper the so called sliding mode control is reviewed and its application to switch-mode power supplies is discussed. Sliding mode control extends the properties of hysteresis control to multi-variable environments, resulting in stability even for large supply and load variations, good dynamic response and simple implementation. Application to dc–dc converters, as well as rectifiers and inverters, is analyzed and provisions to overcome the inherent drawbacks of sliding mode control, i.e. variable switching frequency and possible steady-state errors, are described. Experimental results are also reported, which allow a comparison between the sliding mode approach and other standard control techniques, e.g. current-mode control, showing its effectiveness.
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Dissertations / Theses on the topic "Switch hysteresis control"

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Masoud, Khalid Hasan. "Circuits and controls for grid-connected inverters." Thesis, Queensland University of Technology, 2002.

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Almeida, Lucas Alves de. "Estudo de técnicas de controle de máquinas de relutância chaveada para aplicações em sistemas de acionamentos com velocidade variável." Universidade Federal de Juiz de Fora (UFJF), 2018. https://repositorio.ufjf.br/jspui/handle/ufjf/6837.

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Sistemas eletromecânicos são de grande importância atualmente, e a procura por maior eficiência e desempenho aliados a um menor custo justificam a busca por alternativas tanto em topologia quanto no controle e acionamento de tais sistemas. A máquina de relutância chaveada é capaz de cumprir estes requisitos e tem despertado o interesse de pesquisadores e empresas nos últimos anos, emergindo como uma alternativa viável em diversas aplicações. Porém, esta máquina possui características singulares. Por conta de sua estrutura duplamente saliente, seu funcionamento correto depende da aplicação de pulsos de corrente por determinados intervalos de tempo, e na sequência correta, seus parâmetros são variáveis no tempo, apresentando um comportamento com características não-lineares. Tais particularidades fazem com que seja difícil controlar o torque destas máquinas, as quais possuem a tendência de apresentar altas oscilações durante a mudança da excitação de cada fase. Este trabalho tem por objetivo contribuir com o estudo da modelagem e do acionamento de uma máquina de relutância chaveada. É apresentada sua modelagem matemática e um modelo de simulação que leva em consideração as não linearidades existentes. Em seguida são apresentadas técnicas de controle de corrente que incluem um regulador de histerese, um controlador PI e um controlador por modos deslizantes. Também é utilizado um método capaz de determinar o momento em que cada fase deve ser acionada, baseado no ângulo do rotor, e uma técnica de variação dos ângulos de acionamento de maneira dinâmica, usados em conjunto com os controladores propostos. O trabalho também caracteriza e apresenta as funções de divisão de torque como uma maneira de reduzir drasticamente as oscilações de torque. São apresentadas as operações como motor e como gerador, bem como um exemplo de aplicação de modo a ilustrar ambos os modos de operação.
Electromechanical systems have a huge relevance nowadays, and seeking for improvements in efficiency and performance at the lowest cost make valid to identify topological and control alternatives of these systems. The switched reluctance machine is capable to fulfill such requirements and emerges as an interesting field of research. Academics and industrial works shows that it is a promising alternative in several applications. However, this machine presents unique characteristics, like the doubly salient structure, the necessity to apply phase currents in a sequence determined by the stator/rotor pole ratio, its time variantparameters,andthestrongnonlinearcharacteristics. Suchsingularitiesmaketorque control hard, as it tends to present high ripples and makes a lot of noise. This thesis aims to contribute on switched reluctance machine modeling and drive system. A mathematical model is presented, and also a simulation model that accounts for nonlinearities, making possible to simulate the machine accurately in a computational environment. A hysteresis regulator, a PI controller and a sliding mode controller are designed and simulated. An algorithm to determine when each phase should be excited based on rotor angle is used, and a technique to change such firing angles dynamically is developed that can be used along with current control methods presented. The work also defines and presents torque sharing functions as a way to greatly reduce torque ripple. Motor and generator operation are contemplated, and both modes are illustrated in an application example.
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Brasão, Leandro Cândido. "Acionamento do motor de corrente contínua a ímãs permanentes sem escovas utilizando estratégia a quatro chaves." Universidade Federal de Uberlândia, 2012. https://repositorio.ufu.br/handle/123456789/14497.

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Fundação de Amparo a Pesquisa do Estado de Minas Gerais
Permanent magnet motors possess high efficiency and can be commercially competitive. The main purpose of this paper is to describe a low cost four-switch brushless dc motor drive with compensated direct current controlled our compensated hysteresis strategy. The description of the mathematical model is used in the computational simulation models to four-switch and six-switch. These results are here compared in an experimental model of drive, where the six-switch PWM drive and hysteresis drive is compared to the four-switch hysteresis compensated drive and not compensated drive. The four-switch drive has the potential to reduce costs by reducing the number of switches in commercial, industrial and residential applications.
Motores a ímãs permanentes possuem alta eficiência e podem ser competitivos comercialmente em aplicações de potência fracionária. O trabalho apresenta uma estratégia de acionamento a quatro chaves para o motor de corrente contínua a ímãs permanentes sem escovas, com uma estratégia a baixo custo por meio do controle direto de corrente, ou controle por histerese compensado. A descrição do modelo matemático é utilizada em modelos de simulação computacionais a quatro e a seis chaves. Estes resultados são aqui comparados em um modelo experimental de acionamento, onde o acionamento a seis chaves por PWM e histerese é comparado à estratégia a quatro chaves por histerese compensado e por histerese não compensado. O acionamento a quatro chaves tem potencial para redução de custos devido à redução do número de chaves e pode ser utilizado em aplicações comerciais, industriais e residenciais.
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Book chapters on the topic "Switch hysteresis control"

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Livshits, Klimentii, and Ekaterina Ulyanova. "Switch-Hysteresis Control of the Production Process in a Model with Perishable Goods." In Communications in Computer and Information Science, 192–206. Cham: Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-44615-8_17.

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Livshits, Klimentii, and Ekaterina Ulyanova. "Switch-Hysteresis Control of the Selling Times Flow in a Model with Perishable Goods." In Communications in Computer and Information Science, 263–74. Cham: Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-25861-4_23.

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Fu, Jun, and Tai-Fang Li. "Hysteresis Switching Control for Switched Linear Neutral Systems." In Event-Triggered Control of Switched Linear Systems, 117–29. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-71604-2_7.

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Srinivas, P., and P. V. N. Prasad. "Comparative Performance Analysis of Hysteresis Current Control and Direct Torque Control of 4 Phase 8/6 Switched Reluctance Motor Drive." In Communications in Computer and Information Science, 411–15. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25734-6_64.

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Conference papers on the topic "Switch hysteresis control"

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Wang, Lin, Fangang Meng, Zhengnai Sun, Shiyan Yang, and Wei Yang. "An adaptive hysteresis sliding mode control method for double-switch buck-boost converter." In 2017 IEEE Transportation Electrification Conference and Expo, Asia-Pacific (ITEC Asia-Pacific). IEEE, 2017. http://dx.doi.org/10.1109/itec-ap.2017.8080865.

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Gulbudak, Ozan, and Mustafa Gokdag. "Dual-Hysteresis Torque Control of Multi-Induction Machines fed by a Nine-Switch Inverter." In 2021 IEEE 30th International Symposium on Industrial Electronics (ISIE). IEEE, 2021. http://dx.doi.org/10.1109/isie45552.2021.9576225.

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Mandal, Arindam, V. Inder Kumar, and Santanu Kapat. "Multi-band mixed-signal hysteresis current control for EMI reduction in switch-mode power supplies." In 2016 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2016. http://dx.doi.org/10.1109/apec.2016.7468329.

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Akhila, R., Mary P. Varghese, V. S. Anooja, and S. Nikhil. "Torque ripple reduction of four-switch inverter fed permanent magnet brushless DC motor using hysteresis controller." In 2014 International Conference on Power Signals Control and Computations (EPSCICON). IEEE, 2014. http://dx.doi.org/10.1109/epscicon.2014.6887510.

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Li, Ying, Xinbo Ruan, Yazhou Wang, and Chengxiang Zhang. "Digitally-Assisted Hysteresis Voltage Prediction Control For Series-Form Switch-Linear Hybrid Envelope-Tracking Power Supply." In 2019 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2019. http://dx.doi.org/10.1109/ecce.2019.8913064.

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Komurcugil, Hasan, and Osman Kukrer. "A double-band hysteresis control approach for three-phase four-switch active filters with switching frequency mitigation." In IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2014. http://dx.doi.org/10.1109/iecon.2014.7048627.

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Touati, Zeineb, Imed Mahmoud, and Adel Khedher. "Hysteresis Current Control of Switched Reluctance Generator." In 2020 11th International Renewable Energy Congress (IREC). IEEE, 2020. http://dx.doi.org/10.1109/irec48820.2020.9310391.

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Wang, Jiahua, Bao Zhao, Junrui Liang, and Wei-Hsin Liao. "Orbit Jumps of Monostable Energy Harvesters by a Bidirectional Energy Conversion Circuit." In ASME 2019 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/detc2019-97807.

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Abstract Nonlinear energy harvesters have been widely studied in the last decade. Their broad bandwidth and relatively high power output contribute to energy harvesting applications. However, the coexisting multiple orbits brought by the nonlinearity weaken the performance of nonlinear energy harvesters. This paper proposes to achieve orbit jumps of monostable energy harvesters by a bidirectional energy conversion circuit. Changing the switch control sequence in the bidirectional energy conversion circuit facilitates it with both the energy harvesting and vibration exciting functions. Thus, a nonlinear energy harvester in connection with the circuit can harness ambient energy as well as excite itself, through energy harvesting and vibration exciting modes separately. Based on the concept of vibration exciting, the energy saved in the storage is used to stimulate the piezoelectric transducer for a larger vibration amplitude, which enables orbit jumps. The working mechanism of the circuit is introduced. Experimental setup of a monostable energy harvester has been developed to validate the proposed method. The monostable system can be stimulated to high-energy orbit from a small vibration amplitude by the vibration exciting mode of the circuit. It is also revealed that the method can achieve orbit jumps in a wide frequency range within the hysteresis area. Evaluations on energy consumption and energy gain show that the sacrificed energy can be quickly recovered. A novel approach for orbit jumps of monostable energy harvesters is performed so as to open new opportunities for monostable energy harvesters.
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Chaib, Salim, Driss Boutat, and Abderraouf Benali. "Hysteresis switched observer with regional pole placements for general manipulation systems." In 2006 IEEE Conference on Computer Aided Control System Design, 2006 IEEE International Conference on Control Applications, 2006 IEEE International Symposium on Intelligent Control. IEEE, 2006. http://dx.doi.org/10.1109/cacsd-cca-isic.2006.4776861.

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Chaib, Salim, Driss Boutat, and Abderraouf Benali. "Hysteresis Switched Observer with Regional Pole Placements for General Manipulation Systems." In 2006 IEEE International Conference on Control Applications. IEEE, 2006. http://dx.doi.org/10.1109/cca.2006.286096.

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