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Journal articles on the topic 'Hysteresis current control'

Author: Grafiati
Published: 4 June 2021
Last updated: 17 June 2025

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1

Bu, Wen Shao, Lei Lei Xu, Xian Bo Wang, and Xin Win Niu. "Double-Hysteresis Current Control Strategy of PWM Rectifier." Applied Mechanics and Materials 433-435 (October 2013): 1037–44. http://dx.doi.org/10.4028/www.scientific.net/amm.433-435.1037.

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to hold the merits of the traditional hysteresis controller, and at the same time, hold back the change of switching frequency and reduce the switching power loss in hysteresis control of PWM rectifier, based on the relationship between line currents and switching status, an improved algorithm of double-hysteresis current control method for three-phase voltage-type PWM converter was proposed. In the strategy, the position of reference voltage vector can be detected by double hysteresis, PLL circuit can detect the output of switching states. The proposed algorithms not only hold the merits of traditional hysteresis, such as quick current response and current limited capacity, but also, it can overcome the drawback of non-fixed switching frequency of traditional hysteresis. The algorithm has been simulated and verified by MATLAB/simulink platform, and the system operates stably.
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2

Nguyen-Van, Triet, Rikiya Abe, and Kenji Tanaka. "Digital Adaptive Hysteresis Current Control for Multi-Functional Inverters." Energies 11, no. 9 (2018): 2422. http://dx.doi.org/10.3390/en11092422.

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This paper proposes a digital adaptive hysteresis current control method for multi-functional inverters in a power-flow control device called digital grid router. Each inverter can be controlled in master, grid-connected, or stand-alone modes, which can be specified by the controller. While the popular linear sine-triangle pulse width modulation (SPWM) control technique requires complicated proportional-integral (PI) regulators with an unavoidable time delay, hysteresis current control has a simple structure, fast responses, and robustness due to its independent system of parameters. Since the hysteresis current control method controls the output current stay around the reference current directly, in the multi-functional inverter, the reference output is not given by a current directly. Thus, the reference current used to implement the hysteresis current control in this study is calculated from the given reference voltage or power in each control mode. The controller uses high-speed sampled data at MHz level and is implemented by using a field-programmable gate array (FPGA). Experimental results show good performances of the proposed controller in controlling power exchanges in the digital grid router.
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3

Mohd, Azhar Aina Suhailah, Maaspaliza Azri, Halim Wahidah Abd, Md Hairul Nizam Talib, Zulhani Rasin, and Mohd Fayzul Mohammed. "Hysteresis current control for single-phase transformerless inverter." International Journal of Applied Power Engineering (IJAPE) 14, no. 1 (2025): 1–10. https://doi.org/10.11591/ijape.v14.i1.pp1-10.

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The total harmonic distortion (THD) of grid current and leakage current are significant for transformerless inverters, as they impact power quality, efficiency, and compliance with grid codes. Monitoring and minimizing these currents ensure safe and reliable grid integration of photovoltaic (PV) systems while reducing electromagnetic interference. Therefore, in this paper, the analysis THD of grid current and leakage current is described. The bipolar pulse width modulation (BPWM) technology provides a stable common-mode voltage (200 V), fewer leakage currents (< 30 mA), and better system efficiency, compared to the unipolar pulse width modulation (UPWM) technique. To ensure the inverter complies with the IEC 61000-3-2 class C (THDi < 5%), the current control strategy should be considered during the design of the transformerless inverter. Therefore, this paper presents an implementation and evaluation of the bipolar hysteresis current control (BHCC) technique. In comparison to the BPWM technique, the BHCC technique delivers lower leakage current (0.007274 A), reduced grid current harmonic distortion (1.81%), and increased efficiency.
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4

Liu, Yu-Ping, Kang-Zhi Liu, and Xiaofeng Yang. "Nonlinear Current Control for Reluctance Actuator with Hysteresis Compensation." Journal of Control Science and Engineering 2014 (2014): 1–7. http://dx.doi.org/10.1155/2014/150345.

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The next-generation fine stage of the wafer scanner needs a suitable actuator to meet the requirements of high speed, high acceleration, and high precision. The voice coil actuator is no longer the best choice because of its large size and the heat dissipation is difficult to solve. The reluctance actuator can provide a big force based on a unique property of small volume and low current, making it a very suitable candidate. But the strong nonlinearity such as the hysteresis between the current and force limits the reluctance actuator applications in nanometer positioning. This paper proposes a nonlinear current control configuration with hysteresis compensation using the adaptive multilayer neural network. Simulation results show that the hysteresis compensator is effective in overcoming the hysteresis and is promising in precision control applications.
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5

Mohd Azhar, Aina Suhailah, Maaspaliza Azri, Wahidah Abd Halim, Md Hairul Nizam Talib, Zulhani Rasin, and Mohd Fayzul Mohammed. "Hysteresis current control for single-phase transformerless inverter." International Journal of Applied Power Engineering (IJAPE) 14, no. 1 (2025): 1. https://doi.org/10.11591/ijape.v14.i1.pp1-10.

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The total harmonic distortion (THD) of grid current and leakage current are significant for transformerless inverters, as they impact power quality, efficiency, and compliance with grid codes. Monitoring and minimizing these currents ensure safe and reliable grid integration of photovoltaic (PV) systems while reducing electromagnetic interference. Therefore, in this paper, the analysis THD of grid current and leakage current is described. The bipolar pulse width modulation (BPWM) technology provides a stable common-mode voltage (200 V), fewer leakage currents (< 30 mA), and better system efficiency, compared to the unipolar pulse width modulation (UPWM) technique. To ensure the inverter complies with the IEC 61000-3-2 class C (THDi < 5%), the current control strategy should be considered during the design of the transformerless inverter. Therefore, this paper presents an implementation and evaluation of the bipolar hysteresis current control (BHCC) technique. In comparison to the BPWM technique, the BHCC technique delivers lower leakage current (0.007274 A), reduced grid current harmonic distortion (1.81%), and increased efficiency.
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6

Vahedi, Hani, Abdolreza Sheikholeslami, Mohammad Tavakoli Bina, and Mahmood Vahedi. "Review and Simulation of Fixed and Adaptive Hysteresis Current Control Considering Switching Losses and High-Frequency Harmonics." Advances in Power Electronics 2011 (June 28, 2011): 1–6. http://dx.doi.org/10.1155/2011/397872.

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Hysteresis Current Control (HCC) is widely used due to its simplicity in implementation, fast and accurate response. However, the main issue is its variable switching frequency which leads to extraswitching losses and injecting high-frequency harmonics into the system current. To solve this problem, adaptive hysteresis current control (AHCC) has been introduced which produces hysteresis bandwidth which instantaneously results in smoother and constant switching frequency. In this paper the instantaneous power theory is used to extract the harmonic components of system current. Then fixed-band hysteresis current control is explained. Because of fixed-band variable frequency disadvantages, the adaptive hysteresis current control is explained that leads to fixing the switching frequency and reducing the high-frequency components in source current waveform. Due to these advantages of AHCC, the switching frequency and switching losses will be diminished appropriately. Some simulations are done in MATLAB/Simulink. The Fourier Transform and THD results of source and load currents and the instantaneous switching frequency diagram are discussed to prove the efficiency of this method. The Fourier Transform and THD results of source and load currents are discussed to prove the validity of this method.
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7

Gu, Wei, Lihui Zhang, Junkai Xie, et al. "A Current Amplifier Circuit and Control Strategy Based on FPGA." Journal of Physics: Conference Series 2095, no. 1 (2021): 012008. http://dx.doi.org/10.1088/1742-6596/2095/1/012008.

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Abstract With the extensive application of electric vehicles, energy storage systems and other power electronic equipment, the research on large capacity controllable current source will be an important direction in the future. This paper proposes controllable current source controlled by a full digitally hysteresis current based on field programmable gate array(FPGA), in which the single phase full bridge topology is adopted as the main circuit of current source. The two levels and three levels hysteresis current control strategies are analyzed and compared with the platform of PSCAD/EMTDC. The user defined component was adopted to realize the two difference control strategies with fortran language program. The simulation results verified that the two levels hysteresis current control strategy is much more fit for the controllable current source. Finally, a prototype is designed and fulfilled and it is controlled by the digitally controller with FPGA. The hysteresis current control is realized by FPGA controller with VHDL programming. The experimental results show that the researched hysteresis current control technology is effective for the current amplifier
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8

Sabaghi, Masoud, Mohsen Dashtbayazi, and Saeid Marjani. "Dynamic Hysteresis Band Fixed Frequency Current Control." World Applied Programming 6, no. 1 (2016): 1–4. http://dx.doi.org/10.21828/wap-06-01-001.

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9

Sabaghi, Masoud, Mohsen Dashtbayazi, and Saeid Marjani. "Dynamic Hysteresis Band Fixed Frequency Current Control." World Applied Programming 6, no. 1 (2016): 1–4. http://dx.doi.org/10.21828/wap0601.001.

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10

Buso, S., S. Fasolo, L. Malesani, and P. Mattavelli. "A dead-beat adaptive hysteresis current control." IEEE Transactions on Industry Applications 36, no. 4 (2000): 1174–80. http://dx.doi.org/10.1109/28.855976.

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11

Naik, Amiya, Anup Kumar Panda, and Sanjeeb Kumar Kar. "Improving the Dynamic Response during Field Weakening Control of IPMSM Drive System using Adaptive Hysteresis Current Control Technique." International Journal of Emerging Electric Power Systems 17, no. 3 (2016): 235–49. http://dx.doi.org/10.1515/ijeeps-2015-0078.

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Abstract This paper presents the control of IPMSM drive in flux weakening region, for high speed applications. An adaptive hysteresis band current controller has been designed and implemented in this work to overcome the drawbacks which are present in case of conventional hysteresis band current controllers such as: high torque ripple, more current error, large variation in switching frequency etc. The proposed current controller is a hysteresis controller in which the hysteresis band is programmed as a function of variation of motor speed and load current. Any variation in those parameters causes an appropriate change in the band which in turns reduces the torque ripple as well as current error of the machine. The proposed scheme is modeled and tested in the MATLAB-Simulink environment for the effectiveness of the study. Further, the result is validated experimentally by using TMS320F2812 digital signal processor.
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12

Song, Qing Shou. "A Hysteretic Current Controller for Active Power Filter (APF) with Constant Frequency." Advanced Materials Research 460 (February 2012): 308–12. http://dx.doi.org/10.4028/www.scientific.net/amr.460.308.

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In accordance with the advantage of conventional hysteresis current control method, this paper advances a novel control method for APF. In conventional hysteresis current control, the hysteresis band (HB) is fixed and actual compensating current is limited in a fixed HB. Firstly, the connection between HB and switching frequency must be found correctly. Then, the variable hysteresis band current controller is designed according to the connection. Finally, the Matlab simulation results show that the switching frequency of VSI is held nearly constant and the proposed controller can track reference current well[1]. The problems of increasing switching losses and audible noise which happened in high-frequency state can be resolved in conventional hysteresis current control.
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13

Malathi, V., Dr S. Sentamil Selvan, and Dr S. Meikandasivam. "Digital Hysteresis Control Algorithm for Switched Inductor Quasi Z-Source Inverter with Constant Switching Frequency." International Journal of Electrical and Electronics Research 10, no. 3 (2022): 572–78. http://dx.doi.org/10.37391/ijeer.100327.

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In this paper, a digital hysteresis current limit controller is developed for Switched Inductor Quasi Z-Source Inverter (SLQZSI). Traditional methods like hysteresis current fixed limit and adjustable hysteresis current limit techniques changes the hysteresis bandwidth in accordance to modulating frequency and gradient of reference current. The operating shifting frequency of typical approaches oscillates and crosses the intended steady shifting frequency under noise. It leads to undesirable heavy interference between the phases and more power loss. In the planned digital hysteresis current limit technique, the hysteresis current limit is calculated by resolving the optimization problem. In the proposed approach the operating shifting frequency is kept same or inferior to the intended steady shifting frequency even under noise. Hence the planned digital hysteresis current limit algorithm maintains the output current steady and power loss is minimized which is not promised by the conservative techniques. To compare different control strategies in terms of nature of operating switching frequency and harmonic performance simulations are built on the MATLAB/SIMULINK
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14

Rajini, V. "Investigations on Hysteresis-Based Current Control Techniques for Grid Connected Photovoltaic Systems." Journal of Engineering Research [TJER] 12, no. 1 (2014): 32. http://dx.doi.org/10.24200/tjer.vol12iss1pp32-43.

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This paper focuses on delivering an effective performance qualification (PQ) control strategy for a grid connected photovoltaic (PV) system. A PV-based distributed generation system with a capacity of 10 kilo volt amps (kVA) was connected to the utility side of a power grid operating at 415 V. The power grid was modelled with a capacity of 100 kVA, 11 kV, and 100 km transmission line length. The PQ control strategy was implemented with three hysteresis-based current control techniques. To overcome the drawbacks of conventional hysteresis-control techniques, adaptive tuning of the hysteresis band was carried out, and a vector-based hysteresis current control is proposed to improve the results.
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15

Gołdasz, Janusz, Bogdan Sapinski, and Łukasz Jastrzębski. "Assessment of the Magnetic Hysteretic Behaviour of MR Dampers through Sensorless Measurements." Shock and Vibration 2018 (September 9, 2018): 1–21. http://dx.doi.org/10.1155/2018/3740208.

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Magnetorheological (MR) dampers are well-known devices based on smart fluids. The dampers exhibit nonlinear hysteretic behaviour which affects their performance in control systems. Hence, an effective control scheme must include a hysteresis compensator. The source of hysteresis in MR dampers is twofold. First, it is due to the compressibility and inertia of the fluid. Second, magnetic hysteresis is the inherent property of ferromagnetic materials that form the control circuit of the valve including MR fluid. While the former was studied extensively over the past years using various phenomenological models, the latter has attracted less attention. In this paper, we analyze the magnetic hysteretic behaviour of three different MR dampers by investigating their current-flux relationships. Two dampers operate in flow mode, whereas the third one is a shear-mode device (brake). The approach is demonstrated using a sensorless magnetic flux estimation technique. We reveal the response of the dampers when subjected to sinusoidal inputs across a wide range of operating conditions and excitation inputs. Our observations of the flux data showed that the hysteresis is influenced by both amplitude and the frequency of the excitation input. The procedure allows to analyze the magnetic hysteresis independently of other sources of hysteresis in MR dampers; on this basis, more effective damper models and control algorithms can be developed in the future.
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16

Liu, Yu Ping, Zhi Kang Liu, and Xiao Feng Yang. "Hysteresis Compensation Control for a Current-Driven Reluctance Actuator Using the Adaptive MNN." Applied Mechanics and Materials 643 (September 2014): 60–65. http://dx.doi.org/10.4028/www.scientific.net/amm.643.60.

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The next-generation semiconductor lithography equipment needs a suitable actuator to meet the requirement of high-speed, high-acceleration and high-precision. Reluctance actuator, which has a unique property of small volume, low current and can produce great force, is a very suitable choice. One of the major application challenges of reluctance actuator is the hysteresis of the force, which has a nonlinear relationship with respect to the current and is directly related to the final accuracy in the nanometer range. Therefore, it is necessary to study the control method for the hysteresis in reluctance force. This paper proposes a hysteresis control configuration for the current-driven variable reluctance actuator with hysteresis using the adaptive multilayer neural network (MNN), which is used as a learning machine of hysteresis. The simulation results show that the proposed method is effective in overcoming the hysteresis.
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17

Jiang, Gui Xiu, and Shu Jie. "The Application of BP Algorithm in Electronic Load Current Control." Advanced Materials Research 846-847 (November 2013): 185–89. http://dx.doi.org/10.4028/www.scientific.net/amr.846-847.185.

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The current control method based on double hysteresis current control and space vector is taken, so that the current tracing control of three phase VSR can realized. The predictive current control based on BP algorithm is presented, and the drawback that there is beat during the control of SVPWM based on hysteresis can be made up, which has serious influence on the current tracing when the difference value changed violently. Without the rise of sampling frequency, the reference offset current of next time is predicted using of historical current. The simulation results show that the predictive current control based on BP algorithm is correct and valid. The deadbeat control of SVPWM based on hysteresis is realized, less harmonic current and better tracing are got.
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18

Kiran, Nagulapati. "Indirect Vector Control of Three Phase Induction Motor using PSIM." Bulletin of Electrical Engineering and Informatics 3, no. 1 (2014): 15–24. http://dx.doi.org/10.11591/eei.v3i1.181.

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This paper presents the implementation of indirect vector control of three phase Induction Motor using Hysteresis Band PWM current control and Synchronous Current Control in PSIM environment. In any machine drive system, current control directly influences both flux and torque developed directly. In Hysteresis current control method, actual current tracks the command current within a hysteresis band. There is no difficulty in current control tracking when CEMF is low, but at higher speeds, current controller gets saturated due to higher CEMF and hense becomes difficult to track due to which there will be a phase lag with respect to command current. All such problems are solved using Synchronous Current Control.
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19

Zhang, Yong Hua, Jian Sheng Zhang, and Peng Fei Song. "Research on Effect of Harmonics to Hysteresis Current Tracking Control Performance." Applied Mechanics and Materials 427-429 (September 2013): 1150–53. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.1150.

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A simulation model was built based on the Simulink module in the Matlab to study the effect of DC power harmonics to hysteresis current control performance. The DC power supply in the hysteresis current control circuit was obtained by a three-phase rectifier circuit, and the harmonics of DC power supply vary with the value of the capacitor which was in parallel to the rectifier circuit output. The result of experiment shows that the harmonics cause the inverter output waveform distortion, even cause hysteresis current control tracking failure.
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20

Wang, En Rong, Xiao Qing Ma, S. Rakhela, and C. Y. Su. "Modelling the hysteretic characteristics of a magnetorheological fluid damper." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 217, no. 7 (2003): 537–50. http://dx.doi.org/10.1243/095440703322114924.

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A generalized model is proposed to characterize the biviscous hysteretic force characteristics of a magnetorheological (MR) fluid damper using symmetric and asymmetric sigmoid functions on the basis of a fundamental force generation mechanism, observed qualitative trends and measured data under a wide range of control and excitation conditions. Extensive laboratory measurements were performed to characterize the hysteretic force properties of an MR damper under a wide range of magnitudes of control current and excitation conditions (frequency and stroke). The global model is realized upon formulation and integration of component functions describing the preyield hysteresis, saturated hysteresis loop, linear rise and current-induced rise. The validity of the proposed model is demonstrated by comparing the simulation results with measured data in terms of hysteretic forcedisplacement and force-velocity characteristics under a wide range of test conditions. The results revealed reasonably good agreement between the measured data and model results, irrespective of the test conditions considered. The results of the study suggest that the proposed model could be effectively applied for characterizing the damper hysteresis and for development of an optimal controller for implementation in vehicular suspension applications.
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21

Xia, Yang, Hai Liang Tao, and Ning Zhang. "An Adaptive Hysteresis Band Controller for Single Phase PV Inverters." Advanced Materials Research 354-355 (October 2011): 1333–37. http://dx.doi.org/10.4028/www.scientific.net/amr.354-355.1333.

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Hysteresis current controllers are widely used in PV inverters. The main drawback of conventional hysteresis current control is that the switching frequency is variable, as the hysteresis band is fixed. In this paper an adaptive band hysteresis control algorithm with no derivative calculation is presented. As it will be shown, this algorithm can limit the switching frequency variation within a small range and the algorithm itself is simple and easy to be implemented. The performance of this algorithm, together with the one [10] and conventional hysteresis control has been evaluated by means of simulations performed with PSIM and SIMULINK. Simulation results show the effectiveness of the suggested hysteresis current controller.
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22

Sankar, R. S. Ravi, A. Venkatesh, and Deepika Kollipara. "Adaptive hysteresis band current control of grid connected PV inverter." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 4 (2021): 2856. http://dx.doi.org/10.11591/ijece.v11i4.pp2856-2863.

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In this paper, adaptive hysteresis band current controller is implemented to control the current injected into the grid. Initially it was implemented by B.K Bose for control of the machine drive. Now it is implemented for the grid connected PV inverter, to control the current injected into Grid. It is well suitable for the distribution generation. The adaptive hysteresis band controller changes the bandwidth based on the modulating frequency, supply voltage, input DC voltage and slope of the reference current. Consequently, the controller generates pulses to the inverter. It is advantageous over the conventional hysteresis controller, as the switching frequency is maintained almost constant. Thereby quality of grid current is also improved. It is verified in time domain analysis of simulation using MATLAB.
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23

R., S. Ravi Sankar, Venkatesh A., and Kollipara Deepika. "Adaptive hysteresis band current control of grid connected PV inverter." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 4 (2021): 2856–63. https://doi.org/10.11591/ijece.v11i4.pp2856-2863.

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In this paper, adaptive hysteresis band current controller is implemented to control the current injected into the grid. Initially it was implemented by B.K Bose for control of the machine drive. Now it is implemented for the grid connected PV inverter, to control the current injected into Grid. It is well suitable for the distribution generation. The adaptive hysteresis band controller changes the bandwidth based on the modulating frequency, supply voltage, input DC voltage and slope of the reference current. Consequently, the controller generates pulses to the inverter. It is advantageous over the conventional hysteresis controller, as the switching frequency is maintained almost constant. Thereby quality of grid current is also improved. It is verified in time domain analysis of simulation using MATLAB.
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24

Lam, C. S., Y. D. Han, and M. C. Wong. "Hysteresis current control of hybrid active power filters." IET Power Electronics 5, no. 7 (2012): 1175–87. http://dx.doi.org/10.1049/iet-pel.2011.0300.

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25

Loh, P. C., G. H. Bode, and P. C. Tan. "Modular hysteresis current control of hybrid multilevel inverters." IEE Proceedings - Electric Power Applications 152, no. 1 (2005): 1. http://dx.doi.org/10.1049/ip-epa:20041219.

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26

Yang, Min Sheng, and Si Guo Zhu. "A New Modulation Method Based on Current Hysteresis Control for Cascaded H-Bridge Inverter." Advanced Materials Research 588-589 (November 2012): 393–96. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.393.

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This paper puts forward a current hysteresis control method suitable for cascaded H-bridge inverter. It has the following characteristics : The control method is similar to unipolar SPWM modulation for a single H bridge.It is simple for pulse generator and can effectively reduce the switching losses; The phase-shifted control pulse for multi H bridges of a phase with current hysteresis control can be generated which is similar to the phase shift SPWM by dynamically adjusting the width of hysteresis to keep power device switching frequency constant; It retains fast response, internal current limiting and with good stability for current hysteresis control.At last, the experimental results verify the correctness of the proposed method.
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27

Nguyen-Van, Triet, Rikiya Abe, and Kenji Tanaka. "MPPT and SPPT Control for PV-Connected Inverters Using Digital Adaptive Hysteresis Current Control." Energies 11, no. 8 (2018): 2075. http://dx.doi.org/10.3390/en11082075.

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Most PV systems are usually controlled by a Maximum Power Point Tracking (MPPT) algorithm to maximize the generated electrical power. However, the maximum power is often unstable and depends on the solar irradiance and temperature. This makes it difficult to control the power grid supply-demand balance due to fluctuations caused by the increase of renewable and variable PV systems. This paper proposes a new control algorithm for a PV-connected inverter called Specified Power Point Tracking (SPPT) control in addition to the conventional Maximum Power Point Tracking (MPPT) control. The PV system is controlled to generate the maximum power or a specified power depending on the electricity transactions comes from the electricity trading system. A high-speed FPGA-based digital adaptive hysteresis current control method, which has fast and stable response and simple structure comparing with the popular Sine-triangle Pulse Width Modulation (SPWM) method, is proposed to implement the MPPT and SPPT control. The adaptive hysteresis current band is calculated adaptively to improve a disadvantage of the classical fixed band hysteresis current control on the varying switching frequency. A reference current used in the adaptive hysteresis current control is calculated such that the output power of the PV-connected inverter is maximized in the MPPT control or is maintained at a given value in the SPPT control. The experimental and simulation results show that the PV-connected inverter under the proposed control algorithm generates the desired power almost exactly and yields stable and fast response despite the varying irradiance.
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28

Yan, De Jian, Hong Lin Ouyang, and Zheng Lu. "Inverter of Hysteresis Current Control Basing on a New Single-Polar SPWM." Advanced Materials Research 529 (June 2012): 59–63. http://dx.doi.org/10.4028/www.scientific.net/amr.529.59.

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Hysteresis current control can control the current’s changing by changing the state of the inverter’s switches, in order to realize to tail the given current quickly for actual current. Theory and experimentation of changing ring width constant single-polar hysteresis current control of the cascade inverter are proposed. In the last, the simulation and the output waveforms are given.
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29

CHAITRALI, S. SHEDGE, and H. MADHAVI RAJENDRA. "THREE-LEVEL INVERTER CONTROLLED BY MEANS OF HYSTERESIS CURRENT CONTROL. APPLICATION TO GRID INTEGRATION." JournalNX - A Multidisciplinary Peer Reviewed Journal 2, no. 9 (2016): 5–9. https://doi.org/10.5281/zenodo.1468160.

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This paper describes the operational analysis results of a grid integration of distributed generation sources with an AC grid using multilevel inverter. The multilevel inverter is a three-level voltage source inverter (VSI), which is controlled by means of a novel vector hysteresis current control (V.H.C.C). The proposed V.H.C.C, which is based on error square areas, controls the three-phase load AC currents. The three load current errors are gathered into a single space vector quantity. In this case, the magnitude of the error vector is limited within boundary areas of a square shape. The control scheme is based on the detection of areas and sectors, in which the vector tip of the current error can be located. Then it applies an appropriate voltage vector among the 27 voltage vectors. Inherent advantages of current hysteresis controller are retained with the added advantage of adjacent voltage vector selection for hysteresis PWM control. Simple look-up tables are required for the detection of areas and sectors, and also for the vector selection. A detailed model of wind power generation, photo-voltaic generation and multilevel inverter with its current controlled SVPWM technique was implemented with a MATLAB. https://journalnx.com/journal-article/20150112
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30

B., R. Babar, and Kanade S.G. "DEVELOPMENT OF 3 PHASE 3 WIRE SHUNT ACTIVE POWER FILTER FOR HARMONIC REDUCTION." JournalNX - A Multidisciplinary Peer Reviewed Journal 2, no. 6 (2016): 1–4. https://doi.org/10.5281/zenodo.1469469.

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This paper shows the method of improving the power quality as well as power factor using shunt active power filter in the power system, which is caused by nonlinear loads. The Shunt Active Power Filter (SAPF) injects a suitable compensating current at a point of common coupling (PCC) so that the harmonics present in the line are cancelled out and the sinusoidal nature of voltage and current waveforms are restored. The proposed method consist of Bang Bang current control for reference current generation and Hysteresis band current control (HBCC) technique for the generation of firing pulses to the inverter. This system is simulated using MATLAB/Simulink and the results are presented https://journalnx.com/journal-article/20150080
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31

Černelič, Jernej, Robert Brezovnik, Primož Sukič, and Martin Petrun. "Eliminating short switching cycles when using hysteresis control of resistance spot welding systems." COMPEL - The international journal for computation and mathematics in electrical and electronic engineering 36, no. 3 (2017): 791–803. http://dx.doi.org/10.1108/compel-09-2016-0429.

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Purpose This paper aims to present two hysteresis-control algorithms designed for medium-frequency, direct-current, resistance-spot-welding (MFDC RSW) systems. The first proposed control algorithm (MSCHC) eliminates the short switching cycles that can occur when using the existing hysteresis-control algorithms. This control minimises the number of switching cycles that are needed to generate the selected welding current. The welding-current ripple can be high when using this control algorithm. Therefore, a second algorithm (HCRR) is presented that reduces the welding-current ripple by half. Design/methodology/approach The proposed hysteresis controllers consist of the transformer’s magnetic-flux-density hysteresis regulator and a welding-current hysteresis regulator. Therefore, the welding current must be measured and the saturation of the iron core must be detected. The proposed hysteresis controller supplies the inverter with the signals needed to generate the supply voltage for the RSW transformer, which then generates the selected welding current. Findings The proposed MSCHC algorithm produces the smallest possible number of switching cycles needed to generate the selected welding current. The high welding-current ripple can be reduced if the number of switching cycles is increased. The observed number of switching cycles and the welding-current ripple change if the welding resistance and/or inductance change. Originality/value The number of switching cycles can be minimised when using the first proposed control algorithm (MSCHC), and so the switching power losses can be minimised. If the welding-current ripple produced by the first control algorithm is unacceptable, the second control algorithm (HCRR) can reduce it by increasing the number of switching cycles.
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32

Deng, Kai, Jia Ming Wang, Chen Yu Zhang, Jun Mei, and Jian Yong Zheng. "Control of Grid-Connected Quasi-Z Source Inverter Based on Three-States Constant Frequency Hysteresis Current Control." Applied Mechanics and Materials 687-691 (November 2014): 3266–69. http://dx.doi.org/10.4028/www.scientific.net/amm.687-691.3266.

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This paper proposes a hysteresis current control method for the grid-connected quasi Z source inverter with three states and constant frequency. The hysteresis band of the inverter is analyzed in detail, and the shoot-through is inserted into the zero state without affecting the grid-connected control. Moreover, the operating states of the switches are discussed. Finally, the feasibility of the proposed topology is verified by simulations and experiments results.
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33

Kalyanraj, D., and S. Lenin Prakash. "Design and Digital Implementation of Constant Frequency Hysteresis Current Controller for Three-Phase Voltage Source Inverter Using TMS320F2812." International Journal of Emerging Electric Power Systems 15, no. 1 (2014): 13–23. http://dx.doi.org/10.1515/ijeeps-2013-0141.

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Abstract A constant frequency hysteresis current control technique for a three-phase voltage source inverter (VSI) has been developed for AC drives, power quality and renewable energy applications. This paper presents a digital implementation of a constant frequency hysteresis current control technique for a three-phase VSI feeding an inductive load, using digital signal controller TMS320F2812. The limitations of variable frequency hysteresis control have been discussed and overcoming these limitations by means of digital implementation has been proposed. The complete design procedure of the proposed technique has been presented with an illustrative example. The three-phase VSI feeding an inductive load has also been simulated by using MATLAB and the simulation results have been presented. The hardware results of hysteresis current controlled three-phase VSI feeding an inductive load have been presented. Also the performance analysis of the hysteresis current controller has been presented. Operation of this controller has also been explained with a help of phase plane trajectory of hysteresis controller.
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34

Zeng, Jiang, and Li Peng Huang. "A New Hysteresis Current Control Method for Active Power Filter with Lower Switching Losses." Advanced Materials Research 1030-1032 (September 2014): 1423–31. http://dx.doi.org/10.4028/www.scientific.net/amr.1030-1032.1423.

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This paper presents a new hysteresis current control method for APF(active power filter) that can reduce switching losses effectively by means of adjusting the hysteresis band width according to the current size. On one hand, this method adjust the overall hysteresis band width according to the size of absolute norm of three-phase current that optimize the overall switching frequency, reduce the total switching losses effectively. On the other hand, it adjust hysteresis band width of each phase by comparing the output reference current to reduce the switching times which switching losses is larger, while increasing the switching frequency which switching losses is smaller, so as to maintain overall control precision. Computer simulation is conducted on an electromagnetic transient program. The results show that the new method can effectively reduce the switching losses under the same control accuracy and total switching frequency.
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35

Chen, Xu, and Shou Qi Wei. "Research on the Method of Variable-Frequency Hysteresis SVPWM Current Control for Three-Phase PWM Rectifier." Applied Mechanics and Materials 678 (October 2014): 392–98. http://dx.doi.org/10.4028/www.scientific.net/amm.678.392.

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Aiming at the shortcomings of the method of conventional hysteresis current control for three-phase PWM rectifier, this paper proposes a new method, which combines Variable-frequency hysteresis current control with Space Vector Pulse-width Modulation (SVPWM) strategy. With this method, the error current can be limited in a given hysteresis loop by switching the space voltage vector of the voltage source PWM rectifier (VSR) in real time. And it can get a faster response for the current, while the frequency of the switches can be reduced. So, this method can obtain a high quality for the current control of PWM rectifier.
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36

Chang, Guang Hui, Shi Jian Zhu, and Jing Jun Lou. "Model-Based Adaptive Sliding Mode Control Design for Magnetostrictive Actuator." Applied Mechanics and Materials 392 (September 2013): 324–28. http://dx.doi.org/10.4028/www.scientific.net/amm.392.324.

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Giant magnetostrictive actuator (GMA) has been used in precise position, active vibration control etc. for its merits of large output force and displacement. At low drive level, GMA presents linear relation between displacement and input current, while nonlinear appears when applied moderate or high drive level. This paper addresses the development of model-based adaptive sliding mode control designs for GMA operating in nonlinear and hysteretic regimes. Homogenized energy model in combination with a quadratic moment rotation model for magnetostriction is adopted in this paper to describe hysteresis of GMA, and its inverse model is employed as a inverse filter before GMA system to compensate the hysteresis and nonlinear. The proposed control law guaranteed global stability of the control system with certain accuracy in tracking desired trajectories. Simulation result verified the correctness and effectiveness of the extracted control method.
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37

Hong, Sun-Ki, and Jin-Ho Park. "Improved Hysteresis Current Control Regulator for High-efficiency Switching." Transactions of The Korean Institute of Electrical Engineers 61, no. 11 (2012): 1606–10. http://dx.doi.org/10.5370/kiee.2012.61.11.1606.

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38

Corzine, K. A. "A hysteresis current-regulated control for multi-level drives." IEEE Transactions on Energy Conversion 15, no. 2 (2000): 169–75. http://dx.doi.org/10.1109/60.866995.

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39

Nithya, R., Ms N. P. Anila, and Mr J. Mohan. "Analysis of Series Resonant Inverter using Hysteresis Current Control." International Journal of Engineering Trends and Technology 8, no. 2 (2014): 87–92. http://dx.doi.org/10.14445/22315381/ijett-v8p217.

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40

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 (1996): 466–71. http://dx.doi.org/10.1109/63.491640.

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41

Zhilei Yao, Lan Xiao, and Yangguang Yan. "Dual-Buck Full-Bridge Inverter With Hysteresis Current Control." IEEE Transactions on Industrial Electronics 56, no. 8 (2009): 3153–60. http://dx.doi.org/10.1109/tie.2009.2022072.

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42

R, Palanisamy. "Hysteresis Control 3-Level SI-NPC Inverter with Wind Energy System." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 4 (2017): 1764. http://dx.doi.org/10.11591/ijpeds.v8.i4.pp1764-1770.

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The system is a 3-level Neutral point clamped hysteresis current controlled Inverter with Wind energy as power source. The input DC Power for the multi-level inverter is drawn from wind turbine generator connected through a rectifier circuit. An inductor has been introduced for smoothening the DC output from the rectifier. The inverter uses Neutral Point Clamped topology. The switching pulses for the inverter are achieved by hysteresis current control technique. This system is advantageous over the conventional SPWM based system as the hysteresis current control allows to reduce the low frequency harmonics while also allowing to control the fundamental amplitude depending on frequency. The outputs for the system are verified using MATLAB simulations. The hardware for Hysteresis current control for the inverter is implemented by using a dSPIC microcontroller. The proposed system can be implemented in households for supplying backup power in case of power shortage and can also be used as a primary power source if wind flow is abundant. It is easy to implement, economical and provides clean energy
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43

Sahu, Shrashti, and Pawan Pandey. "An Adaptive Control of A Stepper Motor Drive Using a Hysteresis Current Control Approach." Journal of Power Electronics and Devices 8, no. 3 (2022): 1–8. http://dx.doi.org/10.46610/joped.2022.v08i03.001.

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Stepper motors are widely used in industrial and consumer applications due to their low cost, great dependability, and capability for open-loop control. Open-loop has a straightforward design, but it has a low step objective, a big torque wave, and low energy productivity. A new sensorless speed control structure based on hysteresis current regulator is proposed in order to work on the exhibition without increasing equipment costs. It does not convert currents between a-b and d-q coordinates using Park and inverse Park transformations, in contrast to the traditional sensorless speed control. The dynamic performance of the hysteresis current controller is excellent. It has been extensively studied and used in inverter fed drives and voltage source inverters. This approach provides quick dynamic performance and incorporates the virtual rectifier stage's line modulation methodology into the overall modulation. The outcomes of the simulation and experiment show that the suggested plan is efficient and workable. Through experimentation and evaluation of the suggested controller's speed and position tracking capabilities, MATLAB/Simulink simulation (R2020a) is used to confirm its efficacy.
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44

Zhang, Jun Li, Jian Zhuo Li, and Yu Ren Zhang. "Fixed Frequency Hysteresis Control Based STATCOM." Advanced Materials Research 383-390 (November 2011): 5936–39. http://dx.doi.org/10.4028/www.scientific.net/amr.383-390.5936.

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The operation principle of STATCOM (Synchronous Static Compensator - STATCOM) is analyzed. To improve STATCOM response speed, and to sustain the STATCOM main circuit switching device operating frequency stability, the direct current control method is introduced. Fixed frequency hysteresis control method based on the traditional hysteresis control strategy is proposed. The proposed strategy is simple, high precision, fast response speed, while it has less fluctuation with the impact of load parameters, and good robust characteristics.
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45

Gnanamurthy, Prem Sunder, and Veerapathiran Govindasamy. "Analysis of cascaded H-bridge multilevel inverter with current control methods." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 2 (2022): 998. http://dx.doi.org/10.11591/ijpeds.v13.i2.pp998-1006.

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A detailed model and analysis of a five-level cascaded H-bridge (CHB) multilevel inverter with different current control methods are presented. Simulation models of the CHB inverter with hysteresis current controller, PI current controller using SPWM technique and predictive current controller have been built to demonstrate the CHB inverter system performance with regard to load current THD and reference current tracking. In controlling the load current, the hysteresis and the PI current controllers have the problem of current ripple and phase lag, respectively. The proposed predictive current control method effectively addresses these issues. The current control methods are analyzed for varying reference current and unbalanced load conditions. The simulation results are observed and analyzed using the MATLAB Simulink software to validate the current control methods.
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46

Prem, Sunder Gnanamurthy, and Govindasamy Veerapathiran. "Analysis of cascaded H-bridge multilevel inverter with current control methods." International Journal of Power Electronics and Drive Systems (IJPEDS) 13, no. 2 (2022): 998–1006. https://doi.org/10.11591/ ijpeds.v13.i2.pp998-1006.

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A detailed model and analysis of a five-level cascaded H-bridge (CHB) multilevel inverter with different current control methods are presented. Simulation models of the CHB inverter with hysteresis current controller, PI current controller using SPWM technique and predictive current controller have been built to demonstrate the CHB inverter system performance with regard to load current THD and reference current tracking. In controlling the load current, the hysteresis and the PI current controllers have the problem of current ripple and phase lag, respectively. The proposed predictive current control method effectively addresses these issues. The current control methods are analyzed for varying reference current and unbalanced load conditions. The simulation results are observed and analyzed using the MATLAB Simulink software to validate the current control methods.
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47

Chen, Gongzhuo, Radin Za`im, and Yushaizad Yusof. "Synchronization of Phase and Frequency in Flyback Inverter Using a New Ripple Hysteresis Controller." Jurnal Kejuruteraan 36, no. 5 (2024): 1973–87. http://dx.doi.org/10.17576/jkukm-2024-36(5)-17.

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In this paper, a novel approach called ripple hysteresis controller (RHC) is proposed. Previously current signal and hysteresis band are controlled independently in the hysteresis conventional controller (HCC). However, the HCC are unable to achieve a stable current frequency due to the current signal inside the hysteresis band is less immune to disturbance and fluctuates when external signals interfere with it. To solve the problem of HCC inability to effectively control the frequency and phase of the current signal, the RHC is introduced. It is based on a novel double closed-loop control model. Firstly, a closed-loop control is carried out to compare and evaluate the frequency variation and phase synchronization of the magnetizing current. Secondly, the closed-loop control is utilised to control the hysteresis controller band. The new RHC approach is demonstrated using the MATLAB Simulink tool to substantially reduce the output ripple error of current and voltage as well as to enhance the transition accuracy at zero crossing in comparison to the HCC. This study focuses on the mathematical foundations of RHC, simulation design and result analysis. The results of the simulation illustrate the effectiveness of this innovative RHC in overcoming varying frequency and phase. In conclusion, this novel method has successfully validated the proposed RHC performance for flyback inverter application and demonstrated its superiority over HCC in several aspects.
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48

Kadum, Arkan A. "New adaptive hysteresis band width control for direct torque control of induction machine drives." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 4 (2020): 1908. http://dx.doi.org/10.11591/ijpeds.v11.i4.pp1908-1917.

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This paper presents a new adaptive hysteresis band control approach used in direct torque control (DTC) of the induction motor (IM) drives with the switching tables for the generation of PWM signals. Constant Hysteresis Direct torque control (CHB-DTC) method used the torque and stator flux errors to generate the stator voltage reference and frequency vectors for controlling the three-phase induction motor. The CHB-DTC gives better torque transient performance but it has large steady state ripples. To reduce torque and stator current ripples in CHB-DTC controlled induction motor drives a new adaptive hysteresis band control (AHB) approach is proposed, where the hysteresis band is adapted in real time with the stator flux and torque errors variation, instead of fixed bandwidth. Both classical CHB-DTC method and the proposed adaptive hysteresis band DTC (AHB-DTC) fed three induction motor have been simulated using Matlab/Simulink. The simulation results at different operating conditions over a wide speed range demonstrate the validity, effectiveness, and feasibility of the proposed scheme. The measurements showed that torque ripples were significantly decrease with the new AHB-DTC technique and better speed response in step up or down compared to the CHB-DTC.
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49

Arkan, A. Kadum. "New adaptive hysteresis band width control for direct torque control of induction machine drives." International Journal of Power Electronics and Drive System (IJPEDS) 11, no. 4 (2020): 1908–17. https://doi.org/10.11591/ijpeds.v11.i4.pp1908-1917.

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This paper presents a new adaptive hysteresis band control approach used in direct torque control (DTC) of the induction motor (IM) drives with the switching tables for the generation of PWM signals. Constant Hysteresis Direct torque control (CHB-DTC) method used the torque and stator flux errors to generate the stator voltage reference and frequency vectors for controlling the three-phase induction motor. The CHB-DTC gives better torque transient performance but it has large steady state ripples. To reduce torque and stator current ripples in CHB-DTC controlled induction motor drives a new adaptive hysteresis band control (AHB) approach is proposed, where the hysteresis band is adapted in real time with the stator flux and torque errors variation, instead of fixed bandwidth. Both classical CHB-DTC method and the proposed adaptive hysteresis band DTC (AHB-DTC) fed three induction motor have been simulated using Matlab/Simulink. The simulation results at different operating conditions over a wide speed range demonstrate the validity, effectiveness, and feasibility of the proposed scheme. The measurements showed that torque ripples were significantly decrease with the new AHB-DTC technique and better speed response in step up or down compared to the CHB-DTC.
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50

Song, En-Zhe, Guo-Feng Zhao, Chong Yao, Zi-Kun Ma, Shun-Liang Ding, and Xiu-Zhen Ma. "Study of Nonlinear Characteristics and Model Based Control for Proportional Electromagnet." Mathematical Problems in Engineering 2018 (September 6, 2018): 1–11. http://dx.doi.org/10.1155/2018/2549456.

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The nonlinear characteristics of proportional electromagnet caused by hysteresis bring great difficulties on its accurate position tracking control by current. In order to enhance the practicability and reliability of long stroke electromagnet in case of position sensor fault and improve the position tracking performance during current closed-loop control, experimental investigations on the electromagnet actuator hysteresis characteristics of diesel engine governor are carried out to analyze the system dynamic features and the effects of hysteresis on actuator position tracking performance. It is clear that hysteresis can significantly hinder the accurate position control of the electromagnet actuator. Consequently, the fuel injection will be delayed, which will lead to hysteresis of engine speed control as well as deterioration of engine performance. In this paper, the hysteresis phenomenon of an actuator and its influence on control performance of engine are investigated. The model of proportional electromagnet actuator (PEA) is established and the hysteresis principle is analyzed. Then the inverse model control strategy based on neural network (NN) is proposed to linearize the transfer behavior of electromagnet and compensate for the magnet hysteresis. Rapid control prototyping (RCP) experiment based on MicroAutoBox is further implemented to validate the real-time performance of the proposed control strategy in D6114 diesel engine. The results show that the speed fluctuation (SF) under steady-state conditions (especially under idle speed condition) and the recovery time as well as the overshoot under transient conditions are significantly improved. This makes it possible to develop redundant electromagnet driving control strategy.
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