The Journal of Korea Navigation Institute, 2012 This study configuration Vector Control System which is stable and has outstanding Dynamic Characteristics in Very Low Speed Region and Low Speed Region, and proposes Instantaneous Speed Observer and Very Low Speed Control method and vector control system of the speed estimation a using Reduced-Dimensional State Observer.
Lark-Hoon Hwang +3 more
openaire +2 more sources
Speed sensorless field oriented control of ac induction motor using model reference adaptive system [PDF]
, 2020 In order implement the vector control technique, the motor speed information is required. Incremental encoder, resolvers and tachogenerator, are used to reveal the speed.
Ismael, Ahmed Jameel
core
Continuous-time adaptive control applied to rf amplifier linearization [PDF]
, 1994 A new approach to the RF power amplifier linearization problem is presented. The proposed solution applies non-linear theories (Lyapunov direct method) to adaptive filtering in order to improve the linearity of the RF amplifiers.
Bertran Albertí, Eduardo +2 more
core +1 more source
Control of position sensorless for permanent magnet toroidal motor
Dianzi Jishu Yingyong, 2019 Based on the analysis of the structure and driving mechanism of the permanent magnet toroidal motor, the inductance of the motor was analyzed and calculated, the mathematical model was established.
Liu Xin, Wei Xufeng
doaj +1 more source
A Composite Variable Structure PI Controller for Sensorless Speed Control Systems of IPMSM
Energies, 2022 In the speed control system of an Interior Permanent Magnet Synchronous Motor (IPMSM) without a speed sensor, PI controllers using only a fixed set of parameters cannot achieve accurate tracking of the estimated speed in a wide speed domain and also ...
Weidong Feng +3 more
doaj +1 more source
Transcriptome analysis of porcine M. semimembranosus divergent in intramuscular fat as a consequence of dietary protein restriction [PDF]
, 2013 peer-reviewedBackground: Intramuscular fat (IMF) content is positively correlated with aspects of pork palatability, including flavour, juiciness and overall acceptability.
Aslan, Ozlem +6 more
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Comparison of Adaptation Mechanisms on MRAC
IEEE AccessModel reference adaptive control (MRAC) could be designed using different adaptation mechanisms. An adaptation mechanism could affect the Model Reference Adaptive System (MRAS) performance.
Ebubekir Kokcam, Nusret Tan
doaj +1 more source
Speed Sensorless Control of Six-Phase Asynchronous Motor Drive [PDF]
, 2017 Multi -phase ac motor drives are nowadays considered for various applications, due to many advantages that they offer when compared to three-phase motors.
Elbarbary, Z.M.S
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Constant switching frequency predictive control scheme for three-level inverter-fed sensorless induction motor drive [PDF]
Bulletin of the Polish Academy of Sciences: Technical Sciences, 2020 The paper presents a novel model predictive flux control (MPFC) scheme for three-level inverter-fed sensorless induction motor drive operated in a wide speed region, including field weakening.
D. Stando, M.P. Kazmierkowski
doaj +1 more source
Precision Positioning with Shape-Memory-Alloy Actuators
International Journal of Automation and Smart Technology, 2013 The primary purpose of this study is to improve the positioning performance of shape-memory-alloy (SMA) actuators. In order to achieve this goal, the system nonlinearity was reduced with the inversion of a nonlinear model.
Kai-Hung Liang +2 more
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