An overview of research on wide-speed range waverider configuration
Sign Up to like & getrecommendations! Published in 2020 at "Progress in Aerospace Sciences"
DOI: 10.1016/j.paerosci.2020.100606
Abstract: Abstract Hypersonic flight is becoming a common development goal of aeronautical and astronautical technology, thus mandating the requirement that hypersonic vehicle have good aerodynamic performance over a wide-speed range. Considering that a waverider is regarded… read more here.
Keywords: speed range; wide speed; range waverider; waverider ... See more keywords
Operation Method of Non-Salient Permanent Magnet Synchronous Machine for Extended Speed Range
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DOI: 10.1109/access.2020.3000256
Abstract: This paper proposes an operation method for the extended speed range of a surface-mounted permanent magnet (SPM) synchronous machine. The proposed method is based on a novel winding changeover scheme. The SPM machine has low… read more here.
Keywords: speed; operation method; machine; speed range ... See more keywords
A Hybrid Method of Rounded Hexagon Flux Direct Torque Control for Traction Motor in Mid-Speed Range
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3060542
Abstract: This paper proposes improved segment direct torque control (DTC) for full speed range in high-power urban rail vehicles engaged in frequent starting and braking. In the mid-speed range, based on a detailed harmonic analysis and… read more here.
Keywords: speed; speed range; hexagon flux; method ... See more keywords
Ripple Excitation-Based Adaptive Sensorless Control of IPMSM in Full Speed Range
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Access"
DOI: 10.1109/access.2023.3262286
Abstract: This paper proposes an adaptive sensorless finite-control-set model predictive control (FCS-MPC) method for the interior permanent magnet synchronous motor (IPMSM). The method is feasible in the full speed range from zero speed to the flux-weakening… read more here.
Keywords: adaptive sensorless; speed; speed range; control ... See more keywords
Induction Motor Design Strategy for Wide Constant Power Speed Range
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2018.2885691
Abstract: This paper presents a design strategy of an induction motor (IM) for a wide constant power speed range (CPSR). The stator inductance is a key parameter that determines a CPSR, because it affects the voltage… read more here.
Keywords: constant power; inductance; design; speed range ... See more keywords
Robust Stability Improvement for Speed Sensorless Induction Motor Drive at Low Speed Range by Virtual Voltage Injection
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2019.2910039
Abstract: The unstable problem of speed sensorless induction motor drives (SSIMDs) at low synchronous speed range has not been solved yet. In this paper, the reason of this unstable problem is concluded as two key points:… read more here.
Keywords: speed; virtual voltage; speed range; stability ... See more keywords
Vibration Suppression for Magnetically Levitated High-Speed Motors Based on Polarity Switching Tracking Filter and Disturbance Observer
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2020.2989710
Abstract: For the unbalance vibration of the rigid rotor system on active magnetic bearings (AMBs) supported high-speed motors in the full rotational speed range, a method based on the polarity switching tracking filter (PSTF) and the… read more here.
Keywords: speed; speed range; vibration; rotational speed ... See more keywords
Stability Analysis and Trajectory Design of a Nonlinear Switching System for Speed Sensorless Induction Motor Drive
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2021.3086712
Abstract: For wide-speed range operation of speed sensorless induction motor drives (SSIMD), the stable operation at low synchronous speed range (including zero synchronous speed) is a great challenge. Virtual voltage injection method is found efficient to… read more here.
Keywords: speed; system; speed range; speed sensorless ... See more keywords
A Unified Wide-Speed Range Sensorless Control Method for Switched Reluctance Machines Based on Unsaturated Reluctance
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3224123
Abstract: A unified unsaturated-reluctance-based wide speed range sensorless control method for switched reluctance machines (SRMs) is proposed in this article. First, the sensitivity analysis of the estimated position to the possible reluctance calculation error is analyzed.… read more here.
Keywords: wide speed; unsaturated reluctance; reluctance; speed range ... See more keywords
High-Order Sliding-Mode Observer With Adaptive Gain for Sensorless Induction Motor Drives in the Wide-Speed Range
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3227272
Abstract: For speed-sensorless induction motor (IM) drives, the high-order sliding-mode observer (SMO) can improve the robustness of speed estimation. However, it is difficult for the existing high-order SMOs to ensure finite-time convergence, resulting in performance degradation… read more here.
Keywords: speed range; speed; wide speed; high order ... See more keywords
Low-friction shaft seal composed of bio-inspired materials covering low-speed range under water environment
Sign Up to like & getrecommendations! Published in 2018 at "Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology"
DOI: 10.1177/1350650117738702
Abstract: Shaft seals with a seal lip are used in various applications to separate gases and fluids, but their sealing function and durability are affected by the extent of lubrication at the dynamic seal faces between… read more here.
Keywords: speed range; water; shaft seal; shaft ... See more keywords