Jian‐Xin Shen
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View article: Isogeometric analysis for flow-induced vibration of U tubes in steam generators
Isogeometric analysis for flow-induced vibration of U tubes in steam generators Open
View article: Development and validation of a prediction model for new vertebral fracture after percutaneous kyphoplasty
Development and validation of a prediction model for new vertebral fracture after percutaneous kyphoplasty Open
Percutaneous kyphoplasty (PKP) is one of the primary treatment options for osteoporotic vertebral compression fractures (OVCF). New vertebral compression fractures (NVCF) are common complications following PKP. This study aims to identify …
View article: TokenSwift: Lossless Acceleration of Ultra Long Sequence Generation
TokenSwift: Lossless Acceleration of Ultra Long Sequence Generation Open
Generating ultra-long sequences with large language models (LLMs) has become increasingly crucial but remains a highly time-intensive task, particularly for sequences up to 100K tokens. While traditional speculative decoding methods exist,…
View article: Benchmark Feature Detection Method for Mobile Robot Automatic Drilling System Integrated with Deep Learning
Benchmark Feature Detection Method for Mobile Robot Automatic Drilling System Integrated with Deep Learning Open
Benchmark feature detection is critical in mobile robot automatic drilling systems for compensating robot accuracy and assembly errors in aerospace manufacturing. System accuracy is influenced by reference feature recognition, which is oft…
View article: Electromagnetic Forces and Vibrations Under Stator and Rotor Reference Frames in Permanent Magnet Synchronous Machines
Electromagnetic Forces and Vibrations Under Stator and Rotor Reference Frames in Permanent Magnet Synchronous Machines Open
The electromagnetic force plays a significant role in contributing to torque ripple and electromagnetic vibration in permanent magnet synchronous machines (PMSMs), thereby impacting the noise, vibration, and harshness (NVH) performance. Ho…
View article: Maximum Torque per Ampere Control of PMSMs Using Real-Time Numerical Optimization
Maximum Torque per Ampere Control of PMSMs Using Real-Time Numerical Optimization Open
This paper proposes a novel online maximum torque per ampere (MTPA) control method for permanent magnet synchronous motors (PMSMs) that addresses nonlinearities such as magnetic saturation and cross-coupling effects. A flux-linkage based n…
View article: An Area‐ and Energy‐Efficient RRAM‐Based 6T1R Non‐Volatile SRAM Cell for Edge Devices
An Area‐ and Energy‐Efficient RRAM‐Based 6T1R Non‐Volatile SRAM Cell for Edge Devices Open
This work proposes a 6T1R non‐volatile SRAM (nvSRAM) cell based on resistive memory (RRAM) with a small area overhead and low store power compared to previous designs. It features (1) reusing the transistors in the SRAM cell for accessing …
View article: Investigation of Torque and Reduction of Torque Ripples through Assisted-Poles in Low-Speed, High-Torque Density Spoke-Type PMSMs
Investigation of Torque and Reduction of Torque Ripples through Assisted-Poles in Low-Speed, High-Torque Density Spoke-Type PMSMs Open
In this article, rotor designs utilizing assisted-poles are investigated for a high-torque density spoke-type permanent magnet synchronous machine (PMSM) with fractional slot concentrated winding (FSCW) to explore the rich air-gap magnetic…
View article: Utility and Application of a Versatile Analytical Method for MMF Calculation in AC Machines
Utility and Application of a Versatile Analytical Method for MMF Calculation in AC Machines Open
A versatile analytical method (VAM) for calculating the harmonic components of the magneto-motive force (MMF) generated by diverse armature windings in AC machines has been proposed, and the versatility of this method has been established …
View article: Vibration Suppression for Active Magnetic Bearings Using Adaptive Filter with Iterative Search Algorithm
Vibration Suppression for Active Magnetic Bearings Using Adaptive Filter with Iterative Search Algorithm Open
Active Magnetic Bearing (AMB) is a kind of electromagnetic support that makes the rotor movement frictionless and can suppress rotor vibration by controlling the magnetic force. The most common approach to restrain the rotor vibration in A…
View article: Long-term air pollution and adverse meteorological factors might elevate the osteoporosis risk among adult Chinese
Long-term air pollution and adverse meteorological factors might elevate the osteoporosis risk among adult Chinese Open
Objective This study aims to investigate the relationship between exposure to air pollution and adverse meteorological factors, and the risk of osteoporosis. Methods We diagnosed osteoporosis by assessing bone mineral density through Dual-…
View article: Optimal Design Method of Post-Assembly Magnetizing Device with Field–Circuit Coupling Analysis
Optimal Design Method of Post-Assembly Magnetizing Device with Field–Circuit Coupling Analysis Open
Post-assembly magnetization can significantly simplify the manufacturing of the rotor of permanent magnet (PM) electrical machines. The optimization of the post-assembly magnetizing device using finite element analysis (FEA) is time-consum…
View article: Differences in the prevalence and risk factors of osteoporosis in chinese urban and rural regions: a cross-sectional study
Differences in the prevalence and risk factors of osteoporosis in chinese urban and rural regions: a cross-sectional study Open
Background Bone mineral density (BMD) and prevalence of osteoporosis may differ between urban and rural populations. This study aimed to investigate the differences in BMD characteristics between urban and rural populations in Jiangsu, Chi…
View article: A Versatile Analytical Method of Investigating MMF Harmonics of Armature Windings
A Versatile Analytical Method of Investigating MMF Harmonics of Armature Windings Open
Analytical methods are of great interest for the design and analysis of AC machines. This paper proposes a new analytical method to study the harmonic rotating components of the magneto motive force (MMF) produced by various types of armat…
View article: Compressive creep behavior of Ti-6Al-4V-xSi-ySc alloys under high-pressure at room temperature
Compressive creep behavior of Ti-6Al-4V-xSi-ySc alloys under high-pressure at room temperature Open
One of the characteristics of Titanium alloys is that they are prone to creep due to the service conditions under high-pressure, such as deep-sea equipment. The compressive properties and deformation mechanism of Ti-6Al-4V-xSi-ySc alloys a…
View article: Experimental Study on Characteristics Variation of Permanent Magnets for High-speed Machine Applications
Experimental Study on Characteristics Variation of Permanent Magnets for High-speed Machine Applications Open
High-speed permanent magnet (PM) electric machines are widely used. However, their extreme operating conditions, e.g., high temperature and high mechanical stress, lead to variations of the PM characteristics and affect the machine perform…
View article: Feature Investigation of a Segmented Pole Quasi- <i>Halbach</i> Tubular-Linear Synchronous Machine
Feature Investigation of a Segmented Pole Quasi- <i>Halbach</i> Tubular-Linear Synchronous Machine Open
The paper is aimed at an investigation of the features of a tubular-linear synchronous quasi-Halbach machine (T-LSM) where the radially-magnetized PMs are substituted by four equal segments with parallel magnetization. This substitution is…
View article: Analysis of Synergistic Stator Permanent Magnet Machine With the Synergies of Flux-Switching and Flux-Reversal Effects
Analysis of Synergistic Stator Permanent Magnet Machine With the Synergies of Flux-Switching and Flux-Reversal Effects Open
Dual permanent magnet (PM) machines have attracted numerous interests due to the high torque density and compact volume. This paper investigates a synergistic PM machines with the synergies of flux switching and flux reversal effects. The …
View article: Message from editors
Message from editors Open
In recent years, 4th Industrial Revolution and Industry 4.0 have swept the world and deeply influenced the development of global industry market. This movement arises wide attention to electric motor drive system which is playing an increa…
View article: Square-wave drive for synchronous reluctance machine and its torque ripple analysis
Square-wave drive for synchronous reluctance machine and its torque ripple analysis Open
Synchronous reluctance machine (SynRM) can be perceived as a special type of permanent magnet synchronous machine (PMSM), and shares similar control method, i.e. the sine-wave current drive with sinusoidal phase currents. In this paper, sq…
View article: Radial electromagnetic force and vibration in synchronous reluctance motors with asymmetric rotor structures
Radial electromagnetic force and vibration in synchronous reluctance motors with asymmetric rotor structures Open
Asymmetrical rotor topologies were previously proposed for synchronous reluctance motors (SynRM) to reduce the torque ripple. However, potential negative effect of these topologies on mechanical vibration, which is often serious in SynRM, …
View article: Theory of symmetric winding distributions and a general method for winding MMF harmonic analysis
Theory of symmetric winding distributions and a general method for winding MMF harmonic analysis Open
One of the main challenges in motor design is the winding layout, including winding distributions and magnetomotive force (MMF) harmonic analysis. Considering some shortcomings in the existing theories for winding distributions and difficu…
View article: Cytokine activin C ameliorates chronic neuropathic pain in peripheral nerve injury rodents by modulating the TRPV1 channel
Cytokine activin C ameliorates chronic neuropathic pain in peripheral nerve injury rodents by modulating the TRPV1 channel Open
Background and Purpose The cytokine activin C is mainly expressed in small‐diameter dorsal root ganglion (DRG) neurons and suppresses inflammatory pain. However, the effects of activin C in neuropathic pain remain elusive. Experimental App…
View article: International Poster Session
International Poster Session Open
Dental pulp stem cell(DPSC)transplantation has been demonstrated to promote the regeneration and repair of tissues and organs and is a potentially effective treatment for radioactive esophageal injury.In this study, to explore the therapeu…
View article: High-speed permanent magnet electrical machines — applications, key issues and challenges
High-speed permanent magnet electrical machines — applications, key issues and challenges Open
In this paper, application examples of high-speed electrical machines are presented, and the machine structures are categorized. Key issues of design and control for the high-speed permanent magnet machines are reviewed, including bearings…
View article: Wide speed range permanent magnet synchronous generator design for a DC power system
Wide speed range permanent magnet synchronous generator design for a DC power system Open
A wide speed range permanent magnet synchronous generator (PMSG) system is studied in this paper, including the PMSG design and comparative study on control strategies with a pulse width modulation (PWM) rectifier, the purpose of which is …
View article: Design methods of transversally laminated synchronous reluctance machines
Design methods of transversally laminated synchronous reluctance machines Open
Transversally laminated synchronous reluctance machine (SynRM) are usually designed with multiple-layer flux barriers to achieve high electromagnetic performance. This paper summarizes three design methods to optimize the machine. Related …
View article: Voltage Stabilization Control of Wide-Speed-Range Permanent-Magnet Synchronous Generator Systems
Voltage Stabilization Control of Wide-Speed-Range Permanent-Magnet Synchronous Generator Systems Open
DC power systems have a constant DC-link voltage, as well as the advantages such as high stability, high efficiency, small size and light weight; therefore, they are widely used in stand-alone power systems, e.g. the power systems in aircr…
View article: Analysis and measure of novel stereo-garage driven by linear induction motor
Analysis and measure of novel stereo-garage driven by linear induction motor Open
The car access time is a key parameter, especially in a huge stereo-garage, where this one should be decreased as much as possible. This paper proposes a novel stereo-garage. Adopting the linear induction motors (LIMs), the system has a si…