Search Results - "Longya Xu"

Sliding-Mode Sensorless Control of Direct-Drive PM Synchronous Motors for Washing Machine Applications by Chi, Song, Zhang, Zheng, Xu, Longya

“…A new sensorless field-oriented control of direct-drive permanent-magnet synchronous motors based on ldquosliding moderdquo has been studied and applied to…”
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Low-Cost Ferrite PM-Assisted Synchronous Reluctance Machine for Electric Vehicles by Cai, Haiwei, Guan, Bo, Xu, Longya

“…An optimally designed ferrite permanent magnet (PM)-assisted synchronous reluctance machine (PMaSynRM) is presented to demonstrate its feasibility in electric…”
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Dead-Time Compensation of Inverters Considering Snubber and Parasitic Capacitance by Zhang, Zhendong, Xu, Longya

“…In power electronics drive systems, dead time is used to prevent shoot-through over power devices. However, dead time can lead to distortion of ac output…”
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Multioperational Modes and Control Strategies of Dual-Mechanical-Port Machine for Hybrid Electrical Vehicles by Xu, Longya, Zhang, Yuan, Wen, Xuhui

“…A continuous variable transmission based on a planetary gear set is used in a full hybrid electrical vehicle (HEV) to integrate the IC engine and two electric…”
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Development of a High-Temperature Gate Drive and Protection Circuit Using Discrete Components by Qi, Feng, Xu, Longya

“…This paper presents a high-temperature (HT) gate drive and protection circuit for Silicon-Carbide (SiC) power mosfets entirely built from commercial…”
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Decoupled Current Control of Sensorless Induction-Motor Drives by Integral Sliding Mode by Comanescu, Mihai, Xu, Longya, Batzel, Todd D.

“…This paper discusses the problems of current decoupling control and controller tuning associated with sensorless vector-controlled induction-motor (IM) drives…”
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Bridging Dealumination and Desilication for the Synthesis of Hierarchical MFI Zeolites by Yang, Shitu, Yu, Chenxi, Yu, Lili, Miao, Shu, Zou, Mingming, Jin, Changzi, Zhang, Dazhi, Xu, Longya, Huang, Shengjun

“…The rational design of zeolite‐based catalysts calls for flexible tailoring of porosity and acidity beyond micropore dimension. To date, dealumination has been…”
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A Double-End Sourced Wire-Bonded Multichip SiC MOSFET Power Module With Improved Dynamic Current Sharing by Wang, Miao, Luo, Fang, Xu, Longya

“…This paper proposes a double-end sourced layout for multichip SiC MOSFET power module adopting conventional wire-bonded packaging technology. The unique design…”
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Calculation of Maximum Torque Operating Conditions for Inverter-Fed Induction Machine Using Finite-Element Analysis by Cai, Haiwei, Gao, Le, Xu, Longya

“…A procedure to calculate maximum torque operating conditions for the inverter-fed induction machine is proposed in this paper. The proposed procedure minimizes…”
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Optimal Design of Double-Layer Permanent Magnet Dual Mechanical Port Machine for Wind Power Application by Xikai Sun, Xikai Sun, Ming Cheng, Ming Cheng, Wei Hua, Wei Hua, Longya Xu, Longya Xu

“…Dual mechanical port (DMP) machine, a continuous electrical variable transmission, is a very competitive alternative for vulnerable constant speed-ratio…”
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Modeling and Control for Cage Rotor Dual Mechanical Port Electric Machine-Part I: Model Development by Cai, Haiwei, Xu, Longya

“…A new type of electric machine with two free rotating rotors [dual mechanical port (DMP)] is investigated in this paper. Since this DMP machine has a…”
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Modeling and Control for Cage Rotor Dual Mechanical Port Electric Machine-Part II: Independent Control of Two Rotors by Cai, Haiwei, Xu, Longya

“…Application of electric machines in the traction and transmission systems of hybrid/electric vehicles has been studied for many years. The hybrid vehicle based…”
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Dynamic Modeling and Analysis of Z Source Converter-Derivation of AC Small Signal Model and Design-Oriented Analysis by Liu, Jingbo, Hu, Jiangang, Xu, Longya

“…This paper contributes to the AC small signal modeling and analysis of Z source converter (ZSC) in continuous conduction mode. The AC small signal model…”
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Alternative Energy Vehicles Drive System: Control, Flux and Torque Estimation, and Efficiency Optimization by Rehman, Habib-ur, Longya Xu

“…Indirect field-oriented control, direct field-oriented control, and direct torque control are the most widely used instantaneous torque control techniques for…”
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The Dual-Current-Loop Controlled Doubly Fed Induction Motor for EV/HEV Applications by Liu, Yu, Xu, Longya

“…With the proposed dual-current-loop control algorithm, the torque and air-gap flux of a doubly fed induction motor are controlled directly. Compared to the…”
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High-Fidelity Nonlinear IPM Modeling Based on Measured Stator Winding Flux Linkage by Dakai Hu, Alsmadi, Yazan M., Longya Xu

“…This paper focuses on a novel modeling method for interior permanent-magnet (IPM) synchronous machines. This modeling method is based on a stator winding flux…”
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Promoted metal utilization capacity of alkali-treated zeolite: Preparation of Zn/ZSM-5 and its application in 1-hexene aromatization by Li, Yuning, Liu, Shenglin, Xie, Sujuan, Xu, Longya

“…The metal utilization capacity of ZSM-5 zeolite was promoted via the intracrystalline mesopores created by alkali treatment. Parts of the metal species were…”
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An adaptive sliding-mode observer for induction motor sensorless speed control by Li, J., Xu, L., Zhang, Z.

“…An adaptive sliding-mode flux observer is proposed for sensorless speed control of induction motors in this paper. Two sliding-mode current observers are used…”
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Application of zeolite MCM-22 for basic dye removal from wastewater by Wang, Shaobin, Li, Huiting, Xu, Longya

“…MCM-22 was employed as an effective adsorbent for removal of basic dyes including methylene blue, crystal violet, and rhodamine B from aqueous solution. The…”
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Organic template-free synthesis of ZSM-5/ZSM-11 co-crystalline zeolite by Zhang, Ling, Liu, Shenglin, Xie, Sujuan, Xu, Longya

“…[Display omitted] ► ZSM-5/ZSM-11 co-crystalline zeolite was organic template-free synthesized. ► The crystal phase was more sensitive to the aluminum source…”
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