Yujing Liu
After 17 years working in ABB Corporate Research with the last position of Senior Principal Scientist, Yujing Liu became a full professor in 2013 on electrical power engineering at Chalmers with focus on the applications of electrical machines and power electronics in sustainable electrical systems. Yujing Liu leads his research team to develop innovative and cost-effective solutions for renewable energy conversion and transportation electrification. Some examples of on-going research include (1) electrical machines for high sustainability (up to 400 kW); (2) SiC inverters with high performance (up to 500 kW); (3) motor emulator and control; (4) drive systems for vehicle applications; (5) electrification of heavy-duty off-road equipment; and (6) inductive power transfer (up to 500 kW). He has been Chalmers' project leader in 4 EU Horizon2020 projects and 2 EU Marie-Curie projects. He teaches the course "Electrical Machines: Design and Analysis" for about 80 master students every year and the course "High Efficiency Electrical Machines" and "Power Converters with Wide Bandgap devices" for PhD students. Now he supervises 4 postdoc, 5 PhD students, and a dozen master students. Since 2018 he acts also as the Head of Unit for Electrical Machines and Power Electronics at Dept. of Electrical Engineering at Chalmers.
Showing 88 publications
Zero Voltage Switching for High Power Threephase Inductive Power Transfer with a Dual Active Bridge
Revolutionizing Mobility: The Second Life of Onboard Charging Systems in Commercial Vehicles
Optimal Dimensioning of DC Link Capacitor for Traction Machine and Drive Cycles
Fast and Accurate Non-linear Model for Synchronous Machines Including Core Losses
Analysis of DC Bus Bar Inductance on Performance of 2-level Inverter
Digital Control Implementation for Coupling Independent IPT Systems without Communication
A Mechanical-Hardware-in-the-Loop Test Bench for Verification of Multi-Motor Drivetrain Systems
Active Balancing of Reconfigurable Batteries Using Reinforcement Learning Algorithms
Common Mode Power Control of Three-Phase Inverter for Auxiliary Load without Access to Neutral Point
Chance-constrained robust co-design optimization for fuel cell hybrid electric trucks
A Novel Approach of Electric Powertrain Co-Simulation with High Fidelity Vehicle Model
Experimental Characterization of Fuel Cells, Supercapacitors, and Their Passive Connection
A Hybrid Energy Storage System with Reconfigurability and Fast Equalisation
Acceleration-based wheel slip control realized with decentralised electric drivetrain systems
Sizing and Management of Fuel Cell Based Powertrains for City Ferry Applications
Lithium-ion Battery State of Health Estimation with Recurrent Convolution Neural Networks
Joint Component Sizing and Energy Management for Fuel Cell Hybrid Electric Trucks
Experimental evaluation of conductor insulations used in e-mobility traction motors
Accelerated destructive experiment design of motor stator winding insulation systems
Drive Cycle Energy Efficiency of Fuel Cell/Supercapacitor Passive Hybrid Vehicle System
A Review on Different Aspects of Traction Motor Design for Railway Applications
Energy Efficiency Comparison of Hybrid Powertrain Systems for Fuel-Cell-Based Electric Vehicles
Sizing and energy efficiency analysis of a multi-phase FSCW PMSM drive for traction application
Design of Maximum Power Point Tracking for Dynamic Power Response of Tidal Undersea Kite Systems
Loss Reduction by Synchronous Rectification in a 50 kW SiC-based Inductive Power Transfer System
A Full Power Range ZVS Control Technology for Bidirectional Inductive Power Transfer System
Thermal and Manufacturing Aspects of Traction Motors Potting: A Deep Experimental Evaluation
A New Battery Active Balancing Method with Supercapacitor Considering Regeneration Process
Designing Thermally Uniform Heatsink with Rectangular Pins for High-Power Automotive SiC Inverters
Modelling and simulation of fuel cell/ supercapacitor passive hybrid vehicle system
Rotor Design of Line-Start Synchronous Reluctance Machine With Round Bars
Design and Stray Field Evaluation of Inductive Power Transfer in Electric Vehicle Charging
Comparisons of Concentrated and Distributed Winding PMSM in MV Power Generation
A Comparative Study of Fuel Cell Electric Vehicles Hybridization with Battery or Supercapacitor
Feed-Forward Control for Active Voltage Balancing in Electric Drives with Five-Level NPC Converters
Multiple electrical machines applied for high drive train efficiency
Commutation Torque-ripple Minimization for Brushless DC Motor Based on Quasi-Z-Source Inverter
Generator Speed Control and Experimental Verification of Tidal Undersea Kite Systems
Direct-on-line-start permanent-magnet-assisted synchronous reluctance machine with ferrite magnets
High frequency exciter of electrically excited synchronous motors for vehicle applications
Sensorless control of a PMSM with a transmission system including shunt branches
Finite element analysis of end ring impedance in squirrel cage induction machines
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Showing 32 research projects
Long lifetime drive inverter for heavy-duty electric vehicles (LongDrive)
eProFoil - Electric Propulsion System for Foiling Craft
Battery environmental conditions for safe operation in electric ships
High performance electric driveline for electric drill rigs (E-drill)
Hydropower operation and lifetime analysis
Sustainable and Efficient Motor Drive System for E-mobility Applications (SEMDY)
Power electronics optimisation for next generation electric vehicle components (PowerDrive)
HIPO - Integrated High-speed Power Systems for Industry and Mobile Applications
HipeDrive - Högpresterande drivlina för fullelektriska tunga lastbilar och premium personbilar
48V powertrain FFI concept study
Development of high reliability motor drives for next generation propulsion applications (DORNA)
Dynamic reconfiguration of vehicle battery systems
Trends in Energy Storage Technologies (TEST)
AI-assisted real-time digital twin for electric drivetrains
Electrification of marine urban transport systems - Pre-study charging
Electrification of marine urban transport systems - Charging Prestudy
Modular inductive power transfer (IPT) for high power vehicle charging
iTEM - Integrated Transmission and Electric Motor
Propeller-integrated motor drive for electric medium size boats
Floating voltage fuel cell drive system
Integrated Modular Distributed Drivetrain for Electric/Hybrid Vehicles
Cost-effective drivetrains for fuel cell powered EVs
Integrerade drivsystem för elektriska fordon
Variable Flux Machine for electric vehicles
Power Take-Off System for a Subsea Tidal Kite (PowerKite)