All Outputs (86)

Asynchronous learning-based output feedback sliding mode control for semi-Markov jump systems: a descriptor approach (2024)
Journal Article

This paper presents an asynchronous output-feedback control strategy of semi-Markovian systems via sliding mode-based learning technique. Compared with most literature results that require exact prior knowledge of system state and mode information, a... Read More about Asynchronous learning-based output feedback sliding mode control for semi-Markov jump systems: a descriptor approach.

Parasitic Inductance Impact of a High-Turn-Ratio Half Bridge Active Clamped Converter for More-Electric Aircraft Applications (2024)
Conference Proceeding

Within a More-Electric Aircraft (MEA) dc power distribution system, Half-Bridge-Active-Clamped (HBAC) converters can be used to control the power transfer between different dc buses, for example, between +/-270V to 28V dc buses. However, due to the r... Read More about Parasitic Inductance Impact of a High-Turn-Ratio Half Bridge Active Clamped Converter for More-Electric Aircraft Applications.

Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft (2023)
Conference Proceeding

The more-electric aircraft (MEA) has been seen as the most major trend in the aerospace industry. With the increase in electrified loads, there is the need to generate more electrical power on-board aircraft. Considering regional jet sized aircraft,... Read More about Power Flow Analysis of Advanced Power Generation Centre for More Electric Aircraft.

A Low-Complexity Artificial Neural Network-Based Optimal Droop Gain Design Strategy for DC Microgrids Onboard the More Electric Aircraft (2023)
Journal Article

This article proposes a new droop control design method based on a “reversed data training” of artificial neural network (ANN). Conventionally, after data collection, the ANN is used for forward mapping the control variables (inputs) and system respo... Read More about A Low-Complexity Artificial Neural Network-Based Optimal Droop Gain Design Strategy for DC Microgrids Onboard the More Electric Aircraft.

An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications (2023)
Journal Article

Since three-level neutral-point-clamped (3L-NPC) power generation units bring much competitiveness to the next-generation electric starter/generator (ESG) system for more-electric-aircraft (MEA) applications, the versatile multi-optimized pulse-width... Read More about An Advanced Dual-Carrier-Based Multi-Optimized PWM Strategy of Three-Level Neutral-Point-Clamped Converters for More-Electric-Aircraft Applications.

Dual Phase Shift Modulation Investigation of Half-Bridge-Active-Clamp Converter for Future Electrified Aircraft Applications (2023)
Conference Proceeding

Half bridge active clamp (HBAC) converter is designed for the achievement of a wider voltage conversion range, and it is employed to interface the power transfer between the high voltage and low voltage DC buses in future electrified aircraft applica... Read More about Dual Phase Shift Modulation Investigation of Half-Bridge-Active-Clamp Converter for Future Electrified Aircraft Applications.

Control Strategy of Advanced Power Generation Architecture for More-Electric Aircraft Applications (2023)
Conference Proceeding

To meet the increasing electrical power demand on More Electrical Aircraft (MEA), an advanced power generation architecture (APGA) is proposed. Within the APGA, both two generators produce electrical power and feed loads to the main DC bus through th... Read More about Control Strategy of Advanced Power Generation Architecture for More-Electric Aircraft Applications.

Artificial Intelligence-Based Hierarchical Control Design for Current Sharing and Voltage Restoration in DC Microgrid of the More Electric Aircraft (2023)
Journal Article

In the conventional droop control method employed in the primary control layer, there is an inherent tradeoff between current-sharing accuracy and voltage regulation. Consequently, to achieve both accurate current sharing and maintain the bus voltage... Read More about Artificial Intelligence-Based Hierarchical Control Design for Current Sharing and Voltage Restoration in DC Microgrid of the More Electric Aircraft.

Optimal Droop Control Design Using Artificial Intelligent Techniques for Electric Power Systems of More-Electric Aircraft (2023)
Journal Article

The design of the droop coefficient is one of the challenges for the droop control of converters, as it plays a key role in enhancing the performance of the droop control method. This article proposes an artificial neural network (ANN) based techniqu... Read More about Optimal Droop Control Design Using Artificial Intelligent Techniques for Electric Power Systems of More-Electric Aircraft.

An Advanced Power Generation Architecture for More-Electric Aircraft Applications (2023)
Conference Proceeding

The trend towards development of More Electric Aircraft (MEA) has been driven by increased fuel fossil prices and stricter environmental policies. With breakthroughs in power electronic systems and electrical machines, the targets of MEA to reduce th... Read More about An Advanced Power Generation Architecture for More-Electric Aircraft Applications.

An Improved Model Predictive Torque Control for PMSM Drives Based on Discrete Space Vector Modulation (2023)
Journal Article

In this article, an improved model predictive torque control (MPTC) method based on discrete space vector modulation (DSVM) is proposed for permanent magnet synchronous motor (PMSM) drives. Aiming at solving the two problems of large torque ripples a... Read More about An Improved Model Predictive Torque Control for PMSM Drives Based on Discrete Space Vector Modulation.

Fundamental PWM Excitation Based Rotor Position Estimation for a Dual Three-Phase Permanent Magnet Synchronous Machine (2022)
Journal Article

Two rotor position estimation methods for a dual three-phase (DTP) permanent magnet synchronous machine (PMSM) are investigated in this paper, where the rotor position is estimated by exploiting the saliency of the motor through the phase current der... Read More about Fundamental PWM Excitation Based Rotor Position Estimation for a Dual Three-Phase Permanent Magnet Synchronous Machine.

Inverse application of artificial intelligence for the control of power converters (2022)
Journal Article

This paper proposes a novel application method, Inverse Application of Artificial Intelligence (IAAI) for the control of power electronic converter systems. The proposed method can give the desired control coefficients/references in a simple way beca... Read More about Inverse application of artificial intelligence for the control of power converters.

Speed/Torque Ripple Reduction of High-speed Permanent Magnet Starters/Generators with Low Inductance for More Electric Aircraft Applications (2022)
Journal Article

With the electrification trend of future aircraft, high-speed Permanent Magnet Starters/Generators (PMS/Gs) will potentially be widely used in onboard generation systems due to their high power density and high efficiency. However, the per-unit react... Read More about Speed/Torque Ripple Reduction of High-speed Permanent Magnet Starters/Generators with Low Inductance for More Electric Aircraft Applications.

Field Weakening Design for a High Speed Nine-phase Permanent Magnet Synchronous Machine in More Electric Aircraft (2022)
Conference Proceeding

High speed multi-phase permanent magnet synchronous machine (PMSM) offers increased power density and fault-tolerant ability, which qualifies it a promising solution for the ever-increasing power and reliability demands of more electric aircraft (MEA... Read More about Field Weakening Design for a High Speed Nine-phase Permanent Magnet Synchronous Machine in More Electric Aircraft.

Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives (2022)
Journal Article

In the aircraft electric starter/generator system, the three-level neutral-point-clamped converters play a crucial role in driving turbofan engines and delivering onboard electrical power. However, the conventional pulsewidth modulation (PWM) strateg... Read More about Hybrid Active Modulation Strategy for Three-Level Neutral-Point-Clamped Converters in High-Speed Aerospace Drives.

Mild hybridisation of turboprop engine with high-power-density integrated electric drives (2022)
Journal Article

This paper shares with the aerospace community a case study of turboprop mild hybridisation using a recently developed integrated drive system in the University of Nottingham, UK, within the ACHIEVE project under EU H2020 CleanSky 2 program (project... Read More about Mild hybridisation of turboprop engine with high-power-density integrated electric drives.

Comparative Study of Sensorless Methods Based on Sliding Mode Observer for Dual Three-Phase Permanent Magnet Synchronous Machine (2021)
Conference Proceeding

In recent years, increased attentions have been given to multiphase electrical machines because of their fault tolerance ability which is quite important for more-electric aircraft application. A dual three-phase PMSM for turboprop aircraft green tax... Read More about Comparative Study of Sensorless Methods Based on Sliding Mode Observer for Dual Three-Phase Permanent Magnet Synchronous Machine.

Model predictive control for a dual three-phase two-sector permanent magnet synchronous machine (2021)
Conference Proceeding

A novel dual three-phase permanent magnet synchronous machine is designed for taxiing motor-generator on propeller aircraft. The unique structre of machine enhances system reliability, and also brings extra merits such as reducing torque ripple when... Read More about Model predictive control for a dual three-phase two-sector permanent magnet synchronous machine.

An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives (2021)
Journal Article

This paper introduces an advanced space vector modulation technique for three-level neutral-point-clamped (3L-NPC) converters. The studied 3L-NPC converters within aircraft electric starter generator (ESG) systems normally operate at high modulation... Read More about An Advanced Modulation Technique Featuring Neutral Point Voltage Ripple Suppression of Three-Level Converters in High-Speed Drives.