All Outputs (155)

Decoupled Model for Asymmetrical Dual Three Phase Permanent Magnet Synchronous Machine (2019)
Conference Proceeding

This paper presents a decoupled modeling method for asymmetrical dual three phase (DTP) permanent magnet synchronous machine (PMSM). Due to the special structure of this machine, traditional decoupled method cannot be applied on it. This paper propos... Read More about Decoupled Model for Asymmetrical Dual Three Phase Permanent Magnet Synchronous Machine.

Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application (2019)
Journal Article

A design procedure for the dual active bridge (DAB) converter is presented, which aims to optimised power density and computational effort. When designing a DAB, the selection of circuit design parameters such as switching frequency, leakage inductan... Read More about Analytical modelling and power density optimisation of a single phase dual active bridge for aircraft application.

Flux control modulation for the dual active bridge DC/DC converter (2019)
Journal Article

This paper introduces a modulation technique for the single-phase dual active bridge (DAB) in which the switching frequency and transformer flux linkage are modulated to achieve improved power transfer characteristics and reduced converter losses. By... Read More about Flux control modulation for the dual active bridge DC/DC converter.

A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application (2019)
Conference Proceeding

This paper presents a new electricity power generation architecture for the engine system of more electric aircraft (MEA). A starter/generator (SG) is connected to high-pressure (HP) spool, and a generator is attached to low-pressure (LP) spool. Thei... Read More about A Dual-Channel Enhanced Power Generation Architecture with Back-to-back Converter for MEA Application.

Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition (2019)
Conference Proceeding

This paper presents two post-fault compensation strategies for the distributed current control of a nine-phase Permanent-Magnet Synchronous Machine (PMSM). The dynamic performance in faulty condition is guaranteed by keeping the current loop bandwidt... Read More about Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition.

Finite state machine control for aircraft electrical distribution system (2019)
Journal Article

This study deals with the development of new control logic for more electric aircraft (MEA) electrical power systems (EPSs). A key aspect of the MEA concept is that traditional pneumatic and hydraulic loads are replaced by electrical equivalents. The... Read More about Finite state machine control for aircraft electrical distribution system.

On-board microgrids for the More Electric Aircraft: technology review (2018)
Journal Article

This paper presents an overview of technology related to on-board microgrids for the More Electric Aircraft. All aircraft use an isolated system, where security of supply and power density represent the main requirements. Different distribution syste... Read More about On-board microgrids for the More Electric Aircraft: technology review.

Variable voltage bus concept for aircraft electrical power system (2018)
Journal Article

The paper deals with the innovative concept of "variable voltage" bus concept for future more-electric aircraft platforms. Using new functionalities and opportunities offered by innovative sources actively controlled by power electronics, there is an... Read More about Variable voltage bus concept for aircraft electrical power system.

Direct vector control of induction motors based on rotor resistance-invariant rotor flux observer (2018)
Conference Proceeding

A novel speed-flux tracking controller for induction motors has been developed and experimentally verified. Direct rotor flux field oriented controller is designed for current-fed induction motor model on the base of full order hybrid continuous time... Read More about Direct vector control of induction motors based on rotor resistance-invariant rotor flux observer.

Comparative Study Of Back EMF Based Sensorless Control Methods For Dual Three-Phase PMSM (2018)
Conference Proceeding

Multiphase electrical machines have gained increased attentions recently due to its fault tolerance capability which is of great importance for more-electric aircraft application. This paper studies sensorless control of a high-speed dual three-phase... Read More about Comparative Study Of Back EMF Based Sensorless Control Methods For Dual Three-Phase PMSM.

Thermal Analysis of High Power High Voltage DC Solid State Power Controller (SSPC) for Next Generation Civil Tilt Rotor-craft (2018)
Conference Proceeding

This paper explores different possible topologies of a high-power high-voltage bidirectional DC solid state power controller (SSPC) for aerospace applications. The most suitable topology is then selected for design and implementation of the SSPC. A d... Read More about Thermal Analysis of High Power High Voltage DC Solid State Power Controller (SSPC) for Next Generation Civil Tilt Rotor-craft.

An Enhanced Power Generation Centre for More Electric Aircraft Applications (2018)
Conference Proceeding

© 2018 IEEE. The more-electric aircraft (MEA) concept has become a major trend due to its multiple advantages. Many functions which are conventionally driven by pneumatic, hydraulic and mechanical power systems are replaced by electrical ones onboard... Read More about An Enhanced Power Generation Centre for More Electric Aircraft Applications.

A Review of Torque Ripple Minimization Techniques in Switched Reluctance Machine (2018)
Conference Proceeding

Torque ripple is a major problem in Switched Reluctance Machine (SRM). Despite the high torque ripple and vibration, SRM has many advantages over many other machines. In this paper, the torque ripple minimization control techniques commonly used are... Read More about A Review of Torque Ripple Minimization Techniques in Switched Reluctance Machine.

Performance Analysis of PMSM for High-Speed Starter-Generator System (2018)
Conference Proceeding

© 2018 IEEE. This paper presents the operating characteristics of surface-mounted permanent magnet synchronous machine taking into account the influence of stator resistance and inductance variation at high frequencies, whose effect are always neglec... Read More about Performance Analysis of PMSM for High-Speed Starter-Generator System.

Multi-Objective Supervisory Control for DC/DC Converters in Advanced Aeronautic Applications (2018)
Journal Article

In this paper, an intelligent control strategy for DC/DC converters is proposed. The converter connects two DC busses, a high-voltage and a low-voltage bus. The control scheme is composed by a two-layer architecture, a low-level control based on the... Read More about Multi-Objective Supervisory Control for DC/DC Converters in Advanced Aeronautic Applications.

Experimental study of power exchange using a twin spool engine emulator (2018)
Conference Proceeding

The More Electric Aircraft (MEA) nad , with electrical machines on both HP and LP shafts and the advancements in power electronics, makes it possible to transfer power electrically from one spool to another. Preliminary results have shown considerabl... Read More about Experimental study of power exchange using a twin spool engine emulator.

Potential improvements in turbofan idle steady state and transient performance (2018)
Conference Proceeding

Once the engine is designed, imbalanced air massflow between LP and HP compressors at low speed settings is inevitable which enforces implementing of bleeding. However, by emerging More Electric Aircraft (MEA) with electrical machines on both HP and... Read More about Potential improvements in turbofan idle steady state and transient performance.

A reliability approach for the MEA power system architecture design optimization problem (2018)
Conference Proceeding

In the literature, there has been thorough research on reliability-based design in different fields. However, aircraft power system investigations have mostly dealt with sub-system optimization. Hence, there is considerable potential to excel innova... Read More about A reliability approach for the MEA power system architecture design optimization problem.

Generator overload reduction using smart power management (2018)
Conference Proceeding

Weight reduction is a key driver in the aerospace sector. Every kilogram of weight reduction has significant benefits over the aircraft’s life cycle. This paper introduces a smart power management technique which is able to reduce the overload on the... Read More about Generator overload reduction using smart power management.

3L-NPC AC-DC power converter using virtual space vector PWM with optimal switching sequence based on G-h coordinate (2018)
Conference Proceeding