High-speed interior permanent magnet synchronous machines. This project aims to develop a permanent magnet machine for high speed operation (more than 50,000 rpm). A high-speed interior permanent magnet machine will solve some of the complex constructional and sensor-less control issues related to high-speed drive systems. This project will develop permanent magnet machines with simple constructional features, reduced use of costly rare earth materials, inherent sensor-less control capability an ....High-speed interior permanent magnet synchronous machines. This project aims to develop a permanent magnet machine for high speed operation (more than 50,000 rpm). A high-speed interior permanent magnet machine will solve some of the complex constructional and sensor-less control issues related to high-speed drive systems. This project will develop permanent magnet machines with simple constructional features, reduced use of costly rare earth materials, inherent sensor-less control capability and flux-weakening. These machines are expected to be used in many global growth sectors including aerospace, automotive, manufacturing, energy generation and storage.Read moreRead less
A novel high-bandwidth sensorless controller for IPM synchronous machines. Sensorless control of interior permanent magnet synchronous machines (IPMSM) has undergone many developments lately. Existing low-bandwidth sensorless controllers have so far limited the use of such controllers to low-performance applications. High-bandwidth position sensing, resulting in the actuating machine to be utilised as its own position sensor, is required in a truly vast range of sensorless and fast responsive el ....A novel high-bandwidth sensorless controller for IPM synchronous machines. Sensorless control of interior permanent magnet synchronous machines (IPMSM) has undergone many developments lately. Existing low-bandwidth sensorless controllers have so far limited the use of such controllers to low-performance applications. High-bandwidth position sensing, resulting in the actuating machine to be utilised as its own position sensor, is required in a truly vast range of sensorless and fast responsive electric drive systems in industry. The project's proposed method, demonstrated for the first time in 2013 via modelling, is a new method of high-bandwidth sensorless control of the IPMSM. The project’s aim is to fully develop this method via further modelling and experimentation.Read moreRead less
Advanced fault tolerant drives for safety critical applications. The key aim of this project is to develop an electrical drive system with enhanced tolerance to system faults. The research is significant as it aims to satisfy the demands of emerging high-reliability applications for electric drive systems utilising a patented concentrated-wound permanent magnet machine. Applications for the research include the automotive, aerospace and resource sectors which are global growth sectors. A new hig ....Advanced fault tolerant drives for safety critical applications. The key aim of this project is to develop an electrical drive system with enhanced tolerance to system faults. The research is significant as it aims to satisfy the demands of emerging high-reliability applications for electric drive systems utilising a patented concentrated-wound permanent magnet machine. Applications for the research include the automotive, aerospace and resource sectors which are global growth sectors. A new high-quality model of the machine is expected to be realised. This new model is proposed to then inform the development of suitable control techniques for the machine driven by fault-tolerant inverter topologies. The research is then planned to be demonstrated on prototype research machines and the system performance compared with existing state-of-the-art technology.Read moreRead less
Diamond lasers for precision applications. Diamond lasers for precision applications. The project aims to create single mode lasers of ultrahigh spectral brightness. Single-mode lasers could improve many areas of science and technology, but existing technologies do not meet all performance requirements. This project will harness the intrinsic properties of diamond Raman lasers to increase the wavelength reach, power and stability of single mode lasers. The expected outcome is laser technology th ....Diamond lasers for precision applications. Diamond lasers for precision applications. The project aims to create single mode lasers of ultrahigh spectral brightness. Single-mode lasers could improve many areas of science and technology, but existing technologies do not meet all performance requirements. This project will harness the intrinsic properties of diamond Raman lasers to increase the wavelength reach, power and stability of single mode lasers. The expected outcome is laser technology that satisfies the needs of emerging markets, for example in gas sensing and atom cooling.Read moreRead less
Discovery Early Career Researcher Award - Grant ID: DE130101033
Funder
Australian Research Council
Funding Amount
$375,000.00
Summary
An ultrafast mid-infrared fiber laser: short pulses at long wavelengths. This project will result in the creation of a unique laser system, operating in the mid-infrared wavelength range and generating short bursts of light, which will have a potentially revolutionary impact in many areas of physics, health, defence and astronomy.
A brighter future: the pure-quartic soliton laser. This project aims to build an innovative, ultrafast laser based on the recent discovery of pure-quartic solitons, a new class of optical soliton. Investigating these solitons in their own right will provide new insights into the physics of soliton formation and propagation. The concept of the pure-quartic soliton laser is expected to lead to the transformation of ultrafast science and related applications with the benefit of to improving efficie ....A brighter future: the pure-quartic soliton laser. This project aims to build an innovative, ultrafast laser based on the recent discovery of pure-quartic solitons, a new class of optical soliton. Investigating these solitons in their own right will provide new insights into the physics of soliton formation and propagation. The concept of the pure-quartic soliton laser is expected to lead to the transformation of ultrafast science and related applications with the benefit of to improving efficiency, and significantly reducing the cost of high-energy ultrafast lasers. The project aims to provide benefits in ultrafast science, industrial materials processing, laser surgery, and molecular spectroscopy.Read moreRead less
Producing optimally short pulses at long wavelengths. This project aims to make the fluoride glass fibre platform the preferred material for generating ultrashort pulses at 2.8 nm and beyond. High power and efficiency from simple device architectures are essential for industry, medicine and defence. Modern sources of short pulses of light emitting mid-infrared wavelengths are complicated and inefficient. This project will improve fibre sources emitting short pulses and create the essential build ....Producing optimally short pulses at long wavelengths. This project aims to make the fluoride glass fibre platform the preferred material for generating ultrashort pulses at 2.8 nm and beyond. High power and efficiency from simple device architectures are essential for industry, medicine and defence. Modern sources of short pulses of light emitting mid-infrared wavelengths are complicated and inefficient. This project will improve fibre sources emitting short pulses and create the essential building blocks for future all-fibre arrangements that will be more robust. The sources are expected to have applications in non-linear optics and materials modification.Read moreRead less
Dynamic model and mechanical sensorless controller for a novel concentrated-winding interior permanent magnet machine for electric vehicles. The fractional-slot, concentrated-wound (FSCW) interior permanent magnet (IPM) machine offers very high power density, efficiency and constant-power speed range which are properties sought after for electric vehicles. Accurate mathematical models are essential for high performance control of the FSCW machine. This project seeks to develop these models, as w ....Dynamic model and mechanical sensorless controller for a novel concentrated-winding interior permanent magnet machine for electric vehicles. The fractional-slot, concentrated-wound (FSCW) interior permanent magnet (IPM) machine offers very high power density, efficiency and constant-power speed range which are properties sought after for electric vehicles. Accurate mathematical models are essential for high performance control of the FSCW machine. This project seeks to develop these models, as well as sensorless controllers for the FSCW IPM machine.Read moreRead less
Laser emission at the limit of glass transparency using nanocrystal doping . We will create a new composite glass providing strong fluorescence which fully exploits the high transmission of glass in the mid-infrared. When combined with emerging rare earth ion transitions and precise excitation processes, this project will help solve an important problem in optics; that the overall efficiency and power produced from deep mid-infrared light sources is not sufficient for all industries. The primary ....Laser emission at the limit of glass transparency using nanocrystal doping . We will create a new composite glass providing strong fluorescence which fully exploits the high transmission of glass in the mid-infrared. When combined with emerging rare earth ion transitions and precise excitation processes, this project will help solve an important problem in optics; that the overall efficiency and power produced from deep mid-infrared light sources is not sufficient for all industries. The primary outcome will be a series of robust fibre-based gain modules suitable for high power and very short optical pulses in the mid-infrared. These light sources will beneficially impact medicine, defence, sensing and manufacturing providing excellent opportunities for increasing Australian productivity and global competitiveness. Read moreRead less
Extending Remaining Useful Life of Second-life Battery Energy Systems. The project aims to develop a framework to reuse second-life battery packs with different degradation levels. This includes a novel machine learning and online battery state estimation algorithm that does not require past use case historical data of the SLBs, an advanced control algorithm to balance the energy in each battery pack and an optimized modular inverter architecture with integrated voltage boosting capability to ma ....Extending Remaining Useful Life of Second-life Battery Energy Systems. The project aims to develop a framework to reuse second-life battery packs with different degradation levels. This includes a novel machine learning and online battery state estimation algorithm that does not require past use case historical data of the SLBs, an advanced control algorithm to balance the energy in each battery pack and an optimized modular inverter architecture with integrated voltage boosting capability to manage the batteries and meet the control objectives. This benefits not only the environment through delayed e-waste or recycling cycles but also helps the Australian manufacturing sector through a circular economy of energy products and services.Read moreRead less