Number of items at this level: **160**.

## A

Abdul Jabbar, Mohamed Haroon
(2019)
*Design and development of dialysate temperature control module prototype for hemodialysis.*
PhD thesis, University of Nottingham.

Acuña Ureta, David E.
(2020)
*Theoretical foundations of uncertain event prognosis and predictive Bayesian Cramer-Rao bounds.*
PhD thesis, University of Nottingham.

Adamu, Murtala Zungeru
(2013)
*Energy-efficient routing algorithms based on swarm intelligence for wireless sensor networks.*
PhD thesis, University of Nottingham.

Agbedahunsi, Alex Taiwo
(2013)
*Frequency control for microgrids using enhanced STATCOM and supercapacitor energy storage.*
PhD thesis, University of Nottingham.

Ahmed, Mohamed Huzam
(2019)
*Modelling a grid connected distributed generating photovoltaic system for the capital city of Maldives : an engineering and economic assessment.*
MPhil thesis, University of Nottingham.

Ahmed, Sanjana
(2019)
*Assessing the benefits of storage applied to energy communities.*
PhD thesis, University of Nottingham.

Akdogan, Volkan
(2016)
*Thermoelectric power generator for automotive applications.*
PhD thesis, University of Nottingham.

Akpolat, Zuhtu Hakan
(1999)
*Application of fuzzy-sliding mode control and electronic load emulation to the robust control of motor drives.*
PhD thesis, University of Nottingham.

Al-Timimy, Ahmed Abdul Al-Kareem Hussen
(2019)
*Advancing the design and modelling processes for high performance electrical machines.*
PhD thesis, University of Nottingham.

Albatati, Faisal Ali S.
(2015)
*Investigation of environmentally friendly power generation systems for low-grade waste heat recovery.*
PhD thesis, University of Nottingham.

Aliyu, Attahir Murtala
(2017)
*On-board health monitoring of power modules in inverters driving induction motors.*
PhD thesis, University of Nottingham.

Arumugam, Puvaneswaran
(2013)
*Design and modelling of permanent magnet machine's windings for fault-tolerant applications.*
PhD thesis, University of Nottingham.

Athab, Ahmed Dhahir
(2020)
*Validating the SubSAR technique for buried feature detection using satelllite SAR data.*
PhD thesis, University of Nottingham.

## B

Bao, Yuli
(2020)
*Analysis, design and optimization of
synchronous reluctance machines (SynRels)
for improved performance considering
different rib configurations.*
PhD thesis, University of Nottingham.

Bardalai, Anuvav
(2019)
*Winding AC loss reduction techniques in the slot of high – frequency electrical machines.*
PhD thesis, University of Nottingham.

Basarudin, Hanim
(2020)
*Optimal sizing of standalone hybrid energy system using a novel multi-objective evolutionary algorithm.*
PhD thesis, University of Nottingham.

Bersch, Kevin
(2019)
*Thermal optimisation of the stator vent design for a synchronous generator.*
PhD thesis, University of Nottingham.

Bishop, Matthew T.
(2019)
*Single-source precursor deposition of low-toxicity sulphides for thin film photovoltaic devices.*
PhD thesis, University of Nottingham.

Blasco Giménez, Ramón
(1995)
*High performance sensorless vector control of induction motor drives.*
PhD thesis, University of Nottingham.

Blissett, Jonathan
(2019)
*A wholistic motor design philosophy for electric motorcycles in motorsport.*
PhD thesis, University of Nottingham.

Bottomley, Jack S.
(2014)
*Self-sensing permanent magnet servo motors.*
PhD thesis, University of Nottingham.

Bouzoukas, Asterios
(2008)
*New approaches for cooling photovoltaic/thermal (PV/T) systems.*
PhD thesis, University of Nottingham.

Buckley, Gary
(2017)
*Fault detection and tolerance of electrical machines in automotive applications.*
PhD thesis, University of Nottingham.

## C

Chae, Jung Hoon
(2014)
*Supercapacitors with neutral aqueous electrolytes.*
PhD thesis, University of Nottingham.

Chen, Jingsi
(2010)
*Towards single photon detection with a practical EMCCD.*
MSc(Res) thesis, University of Nottingham.

Chong, Lee Wai
(2020)
*Intelligent renewable energy storage and management system for rural household.*
PhD thesis, University of Nottingham.

## D

Daley, Patrick James
(2019)
*An optimised advanced ash fusion test for power generators.*
EngD thesis, University of Nottingham.

De Lillo, Liliana
(2006)
*A matrix converter drive system for an aircraft rudder electro-mechanical actuator.*
PhD thesis, University of Nottingham.

Dedenbach, Johannes
(2016)
*Low cost, high integrity plasmatron joining for automotive body in white manufacture.*
PhD thesis, University of Nottingham.

Di Nardo, Mauro
(2017)
*Design of high speed synchronous reluctance machine.*
PhD thesis, University of Nottingham.

Diaz, Matias
(2017)
*Control of the modular multilevel matrix converter for wind energy conversion systems.*
PhD thesis, University of Nottingham.

Duan, Yu
(2012)
*A comparison of saliency based sensorless control techniques for a PM machine.*
PhD thesis, University of Nottingham.

Dusek, Jiri
(2017)
*Machines with non-conventional topologies for more electric applications.*
PhD thesis, University of Nottingham.

## E

Ebrahim, Mohammed Taha
(1995)
*A very high speed switched reluctance generator.*
PhD thesis, University of Nottingham.

ElHassan, Nemat Hassan Ahmed
(2017)
*Development of phase change memory cell electrical circuit model for non-volatile multistate memory device.*
PhD thesis, University of Nottingham.

Elmer, Theo
(2015)
*A novel SOFC tri-generation system for building applications.*
PhD thesis, University of Nottingham.

## G

Galassini, Alessandro
(2018)
*Distributed speed control for multi-three-phase motors with enhanced power sharing capabilities.*
PhD thesis, University of Nottingham.

Galea, Michael
(2013)
*High performance, direct drive machines for aerospace applications.*
PhD thesis, University of Nottingham.

Gao, Fei
(2016)
*Decentralised control and stability analysis of a multi-generator based electrical power system for more electric aircraft.*
PhD thesis, University of Nottingham.

Garibaldi, Michele
(2018)
*Laser additive manufacturing of soft magnetic cores for rotating electrical machinery: materials development and part design.*
PhD thesis, University of Nottingham.

Gibson, Andrew
(2017)
*Resonant core spectroscopies of model molecular solar cells.*
PhD thesis, University of Nottingham.

Goodman, Andrew Simon
(2007)
*Direct energy converter controllers for switched reluctance motor operation.*
PhD thesis, University of Nottingham.

Grundy, Andrew
(2012)
*Congestion control framework for delay-tolerant communications.*
PhD thesis, University of Nottingham.

## H

Hard, Kevin
(2005)
*PEM fuel cell multi-phase system.*
PhD thesis, University of Nottingham.

Herring, Jonathan L.
(1993)
*Developments in the transmission-line modelling method for electromagnetic compatibility studies.*
PhD thesis, University of Nottingham.

Hua, Yahan
(2009)
*Sensorless control of surface mounted permanent magnet machine using fundamental PWM excitation.*
PhD thesis, University of Nottingham.

Huang, Junqi
(2021)
*Energy efficient and runtime based approximate computing techniques for image processing applications: an integrated approach covering circuit to algorithmic level.*
PhD thesis, University of Nottingham.

Hussein, Abdallah Suliman
(2019)
*SiC-based power electronics for wind energy applications.*
PhD thesis, University of Nottingham.

## J

Jasim, Omar
(2010)
*An extended induction motor model for investigation of faulted machines and fault tolerant variable speed drives.*
PhD thesis, University of Nottingham.

Jayamaha, Prasanthi Charmalee
(2015)
*Energy storage for frequency support in weak electrical grids.*
PhD thesis, University of Nottingham.

Jiang, Hui
(2012)
*Audible noise reduction in the high frequency injection based sensorless torque control for EPS applications.*
PhD thesis, University of Nottingham.

## K

Kalita, Karuna
(2007)
*Integrating rotordynamic and electromagnetic dynamic models for flexible-rotor electrical machines.*
PhD thesis, University of Nottingham.

Kampisios, Konstantinos T.
(2010)
*Electrical machines parameter identification using genetic algorithms.*
PhD thesis, University of Nottingham.

Khan, Md. Shahrukh Adnan
(2017)
*Low cost vertical axis wind energy harvesting system using supercapacitors for rural Malaysia.*
PhD thesis, University of Nottingham.

Khera, Fatma
(2021)
*Analysis, design and evaluation of quasi Z-Source modular multilevel converter.*
PhD thesis, University of Nottingham.

Khowja, Muhammad Raza
(2019)
*Integrated passive filter inductors for motor drive applications.*
PhD thesis, University of Nottingham.

Knott, Andrew N.
(2018)
*3D printing of light trapping structures for dye-sensitised solar cells.*
PhD thesis, University of Nottingham.

Kone, Jean-Paul
(2018)
*CFD modelling and simulation of multiphase flow in a PEM fuel cell using OpenFOAM.*
PhD thesis, University of Nottingham.

Kong, Jia Hao
(2018)
*Low-complexity, low-area computer architectures for cryptographic application in resource constrained environments.*
PhD thesis, University of Nottingham.

Kounnos, Petros
(2018)
*Hierarchical control framework to exploit community energy storage for both local and system benefit.*
PhD thesis, University of Nottingham.

Kow, Ken Weng
(2020)
*An intelligent power management system with active learning prediction engine for pv grid-tied systems.*
PhD thesis, University of Nottingham.

Kutlu, Cagri
(2020)
*A novel a-Si PV/T solar cogeneration system using the coupled thermal storage/ORC as an alternative to battery.*
PhD thesis, University of Nottingham.

## L

La Rocca, Antonino
(2016)
*Thermal analysis of a high speed electrical machine.*
PhD thesis, University of Nottingham.

La Rocca, Salvatore
(2019)
*Thermal modelling of a totally enclosed fan-cooled electrical machine.*
PhD thesis, University of Nottingham.

Law, Kah Haw
(2015)
*Enhanced decoupling current scheme with selective harmonic elimination pulse width modulation for cascaded multilevel inverter based static synchronous compensator.*
PhD thesis, University of Nottingham.

Lawan, Abdurrahman Umar
(2019)
*Enhanced decoupled current control with compensation algorithm for modular multilevel converter based static synchronous compensator.*
PhD thesis, University of Nottingham.

Le Quesne, John
(1997)
*Organic materials for photovoltaic devices.*
PhD thesis, University of Nottingham.

Lee, Meng Yeong
(2009)
*Three-level neutral-point-clamped matrix converter topology.*
PhD thesis, University of Nottingham.

Lei, Shurong
(2019)
*Heat-pipe based thermal management designs for Lithium-ion batteries.*
PhD thesis, University of Nottingham.

Li, Jiaqi
(2021)
*Vibration analysis and investigation of synchronous reluctance motor.*
PhD thesis, University of Nottingham.

Li, Yuexiang
(2016)
*An investigation of automatic processing techniques for time-lapse microscope images.*
PhD thesis, University of Nottingham.

Li, Yuezhao
(2020)
*Novel cascaded control systems for microfluidic devices.*
PhD thesis, University of Nottingham.

Liu, Chuan
(2020)
*Experimental investigation of oil spray cooling in electrical machines with hairpin windings.*
PhD thesis, University of Nottingham.

Low, Sze Shin
(2018)
*Graphene/zinc oxide nanocomposite : a versatile platform for electrochemical-based genosensor.*
PhD thesis, University of Nottingham.

Low, Wei Hau
(2021)
*Hybridisation of mixed transition metal oxide with graphene as advanced electrode material for symmetric supercapacitor application.*
PhD thesis, University of Nottingham.

## M

Ma, Xiaoli
(2004)
*Investigation of novel thermoelectric refrigeration systems.*
PhD thesis, University of Nottingham.

Mak, Kuok Hang
(2011)
*Vibration modelling and analysis of piezoelectric energy harvesters.*
PhD thesis, University of Nottingham.

Mason, Nicholas J.
(2011)
*Space vector modulation of a 4-leg matrix converter.*
PhD thesis, University of Nottingham.

Mayor, Louise Charlotte
(2009)
*The adsorption and charge-transfer dynamics of model dye-sensitised solar cell surfaces.*
PhD thesis, University of Nottingham.

McCartney, Damon Andrew
(2013)
*Development of the AnimalSeek method to evaluate the localisation ability of children under five.*
PhD thesis, University of Nottingham.

Micallef, Christopher
(2006)
*End winding cooling in electric machines.*
PhD thesis, University of Nottingham.

Mistry, Priyen C.
(2016)
*Coated metal hydrides for stationary energy storage applications.*
PhD thesis, University of Nottingham.

Mohamed Elsherif, Mohamed Assad Hashem
(2016)
*Mapping multiplexing technique (MMT): a novel intensity modulated transmission format for high-speed optical communication systems.*
PhD thesis, The University of Nottingham.

Mohammad Naim, Nur Nafisah
(2015)
*Modelling the ageing behaviour of supercapacitors using electrochemical impedance spectroscopy for dynamic applications.*
PhD thesis, University of Nottingham.

Mohammed, Ahmed M.
(2017)
*Considerations on the use of solid material for high performance, tubular linear motors.*
PhD thesis, University of Nottingham.

Morley, Andrew
(2018)
*Advances in numerical modelling of waveguide discontinuities in a microwave receiver protector.*
MRes thesis, University of Nottingham.

Murataliyev, Mukhammed
(2021)
*Novel sizing and modeling techniques for synchronous reluctance machines.*
PhD thesis, University of Nottingham.

## N

Najeeb, Najla
(2017)
*Design, fabrication and evaluation of a label-free silicon-on-insulator “Lab on a Chip” optical biosensor.*
PhD thesis, University of Nottingham.

Naylor, Phillip
(1986)
*Coupling between electromagnetic waves and wires using transmission-line modelling.*
PhD thesis, University of Nottingham.

Newton, Christopher
(1999)
*The control and operation of the five level diode clamped inverter.*
PhD thesis, University of Nottingham.

Ngo, Anh Cat Le
(2015)
*Digital system for bio-inspired visual attention processing fast and efficient information theoretic modelling of saliency.*
PhD thesis, University of Nottingham.

Nuzzo, Stefano
(2018)
*On the damper cage of salient-pole synchronous generators.*
PhD thesis, University of Nottingham.

## O

Oke, Oluwabukola A.
(2013)
*Enhanced unscented transform method for probabilistic load flow studies.*
PhD thesis, University of Nottingham.

Oluwajobi, Festus Idowu
(2020)
*Novel binary/multilevel Manchester based modulation technique for high-speed communication systems.*
PhD thesis, University of Nottingham.

Ong, Jia Jan
(2016)
*Hardware realization of discrete wavelet transform cauchy Reed Solomon minimal instruction set computer architecture for wireless visual sensor networks.*
PhD thesis, University of Nottingham.

Orlowski, Rafal John
(1976)
*Ultrasonic echo reinforcement for the blind.*
PhD thesis, University of Nottingham.

Othman, Md Nazri Bin
(2012)
*Design and evaluation of high power density brushless DC permanent magnet machines.*
PhD thesis, University of Nottingham.

## P

Palmer, Duncan.
(2011)
*Position estimation using the Digital Audio Broadcast (DAB) signal.*
PhD thesis, University of Nottingham.

Panagiotou, Konstantina
(2018)
*Design recommendations and sizing guidelines for small
scale grid-connected decentralised energy systems.*
PhD thesis, University of Nottingham.

Papini, Luca
(2018)
*Performance calculation of high speed solid rotor induction machine.*
PhD thesis, University of Nottingham.

Pezeshki, Hamed
(2021)
*Lab-on-a-chip technology platform for biophotonic applications.*
PhD thesis, University of Nottingham.

Photong, Chonlatee
(2013)
*A current source inverter with series AC capacitors for transformerless grid-tied photovoltaic applications.*
PhD thesis, University of Nottingham.

## Q

Quadri, Syed Quadir Hussain
(2020)
*On the analysis and modelling of the effects of high frequency harmonics on classical synchronous generators.*
PhD thesis, University of Nottingham.

## R

Rajab, Maher I.
(2003)
*Neural network edge detection and skin lesions image segmentation methods: analysis and evaluation.*
PhD thesis, University of Nottingham.

Ramalho, Mário António da Silva Neves
(1996)
*Edge detection using neural network arbitration.*
PhD thesis, University of Nottingham.

Raute, Reiko
(2009)
*Sensorless control of AC machines for low and zero speed operation without additional test signal injection.*
PhD thesis, University of Nottingham.

Reyes-Moraga, Eduardo Felipe
(2015)
*Predictive control of a direct series resonant converter with active output voltage compensation.*
PhD thesis, University of Nottingham.

Rohouma, Wesam M.M.
(2013)
*Design control and implementation of a four-leg matrix converter for ground power supply application.*
PhD thesis, University of Nottingham.

Romli, Muhammad Izuan Fahmi
(2018)
*Solar energy management system with supercapacitors for rural application.*
PhD thesis, University of Nottingham.

Rose, Christopher James
(2016)
*An adaptive D-STATCOM control scheme utilising impedance estimation.*
PhD thesis, University of Nottingham.

Rovere, Luca
(2019)
*SVPWM zero-sequence voltage elimination for the dual fed common dc-link open-end winding PMSM high-speed starter-generator.*
PhD thesis, University of Nottingham.

## S

Sabitu, Rabiu Imam
(2020)
*Modelling of novel photonic devices based on micro-structure engineered for space division multiplexing optical communication system.*
PhD thesis, University of Nottingham.

Salis, Valerio
(2019)
*Stability analysis of AC power system in the linear time periodic framework.*
PhD thesis, University of Nottingham.

Sattar, Rauf
(2016)
*Exterior rotor permanent magnet generator in variable speed applications.*
MPhil thesis, University of Nottingham.

Sciascera, Claudio
(2017)
*Design of short time duty permanent magnet electrical machines.*
PhD thesis, University of Nottingham.

Shahaj, Annabel
(2010)
*Mitigation of vibration in large electrical machines.*
PhD thesis, University of Nottingham.

Shao, Yingjuan
(2011)
*Development and evaluation of a biomass-fired micro-scale CHP with organic rankine cycle.*
PhD thesis, University of Nottingham.

Shaohong, Zhu
(2021)
*Fractional slot concentrated winding PM synchronous motors for transport electrification applications.*
PhD thesis, University of Nottingham.

Shi, Bowen
(2018)
*High performance permanent magnet electrical machine for electrical vehicle applications.*
PhD thesis, University of Nottingham.

Siew, Qi Yan
(2020)
*One-step green hydrothermal synthesis of biocompatible graphene/titanium dioxide nanocomposites: towards the development of highly sensitive and selective electrochemical immunosensor for dengue diagnosis.*
PhD thesis, University of Nottingham.

Silbernagel, Cassidy
(2019)
*Investigation of the design, manufacture and testing of additively manufactured coils for electric motor applications.*
PhD thesis, University of Nottingham.

Silva, César Armando
(2003)
*Sensorless vector control of surface mounted permanent magnet machines without restriction of zero frequency.*
PhD thesis, University of Nottingham.

Soorani, Mitra
(2018)
*Needle-based ultrasonic diagnostic tool.*
MPhil thesis, University of Nottingham.

Srithorn, Phinit
(2009)
*Control of a statcom with supercapacitor energy storage.*
PhD thesis, University of Nottingham.

Stevenson, Anthony John
(2017)
*Development of a novel electrochemical pyroprocessing methodology for spent nuclear fuels.*
PhD thesis, University of Nottingham.

Sumner, M.
(1990)
*Vector controlled induction motor drive using transputer parallel processors.*
PhD thesis, University of Nottingham.

Sumsurooah, Sharmila
(2017)
*Robust stability analysis of power electronic systems.*
PhD thesis, University of Nottingham.

Sünter, Sedat
(1995)
*A vector controlled matrix converter induction motor drive.*
PhD thesis, University of Nottingham.

## T

Tami, Abdelkader
(1995)
*Modelling of rotor defects in squirrel cage induction motors using the time stepping numerical field analysis.*
PhD thesis, University of Nottingham.

Tan, Chye Cheah
(2016)
*Medical image registration and soft tissue deformation for image guided surgery system.*
PhD thesis, University of Nottingham.

Thomas, David William Phillip
(1990)
*Protection of major transmission lines using travelling-waves.*
PhD thesis, University of Nottingham.

Thomas-Hillman, Ieuan
(2021)
*Large scale microwave synthesis of Metal-Organic Frameworks.*
PhD thesis, University of Nottingham.

Turl, Gary
(2002)
*A synchronised multi-motor control system using hybrid sensorless induction motor drives.*
PhD thesis, University of Nottingham.

Twaha, Ssennoga
(2018)
*Regulation of power generated from thermoelectric generators.*
PhD thesis, University of Nottingham.

Tweedy, Oliver
(2021)
*Multi-physics modelling of a grid connected diesel engine driven synchronous generator set for the analysis of transient low voltage ride through performance.*
PhD thesis, University of Nottingham.

## U

Ungku Amirulddin, Ungku Anisa
(2006)
*Analysis and simulation of vector controlled bearingless induction motors.*
PhD thesis, University of Nottingham.

Ure, Alexander David
(2017)
*Understanding the influence of mineralogy and microwave energy input on the microwave treatment of copper ores.*
PhD thesis, University of Nottingham.

## V

Valente, Giorgio
(2018)
*Radial force control of bearingless multi-sector permanent magnet machines.*
PhD thesis, University of Nottingham.

Vodden, John Alan
(2012)
*Modulation techniques for the cascaded H-bridge multi-level converter.*
PhD thesis, University of Nottingham.

## W

Wakatsuchi, Hiroki
(2011)
*Computational studies of the electromagnetic properties of metamaterials and applications.*
PhD thesis, University of Nottingham.

Wang, Tianhao
(2017)
*Self-sensing permanent magnet machine.*
PhD thesis, University of Nottingham.

Wang, Yinli
(2021)
*Design of high speed wound field synchronous generators.*
PhD thesis, University of Nottingham.

Wang, Zhenyu
(2019)
*Silicon carbide power devices in multi-port active bridge converter for shipboard micro-grid applications.*
PhD thesis, University of Nottingham.

Warren, Mark
(2007)
*The development of a 3-Pass Persistent Scatterer algorithm using the Integer Ambiguity Search method.*
PhD thesis, University of Nottingham.

Webb, Philip Francis
(1994)
*An ultrasonics based system for the extraction of range and bearing data for multiple targets.*
PhD thesis, University of Nottingham.

White, Roger D.
(1992)
*Computer modelling techniques for industrial and marine cyclo-converter drives.*
PhD thesis, University of Nottingham.

Wong, Kin Nyap
(2017)
*Synthesis of nano lead oxide for the application of lead-acid energy storage devices.*
MPhil thesis, University of Nottingham.

Wong, Voon-Kean
(2018)
*Development of a dynamic model for piezoelectric raindrop energy harvesting.*
PhD thesis, University of Nottingham.

Wood, C. J.
(2017)
*Improving the performance of photocathodes in tandem dye-sensitised solar cells.*
PhD thesis, University of Nottingham.

## X

Xiong, Hao
(2013)
*Antenna array geometries and algorithms for direction of arrival estimation.*
MRes thesis, University of Nottingham.

## Y

YAN, Zhuge
(2020)
*Reduced complexity on video encoding for wireless multimedia sensor networks.*
PhD thesis, University of Nottingham.

YUAN, Qilong
(2020)
*Fabrication and applications of graphene-diamond heterostructures.*
PhD thesis, University of Nottingham.

Yan, Jingjing
(2020)
*Self-adaptive fire evacuation by using self-designed 3D indoor positioning system.*
PhD thesis, University of Nottingham.

Yang, Sen
(2020)
*Cuff-less blood pressure estimation with photoplethysmogram and electrocardiogram signals.*
PhD thesis, University of Nottingham.

Yao, Li
(2006)
*Magnetic field modelling of machine and multiple machine systems using dynamic reluctance mesh modelling.*
PhD thesis, University of Nottingham.

## Z

Zhang, Fengyu
(2020)
*Experimental investigation and thermal modelling of slot cooling improvement for electrical machines.*
PhD thesis, University of Nottingham.

Zhang, Guangcheng
(2018)
*Smart energy harvesting utilizing flow-induced techniques.*
PhD thesis, University of Nottingham.

Zhang, Lanyun
(2018)
*Using mobile technology to facilitate the user experience of group holiday decision-making.*
PhD thesis, University of Nottingham.

Zhang, Tianru
(2021)
*Enhanced sensorless control of interior permanent magnet synchronous motors based on nonlinear extended state observers.*
PhD thesis, University of Nottingham.

Zheng, Xiaofeng
(2013)
*Exploration and development of domestic thermoelectric cogeneration system.*
PhD thesis, University of Nottingham.

This list was generated on **Fri Sep 17 19:44:15 2021 UTC**.