Barry Cardwell BSc, PhD, CEng, MIET
Systems Software Consultant
Telephone : +44 (0)7775 886921
Electrical / Electronic / Software Engineering
Systems Technical Expert - Railways
PROFESSIONAL EMPLOYMENT SUMMARY
Overview - Expert technical trouble-shooter and problem solver. Proven ability to apply multi-disciplinary skills to determine unique engineering solutions.
Core skills - Simulation, Safety (EMC and reliability), Software
1990 onwards: Cecube Ltd, Nottingham, UK, Director - Traction Consultant
1985 - 1990 : Brush Traction Ltd, Loughborough, UK, Principal Systems Engineer - Drives Development
1987 - 1992 : The Open University, The Octagon, Nottingham, UK, Engineering Project Tutor and Supervisor
1981 - 1985 : Marconi Command & Control Systems, Camberley, UK, Senior Systems Engineer - Maths Modelling and Control
KEY SKILLS & EXPERIENCE
- Simulation development of electrical railway systems, including traction PWM, signalling and track infrastructure systems. Expert knowledge and application of modelling methodology and techniques using bespoke structured Software and proprietary simulator packages, SPICE, SABER, and MATLAB/Simulink.
- Safety consultancy on EMC and RAMs matters (FTA, FMECA, HAZID & QRA) pertaining to traction equipment and Safety Case documentation to EN50126. Stock includes Class 460 DC EMU, Class 334 & 357 AC EMU, Class 390 WCML Pendolino & Class 92 freight locomotive. Specialist in Simulation and Safety assessment of rolling stock regenerative braking.
- Software systems (Embedded & Simulation) - UNIX, Windows, VMS, DOS, MicroVAX, 68k and 96k DSP. Expert with considerable library of bespoke railway application Software using C/C++, Java, Delphi (Pascal), FORTRAN, VB and assembler. Safety critical Software, QA and audit methods and documentation performed to EN50128 standard.
EDUCATION AND PROFESSIONAL QUALIFICATIONS
1990 : CEng, The Engineering Council, UK
1980 : PhD, 'Optimal control of industrial DC drives', University of Birmingham, UK
1976 : BSc(Hons) and undergraduate year prize, University of Birmingham, UK
1990 onwards: Cecube Ltd, Nottingham, UK, Director - including control of sub-contract staff
- Detailed cost-benefit analysis on LU traction energy management and savings for reducing railway carbon footprint
- Notified Body conformity assessor for CTRL Class 395 with Energy TSI, 96/48/EC
- Development and validation of Topological Simulation to evaluate interaction between neighbouring railways for EMC compliance and Safety assessment.
- Safety assessment into credible fault modes affecting EMC compliance of diesel powered rolling stock on electrified and non-electrified railways.
- Safety Case support (SW and EMC) to various UK rail classes including Class 465, 458, 460, 334, 319, Eurostar and LUL Central Line stock.
- SPICE modelling of Class 318/321 power circuit to determine cause of surge suppression network failures.
- Resolving cause of Class 323 motor vibration resonance failures by bespoke simulation software, including PWM and detailed electrical/mechanical rotor modelling.
- Design, simulation and real-time software specification of field vector control system (AC motor) for small, prototype electric bus project belonging to Leicestershire County Council. Bus successfully tested on and off public roads.
- Authored real-time torque control traction production software and safety assessment of later Supervisor SIL2 modifications to traction software on Networker fleet.
- Modelling of electrical track infrastructure and OLE on WCML to evaluate EMC of Class 390 tilting trains within constraints of the existing rail network infrastructure. DC track circuit Safety Case procured thereby.
- Responsible for 50Hz track circuit Safety Case approval for Juniper (Class 460) rolling stock on UK DC electrified railways.
- Extensive traction simulation of AC 6MW 9E locomotive (SA) for enhanced control and DC motor current sharing optimisation.
- Simulation software for AC and DC supplied propulsion to verify signalling interference compatibility, including UK Class 92 and modified Class 315 stock, Taiwan locomotives, Malaysian, Korean and Singapore EMUs, battery locomotives for Hong Kong, and subway cars for New York, Warsaw and Shanghai.
- Responsible for design of first UK railway peak seeking adhesion control system, successfully introduced on Class 60 freight locomotives.
- Design of the chopper control system for Docklands LRV and stabilisation of the chopper controlled LUL Central Line propulsion equipment using field current control.
1985 - 1990 : Brush Traction Ltd, Loughborough, UK, Principal Systems Engineer
- Control system design and real-time implementation of traction AC induction motor drives.
- Bespoke, complex simulation software and validation of a Networker, 4-car EMU system.
- Heavy freight locomotive control system simulation and design.
- Study of traction load dynamics including the wheel/rail interface.
- Specification and technical author. Customer liaison at technical meetings.
1981 - 1985 : Marconi Command & Control Systems, Camberley, UK Senior Systems Engineer
- Responsible for development and simulation of target tracking algorithms (Kalman filters) on Blindfire Rapier.
- Servo control position system modelling and testing.
1987 - 1992 : The Open University, The Octagon Nottingham, UK, Engineering Project Tutor and Supervisor (part time)
- Tutoring and assessment of final year students.
- Examples of final year projects tutored:
Software control of antenna positioning
Locomotive speed control systems
1992 onwards: IET, Peer reviewer and referee for 3 IET journals
- Over the period since 1980, 10 authored papers published for various IET publications, colloquia and meetings.