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My research activities are focused on specification, verification and analysis techniques which allow engineers to design a system and to verify/explore its behaviour in terms of functional correctness, safety, performance, power consumption and energy efficiency. My work includes both formal methods and traditional simulation-based approaches. I have a strong background in computational logic, especially formal verification, declarative programming languages and their implementation, abstract machines, compilation techniques and meta programming.
Now that I am fully back after parental leave, I have re-started my research with three new funded research projects.
I am engaged in new research that explores Energy Transparency from hardware to software over the entire system stack. The ENTRA (Whole Systems Energy Transparency) project is funded by the EC under the recent FP7 FET call on Minimizing Energy Consumption of Computing to the Limit (MINECC).
I am also active at the Bristol Robotics Lab advancing the state of the art in verification of autonomous assistive robots, including robotis directly involved in interactions with humans. The EPSRC is funding two new projects in this area.
An area of ongoing research interest of mine is the application of machine learning techniques in order to automate the parts within the verification process that consume large amounts of engineering time, such as test generation and debug.
I teach leading edge Design Verification techniques and methods using industrial strength tools including both state-of-the-art coverage-driven simulation/test-based verification and formal verification. You may want to watch an interview I gave at DAC 2012 in San Francisco on the content of the Design Verification unit.
Since 2007 Bristol has been selected as lead university to head the Cadence Academic Network in the area of Advanced Verification Methodology. (local CAN info)
In collaboration with a consortium of local microelectronic design companies I have initiated the introduction of the MSc in Advanced Microelectronic Systems Engineering in 2006. I have been the Director of this MSc programme until 2010. The programme is now one of our established Advanced MSc programmes; it attracts excellent students and provides qualified graduates for the local and international microelectronics design industry.
I have established Design Automation and Verification as a research and teaching area of international recognition here at Bristol. I set up and now chair the Energy-Aware COmputing workshop series and research initiative. I also lead the "Verification and Validation for Safety in Robots" research theme at the Bristol Robotics Laboratory. My research activities are focused on the development of system modelling, verification and analysis techniques which allow designers to define a system and to verify or explore its behaviour, e.g. in terms of functional correctness, performance, power dissipation and energy efficiency. My work includes both formal methods and state-of-the-art test-based approaches.
- verification; validation and test
- design automation and verification
- formal verification and specification
- energy aware computing
- energy efficient computing
- autonomous systems safety and trust
- formal methods
- robot safety
University of Bristol positions
Professor of Computer ScienceDepartment of Computer Science
DescriptionTo be genuinely useful, robotic assistants may need to be clever and powerful; this may also make them dangerous. Demonstrable safety is a prerequisite for robots to be trusted. How…
Managing organisational unit
01/12/2016 to 15/07/2017
01/12/2016 to 01/12/2019
DescriptionThe TeamPlay project aims to develop new, formally-motivated, techniques that will allow execution time, energy usage, security, and other important non-functional properties of parallel software to be treated effectively, and…
01/04/2014 to 31/03/2017
Goal-constrained planning domain model verification of safety properties
- Conference contribution
- Conference paper
Communications of the ACM
- Accepted/In press
Performance and Energy Trade-Offs for Parallel Applications on Heterogeneous Multi-Processing Systems