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Items by Akehurst, Dr Sam

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Number of items: 63.

Vagg, C., Akehurst, S., Brace, C. J. and Ash, L., 2014. Model-based Optimal Control of a Hybrid Electric Vehicle Using Stochastic Dynamic Programming. In: 6th Conference on Simulation and Testing for Automotive Electronics, 2014-05-15 - 2014-05-16, Berlin.

Burke, R. D., Zhang, N., Duda, T., Brace, C. J., Akehurst, S., Capon, G., Dowell, P. G. and Davies, P., 2014. Experimental and analytical investigation of implementing a ball bearing turbocharger on a production diesel engine. In: 11th International Conference on Turbochargers and Turbocharging, 2014-05-13 - 2014-05-14, London.

Lewis, A. G. J., Akehurst, S., Turner, J., Patel, R. and Popplewell, A., 2014. Observations on the Measurement and Performance Impact of Catalyzed vs. Non Catalyzed EGR on a Heavily Downsized DISI Engine. SAE International Journal of Engines, 7 (1), pp. 458-467.

Lewis, A. G. J., Akehurst, S., Remmert, S.M., Cracknell, R.F., Head, R., Schuetze, A., Turner, J.W.G. and Popplewell, A., 2014. Octane Response in a Downsized, Hihgly Boosted Direct Injection Spark Ignition Engine. SAE International Journal of Fuels and Lubricants, 7 (1), pp. 131-143.

Hu, B., Akehurst, S., Brace, C. J., Copeland, C. D. and Turner, J., 2014. 1-D Simulation Study of Divided Exhaust Period for a Highly Downsized Turbocharged SI Engine - Scavenge Valve Optimization. SAE International Journal of Engines, 7 (3).

Turner, J.W.G., Popplewell, A., Patel, R., Johnson, T.R., Darnton, N.J., Richardson, S., Bredda, S.W., Tudor, R.J., Bithell, C.I., Jackson, R., Remmert, S.M., Cracknell, R.F., Fernandes, J.X., Lewis, A. G. J., Akehurst, S., Brace, C. J., Copeland, C. D., Martinez-Botas, R., Romagnoli, A. and Burluka, A.A., 2014. Ultra Boost for Economy : Extending the Limits of Extreme Engine Downsizing. SAE International Journal of Engines, 7 (1), pp. 387-417.

Burke, R. D., Baumann, W., Akehurst, S. and Brace, C. J., 2014. Dynamic modelling of diesel engine emissions using the parametric Volterra series. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 228 (2), pp. 164-179.

Tang, H., Pennycott, A., Akehurst, S. and Brace, C., 2014. Forthcoming. A review of the application of variable geometry turbines to the downsized gasoline engine. International Journal of Engine Research

Rose, A. T. J. M., Akehurst, S. and Brace, C. J., 2013. Investigation into the trade-off between the part-load fuel efficiency and the transient response for a highly boosted downsized gasoline engine with a supercharger driven through a continuously variable transmission. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 227 (12), pp. 1674-1686.

Lewis, A. G. J., Brace, C. J., Akehurst, S., Turner, J., Popplewell, A., Richardson, S. and Bredda, S.W., 2013. Ultra Boost for Economy : Realizing a 60% downsized engine concept. In: IMechE Internal Combustion Engines: Performance, Fuel Economy and Emissions Conference, 2013-11-19 - 2013-11-19, London.

Zhang, K., Akehurst, S., Pennycott, A. and Hawley, J. G., 2013. Steady-state emulation of a diesel engine air charging system through real-time turbocharger modelling. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 227 (10), pp. 1459-1470.

Tang, H., Burke, R., Akehurst, S. and Brace, C., 2013. Predicting the trade-off between turbine inlet temperature and engine fuel economy in a turbocharged gasoline engine. In: International Congress on Engine Processes, 2013-06-06 - 2013-06-07, Berlin.

Vagg, C., Brace, C. J., Hari, D., Akehurst, S., Poxon, J. and Ash, L., 2013. Development and field trial of a driver assistance system to encourage eco-driving in light commercial vehicle fleets. IEEE Transactions on Intelligent Transportation Systems, 14 (2), 6459602.

Zhang, Q., Brace, C., Akehurst, S., Burke, R., Capon, G., Smith, L., Garrett, S. and Zhang, K., 2013. Simulation study of the series sequential turbocharging for engine downsizing and fuel efficiency : SAE Technical Paper 2013-01-0935. In: SAE 2013 World Congress & Exhibition, 2013-04-14 - 2013-04-18, Detroit.

Hari, D., Brace, C., Vagg, C., Akehurst, S., Ash, L. and Strong, R., 2013. Development and testing of a low cost high performance hybrid vehicle electric motor : SAE Technical Paper 2013-01-1760. In: SAE 2013 World Congress & Exhibition, 2013-04-14 - 2013-04-18, Detroit.

Vagg, C., Brace, C., Hari, D., Akehurst, S. and Ash, L., 2013. A driver advisory tool to reduce fuel consumption : SAE Technical Paper 2012-01-2087. In: 5th International Environmentally Friendly Vehicle Conference, 2012-09-09 - 2012-09-10, Baltimore, Maryland.

Sahinkaya, M. N., Wang, P. and Akehurst, S., 2013. Causal inversion of non-minimum-phase systems for hardware-in-the-loop transmission testing. Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering, 227 (3), pp. 298-307.

Akehurst, S. and Dowell, P., 2013. Forthcoming. An improved rate of heat release model for modern high speed diesel engines. International Journal of Engine Research

Zhang, Q., Brace, C. J., Akehurst, S., Burke, R. D., Capon, G., Smith, L., Garrett, S. and Zhang, K., 2013. Control strategy study of the series sequential turbocharging using 1-D simulation. In: ASME Turbo Expo 2013. Vol. 5A. San Antonio, U. S. A.: ASME.

Vagg, C., Brace, C. J., Akehurst, S. and Ash, L., 2013. Minimizing battery stress during hybrid electric vehicle control design : Real world considerations for model-based control development. In: VPPC 2013: The 9th IEEE Vehicle Power and Propulsion Conference, 2013-10-15 - 2013-10-18, Beijing.

Liu, D., Hari, D., Vagg, C., Ash, L., Akehurst, S. and Brace, C. J., 2013. Test and simulation of variable air gap concept on axial flux electric motor. In: VPPC 2013: The 9th IEEE Vehicle Power and Propulsion Conference, 2013-10-15 - 2013-10-18, Beijing.

Vagg, C., Brace, C. J., Wijetunge, R., Akehurst, S. and Ash, L., 2012. Development of a new method to assess fuel saving using gear shift indicators. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 226 (12), pp. 1630-1639.

Pennycott, A., Zhang, Q., Brace, C. J., Burke, R. and Akehurst, S., 2012. An empirical model for the carbon dioxide emissions of a diesel engine. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 226 (11), pp. 1507-1513.

Burke, R. D., Lewis, A. J., Akehurst, S., Brace, C. J., Pegg, I. and Stark, R., 2012. Systems optimisation of an active thermal management system during engine warm-up. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 226 (10), pp. 1365-1379.

Brace, C., Akehurst, S. and Hawley, G., 2012. Air Charge Management Turbo Centre. University of Bath.

Lewis, A., Akehurst, S., Brace, C., Robinson, K. and Pegg, I., 2012. Estimated total energy transfer over an NEDC through steady state state performance evaluation. In: ASME Internal Combustion Engine Spring Conference (ICES2012), 2012-05-06 - 2012-05-09, Turin.

Brace, C., Hawley, G. and Akehurst, S., 2012. Fuel Economy Measurement Accuracy and Process. University of Bath.

Brace, C., Akehurst, S. and Plummer, A., 2012. Second Generation Hybrid System Design for Reduced CO2. University of Bath.

Burke, R., Brace, C., Akehurst, S., Pegg, I. and Stark, R., 2012. Study of the behaviour of an exhaust gas heat exchanger for improved engine warm-up. In: SIA International Diesel Engine Conference 2012, 2012-06-06 - 2012-06-06, Rouen.

Giles, K., Lewis, A., Akehurst, S., Brace, C. and Luard, N., 2012. The effect of advance combustion control features on the performance of a highly downsized gasoline engine. In: Fisita 2012 Congress, 2012-11-27 - 2012-11-30, Beijing.

Rose, A. T. J. M., Akehurst, S. and Brace, C. J., 2011. Modelling the performance of a continuously variable supercharger drive system. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 225 (10), pp. 1399-1414.

Moyers, J., Akehurst, S., Parker, D. A. and Schaaf, S., 2011. The application of the Milner CVT as a novel power splitting transmission for hybrid vehicles : SAE Technical Paper 2011-01-0890. In: SAE 2011 World Congress & Exhibition, 2011-04-11, Detroit, Michigan.

Brace, C. J., Akehurst, S. and Ward, M. C., 2011. The use of a Bayesian weighted least-squares approach to accelerate empirical engine model generation. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 225 (D3), pp. 366-394.

Brace, C. J., Akehurst, S. and Ward, M. C., 2011. The use of prior knowledge to accelerate the determination of the permissible operating envelope of an internal combustion engine. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 225 (2), pp. 206-221.

Carey, C., McAllister, M., Sandford, M., Richardson, S., Pierson, S., Damton, N., Bredda, S., Akehurst, S., Brace, C., Turner, J., Pearson, R., Luard, N., Martinez-Botas, R., Copeland, C., Lewis, M. and Fernandes, J., 2011. Extreme engine downsizing. In: Institution of Mechanical Engineers - Innovations in Fuel Economy and Sustainable Road Transport. Institution of Mechanical Engineers, pp. 135-147.

Burke, R., Fath, B., Akehurst, S., Brace, C., Baumann, W. and Wascheck, R., 2011. Practical approach to thermo-dynamic modelling of diesel engine emissions. In: Design of Experiments in Engine Development.6th ed. Berlin: Expert Verlag, pp. 88-103.

Lewis, A., Brace, C., Akehurst, S., Robinson, K. and Pegg, I., 2011. Spatially resolved heat flux measurements from a HSDI engine over NEDC. In: Institution of Mechanical Engineers - VTMS 10, Vehicle Thermal Management Systems Conference and Exhibition. Cambridge: Woodhead Publishing Ltd., pp. 119-129.

Hawley, J. G., Bannister, C. D., Brace, C. J., Akehurst, S., Pegg, I. and Avery, M. R., 2010. The effect of engine and transmission oil viscometrics on vehicle fuel consumption. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 224 (9), pp. 1213-1228.

Akehurst, S. and Dowell, P., 2010. Advanced Mapping Techniques for Radial Compressor for Use in Real-Time Engine Models : SAE Technical Paper 2010-01-1227. In: SAE 2010 World Congress and Exhibition, 2010-04-13 - 2010-04-13, Detroit, MI.

Lewis, A. G., Akehurst, S., Brace, C., Finol, C. and Robinson, K., 2010. Dynamic measurement of heat flux through the cylinder wall of a modern HSDI engine over a new European drive cycle. In: SAE 2010 World Congress & Exhibition, 2010-04-01, Detroit, MI.

Burke, R., Brace, C. and Akehurst, S., 2010. Engine and Combustion Stability over extended Operating Range using Engine Thermal Management in Calibration Procedure. In: SIA Diesel Engine International Conference, 2010-05-25 - 2010-05-26, Rouen.

Wang, P., Sahinkaya, M. N. and Akehurst, S., 2009. Pseudo-causal tracking control of a nonminimum phase system. In: Proceedings of the ASME Dynamic Systems and Control Conference 2009, DSCC2009. New York: ASME, pp. 1201-1208.

Akehurst, S., Moyers, J., Hunt, A. and Schaaf, S., 2009. Development of a design tool for modelling and optimisation of the Milner CVT. In: JSME International Conference on Motion and Power Transmission, MPT 2009, 2009-05-13 - 2009-05-15, Japan.

Akehurst, S., 2009. The design of a Milner CVT using simulation based design of experiments. In: SAE 2009 World Congress, 2009-04-20 - 2009-04-23, Detroit, Michigan.

Akehurst, S. and Schaaf, S., 2009. Power Split Device and Method. WO2009030927, 12 March 2009.

Brace, C. J., Hawley, J. G., Akehurst, S., Piddock, M. and Pegg, I., 2008. Cooling system improvements - assessing the effects on emissions and fuel economy. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 222 (4), pp. 579-591.

Akehurst, S. and Piddock, M., 2008. A Multiple Factor Simulation and Emulation Approach to Investigate Advanced Air handling Systems for Future Diesel Engines. In: SAE 2008 World Congress, 2008-04-14 - 2008-04-17, Detroit, Michigan.

Akehurst, S. and Piddock, M., 2007. A novel approach to investigating advanced boosting strategies of future diesel engines. In: Internal Combustion Engines: Performance, Fuel Economy and Emissions, 2007-12-11 - 2007-12-12, London.

Akehurst, S., Parker, D. A. and Schaaf, S., 2007. Dynamic modeling of the Milner continuously variable transmission - The basic kinematics. Journal of Mechanical Design, 129 (11), pp. 1170-1178.

Piddock, M., Akehurst, S., Hawley, J. G. and Pegg, I., 2007. Cooling system changes: developing sound approaches for assessing on-engine system hardware. In: VTMS 8: Vehicle Thermal Management Systems Conference & Exhibition, 2007-05-20 - 2007-05-24, Nottingham.

Piddock, M., Akehurst, S., Hawley, J. G. and Pegg, I., 2007. Engine cooling systems - developing sound approaches for assessing system hardware changes. In: VTMS 8: Vehicle Thermal Management Systems Conference & Exhibition, 2007-05-20 - 2007-05-24, Nottingham.

Akehurst, S., Parker, D. A. and Schaaf, S., 2006. CVT Rolling Traction Drives— A Review of Research Into Their Design, Functionality, and Modeling. Journal of Mechanical Design, 128 (5), pp. 1165-1176.

Hunt, A., Akehurst, S. and Schaaf, S., 2006. Design consideration and potential of the Milner CVT. In: IPDS 2006: Integrated Powertrain and Driveline Systems 2006, 2006-06-14 - 2006-06-15, Dunton, Essex.

Akehurst, S., Hawley, J. G., Pegg, I. and Piddock, M., 2004. FEAD configurations focusing on CO2 benefits. In: SAE 2004 World Congress and Exhibition, 2004-03-08 - 2004-03-11, Detroit, MI.

Pang, H. H., Brace, C. J. and Akehurst, S., 2004. Potential of a Controllable Engine Cooling System to Reduce NOx Emissions in Diesel Engines. In: SAE 2004 World Congress and Exhibition, 2004-03-08 - 2004-03-11, Detroit, MI.

Akehurst, S., Hawley, J. G., Pegg, I. and Piddock, M., 2004. Front End Auxiliary Drive (FEAD) configurations focusing on CO2 benefits. SAE Transactions. Journal of Passenger Cars: Mechanical Systems, 113 (6), pp. 264-275.

Akehurst, S., Vaughan, N. D., Parker, D. A. and Simner, D., 2004. Modelling of loss mechanisms in a pushing metal V-belt continuously variable transmission. Part 1: torque losses due to band friction. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 218 (11), pp. 1269-1281.

Akehurst, S., Vaughan, N. D., Parker, D. A. and Simner, D., 2004. Modelling of loss mechanisms in a pushing metal V-belt continuously variable transmission. Part 2: pulley deflection losses and total torque loss validation. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 218 (11), pp. 1283-1293.

Akehurst, S., Vaughan, N. D., Parker, D. A. and Simner, D., 2004. Modelling of loss mechanisms in a pushing metal V-belt continuously variable transmission. Part 3: belt slip losses. Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, 218 (11), pp. 1295-1306.

Akehurst, S., Vaughan, N. D. and Parker, D. A., 2004. Potential for Fuel Economy Improvements by Reducing Frictional Losses in a Pushing Metal V-Belt CVT. SAE Transactions. Journal of Passenger Cars: Mechanical Systems, 113 (6), pp. 247-263.

Akehurst, S., Vaughan, N. D. and Parker, D. A., 2003. Transverse Elements for Driving Belts for Use on V-Shaped Pulleys. F16G5/16-WO03078860, 25 September 2003.

Akehurst, S., 2001. An Invesitgation in to the Loss Mechanisms Associated with a Pushing Metal V-Belt Continuously Variable Transmission. Thesis (Doctor of Philosophy (PhD)). University of Bath.

Akehurst, S., Vaughan, N. D., Brace, C. J., Milner, P. J. and Hosoi, Y., 2001. Performance Investigations of a Novel Rolling Traction Drive CVT. SAE Transactions. Journal of Passenger Cars: Mechanical Systems, 110 (6), pp. 979-986.

This list was generated on Fri Oct 31 19:29:24 2014 GMT.