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Details of Grant 

EPSRC Reference: GR/L20115/01
Title: THE APPLICATION OF FINITE STATE MACHINE CONTROL OF HIGH FREQUENCY POWER ELECTRONS
Principal Investigator: Lefley, Dr P
Other Investigators:
Researcher Co-Investigators:
Project Partners:
Cambridge Control Ltd Pre Nexus Migration
Department: Engineering
Organisation: University of Leicester
Scheme: Standard Research (Pre-FEC)
Starts: 01 May 1996 Ends: 30 April 1999 Value (£): 134,607
EPSRC Research Topic Classifications:
Control Engineering
EPSRC Industrial Sector Classifications:
Electronics
Related Grants:
Panel History:  
Summary on Grant Application Form
Todays current trend towards higher switching frequencies in power electronics is being limited by the inability of the processor to complete the on-line calculations within the time constraints. For applications requiring fast numerical computations, digital signal processing (DSPs) offer enhanced speed and performance. Clearly the two systems of DSP and microcontroller could be combined in a dual processor based computer, integrating the advantages of both processor types in the one system.However, the approach of adding more processing power to increase the speed of operation is not necessarily the fastest or the best solution as multi-processor systems significantly increase complexity.There are, however, many applications where the operating states can be defined and processed off-line. In this case, control can be achieved by the use of a Finite State Machine (FSM). The basis of an FSM is a memory device which contains all the off-line calculated solutions. The output of the FSM is connected to be a control input (to itself) so that the next state is defined by the present state and other control inputs. Such a technique will provide dynamic closed-loop stability control as well as high frequency switching ability
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Organisation Website: http://www.le.ac.uk