'Switchback' control strategy lifts profit

Article Abstract:

Use of control systems which switch from strategy to strategy means greatest efficiency can be achieved. Small modifications in control in manufacturing and processing industries mean large savings in input and large improvements in output. The Advanced Control Club has been set up by Prof James Ron Leigh of the University of Westminster, to apply swickback control strategies practically. Leigh aims to improve transportation of miners to and from coal faces, improve air traffic control, manage motorway infrastructure, and undertake process planning in factories where machines operate at less than optimal efficiency. Dr Nameer Jalel, researcher, has developed 'Self Organising Fuzzy Logic' to port the computer program to DEC VAX workstations. The software can observe errors and error change rates related with fuzzy logic process control, and change the rules. The new software operates well with linear processes.

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Four parameters control imperfect sensors

Article Abstract:

Cambridge Control's new 'four parameter' control strategy has been developed for detecting sensor drift on a DRA Pyestock turbofan engine test cell. The system has function blocks for processing feedstock data from sensors, converting reference signals into commands, comparing reference and sensor data, to determine the reliability of sensor signals, and deciding how wrong they are. The technology can be used in automotive control, flight control, process control, nuclear reactors, or other equipment featuring an electronic control loop and sensors.

Integrated Automation Systems Ltd.

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Advanced control saves cost in complex hydraulics

Article Abstract:

Zeta Controls has developed a new generation of control systems for controlling entire vehicles, such as refuse vehicles and roadsweepers. The first of the new systems is being fitted to Dennis Eagle refuse lorries to regulate road speed and to deliver sufficient power during compaction. The system's electronic brain is fitted into the driver's cab.

Control equipment industry, Zeta Controls Ltd.

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