Authors : Shatha K. Jawad and Munther N. Al-Tikriti
Abstract: In this study, a strategy for an industrial standard, the IEC/ISA Field bus, is proposed to support the intracell and LAN for intercell real time communications. The designed distributed control system consists of autonomous CPUs that work together to make the complete system look like a single computer. So, the microkernel design using two levels of scheduling, the first one for communication and the other for task execution. Level two is proposed by using three routines, guarantee, bidder and decision routines. The Decision routine is implemented using Fuzzy Logic set, neurofuzzy and a mathematical approach. The results obtained, using Neurofuzzy, are approximately the same choice as for fuzzy but it responds faster than it. On the other hand the functional Neurofuzzy is the best algorithm compared with structural and fuzzy. The proposed mathematical approach can be used to implement the latter algorithm. This is because it needs little and simple calculations and no stored data, in making its decision, are needed.
Shatha K. Jawad and Munther N. Al-Tikriti , 2007. CPU Secheduling with Fieldbus Systems. International Journal of Soft Computing, 2: 103-112.