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Bästa exjobbet 96/97
Requirement Analysis and Implementation of a Real-Time System Handling a Large Amount of Data
Swedish Title: Kravanalys och implementering av
ett realtidssystem
med höga dataprestanda
By Patrik Lantto
LiTH-IDA-Ex-9709
ABSTRACT
This report presents a master degree thesis carried out at OPQ Systems AB in Linköping, Sweden. OPQ develops systems for measurement of a number of road surface parameters. The calculations are performed in real-time, primarily on digital signal processors. New calculations with higher demands on performance than can be met by the current system, and the wish to be able to share calculations that are common for different parameters has led to OPQ investigating how a new system could be designed. The purpose of this thesis is to analyse the requirements for a new system, primarily based on the theory of real-time systems. Proposed solutions to fulfil the requirements are presented, and parts of the system are also implemented on a processor selected by OPQ. The result shows that the chosen processor and the new system are fully capable of replacing the current system, and that the implemented solutions fulfil the presented requirements. Even if another processor is chosen, a new system should be developed based on the real-time theory, and the proposed solutions are then an ade quate basis for such development.
