| Summary: | The advent of technology and hi-tech machinery into the modern world, especially in
the field of manufacturing has led to improved speeds and increase in the production.
The modern world is filled with complex industrial systems that are employed in
every industry to aid automation and unmanned operations of various processes. This
increase in complex machineries has created a need for increased troubleshooting
and maintenance of faults. As, the complexity of the machine increases, it becomes
harder for low skilled technicians and operators to maintain such systems. Hence, a
need for a system to carry out the process of fault diagnosis as well as being portable
and that which can be integrated with any complex industrial system with ease has
become essential.
This work involves the design, development and implementation of a software
program for a portable fault diagnosis instrument. The software application program
was developed using the LabView development platform provided by National
Instruments. The algorithm that the software works on is the model based hybrid
bond graph based fault detection and isolation technique. This thesis explains the
software development for the portable instrument that carries out the task of fault
detection and isolation in any industrial system that is connected to it.
The thesis explains in the hardware design of the portable fault diagnosis instrument
and also gives the details of the software implementation or the programming. It
gives a complete picture of the input logic, the output logic, the core algorithm used
and the decision making logics employed in the design of the software.
Additionally, the thesis also gives a clear explanation on the graphical user interface
designed for the operators to use the portable fault diagnosis instrument with ease.
The GUI developed taking into consideration that even the low skilled operators
would be able to easily diagnose the faults with this system and rectify them on time
to avoid catastrophic failures and unwarranted shutdowns.
The thesis finally elaborates on the extensive test procedures the software was taken
through to check the robustness and effectiveness of the system during the
occurrence of test faults.
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