| Summary: | This Master’s thesis was developed at the Division of Computer Aided Design (CAD) at Luleå University of Technology [1]. A research project called SSPI (Scalable search of product lifecycle information) [2] was initiated by Luleå University of Technology [3] and Uppsala University (UDBL) [4], where the main goal was to develop software systems for efficient and scalable search of product data and meta- knowledge produced during the entire product lifecycle. The project was intended to develop such software systems based on Data Stream Management Systems (DSMS) and the semantic web model. In the SSPI project the goal was also to build two demonstrators based on case studies in industry. High reliability and availability are important customer demands that are currently increasing in industrial significance. Through better monitoring of critical systems and system parameters, failures can be detected, predicted and avoided before damage occurs. This is, of course, beneficial for the customer. Improving monitoring is of interest for Hägglunds Drives (HDAB) [5], which is why the thesis work was initiated as a part of the SSPI project. Hägglunds Drives participated in this project as an industrial partner in order to learn more about the aforementioned approaches and thereby increase their product availability. In this thesis work a specific drive called a kiln drive was analyzed to determine what can be done from a monitoring perspective to increase availability and reliability. During the thesis work, HDAB conducted a test of a drive, whereby a long- life test of oil was carried out in their laboratory and compared to normal, reduced oil level in the system. The “tank test,” as the system will be referred to, was equipped with sensors to monitor the condition of the system. According to HDAB, this system was comparable to the kiln drive. To verify this, the thesis work included comparison of these two systems. The aim was to investigate if the available tank test could be used for analysis instead of the kiln ...
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