Sök:

Sökresultat:

15331 Uppsatser om Real-time analysis - Sida 1 av 1023

Verifikation av verktyget aspect analyzer

Rising complexity in the development of real-time systems has made it crucial to have reusable components and a more flexible way of configuring these components into a coherent system. Aspect-oriented system development (AOSD) is a technique that allows one to put a system?s crosscutting concerns into"modules"that are called aspects. Applying AOSD in real-time and embedded system development one can expect reductions in the complexity of the system design and development. A problem with AOSD in its current form is that it does not support predictability in the time domain.

Användning av realtidsdatabas i diagnostiksystem

The main purpose in this degree thesis is to investigate changes in performance when introducing a newly produced Real-Time database in one of CC Systems products, the Diagnostic Runtime Engine, DRE. The thesis is a collaboration between CC Systems, creator of DRE, and Mimer AB, developer of the Real-Time database.The result reveals that the time spent on database access is considerably lesscompared to the originally used database. The research has lead to several additional requirements on the real-time database and these are presented as part of the result in this thesis. The additional features will help making the product more suitable for DRE and similar applications.Additional research is required to be able to recommend the use of this product or not. Primarily the performance in another operating system, Windows CE, but also the introduction of additional features should be investigated.

Problematik vid analys av fastighetsbolag efter införandet av IFRS

The study describes the problems with analysis of real estate companies after the introduction of IFRS. With the introduction of IFRS (2005) and specially IAS 40 the real estate companies get the ability to appreciate its real estates to real value. With the difference in the accounting, grows the question if it has become some differences for analysts with analysis and valuation of real estate companies. We also look into how well this new standard effect the real estate companies from the view of the accounting quality and its characteristics..

Förvaltning på distans : Hur optimeras förvaltningen av en fastighet på distans?

The purpose of this thesis was to investigate how the distance between real estate manager and the managed item influenced the real estate management process. The overall real estate management within Lantmännen Fastigheter AB was investigated to give suggestions on how to improve the quality of the real estate management within the company. To do this, questionnaires, interviews and observations was performed within the Lantmännen Fastigheter AB organization. Real estate managers answered questions about their role as real estate manager, maintenance planning, decision processes, leasing and strategies within the company.The analysis of the questionnaires, interviews and observations showed that the real estate managers wants to rearrange their spent working hours around on working tasks to spend more time on the tasks that brings income and spend less time on tasks that are unsatisfying and unnecessary. The analysis also shows in which areas the real estate managers want more support and education and that they mostly work with unplanned maintenance.

Aspect Analyzer: Ett verktyg för automatiserad exekveringstidsanalys av komponenter och aspekter

The increasing complexity in the development of a configurable real-time system has emerged new principles of software techniques, such as aspect-oriented software development and component-based software development. These techniques allow encapsulation of the system's crosscutting concerns and increase the modularity of the software. The properties of a component that influences the systems performance or semantics are specified separately in entities called aspects, while basic functionality of the property still remains in the component. When building a real-time system, different sets of configurations of aspects and components can be combined, resulting in different configurations of the system. The temporal behavior of the system changes and a way to ensure the predictability of the system is needed.

Investigation of tissue factor mRNA levels in human platelets using real-time PCR

Tissue factor (TF), a 47 kDa glycoprotein, is the initiator of the extrinsic pathway of blood coagulation and consequently of the upmost importance when damage to blood vessel occurs. The source of TF in circulation has been investigated. However, the source of TF is still not clear. One theory is that platelets express and increases the expression of TF after stimulation and the aim of our report was to investigate whether platelets really are a source for TF in circulation.Using specific primers for TF mRNA, platelets in plasma from healthy volunteers and from patients suffering from cardiac infarction were analyzed by using real-time polymerase chain reaction (PCR). Gel electrophoresis was performed after amplification of TF mRNA to verify the results.The samples were negative for TF when using real-time PCR and the few positive all had cycle threshold (Ct) values above 35.

Interactive Visualization of Statistical Data using Multidimensional Scaling Techniques

This study has been carried out in cooperation with Unilever and partly with the EC founded project, Smartdoc IST-2000-28137. In areas of statistics and image processing, both the amount of data and the dimensions are increasing rapidly and an interactive visualization tool that lets the user perform Real-time analysis can save valuable time. Real-time cropping and drill-down considerably facilitate the analysis process and yield more accurate decisions. In the Smartdoc project, there has been a request for a component used for smart filtering in multidimensional data sets. As the Smartdoc project aims to develop smart, interactive components to be used on low-end systems, the implementation of the self-organizing map algorithm proposes which dimensions to visualize.

Datorsystem för kvalitetskontroll och temperaturövervakning med värmekamerateknik

The work was carried out on Termisk Systemteknisk?s office in Linköping. The aim was to create a computer system with infrared camera technology for quality control and temperature monitoring of manufacturing processes in industry. The system should be configurable such that it can be used on several different issues, including those where the Real-time analysis of camera images is required.The developed system is based on an existing framework, Panola, to deal with measurement results and images in a database. The framework is built for the system continually check for new data , and the task was to create a foundation upon which to build systems that use the framework, but fully or partially utilize direct calls .

Adaptive QoS Management in Dynamically Reconfigurable Real-Time Databases

During the last years the need for real-time database services has increased due to the growing number of data-intensive applications needing to enforce real-time constraints. The COMponent-based Embedded real-Time database (COMET) is a real-time database developed to meet these demands. COMET is developed using the AspeCtual COmponent-based Real-time system Development (ACCORD) design method, and consists of a number of components and aspects, which can be composed into a number of different configurations depending on system demands, e.g., Quality of Service (QoS) management can be used in unpredictable environments. In embedded systems with requirementson high up-time it may not be possible to temporarily shut down the system for reconfiguration. Instead it is desirable to enable dynamic reconfiguration of the system, exchanging components during run-time.

Frekvens och spanningsskalning i en inbyggd mikroprocessor; for att mojliggora implementationen av schemalaggning med stod for dynamisk frekvens- och spanningsreglering for energihantering.

Minimizing power consumption is a critical part of many embedded design projects. Thechallenge is to limit the power consumption of the system and at the same time providesatisfactory service to the user. With regards to microprocessors, the main way of limiting powerconsumption during program execution is to adjust the frequency and the voltage at which theprocessor operates.To enable the implementation of real-time scheduling with support for dynamic voltage andfrequency scaling, an exhaustive study of the Freescale i.MX31 embedded microprocessor isperformed. Specifically, the power consumption relationship to all relevant frequency andvoltage settings is investigated. In addition, to enable frequency and voltage scaling in a real-timeenvironment, a complete timing analysis of proposed voltage and frequency scaling methods isperformed and their suitability for use in real-time systems is evaluated.To integrate voltage and frequency scaling capability into OSE RTOS, a software module hasbeen developed for this operating system.

Realoptioners förklaringsvärde och praktiska tillämpbarhet: En tillämpning på den svenska onlinespelmarknaden

Real options analysis is a method for assigning value to flexibility in decisions, coming from uncertainty in future outcomes. This thesis ascertains to what degree this method is superior to traditional net present value analysis, with regards to ease of implementation in relation to the benefits from being able to measure the total value. Real options analysis is evaluated with a case study of the Swedish online gambling market, and conducted with the binomial framework of Copeland and Antikarov (2003). The authors find the sensible use of real options dependant on the specific situation to which it is applied, i.e. a certain degree of future uncertainty and managerial flexibility is necessary for justification of the increased workload.

Att överföra en turordningsbaserad spelprototyp till realtid : ett projekt rörande Victorious Skies och dess utveckling

This project details the process of converting and transferring a turn-based paper prototype to a digital real-time format. The projects goals were to see how well the original feeling could be transferred to real-time and how the transition itself went. The project have been completed with the help of the programmer Mikael Gullberg. The practical part of the project was executed between the dates of 25/4 ? 2/5.

OSE och Linux : En studie om prestanda

There are some key elements which distinguish a general operating system, such as Linux, from a Real Time operating system, such as OSE. The later belongs to the category of soft Real Time systems while Linux is a general operating system, with significantly improved real time properties after version 2.6. These improvements make it interesting to compare the two systems.When comparing two operating systems, there are a number of issues which have to be considered. One way to measure the performance of the systems is by studying the time consumption for the same functionality and hardware.During the study, the items that appeared as the most important for the performance of the systems, were: process primitives, system primitives, interprocess communication, context switches and interrupt latency.This work demonstrates that it is possible and reasonable to do performance testing on two different operating systems. The implemented tests cover a number of basic functionalities, which appeared to be the most crucial ones for the performance of the systems..

Reala optioner : Konsten att tydliggöra värden i tidiga venture investeringar

Analysts at Venture Capital firms of today experience troubles when they try to explicate the intrinsic value, which they see in their investments. The traditional valuation models do not account the value of flexibility and analysts have to Through studies at a Venture Capital firm in Sweden, I have analyzed if Real Option analysis could help them to explicate the intrinsic value that they see.With the help from a decision tree, analysts can identify the hidden option values embedded in the investment. I find that real options can be a helpful tool for Venture Capital companiesto clarify the intrinsic values that they see in their investments. Real option analysis is however not a competitor to traditional value methods, it is rather a compliment..

Redovisning till verkligt värde: Tillämpningen av IAS 40 i svenska fastighetsbolag

The aim of our master thesis is to study the way valuation of real estate is conducted by real estate companies. Furthermore we want to identify the factors that affect the relevance and reliability of the valuation. The reason for this is the introduction of IFRS, in 2005, and the application of the IAS 40 rules stating that real estate are to be recognized at fair value on the balance sheet. To do this we have performed a case study on 10 Swedish real estate compa-nies listed on the Stockholm stock exchange, OMX, Large Cap and Mid Cap list to see how the share value has performed in relation to the reported net asset value since 2005 and how they value their collection of properties. We also studied the assumptions made by real estate company analysts.

1 Nästa sida ->