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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Modeling in MathWorks Simscapeby building a model of an automatic gearbox / Utveckla simuleringsmodell av automatväxellåda i Matlabs egenutvecklade modelleringsmiljö Simscape

Enocksson, Staffan January 2011 (has links)
The purpose of this thesis work has been to analyze the usability and the feasibility formodeling with MathWorks simulation tool Simscape by building a simplified model ofthe automatic gearbox ZF-ECOMAT 4 (HP 504 C / HP 594 C / HP 604 C). It hasbeen shown throughout the thesis how this model is build. First has systemknowledge been acquired by studying relevant literature and speaking with thepersons concerned. The second step was to get acquainted with Simscape and thephysical network approach. The physical network approach that is accessible throughthe Simscape language makes is easy to build custom made components with means ofphysical and mathematical relationships. With this background a stepwise approachbeen conducted which has led to the final model of the gearbox and the validationconcept. The results from this thesis work indicates that Simscape is a powerful tool formodeling physical systems and the results of the model validation gives a good signthat it is possible to build and simulate physical models with the Simscape software.However, during the modeling of the ZF-ECOMAT 4 some things have beendiscovered which could improve the usability of the tool and make the learning curvefor an inexperienced user of physical modeling tools less steep. In particular, a largermodel library should be included from the beginning, more examples of simple andmore complex models, the object-oriented related parts such as own MATLABfunctions should be expanded, and a better troubleshooting guidance.
2

Aplikace fuzzy logiky pro hodnocení kvality zákazníků / The Application of Fuzzy Logic for Evaluation of Quality of Customers

Pipková, Zuzana January 2016 (has links)
Presented diploma thesis is involved in the issue of customer evaluation of GALATEK a.s. The main company’s manufacturing program is production of machines for surface treatment. Fuzzy logic models will be used to evaluate customers. This models will be crated in software such as MS Excel and MathWorks MATLAB. First part of the diploma thesis contains theoretical summarization needed to understand whole issue. Basic information about company are presented in second part of the diploma thesis. Third part contains customer evaluation based on co-operation with company, outcomes and proposals which are results of customers evaluation.
3

Intersection Simulation and Path Estimation

Milo, Curtis January 2020 (has links)
As autonomous vehicles begin to move towards full autonomy, the controllers and software within them are becoming incredibly more complex to deal with any plausible scenario. Automotive manufacturers must balance the need for safety with the customers' desire for performance and features. A robust set of tools is a necessity to develop vehicle control protocols and navigation strategies. Vehicle to everything communication protocols and path planning are two aspects of autonomous vehicles that need a large amount of development effort. The MathWorks has put a great amount of effort in developing a robust simulation tool for autonomous vehicles. However, it currently lacks a method to develop V2X communication and path routing. In this thesis, I developed an extension for the Mathworks Simulink autonomous driving toolbox to incorporate graph-based path planning and vehicle to vehicle communication. The navigation system models each road using standard civil engineering techniques, to calculate the intersection points and bounding areas for regions of interest. Based on these regions, a directed graph is created to aid in calculating the shortest path. The navigation system also provides a redundant method for path planning for poorly marked areas and intersections. The vehicle to vehicle communication system emulates the 802.11p protocol and deals with practical challenges such as latency to provide developers with a realistic environment in which to develop vehicle communication protocols. The final result is a simulation where multiple vehicles drive safely and efficiently throughout a city network, sending messages at regions of interest and follow computed paths to their desired destinations. / Thesis / Master of Applied Science (MASc) / Vehicle to Everything communication protocols and path planning are two aspects of autonomous vehicles that need a robust framework to aid in their development. I developed an extension for the Mathworks Simulink autonomous driving toolbox to incorporate graph-based path planning and vehicle to vehicle communication. The navigation system models each road using standard civil engineering techniques, to calculate the intersection points and bounding areas for regions of interest. Based on these regions, a directed graph is created to aid in calculating the shortest path. The navigation system also provides a redundant method for path planning for poorly marked areas and intersections. The vehicle to vehicle communication system emulates the 802.11p protocol and realistic effects such as latency to provide developers with a realistic environment to develop vehicle communication protocols. The final result is a simulation where multiple vehicles drive throughout a city network, sending messages at regions of interest and follow a computed path to their desired destination.
4

Aplikace fuzzy logiky pro vyhodnocení dodavatelů firmy / The Application of Fuzzy Logic for Rating of Suppliers for the Firm

Froehling, Kryštof January 2021 (has links)
The diploma thesis deals with the application of the theory of fuzzy logic in the evaluation of client translation commissions for a foreign language text. This fuzzy model is used for better selection of orders and faster allocation of human resources for specific orders. The fuzzy model is composed of multi-valued decision-making criteria that are essential for the company. The model is processed in MS Excel using VBA and MathWorks MATLAB.
5

Využití umělé inteligence pro vyhodnocení bonity firmy / The Application of Fuzzy Logic for Company's Creditability Evaluation

Šustrová, Tereza January 2012 (has links)
This master thesis deals with a proposal of a model for a company’s creditability evaluation from a view of a creditor using artificial intelligence. The model is developed in MS Office Excel and MathWorks Matlab utilizing the fuzzy logic theory.
6

Aplikace fuzzy logiky pro hodnocení kvality zákazníků / The Application of Fuzzy Logic for Evaluation of Quality of Customers

Šulc, Ondřej January 2016 (has links)
This master thesis deals with the application of fuzzy logic for evaluating the quality of customers in company PPL CZ s.r.o. For evaluation was used Microsoft Excel and MathWorks MATLAB. There are going to be created models using fuzzy logic. The introductory part is devoted to the theoretical bases that are necessary to understand the whole issue. The second part includes information about the company and analyzes of the current situation. Finally, the last part presents fuzzy models used to evaluation of existing customers.
7

Aplikace fuzzy logiky pro vyhodnocení dodavatelů firmy / The Application of Fuzzy Logic for Rating of Suppliers for the Firm

Ondruch, Lukáš January 2021 (has links)
The master’s thesis deals with the use of fuzzy logic for evaluating the quality of suppliers of IT goods and other material for a selected company. The fuzzy model should facilitate decisions when selecting individual suppliers who should deliver goods for the implementation of IT projects. The model created in Microsoft Excel and MathWorks MATLAB should be helpful to the company's management and sales representatives.
8

Magneticky levitující vozítko / Magnetically levitated cart

Jančuš, Rastislav January 2014 (has links)
Diploma thesis is summarizing common theoretical knowledge about permanent magnets and electromagnetism. Represent DC electromagnet as basic part for levitated high-speed train. Work is analyzing basics under cart and principles used for magnetic levitation in high-speed transportation. Second practice part including projecting construction levitated cart and analyzing acquired mathematical model of electromagnet. Work is analyzing process for projecting control for side electromagnets and realization real model, including tuning computer communication with states of sensors and comparison real model with model simulated in program Simulink.

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