New Applications of Fuzzy Logic Methodologies in Aerospace Field

Hybrid GPS/GSM Positioning Systems Design with Fuzzy Logic

Journal of Advanced Computational Intelligence and Intelligent Informatics ◽

10.20965/jaciii.2008.p0254 ◽

2008 ◽

Vol 12 (3) ◽

pp. 254-262

Author(s):

Hsin-Yuan Chen ◽

◽

Chen-Hung Liu

Keyword(s):

Fuzzy Logic ◽

Mobile Communications ◽

Systems Design ◽

Satellite System ◽

Positioning Systems ◽

Main Research ◽

Satellite Positioning ◽

Switch Design ◽

Gps Accuracy ◽

New Applications

Global Positioning System (GPS) is based on a satellite system. Much work has been carried out on a non-satellite positioning systems using the existing Global System of Mobile Communications (GSM) infrastructure. This leads to a hybrid GPS/GSM positioning systems in the paper. We purpose to adopt GSM for positioning via an integrated switch design with fuzzy logic, if GPS lose efficacy. This induces four main research features in this paper. (1) Designs with optimal-based Fourier analyzer to achieve error of GPS decrease is presented. (2) New applications of fuzzy set theory are presented to solve the problem of GPS accuracy. (3) An integrated switch of fuzzy logic is designed for selecting GPS or GSM positioning systems. (4) Discussions on various GSM positioning methods are adopted with different error and location parameters of environment.

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New applications of fuzzy logic in decision support systems

International Journal of Management and Decision Making ◽

10.1504/ijmdm.2004.005008 ◽

2004 ◽

Vol 5 (1) ◽

pp. 47 ◽

Cited By ~ 3

Author(s):

Kostas Metaxiotis ◽

John E. Psarras ◽

John Emanuel Samouilidis

Keyword(s):

Fuzzy Logic ◽

Decision Support ◽

Decision Support Systems ◽

Support Systems ◽

New Applications

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Introduction to fuzzy logic

Facta universitatis - series Electronics and Energetics ◽

10.2298/fuee0502319m ◽

2005 ◽

Vol 18 (2) ◽

pp. 319-328 ◽

Cited By ~ 8

Author(s):

Claudio Moraga

Keyword(s):

Decision Making ◽

Fuzzy Logic ◽

Fuzzy Sets ◽

Fuzzy Decision Making ◽

Fuzzy Decision ◽

Main Emphasis ◽

New Applications

This paper gives basics and reviews some classical as well as new applications of fuzzy logic. The main emphasis of the paper is on fuzzy decision making under a linguistic view of fuzzy sets.

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Fuzzy logic applications in inland waterway transportation

Journal on Processing and Energy in Agriculture ◽

10.5937/jpea24-30238 ◽

2020 ◽

Vol 24 (3-4) ◽

pp. 115-118

Author(s):

Vladimir Bugarski ◽

Filip Kulić ◽

Željko Kanović ◽

Todor Bačkalić

Keyword(s):

Fuzzy Logic ◽

Expert System ◽

Fuzzy Expert System ◽

Direct Control ◽

Inland Waterways ◽

Traffic Lights ◽

Inland Waterway ◽

Canal Network ◽

New Applications ◽

Ship Lock

New applications of a fuzzy expert system (FES) for direct control of traffic lights in the areas of locks and one-way sections on inland waterways are presented. FES implements the knowledge of experts in the field of water transport on a controller. FES-SL (application in ship locks) was created for a single-chamber two-way ship lock. The system decides when the lock process will be performed depending on the current requests and queues. FES-1WS (application in one-way sections) was created for a canal network with sections where one-way vessel traffic is allowed due to the width limitation. The system is applicable for different traffic densities (from 10 to 90 vessels per day) and different lengths of one-way sections (from 2km to 24km).

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1250-kilovolt scanning transmission electron microscope

Proceedings, annual meeting, Electron Microscopy Society of America ◽

10.1017/s0424820100113007 ◽

1984 ◽

Vol 42 ◽

pp. 624-625

Author(s):

T. Imura ◽

S. Maruse ◽

K. Mihama ◽

M. Iseki ◽

M. Hibino ◽

...

Keyword(s):

High Voltage ◽

Electron Probe ◽

Scanning Transmission Electron Microscope ◽

Pressure Vessels ◽

Practical Applications ◽

Voltage Generator ◽

Transmission Electron ◽

Scanning Transmission ◽

New Applications ◽

High Voltage Generator

Ultra high voltage STEM has many inherent technical advantages over CTEM. These advantages include better signal detectability and signal processing capability. It is hoped that it will explore some new applications which were previously not possible. Conventional STEM (including CTEM with STEM attachment), however, has been unable to provide these inherent advantages due to insufficient performance and engineering problems. Recently we have developed a new 1250 kV STEM and completed installation at Nagoya University in Japan. It has been designed to break through conventional engineering limitations and bring about theoretical advantage in practical applications.In the design of this instrument, we exercised maximum care in providing a stable electron probe. A high voltage generator and an accelerator are housed in two separate pressure vessels and they are connected with a high voltage resistor cable.(Fig. 1) This design minimized induction generated from the high voltage generator, which is a high frequency Cockcroft-Walton type, being transmitted to the electron probe.

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