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ISSN:    frecuency : 4   format : Electrónica

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Volume 30 Number 2 Year 2011

8 articles in this issue 

Jaroslaw Bednarz,Tomasz Barszcz,Tadeusz Uhl

Rotating machines are often described using linear methods with acceptable accuracy. Some malfunctions, however, are of non-linear nature. The most common examples of those malfunctions are loose bearings and rotor rubs. Accurate detection and identificat... see more

 

Piotr Bera

Neural networks consist of many simple elements operating in parallel. In supervised training they are capable of finding their own solution to a particular problem, given only examples of proper behavior. It is a very useful method of solving complex, no... see more

 

Janusz Goldasz

The so-called amplitude-selective-damping (ASD) valving is a relatively new approach for modifying the output of a hydraulic shock absorber. In the automotive industry ASD valves are known to improve isolation from road inputs. During more aggressive mane... see more

 

Krzysztof Holak,Piotr Kohut,Adam Martowicz,Tadeusz Uhl

The paper presents an optical non-contact method of measuring the static deflection structure in one plane. Displacements of measurement points of the structure under the load were computed by means of digital image correlation coefficient. The applicatio... see more

 

Marek Jaszczuk,Józef Markowicz,Stanislaw Szweda

The location and variation range of the length of damaged welds was determined on the grounds of test results on the type and size of damages to welded joints in powered roof support bases destined for repair. In the analysis of the effort of components o... see more

 

Michal Manka,Mateusz Rosiek,Adam Martowicz,Tadeusz Uhl

Structural health monitoring (SHM) systems have been constantly improved in the past decades. Sensors for SHM should be built-in to perform continuous measurements in opposite to non-destructive testing (NDT), in case of which sensors have to be mounted o... see more

 

Adam Martowicz,Piotr Kurowski,Tadeusz Uhl,Grzegorz Lasko

An application of design optimization methodology performed for a multibody model of real-live rail structure stands for the scope of present work. For carried out analyses a model of five-piece tram has been elaborated and then parameterized to allow for... see more

 

Pawel Orkisz

The effect of wind influence on the construction of a telecommunication mast located in an area with average building height not exceeding 10 meters above ground has been presented in this work. The presented telecommunication mast is a lattice constructi... see more