10 articles in this issue
Romeo DI LEO,Leonardo LECCE,Rosario PENCORA,Francesco AMOROSO
This work presents a new semi-active friction damper, based on the piezoelectric technology, for the anti-seismic control of a civil structure. The device has been conceived and designed at D.I.A.S. (Department of Aerospace Engineering) of University... see more
Iwona KOMORSKA
A method of diagnostics of the automobile gearbox wearing out is presented in this paper. The procedure can be automatically realised during driving. To be able to perform such diagnostics the reference model of the vibration signal on the basis of th... see more
Miroslaw KONDRATIUK,Zdzislaw GOSIEWSKI,Leszek AMBROZIAK
In the paper we took into account the influence of the actively controlled coil dampers introduced into vibrating body supports. The body was considered as moving mass centre of 3-degrees-of-freedom. Investigated object was located on four supports. Body ... see more
Marek KSIAZEK,Janusz TARNOWSKI
The experiments described in this article are part of the research leading to the development of a model, in which the man working with hand held percussive tool constitutes an active element of the system. Research had on purpose description of transmiss... see more
Janusz KWASNIEWSKI,Ireneusz DOMINIK,Krzysztof LALIK
This paper presents the application of a Self-exited Acoustical System (SAS) for monitoring stress changes in the cement plant. The change in the speed of wave propagation, which is associated with a change in the resonance frequency in the system is caus... see more
Krzysztof MAZUR,Marek PAWELCZYK
In this paper an adaptive single input - multiple output feed-forward system for sound radiation from a vibrating plate is investigated. Finite impulse response filters are used to generate control signals for each actuator based on the common input signa... see more
Arkadiusz MYSTKOWSKI,Leszek AMBROZIAK
This paper describes the finite element method investigation of the permanent magnetic bearing (PMB) and spin tests of the PMB rotor suspension system. In order to increase the radial stiffness of the PMB, the Halbach-array configuration of the permanent ... see more
Olga PARASKA,Andrzej SIOMA,Svitlana KARVAN
This article discusses methods of assessment for the cleanliness of materials made of cotton and polyester soiled with oil and pigment. Cleanliness tests were carried out using the vision method as well as nanometre-scale examination of fibre surface, an... see more
Arkadiusz PARUS,Bartosz POWALKA
In this paper the results of simulation of vibration suppression during machining are presented. Two versions of the active clamp system were examined. In the case when the work-piece vibration dominates one direction, the active clamp system with 1 degre... see more
Tadeusz UHL,Zbigniew SLIWA,Slawomir GRZESICA
This paper describes a miniaturized model of a small size solar-hydrogen power installation with a reserve electricity source in the form of a fuel cell. The cell was powered with hydrogen generated in the electrolyzer in time periods when the photovolta... see more