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Development of dental implants.
Selingerová, Simona ; Houfek, Martin (referee) ; Florian, Zdeněk (advisor)
Research of Development of dental implants dissert about development, history and classification of dental implants. Simultaneously includes abstract of materials and their surface modification used in dental implatology and explanation of notions like osteointegration and biocompatibility. Description of dental implants with the view of biomechanics is adumbrate concisely.
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Development of Imaging Methods and its Importance to Biomechanics
Sedláček, Tomáš ; Houfek, Martin (referee) ; Florian, Zdeněk (advisor)
The main objective of this bachelor thesis is to collect all available literature, from which can reader obtain basic knowledge of imaging methods. The methods are divided by its origin into four categories: x-rays, magnetic resonance, ultrasound and nuclear medicine. Each of them is described from the historical, physics and technological view. At the end the importance of each method to medicine and biomechanics is summarized.
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Development of Endoprosthesis.
Řehák, Kamil ; Houfek, Martin (referee) ; Florian, Zdeněk (advisor)
This bachelor’s thesis deals with the problems of the development of total endoprosthesis. The work contains the history of endoprosthesis and the present day description of made and used types of endoprosthesis. In the conclusion there is foreshadowed the development of joints’ surgical implants.
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PROBLEM OF IDENTIFICATION OF DETERMINISTIC CHAOS IN THE INTERACTIVE DRIVE SYSTEMS
Kratochvíl, Ctirad ; Švéda, P. ; Houfek, Martin ; Houfek, Lubomír
Chaos and chaos theory is a field of study in mathematics, computer sciences, electronics, physics and also engineering too. In our article will be explored chaotic behaviour and numerical solutions of the models of drive systems with electric DC motors. These solutions are also bounded like equilibrium, periodic and quasiperiodic solution. There is no precise definition for a chaotic solution because it cannot be represented through standard mathematical functions. However, a chaotic solution is aperiodic solution, which is endowed with some special identifiable characteristics, for example attractors, bifurcations or one-and two dimensional maps.
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Application of chaotic dynamics in natural and technical sciences
Kratochvíl, C. ; Švéda, P. ; Hortel, Milan ; Škuderová, Alena ; Houfek, M.
During the entire 20th century there was a gradual transformation of scientific research, which has produced in science and technology especially in the extraordinary interest in complex dynamic systems. They are non-linear systems, operating environments and the irreversible complexity in their name means they have complex structures, relations and interactions (often of different physical nature). It turned out that an inherent attribute of these complex systems and chaos (deterministic and stochastic). The article will focus on some aspects of the manifestations of chaos, its spread, as well as identification, suppression and control. We will mention also other important phenomena - the possible emergence of a new order out of chaos.
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Experimental research chaos and his visualization
Kratochvíl, Ctirad ; Koláčný, J. ; Houfek, Lubomír ; Houfek, Martin ; Švéda, P.
Theory chaos like of science discipline unreel approximately from halves sixtieth years last century. Most washing is but till this time devoted theoretic aspects hereof prodigy and their investigation pursues as a rule on modelling systems with small number degree of freedom - concerning technical application. In his benefit put to record simulator studies chaotic phenomenon, which were gained with utilization, chaos modulus on mock - ups nonlinear dynamic systems. K visualization achieved results then use memory oscilloscope.
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Komplexní problémy řešení pohonových soustav
Kratochvíl, Ctirad ; Heriban, P. ; Houfek, Lubomír ; Houfek, Martin
Today the drive system is considered mainly as interactive system containing a range of subsystems with different physical nature: mechanical – the basic ones, electrical and hydraulic,pneumatic and also electronic – control ones. Models of those complex systems can then be characterized as so called purpose build and partially structured. The models of those partial subsystems have their typical signs and properties, which can often essentially influence the dynamic properties and global system models behaviour. The aim is to keep so called functional model purpose – in comparison with the real system, which does not necessarily mean that the model must contain all the function and signs. By contrast we suppose that those functions have their carrier, which in limit case can be represented by black box. The control of such systems then more and more often require use of intelligent control algorithms, based for example on genetic algorithms and artificial neural networks.
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