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  1. No Access

    Article

    Saw dust-derived activated carbon in different impregnation ratios and its application in de-fluoridation of waste water using IT2FLC and RSM

    The era of continuous advancement in science and technology leads to an increase in global pollution in the aquatic environment. Due to the presence of emerging contaminants, water bodies pose a serious threat...

    Dipak Kumar Jana, Swapnila Roy in Biomass Conversion and Biorefinery (2023)

  2. No Access

    Chapter and Conference Paper

    Optimization of Palm Oil Mill Effluent (POME) Solubilization Using Linguistic Fuzzy Logic and Machine Learning Techniques

    The continuous hike in the price of the edible vegetable oil has directly impacted upon the price growth of the palm oil. In this palm oil production, Indonesia and Malaysia are in top leading position at pres...

    Zuzana Jankova, Petr Dostal in Applied Mathematics and Computational Inte… (2023)

  3. No Access

    Article

    The temporal development of plant-soil feedback is contingent on competition and nutrient availability contexts

    Strength and direction of plant-soil feedback (PSF), the reciprocal interactions between plants and soil, can change over time and have distinct effects on different life stages. PSF and its temporal developme...

    Petr Dostál in Oecologia (2021)

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    Article

    The minimum principle for affine functions and isomorphisms of continuous affine function spaces

    Let X be a compact convex set and let ext X stand for the set of extreme points of X. We show that if \(f:X\rightarrow {\mathbb {R}}\)f:X→R is an affine function with the point of continuity property such that $$...

    Petr Dostál, Jiří Spurný in Archiv der Mathematik (2020)

  5. No Access

    Article

    Experimental and Theoretical Assessment of Liquidus, Peritectic Transformation, and Solidus Temperatures of Laboratory and Commercial Steel Grades

    The paper deals with theoretical and experimental study of phase transformation temperatures of steels in high temperature region (above 1000 °C), with focus on the solidus temperature, peritectic transformati...

    Ondřej Martiník, Bedřich Smetana in Journal of Phase Equilibria and Diffusion (2019)

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    Article

    Study of phase transformation temperatures of alloys based on Fe–C–Cr in high-temperature area

    Three alloys based on Fe–C–Cr were studied. These alloys contained carbon in a range of 0.308–0.380 mass% and chromium 1.058–4.990 mass%. Temperatures of solidus (onward used as TS), liquidus (onward used as TL) ...

    Ľubomíra Drozdová, Bedřich Smetana in Journal of Thermal Analysis and Calorimetry (2018)

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    Chapter

    Changing European Union: The Schengen Agreement

    The chapter is concerned with perceptions of the free cross-border movement of people that is regulated by the Schengen Agreement regime. The Agreement developed gradually in the multi-speed institutional cont...

    Petr Dostál in Borders in Central Europe After the Schengen Agreement (2018)

  8. No Access

    Article

    What processes shape early-successional vegetation in fly ash and mine tailings?

    Local abiotic filters and regional processes (i.e., regional pools of species that are dispersal-limited to varying degrees) interactively structure the development of vegetation in human-disturbed habitats, y...

    Jana Urbanová, Pavel Kovář, Petr Dostál in Plant Ecology (2017)

  9. No Access

    Article

    Liquidus and solidus temperatures and latent heats of melting of steels

    The paper deals with the study of latent heats of melting of three real steels (one low-alloyed steel and two chromium steels) and temperatures of liquidus, peritectic transformation and solidus of these steel...

    Aleš Kalup, Bedřich Smetana in Journal of Thermal Analysis and Calorimetry (2017)

  10. No Access

    Chapter and Conference Paper

    Two Methods of Hybrid Adaptive Control Applied on Nonlinear Plant

    The hybrid adaptive control with a delta External Linear Model is presented in this work. The adaptive approach is based on the choice of the External Linear Model of the originally nonlinear system parameters...

    Jiri Vojtesek, Petr Dostal in Proceedings of the Second International Af… (2016)

  11. No Access

    Article

    Searching for Heracleum mantegazzianum allelopathy in vitro and in a garden experiment

    One theory concerning the invasiveness of exotic plants suggests that they exude phytotoxic compounds that are novel in areas being invaded. For most invasive plants, however, little is known about the effects...

    Kateřina Jandová, Petr Dostál, Tomáš Cajthaml in Biological Invasions (2015)

  12. No Access

    Chapter and Conference Paper

    One Approach to Adaptive Control of a Nonlinear Distributed Parameters Process

    The paper provides a procedure for the design of adaptive control of a nonlinear distributed parameter process represented by a tubular chemical reactor. The presented method is based on approximation of a non...

    Petr Dostal, Jiri Vojtesek, Vladimir Bobal in Intelligent Systems in Cybernetics and Aut… (2015)

  13. No Access

    Chapter and Conference Paper

    Using Simulink in Simulation of Dynamic Behaviour of Nonlinear Process

    The contribution shows benefits of using mathematical software Matlab and its add-on for graphical programming Simulink. There are shown two ways of using Simulink for simulating of the dynamic behaviour of th...

    Jiri Vojtesek, Petr Dostal in Intelligent Systems in Cybernetics and Automation Theory (2015)

  14. Article

    Optimal Choice of Weighting Factors in Adaptive Linear Quadratic Control

    Most of the processes in the industry have nonlinear behavior. Control of such processes with conventional control methods could lead to unstable, suboptimal, etc., results. On the other hand, the adaptive con...

    Jiri Vojtesek, Petr Dostal in International Journal of Automation and Computing (2014)

  15. No Access

    Chapter and Conference Paper

    Control of Concentration inside CSTR Using Nonlinear Adaptive Controller

    An adaptive nonlinear control is modification of the classic adaptive control where the controller is divided into the dynamic linear part and the static nonlinear part. The dynamic linear part is constructed ...

    Jiri Vojtesek, Petr Dostál in Nostradamus 2014: Prediction, Modeling and… (2014)

  16. No Access

    Chapter and Conference Paper

    Fuzzy Clustering and Loan Risk Prediction

    Fuzzy logic has had successful applications in risk management. There are different methods used as a support for risk decision making. The article deals with the fundamentals of fuzzy clustering method. The c...

    Petr Dostál, Stanislav Škapa in Nostradamus 2014: Prediction, Modeling and… (2014)

  17. No Access

    Chapter and Conference Paper

    Fuzzy Logic Decision Support for Long-Term Investing in the Financial Markets

    This paper discusses the use of fuzzy logic and modeling as a decision support for long-term investment decisions in the financial markets. A simple model is proposed to calculate recommendations for investors...

    Zdeňek Brož, Petr Dostál in Nostradamus: Modern Methods of Prediction,… (2013)

  18. No Access

    Chapter and Conference Paper

    Adaptive Predictive Control of Time-Delay Systems

    Design of an optimal controller for higher-order systems often leads to complex control algorithms. One of the possibilities of control of such processes is their approximation by a lower-order model with a ti...

    Vladimír Bobál, Marek Kubalčík, Petr Dostál in Nostradamus: Modern Methods of Prediction,… (2013)

  19. No Access

    Chapter and Conference Paper

    Effect of Weighting Factors in Adaptive LQ Control

    An adaptive control is a technique with strong theoretical background and lots of applications to the abstract and real systems. The big advantage can be found in usability of this control method for systems w...

    Jiri Vojtesek, Petr Dostal in Nostradamus 2013: Prediction, Modeling and… (2013)

  20. No Access

    Chapter and Conference Paper

    The Use of Soft Computing Methods for Forecasting in Business, Their Applications in Practice

    Forecasting methods have had successful applications in business. Nowadays the new theories of soft computing are used for these purposes. The applications in business have specific features in comparison with...

    Petr Dostál in Nostradamus: Modern Methods of Prediction,… (2013)

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