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Modeling and control of systems with signal dependent nonlinear danymics

H. Peng, T. Ozaki, Y. Toyoda, K. Oda
2001 2001 European Control Conference (ECC)   unpublished
A modeling and control method for a class of nonlinear systems whose working-point varies with some process variable are presented.  ...  The one of the models is used as the internal model of the predictive controller, and another is applied to predict future values of measurable disturbances used in the predictive controller.  ...  framework using exponential auto-regressive model [9] , for a class of smooth nonlinear system with measurable signal dependent dynamics as illustrated in Section 2, we propose a global ExpARMAX model  ... 
doi:10.23919/ecc.2001.7075879 fatcat:j353scmqpzhtznokds5axdbzr4

The application of the deterministic chaos method in the assessment of the combustion process in diesel engines fitted in non-road vehicles

2011 Combustion Engines  
The paper also presents the signal analyses, limitations of the method, criteria of the process qualification and its accuracy.  ...  systems.  ...  The deterministic chaos theory is a description of nonlinear dynamic systems. So far, for the improvement of the monitoring, diagnostic and control of technical devices linear methods have been used.  ... 
doi:10.19206/ce-117081 fatcat:lmtybdnmvrcczkyb5ndrucwjgu

Air-sea interaction in tropical atmosphere: influence of ocean mixing on atmospheric processes [article]

Dariusz B. Baranowski
2016 arXiv   pre-print
The distance between the islands of Sumatra and Borneo agrees with the distance travelled by an average Kelvin wave in one day.  ...  The investigation of its data shows that substantial fraction of Kelvin waves is initiated as a result of interaction with another Kelvin wave.  ...  In the past a nonlinear shallow water model on the sphere was used to simulate barotropic aspects of Intertropical Convergence Zone (ITCZ) breakdown [Ferreira and Schubert, 1997] .  ... 
arXiv:1603.00902v1 fatcat:rdyujua2frfznfy53kz77rf6nq

The Impact of Radiation pollution of Environment on students' physical Development and health

Grygoriy P. Griban, Natalia A. Lyakhova, Tatiana Ye. Fedorchenko, Kostiantyn M. Kukushkin, Svitlana V. Konovets, Larysa M. Pustoliakova, Alla V. Khatko
2021 Acta Balneologica  
Conclusions: It was established that long-term residence in the area with low doses of radioactive contamination has a negative impact on the physical development and health of the students.  ...  Aim: To study the impact of small doses of radiation pollution of environment on the physical development and health of students from different areas of residence. materials and methods: The study was  ...  , and also the use of interdental agents on models with subsequent control.  ... 
doi:10.36740/abal202103116 fatcat:swcwptn22zbd5bcwmfoywge66i


Politechnika Warszawska, Randall, Raj Rao, Dr Gajraj, Singh Yadava
A vehicle model is a set of interconnected partial models: a driver model; a steering system model; a power transmission system model; a model of wheel cooperation with the ground (a wheel model in combination  ...  Intelligent materials and structures include: structures with controlled geometry (shape), structures with controlled vibrations and structures with controlled condition.  ...  control and analysis of the system's functioning; -Development of the behavioral model For motorts general efficiency is determined on dependence: Taking to account for (8) and (9) i , that Editors  ... 

Trends in interest of COVID-19 on Polish Internet

Andrzej Jarynowski, Monika Wójta-Kempa, Vitaly Belik
2020 Przeglad Epidemiologiczny  
Later on, there was a decay in the interest with additional phases related to physical distancing and an anti-crisis legislation act associated with pronounced local peaks.  ...  (before and after official introduction of COVID-19 to Poland on 04.03.2020).  ...  Code and data are available at https://  ... 
doi:10.32394/pe.74.20 pmid:33112108 fatcat:jtlq4ytsongghh6zvirlkctszq

Analysis of customers' preferences in the aspect of modernization or formation of distribu-tion channels of organic products

Justyna Obrzut, Andrzej Borusiewicz, Ireneusz Kaczmar, Maciej Kuboń, Elżbieta Olech, Ireneusz Żuchowski
2021 Zeszyty Naukowe Szkoły Głównej Gospodarstwa Wiejskiego w Warszawie. Ekonomika i Organizacja Logistyki  
Acknowledgments Current Authors would like to express their gratitude to the two anonymous reviewers of this article whose rich insights were invaluable in revising and improving the material.  ...  Depending on the model orientation, a calculation of the efficiency is made focused on: the input minimization or on the output maximization.  ...  It is known that efficiencies depend on the number of inputs and outputs included in the specification.  ... 
doi:10.22630/eiol.2021.6.2.11 fatcat:qhwumugjerdzpacfkvcq4wmfmi


Politechnika Warszawska, Randall, Raj Rao, Politechnika Śląska, Yavlensky Alexandr
The task of searching the dependency between inputs (values of observed signals features) and outputs (values of auxiliary signals features) of local models (see Fig. 2 -selection of the auxiliary signals  ...  Process modelling in closed loop control and is controlled by PID controller. The model is designed applying the multilayer perceptron with tapped delay lines.  ...  The method applied in research is parametric system identification with use of AR,ARX models.  ... 

Polska Akademia Nauk Oddział w Gdańsku Metody Informatyki Stosowanej Metody Informatyki Stosowanej Kwartalnik Komisji Informatyki Polskiej Akademii Nauk Oddział w Gdańsku Spis treści

Komisja Informatyki, Antoni Wiliński, Piotr Czapiewski, Włodzimierz Bielecki, Krzysztof Kraska
2008 unpublished
, U -vector of control signals, A and B -unknowns matrices with adequate dimension and with fixed coefficients.  ...  identification tasks will be demonstrated on an example of fourth order system with one control signal.  ...  were obtained as a result of sim lation the nonlinear model (9) for fixed initial conditions.  ... 

Polska Akademia Nauk Oddział w Gdańsku Metody Informatyki Stosowanej Metody Informatyki Stosowanej Kwartalnik Komisji Informatyki Polskiej Akademii Nauk Oddział w Gdańsku Spis treści

Komisja Informatyki, Antoni Wiliński, Piotr Czapiewski, Piotr Andruszkiewicz, Metauczenie Mośliwość, Poprawy Skuteczności, Lech Baranowski, Ilona Bluemke
2008 unpublished
Expressiveness and Suitability of Languages for Control Flow Modelling in Workflows.  ...  Nonlinearity of this S-box is 110 and its nonlinear degree is 7. Eight Boolean functions that constitute this S-box have the nonlinearities equal to 110 or 112 and all are of degree 7.  ...  this paper is a recapitulation of research conducted hitherto on the evaluation of business process modeling methods and techniques.  ... 


Politechnika Warszawska, Randall, Raj Rao, Dr Gajraj, Singh Yadava
MODEL OF "PUMP AGGREGATE -PIPELINE" SYSTEM WITH CONTROLED DRIVING MATCH ON DIAGNOSTIC REQUIREMENTS Summary The aim of the paper is construction of "pump aggregate -pipeline" system model consists of frequency  ...  In automatic control systems, defects may occur in sensors, actuators and/or components of the controlled process.  ...  Processed of diagnostic signals of acceleration vibration oscillations behind assistance of measuring line, have been analyzed with utilization computer techniques in sphere of time, amplitudes and frequencies  ... 


Politechnika Warszawska, Randall, Raj Rao
An agent theory consists of its knowledge of the subsystem with which it is concerned and its interaction with other subsystems, together with some abstract knowledge about other parts/models of the system  ...  Podobnie Separate problem is the transition from modeling of nonlinear phenomena to using such models in diagnostics.  ...  THE METHOD LOGGING OF RESIDUAL AND DIFFERENTIAL SIGNALS FOR GEAR WORKING WITH VARIABLES THE ROTATIONAL SPEEDS AND LOADS Summary Analyzing of residual and differential signals are usefulness methods for  ... 


Politechnika Warszawska, Randall, Raj Rao, Dr Gajraj, Singh Yadava
Modelled signals were recognized within sensitive symptoms of two sub models: model of propulsion system and model of shafts misalignment.  ...  C.: Past, present and future of nonlinear system identification in structural dynamics, Mech. Systems and Signal Processing 20, 2006, pp. 505 -592. Dr in .  ...  The strategies of the diagnostic fault signalization for the on board diagnostic systems are presented: strategy of the symptom confirmation with moving average and statistical analysis of the tests.  ... 


Редакція журналу
2021 Збірник наукових праць Національної академії Державної прикордонної служби України. Серія: військові та технічні науки  
signals with line and nonlinear intra resistance frequency modulation and changeable period of repetition in modern radar stations in order to solve the problem of detecting and tracking different targets  ...  It is recommended to use a multidimensional model of storage and presentation of information when working with logistics information systems, which will ensure the definition of all hierarchical components  ...  In order to solve these problems, the factors that significantly affect the level of survivability and efficient operation of the logistics system are identified.  ... 
doi:10.32453/3.v84i1.797 fatcat:e7eqc75tr5ghrnv3tz7coyoln4

Polska Akademia Nauk Oddział w Gdańsku Metody Informatyki Stosowanej Metody Informatyki Stosowanej Kwartalnik Komisji Informatyki Polskiej Akademii Nauk Oddział w Gdańsku Spis treści

Komisja Informatyki, Marian Adamski, Zbigniew Banaszak, Alexander Barkalov, Włodzimierz Bielecki, Janusz Bobulski, Piotr Bubacz, Ryszard Budziński, Henryk Budzisz, Dariusz Burak, Jacek Czarnecki, Andrzej Czyżewski (+75 others)
2009 unpublished
As a result the final model is a nonlinear set of equations that depends on flow rate and temperature, only.  ...  With a help of usually 2-input simple submodels (modules), we can model inner signals/features of the system.  ...  So, in experiments there will be modelled nonlinear functions of 4 variables with a known formula that can be decomposed and modelled with help of the modular approach.  ... 
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