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Wyszukujesz frazę "control analysis" wg kryterium: Temat


Tytuł:
Controlling in the Process of Managing a Modern Enterprise
Autorzy:
Dźwigoł, H.
Bezchasnyi, O.
Powiązania:
https://bibliotekanauki.pl/articles/2064963.pdf
Data publikacji:
2018
Wydawca:
STE GROUP
Tematy:
control functions
control analysis
implementation of controlling
Opis:
The aim of the article is the analysis of controlling in relation to the management of a contemporary enterprise. Against this background, the essence and concept of controlling, its classification and importance for the development of the company were presented. The scope of controlling applications in enterprises' operations depends mainly on the needs of management staff and their managerial awareness. The fact that the views concerning him are not unambiguous, they do not have a universal form, equally understood terms and tasks, strictly defined and assigned actions or methods, is of great significance. The area with which controlling is related applies to all areas of the company's operations. Support for business management takes place in the area of the entire organization. Controlling with its instruments reaches everywhere, coordinates management in all company's cells. Presented premises in the scope of organization of controlling in enterprises, allow to state that the smaller enterprise, the more often controlling appears as a linear cell or a group of cells located in the linear hierarchy. In addition, they indicate that the time of implementation of controlling in the case of large enterprises (in this case also state-owned) is longer than in enterprises from the SME sector (most often private), which is mainly related to the reluctant attitude to changes of employees and management of these organizations, and their internal adjustments.
Źródło:
Multidisciplinary Aspects of Production Engineering; 2018, 1, 1; 577--585
2545-2827
Pojawia się w:
Multidisciplinary Aspects of Production Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Metabolic control analysis of integrated energy metabolism in permeabilized cardiomyocytes - experimental study
Autorzy:
Tepp, Kersti
Timohhina, Natalja
Chekulayev, Vladimir
Shevchuk, Igor
Kaambre, Tuuli
Saks, Valdur
Powiązania:
https://bibliotekanauki.pl/articles/1040302.pdf
Data publikacji:
2010
Wydawca:
Polskie Towarzystwo Biochemiczne
Tematy:
cardiomyocytes
creatine kinase
metabolic control analysis
respiration
mitochondria
Opis:
The main focus of this research was to apply Metabolic Control Analysis to quantitative investigation of the regulation of respiration by components of the Mitochondrial Interactosome (MI, a supercomplex consisting of ATP Synthasome, mitochondrial creatine kinase (MtCK), voltage dependent anion channel (VDAC), and tubulin) in permeabilized cardiomyocytes. Flux control coefficients (FCC) were measured using two protocols: 1) with direct ADP activation, and 2) with MtCK activation by creatine (Cr) in the presence of ATP and pyruvate kinase-phosphoenolpyruvate system. The results show that the metabolic control is much stronger in the latter case: the sum of the measured FCC is 2.7 versus 0.74 (ADP activation). This is consistent with previous data showing recycling of ADP and ATP inside the MI due to the functional coupling between MtCK and ANT and limited permeability of VDAC for these compounds, PCr being the major energy carrier between the mitochondria and ATPases. In physiological conditions, when the MI is activated, the key sites of regulation of respiration in mitochondria are MtCK (FCC = 0.93), adenine nucleotide translocase ANT (FCC = 0.95) and CoQ cytochrome c oxidoreductase (FCC = 0.4). These results show clearly that under the physiological conditions the energy transfer from mitochondria to the cytoplasm is regulated by the MI supercomplex and is very sensitive to metabolic signals.
Źródło:
Acta Biochimica Polonica; 2010, 57, 4; 421-430
0001-527X
Pojawia się w:
Acta Biochimica Polonica
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Data mining model for quality control of primary aluminum production process
Autorzy:
Horvath, M.
Vircikova, E.
Powiązania:
https://bibliotekanauki.pl/articles/406754.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
quality control analysis
data mining
multivariate autocorrelated process
quality improvement
Opis:
Traditional statistical process control approaches are less effective in dealing with multivariate and autocorrelated processes. With the continual increase in process complexity, this inefficiency is becoming more apparent. A special type of multivariate and autocorrelated process is a process occurring within a heterogeneous production environment (a variety of types of machines, pots, etc. used for the same task). This makes the quality control of such processes more difficult. The approach presented in the paper utilizes time series fitting, cluster analysis and association mining in relation to a single data mining model for the analysis of complex multivariate autocorrelated processes. The aim is to divide the production cells (machines, pots, etc.) into groups exhibiting similar behaviors. This can then be used for more effective quality control of the entire process and afterwards to analyze the reasons for this behavior. This paper includes someof the results obtained from applying the model to an actual multivariate high autocorrelated process, the production of primary aluminum using the Hall-Heroult electrolysis process. The Hall-Heroult electrolysis process is a continual process that is ongoing in several pots simultaneously. The average plant operates 300 pots. Therefore, the quality control of such a complex process faces many issues concerning monitoring and problem diagnosis. The paper describes a method for dividing the pots into control groups exhibiting similar behaviors, which can then be used in the planning phase of the quality control analysis and to make improvements within these groups and thereby within the whole process.
Źródło:
Management and Production Engineering Review; 2012, 3, 4; 47-53
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Automatic control of ship motion conducting search in open waters
Autorzy:
Kula, Krzysztof Stefan
Powiązania:
https://bibliotekanauki.pl/articles/1573705.pdf
Data publikacji:
2020
Wydawca:
Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:
computer control
IMC control
safety and risk analysis
Opis:
In this work a search operation support system is presented, which is an additional autopilot function block. Its task is to lead a vessel included in the search by the SAR services to the datum position on the basis of the data entered by the operator into the system and then automatically to search the indicated area according to the newly defined search pattern. The set goal can be achieved thanks to the autopilot that guides the ship along a given trajectory consisting of straight lines and arcs. High control accuracy is provided by the IMC control system using a relatively simple non-linear ship model. The simulation tests of the tanker model confirmed that the indicated search area can be precisely checked in a shorter time than when using the expanding square search pattern.
Źródło:
Polish Maritime Research; 2020, 4; 157-169
1233-2585
Pojawia się w:
Polish Maritime Research
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Comprehensive approach to the inventory control system improvement
Autorzy:
Krajčovič, M.
Plinta, D.
Powiązania:
https://bibliotekanauki.pl/articles/407413.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
inventory control system
inventory analysis
ABC/XYZ analysis
Opis:
This paper describes a methodology for inventory analysis and reduction, which was developed at the Department of Industrial Engineering, Faculty of Mechanical Engineering, University of Zilina. The methodology describes the optimal procedure for the application of basic analytical methods and tools in practice. The results of the analysis are in the algorithm linked to the subsequent actions realized to improve inventory management system and to minimize inventory level in the company. Described procedure is the result of methodology examination and verification in practical conditions of production enterprises. In the following sections of this paper, there are presented a comprehensive approach to the inventory analysis and the own algorithm, which contains 3 phases: inventory analysis on enterprise level, summary analysis of individual item groups and individual analysis of material items. In the last section, there are described examples of results from such analysis and conclusions. The presented approach is an attempt to create a universal procedure of analysis which integrates methods and tools described in various publications.
Źródło:
Management and Production Engineering Review; 2012, 3, 3; 34-44
2080-8208
2082-1344
Pojawia się w:
Management and Production Engineering Review
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bridges with adaptive railway track
Mosty z samo-ataptującym się torem kolejowym
Autorzy:
Flont, P.
Holnicki-Szulc, J.
Powiązania:
https://bibliotekanauki.pl/articles/281398.pdf
Data publikacji:
2002
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
adaptive bridges
shape control
dynamic analysis
Opis:
The concept of an adaptive railway track, consisting of sleepers initially elevated (with the curvature tailored according to the detected, coming train) and then yielding in a controlled way under the moving vehicle is discussed. The problem formulated as a shape control requiring the minimum integral measure of the track deflection gives, as a side effect, a significant reduction of the corresponding integral measure of the dynamic contact forces between the track and wheels.
Omówiona koncepcja samo-adaptującego się toru kolejowego opiera się na zastosowaniu inteligentnych podkładów. Podkłady, których wysokość może być zmieniana dzięki wyposażeniu ich w siłowniki, zastępują podkłady (mostownice) na moście. Idea adaptacyjnego toru polega na wstępnym uniesieniu toru, którego krzywizna dopasowana jest do zidentyfikowanego, nadjeżdżającego pociągu i następnie w kontrolowany sposób opuszczaniu pod przejeżdżającym pociągiem. Zdanie zstało sformułowane jako sterowanie kształtem toru przy założeniu minimalizacji całkowitej miary uogólnionego przemieszczenia toru. Jako efekt uboczny można spodziewać się znacznej redukcji skojarzonej całkowitej miary dynamicznego przyrostu obciążenia powstającego pomiędzy torem a kołami pociągu.
Źródło:
Journal of Theoretical and Applied Mechanics; 2002, 40, 3; 533-547
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Discriminant Analysis and Optimization Applied to Vibration Signals for the Quality Control of Rotary Compressors in the Production Line
Autorzy:
Reis, Déborah
Vanzo, Fernanda
Reis, Jorge
Duarte, Marcus
Powiązania:
https://bibliotekanauki.pl/articles/176740.pdf
Data publikacji:
2019
Wydawca:
Polska Akademia Nauk. Czasopisma i Monografie PAN
Tematy:
discriminant analysis
noise
optimization
quality control
Opis:
In this paper, the applications of the multivariate data analysis and optimization on vibration signals from compressors have been tested on the assembly line to identify nonconforming products. The multivariate analysis has wide applicability in the optimization of weather forecasting, agricultural experiments, or, as in this case study, in quality control. The techniques of discriminant analysis and linear program were used to solve the problem. The acceleration and velocity signals used in this work were measured in twenty-five rotating compressors, of which eleven were classified as good baseline compressors and fourteen with manufacturing defects by the specialists in the final acoustic test of the production line. The results obtained with the discriminant analysis separated the conforming and nonconforming groups with a significance level of 0.01, which validated the proposed methodology.
Źródło:
Archives of Acoustics; 2019, 44, 1; 79-87
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Application of extreme value analysis in the assessment of budget variance risk
Autorzy:
Kes, Zdzisław
Kuźmiński, Łukasz
Powiązania:
https://bibliotekanauki.pl/articles/425201.pdf
Data publikacji:
2019
Wydawca:
Wydawnictwo Uniwersytetu Ekonomicznego we Wrocławiu
Tematy:
budgetary control
statistical methods of budgetary control
extreme value analysis
Opis:
This paper presents the methods for the evaluation of budget variance risk, i.e. the risk of a difference between the budgeted and actual figures. The postulated approach is based on extreme value analysis (EVA), to offer, among other things, the evaluation of maxima distribution parameters for studied phenomena. The proper recognition of these parameters yields potential for calculation of probabilities for budget variance to pass certain levels established as critical. This methodology can be used to evaluate deviation levels by time period, and to compare them against historical data. The main objective of this paper was to examine the utility of the theory of extreme values in the estimation of budget deviation risks. The study presents the results of probabilistic analyses of data obtained from a budgetary cost control unit of a production company located in eastern Poland, for the period of 2011-2012. The developed method of analysis and assessment of budget deviations is in line with the development of concepts and methods of management accounting.
Źródło:
Econometrics. Ekonometria. Advances in Applied Data Analytics; 2019, 23, 2; 80-98
1507-3866
Pojawia się w:
Econometrics. Ekonometria. Advances in Applied Data Analytics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The use of the linear form of dynamical equations of the satellite attitude control system for its analysis and synthesis
Autorzy:
Moldabekov, Meirbek
Sukhenko, Anna
Shapovalova, Darya
Yelubayev, Suleimen
Powiązania:
https://bibliotekanauki.pl/articles/1839688.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
synthesis
stability analysis
attitude control system
satellite
Opis:
At present, the methods based on using linearized dynamical equations are applied for syn- thesis of an attitude control system of a satellite with nonlinear dynamics. Linearized equa- tions describe the satellite dynamics approximately, which is the main their disadvantage. This article shows that basing on the angular momentum theorem, the nonlinear dynamical equations of the satellite attitude control system can be represented in the form of linear differential equations with variable coefficients, which makes it possible to use engineering methods of stability analysis and analysis of transient quality in the process of synthesis of the satellite attitude control system.
Źródło:
Journal of Theoretical and Applied Mechanics; 2021, 59, 1; 109-120
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Design and Movement Control of a 12-Legged Mobile Robot
Autorzy:
Rysiński, J.
Gola, B.
Kopeć, J.
Powiązania:
https://bibliotekanauki.pl/articles/384992.pdf
Data publikacji:
2015
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
mobile robot
design
control
kinematic analysis
Opis:
In the present paper, design and performance of 12-legged walking robot is described. The complete technical specification was developed for the proposed solution. The analysis of stability of the robot movements was undertaken. Communication between robot and operator is based on remote control procedures performed by means of own software which is written in versions for smartphone or desktop computer. The software version for desktop computers has additional useful features i.e. monitoring of the area of robot work/activity via a wireless camera mounted on fore side of the robot.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2015, 9, 4; 39-47
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Ensuring Organisational Security from the Perspective of Security Sciences
Autorzy:
Płonka, Bogusław
Powiązania:
https://bibliotekanauki.pl/articles/1808093.pdf
Data publikacji:
2019-04-11
Wydawca:
Wyższa Szkoła Bezpieczeństwa Publicznego i Indywidualnego Apeiron w Krakowie
Tematy:
organisational security
control models
risk analysis
Opis:
This paper is dedicated to the topic of security in the context of activities carried out by organisations. The analysis of the security-related context of the enterprises, decisions and threats that often co-occur with organisational activities is an interesting challenge for a researcher. The aspiration to ensure their own survival and undisturbed development is the basic driving force behind all organisations. In the following paper, the author explains the meaning of basic terms connected with the aforementioned issues, such as uncertainty, risk and security. The models and dimensions of control are discussed consecutively, as well as the methods and techniques utilised in risk assessment. Control and risk analysis are currently the means of counteracting threats that is most commonly used in organisations. The aim of the paper is to carry out the review of the hitherto existing research stipulations regarding the sphere of organisational security. The author points out that the problem of organisational security, treated as a core research subject, may be successfully developed and elaborated within the framework of security sciences discipline.
Źródło:
Security Dimensions; 2018, 28(28); 122-140
2353-7000
Pojawia się w:
Security Dimensions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Verification of the Calculation Assumptions Applied to Solutions of the Acoustic Measurements Uncertainty
Autorzy:
Batko, W.
Bal, R.
Powiązania:
https://bibliotekanauki.pl/articles/176297.pdf
Data publikacji:
2014
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
environmental noise control
statistical analysis
acoustic measurement
uncertainty
Opis:
The assessment of the uncertainty of measurement results, an essential problem in environmental acoustic investigations, is undertaken in the paper. An attention is drawn to the – usually omitted – problem of the verification of assumptions related to using the classic methods of the confidence intervals estimation, for the controlled measuring quantity. Especially the paper directs attention to the need of the verification of the assumption of the normal distribution of the measuring quantity set, being the base for the existing and binding procedures of the acoustic measurements assessment uncertainty. The essence of the undertaken problem concerns the binding legal and standard acts related to acoustic measurements and recommended in: ‘Guide to the expression of uncertainty in measurement’ (GUM) (OIML 1993), developed under the aegis of the International Bureau of Measures (BIPM). The model legitimacy of the hypothesis of the normal distribution of the measuring quantity set in acoustic measurements is discussed and supplemented by testing its likelihood on the environment acoustic results. The Jarque-Bery test based on skewness and flattening (curtosis) distribution measures was used for the analysis of results verifying the assumption. This test allows for the simultaneous analysis of the deviation from the normal distribution caused both by its skewness and flattening. The performed experiments concerned analyses of the distribution of sound levels: LD, LE, LN, LDWN, being the basic noise indicators in assessments of the environment acoustic hazards.
Źródło:
Archives of Acoustics; 2014, 39, 2; 199-202
0137-5075
Pojawia się w:
Archives of Acoustics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Simulation and experimental results of hybrid electric machine with a novel flux control strategy
Autorzy:
Paplicki, P.
Wardach, M.
Bonisławski, M.
Pałka, R.
Powiązania:
https://bibliotekanauki.pl/articles/140694.pdf
Data publikacji:
2015
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
PM machines
FEM analysis
experimental results
control strategy
field control capability
efficiency maps
Opis:
The paper presents selected simulation and experimental results of a hybrid ECPMS-machine (Electric Controlled Permanent Magnet Synchronous Machine). This permanent magnets (PMs) excited machine offers an extended magnetic field control capability which makes it suitable for battery electric vehicle (BEV) drives. Rotor, stator and the additional direct current control coil of the machine are analyzed in detail. The control system and strategy, the diagram of power supply system and an equivalent circuit model of the ECPMS-machine are presented. Influence of the additional excitation on the performance parameters of the machine, such as: torque, efficiency, speed limits and back-EMF have also been discussed.
Źródło:
Archives of Electrical Engineering; 2015, 64, 1; 37-51
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The nonsmooth maximum principle
Autorzy:
Clarke, F. H.
Pinho, M. R. de
Powiązania:
https://bibliotekanauki.pl/articles/970885.pdf
Data publikacji:
2009
Wydawca:
Polska Akademia Nauk. Instytut Badań Systemowych PAN
Tematy:
optimal control
Pontryagin maximum principle
nonsmooth analysis
Opis:
We present a brief survey of the nonsmooth maximum principle of optimal control, focusing, in particular, upon the alternative forms of the adjoint equation. We obtain a new version of the theorem that asserts for the first time the full Weierstrass condition together with the Euler form of the adjoint equation, thereby extending a result of de Pinho and Vinter. The new theorem also features stratified hypotheses and conclusions. Two examples illustrate its use.
Źródło:
Control and Cybernetics; 2009, 38, 4A; 1151-1167
0324-8569
Pojawia się w:
Control and Cybernetics
Dostawca treści:
Biblioteka Nauki
Artykuł

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