Wszystkie pola: M. R. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Optimization measurement method for checkweigher
Autorzy:: Ugodziński, R.
Kamiński, M.
Nowicki, M.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/114697.pdf
Data publikacji:: 2015
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: checkweigher
optimization
weighing methods
filter
Opis:: Abstract: The paper presents a new measurement method for checkweighers, where the measurement result is obtained by solving a simple optimization problem. The method assumes that the mass of constant geometry and a small masses spread is measured. The measurement accuracy changes as a function of noise-eliminating low-pass filter frequency was investigated. The state of knowledge about the filtration of checkweigher signal is also summarized.
Źródło:: Measurement Automation Monitoring; 2015, 61, 2; 39-42
2450-2855
Pojawia się w:: Measurement Automation Monitoring
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Temperature error of Hall-effect and magnetoresistive commercial magnetometers
Autorzy:: Nowicki, M.
Kachniarz, M.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/141287.pdf
Data publikacji:: 2017
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: magnetic field measurement
magnetometers
Hall-effect
magnetoresistive
temperature error
Opis:: The paper presents a special measurement system for investigation of temperature influence on the indication of commercially available sensors of the magnetic field. Utilizing the developed system, several magnetoresistive and Hall-effect sensors were investigated within the temperature range from –30°C to 70°C. The obtained results indicate that sensitivity of most of the investigated sensors is unaffected, except the basic magnetoresistive device. However, Hall-effect sensors exhibit considerable temperature drift, regardless of the manufacturer.
Źródło:: Archives of Electrical Engineering; 2017, 66, 3; 625-630
1427-4221
2300-2506
Pojawia się w:: Archives of Electrical Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Changes in melatonin content in conditioned corn (Zea mays L.) and cucumber (Cucumis sativus L.) seeds
Autorzy:: Rakowiec, M.
Parczewska, A.
Szewczyk, R.
Kolodziejczyk, I.
Posmyk, M.M.
Powiązania:: https://bibliotekanauki.pl/articles/80461.pdf
Data publikacji:: 2013
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: conference
exogenous melatonin
corn
Zea mays
cucumber
Cucumis sativus
seed
germination
seedling growth
Źródło:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 3
0860-7796
Pojawia się w:: BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Automatic Measurement Station for Ferrite Materials Testing
Autorzy:: Charubin, T.
Nowak, P.
Nowicki, M.
Szewczyk, R.
Urbański, M.
Powiązania:: https://bibliotekanauki.pl/articles/1031017.pdf
Data publikacji:: 2018-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.60.Ej
75.47.Lx
52.70.Ds
Opis:: The paper presents automatic and modular measurement station for the magnetic materials testing. It allows for measurements of magnetic hysteresis loops under various regimes (sine, triangle or arbitrary magnetizing field, sine or triangle magnetic flux density) and relative permeability curves. The modular nature of the system allows for measurements of magnetic parameters under additional external influences, such as temperature and stress. The system is currently used for measurements of ferrite materials parameters.
Źródło:: Acta Physica Polonica A; 2018, 133, 4; 1049-1052
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: The Influence of Thermomagnetic Treatment on the Magnetoelastic Characteristics of Fe₆₁Co₁₉Si₅B₁₅ Amorphous Alloys
Autorzy:: Salach, J.
Szewczyk, R.
Svec Sr, P.
Bieńkowski, A.
Jackiewicz, D.
Svec, P.
Nowicki, M.
Winiarski, W.
Kachniarz, M.
Gruszecka, M.
Powiązania:: https://bibliotekanauki.pl/articles/1387877.pdf
Data publikacji:: 2015-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.80.+q
75.50.Kj
Opis:: Information about magnetoelastic properties of newly developed amorphous magnetic alloys is very important from practical point of view, especially in the case of high permeability materials such as the Fe₆₁Co₁₉Si₅B₁₅ amorphous alloy. In the case of such materials, effect connected with the influence of external stresses on the magnetic properties of the alloy should be tested. This paper presents experimental results of the magnetoelastic properties investigation of the Fe₆₁Co₁₉Si₅B₁₅ amorphous alloy, annealed without magnetic field as well as in the magnetic field. Such thermo-magnetic treatment generated anisotropy has significant influence on the total free energy of magnetic material. In the magnetoelastic investigation, the compressive stress was applied to the ring shaped core, perpendicularly to the magnetizing field direction. Due to the fact, that cores with closed magnetic circuits were used, demagnetization did not change the balance of total free energy in the material.
Źródło:: Acta Physica Polonica A; 2015, 127, 2; 617-619
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Discrete Inverse Transformation for Eddy Current Tomography
Autorzy:: Nowak, P.
Urbański, M.
Raback, P.
Ruokolainen, J.
Kachniarz, M.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/1030496.pdf
Data publikacji:: 2018-03
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 02.30.Zz
87.63.Pn
02.70.Dh
81.70.-q
Opis:: Paper presents results of a discrete inverse tomography transformation on exemplary results from eddy current tomography setup. Eddy current phenomena is highly non-linear and measurement results are ill-posed function of distribution of physical properties of the matter (mostly electrical conductivity and magnetic permeability). Thus the inverse transformation (reconstruction of objects shape) is based on an optimization algorithm in which objects model is described as a discrete array. With the usage of Finite Element Method (FEM) tomography measurement process is reconstructed and modelling results are compared with the measurement.
Źródło:: Acta Physica Polonica A; 2018, 133, 3; 701-703
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Development of Graphene Based Flow Sensor
Autorzy:: Kowalski, A.
Safinowski, M.
Szewczyk, R.
Winiarski, W.
Powiązania:: https://bibliotekanauki.pl/articles/385013.pdf
Data publikacji:: 2015
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: graphene
flow
sensor
voltage
Opis:: This paper shows the research on a flow sensor based on graphene. Presented Results show the linear relation between voltage induced on graphene layer and flow velocity. The measurement shows that signal level is relatively low, and it is highly correlated with the time of the sample being submerged in water. A significant temperature dependency has been shown which indicates on necessity to develop a compensation system for the sensor. On the other hand, induced voltage is related to ion concentration of the liquid, so the sensor must be recalibrated for every working environment. The most important thing that turned out during research is that although the voltage signal itself is highly inconsistent, the difference between its value in steady state and for flowing liquid is always visible and correlated to the flow value – this property can be used in further deployment. Huge advantage of the sensor is also its scalability which opens so far unknown possibilities of applications.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2015, 9, 4; 55-57
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Application of magnetovision for detection of dangerous objects
Autorzy:: Nowicki, M.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/385177.pdf
Data publikacji:: 2013
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: magnetovision
magnetoresistive sensors
magnetic imaging
Opis:: Paper presents application of magnetovision in weak magnetic fields for public security systems. Measurement system was developed to study the magnetic field vector distributions. The measurements of the Earth’s field disturbances caused by ferromagnetic objects were carried out. The ability for passive detection of selected dangerous objects and determine their location was demonstrated.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2013, 7, 2; 70-74
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Design of the Novel Double-ring Dynamical Gravimeter
Autorzy:: Korobiichuk, I.
Nowicki, M.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/384837.pdf
Data publikacji:: 2015
Wydawca:: Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:: gravimeter
gyroscope
aircraft gravimetric system
Opis:: In this paper, a description of the design and operation principle of the double-ring dynamically tuned gravimter is given. This design allows for the gravimeter signal separation from the noise, which makes it possible to increase the measurement accuracy of Earth’s gravitational field anomalies using gravimetric aviation system to 1 mGal.
Źródło:: Journal of Automation Mobile Robotics and Intelligent Systems; 2015, 9, 3; 47-51
1897-8649
2080-2145
Pojawia się w:: Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Magnetovision Scanning System for Detection of Dangerous Objects
Autorzy:: Nowicki, M.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/1202312.pdf
Data publikacji:: 2014-07
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 81.70.-q
85.75.Ss
Opis:: This paper presents an application of magnetovision based measurements to develop a method for passive detection of dangerous ferromagnetic objects. Scanning system was designed and built to study the magnetic field vector distributions. The measurements of the Earth's field disturbances caused by ferromagnetic objects were carried out. The ability for passive detection of selected dangerous objects was demonstrated. Further data processing allowed for determining the (x,y) coordinates of the object relative to the plane of measurement, and even the possibility of calculating the distance from the object. The results obtained indicate that it is possible to detect and determine the location of dangerous ferromagnetic objects. This opens the new way to use magnetovision in public security systems, in particular for the detection of dangerous objects by police and sapper robots.
Źródło:: Acta Physica Polonica A; 2014, 126, 1; 382-383
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Magnetoelastic Villari Effect in Structural Steel Magnetized in the Rayleigh Region
Autorzy:: Kachniarz, M.
Kołakowska, K.
Salach, J.
Szewczyk, R.
Nowak, P.
Powiązania:: https://bibliotekanauki.pl/articles/1030824.pdf
Data publikacji:: 2018-03
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.30.-m
75.60.-d
75.50.Cc
75.80.+q
07.10.Lw
Opis:: The following paper presents the results of investigation on the magnetoelastic Villari effect in structural steel magnetized in the so-called Rayleigh region, which corresponds to relatively low magnetizing fields, much lower than coercive field. Two grades of structural steel were investigated during the performed measurements. Obtained results indicate significant correlation between applied mechanical stress and magnetic properties of the investigated materials.
Źródło:: Acta Physica Polonica A; 2018, 133, 3; 660-662
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Temperature Resistance of Magnetoelastic Characteristics of 13CrMo4-5 Constructional Steel
Autorzy:: Jackiewicz, D.
Kachniarz, M.
Rozniatowski, K.
Dworecka, J.
Szewczyk, R.
Salach, J.
Bienkowski, A.
Winiarski, W.
Powiązania:: https://bibliotekanauki.pl/articles/1387805.pdf
Data publikacji:: 2015-02
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 46.25.Hf
07.55.-w
75.30.-m
Opis:: In the paper the results of investigation on tensile stresses dependence of magnetoelastic characteristics of cores made of 13CrMo4-5 constructional steel are presented. In the investigation step-cooling test treated samples were used. The step-cooling test process is a type of heat treatment simulating effects of passing time and environmental conditions (temperature and stress) on the sample. In the paper the method of testing the influence of stresses on the magnetic characteristics is presented. Frame shaped samples ensured a closed magnetic circuit and homogeneous distribution of stress. It was found that step-cooling test does not significantly influence the magnetoelastic characteristics and the structure of the samples. On the other hand, then tensile stresses significantly change the magnetic characteristics of 13CrMo4-5 constructional steel. That confirms the possibility of using measurements based on the magnetoelastic effect in the stress assessment for industrial non destructing testing of steel constructions.
Źródło:: Acta Physica Polonica A; 2015, 127, 2; 614-616
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Utilization of Eddy Current Tomography in Automotive Industry
Autorzy:: Nowak, P.
Nowicki, M.
Juś, A.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/1032668.pdf
Data publikacji:: 2017-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 85.80.Jm
87.10.Kn
Opis:: Paper presents utilized innovative setup for eddy current tomography and possibility of its utilization in automotive industry. Described tomography setup is designed for testing axisymmetric objects thus motor valve was selected for exemplary testing. Tests were conducted on motor valve in original state. Afterwards reference defect was created on element and measurements were repeated. Significant difference between tests results were observed, thus potential for utilization in automotive industry was confirmed. Finite element method simulations were applied in order to confirm the measurement results. Calculations were conducted in open-source finite element method software, which solves Maxwell equations in the A-V form. Modelling results confirm possibility of finite element method-based inverse tomography transformation.
Źródło:: Acta Physica Polonica A; 2017, 131, 4; 1168-1170
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Magnetoelastic Villari Effect in Ferrite Materials for Force and Stress Sensors Working in Low Magnetizing Field Region
Autorzy:: Kachniarz, M.
Bieńkowski, A.
Salach, J.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/1030958.pdf
Data publikacji:: 2018-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 75.30.-m
75.60.-d
75.50.Gg
75.80.+q
07.10.Lw
Opis:: The following paper presents the original results of investigation on the magnetoelastic properties of ferrite materials magnetized in low field region, which could be utilized in development of force and stress sensors. The objects of investigation were two ferrite materials (manganese-zinc Mn-Zn and nickel-zinc Ni-Zn). The magnetoelastic characteristics of the materials were investigated with the special measurement system, allowing measurement of magnetic parameters of the ferrite materials magnetized with low fields under the influence of the compressive stress. The obtained results indicate that there is a strong correlation between the magnetic properties of the material in low magnetizing field region, and applied mechanical stress, which allows development of the magnetoelastic stress or force sensor with ferrite core working in low magnetizing field region.
Źródło:: Acta Physica Polonica A; 2018, 133, 4; 1056-1059
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Utilization of Electromagnetic Tomography for Ferrite Rings Testing
Autorzy:: Nowak, P.
Nowicki, M.
Gromada, K.
Szewczyk, R.
Powiązania:: https://bibliotekanauki.pl/articles/1030849.pdf
Data publikacji:: 2018-04
Wydawca:: Polska Akademia Nauk. Instytut Fizyki PAN
Tematy:: 85.80.Jm
87.10.Kn
Opis:: Paper presents utilized innovative setup for eddy current tomography and possibility of its utilization in testing oxide materials such as ferrites. Previously reported tests concerned materials with high conductivity which is the most typical usage of eddy current tests. Described tomography setup is designed for testing axisymmetric objects thus typical ferrite ring was selected for exemplary testing. Tests were conducted on ring in original state. Afterwards reference defect was created on element and measurements were repeated. Significant difference between tests results were observed, thus potential for utilization in controlling of ferrite rings manufacturing process was confirmed. Finite element method simulations were applied in order to confirm the measurement results. Calculations were conducted in open-source finite element method software, which solves the Maxwell equations in the A-V form. Modelling results confirm possibility of finite element method-based inverse tomography transformation.
Źródło:: Acta Physica Polonica A; 2018, 133, 4; 1045-1048
0587-4246
1898-794X
Pojawia się w:: Acta Physica Polonica A
Dostawca treści:: Biblioteka Nauki

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