Autor: Makowski, D. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: A new methodology for designing and development of complex systems for high energy physics
Autorzy:: Makowski, D.
Powiązania:: https://bibliotekanauki.pl/articles/397800.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: design methodology
high energy physics
large scale systems
electronic systems
AdvancedTCA
MicroTCA
reliability
availability
serviceability
low level radio frequency control system
image acquisition system
metodologia projektowania
fizyka wysokich energii
systemy wielkiej skali
układy elektroniczne
Advanced Telecommunications Computing Architecture
Micro Telecommunications Computing Architecture
niezawodność
gotowość
podatność obsługowa
radioelektroniczny niskopoziomowy system sterowania
akwizycja obrazów
Opis:: The paper describes a new methodology that allows to design scalable complex control and data acquisition systems taking into consideration the additional, non-functional requirements of High-Energy Physics (HEP). Electronic systems applied in HEP often operate in difficult conditions. Access to such devices is difficult or even impossible. The HEP systems require high availability, serviceability and upgradeability. The operating conditions of these systems are even more difficult than for telecommunication devices. Therefore, a different methodology should be applied than for classical telecommunication systems, when designing electronics used in high-energy physics applications. Electronic systems also need a suitable hardware platform that not only assures high availability, simplifies maintenance and servicing but also allows to use mixed analogue-digital signals. The author made an attempt to develop a new methodology suitable for designing of complex data acquisition and control systems of HEP. The Low Level RF (LLRF) system of European Free Electron Laser (EXFEL) and Image Acquisition System (IAS) prototype developed for International Thermonuclear Experimental Reactor (ITER) tokamak are presented as examples of complex electronic systems that were designed according to the proposed methodology.
Źródło:: International Journal of Microelectronics and Computer Science; 2016, 7, 4; 123-132
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Hot-plug based activation and deactivation of ATCA FRU devices
Autorzy:: Predki, P.
Makowski, D.
Powiązania:: https://bibliotekanauki.pl/articles/397931.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: inteligentny interfejs zarządzania platformą
płyta nośna
intelligent platform management interface
advanced telecommunications computing architecture
Hot Swap
carrier board
shelf manager
advanced mezzanini card
electronic keying
field replaceable unit
PCI Industrial Computer Manufacturers Group
XFEL
Opis:: One of the most important features of the Advanced Telecommunications Computing Architecture (ATCA) contributing to its exceptional reliability and availability is its hot-swap functionality. In order for the user to be able to add and remove the components of an ATCA shelf without the necessity of switching the power on and off the PCI Industrial Computer Manufacturers Group (PICMG) specification clearly enumerates the stages a Field Replaceable Unit (FRU) has to go through upon insertion into and extraction from the shelf. These stages form the activation and deactivation processes that occur every time an element is changed in the ATCA system. This paper focuses on these processes placing the emphasis on the Electronic Keying (EK) implementation in the Intelligent Platform Management Controller (IPMC) software developed for the self-designed ATCA Carrier Board (CB). This CB is considered to be used in the Low Level RF (LLRF) control system of the X-Ray Free Electron Laser (XFEL). It utilizes the standard-defined PCI Express (PCIe) interface as well as introduces proprietary protocols in form of Low Latency Links (LLL).
Źródło:: International Journal of Microelectronics and Computer Science; 2010, 1, 1; 56-59
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: PCIExpress hot plug mechanism in linux-based ATCA control systems
Autorzy:: Piotrowski, A.
Makowski, D.
Powiązania:: https://bibliotekanauki.pl/articles/398122.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: PCIExpress
Hot-Plug
ATCA
advanced telecommunications computing architecture
Advanced TCA
Linux
Opis:: PCI Express architecture is a widely used communication bus designed for industrial application. Additionally, according to PICMG 3.4 specification it is a part of ATCA architecture. One of the features offered by PCI Express standard is possibility of replacing the system components without shutting down entire system. In this paper, authors present general overview of Hot-Plug implementation in Linux operating system used in ATCA carrier board.
Źródło:: International Journal of Microelectronics and Computer Science; 2010, 1, 2; 201-204
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Distributed radiation monitoring system for linear accelerators based on CAN bus
Autorzy:: Kozak, T.
Makowski, D.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/397933.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: obszar pod kontrolą sieci
dozymetria promieniowania gamma
dozymetria promieniowania neutronowego
akcelerator liniowy
controller area network
gamma radiation dosimetry
neutron radiation dosimetry
radiation sensing Field Effect Transistor
linear accelerator
X-ray free electron laser
Opis:: Gamma and neutron radiation is produced during the normal operation of linear accelerators like Free-Electron Laser in Hamburg (FLASH) or X-ray Free Electron Laser (X-FEL). Gamma radiation cause general degeneration of electronics devices and neutron fluence can be a reason of soft error in memories and microcontrollers. X-FEL accelerator will be built only in one tunnel, therefore most of electronic control systems will be placed in radiation environment. Exposing control systems to radiation may lead to many errors and unexpected failure of the whole accelerator system. Thus, the radiation monitoring system able to monitor radiation doses produced near controlling systems is crucial. Knowledge of produced radiation doses allows to detect errors caused by radiation, schedule essential replacement of control systems and prevent accelerator from serious damages. The paper presents the project of radiation monitoring system able to monitor radiation environment in real time.
Źródło:: International Journal of Microelectronics and Computer Science; 2010, 1, 1; 52-55
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: AMC radiation monitoring module for xTCA based low level RF control system
Autorzy:: Kozak, T.
Makowski, D.
Prędki, P.
Powiązania:: https://bibliotekanauki.pl/articles/398055.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: inteligentny kontroler zarządzający platformą
płyta nośna
Intelligent Platform Management Controller
advanced telecommunications computing architecture
carrier board
IPMI
Opis:: Modern Advanced/Micro Telecommunications Computing Architecture (ATCA/žTCA) standards gain popularity, not only in telecommunication industry, but also in High Energy Physics (HEP) area. These platforms are considered as the future platform for the Low Level RF (LLRF) control system of the X-ray Free Electron Laser (XFEL) project realized at Deutsches Elektronen-Synchrotron (DESY) facility. One of the most important features of an ATCA/žTCA based control system is its high reliability, which can be decreased by negative influence of neutron and gamma radiation produced during normal operation of linear accelerators. The XFEL laser will be built in a single tunnel to decrease costs of the project. Therefore, the LLRF system will be exposed to harmful radiation. It is recommended to monitor doses absorbed by electronic equipment. The gathered data could help to estimate lifetime of electronic devices and to schedule essential equipment replacement. The radiation detector should be integrated with the ATCA/žTCA system to allow measurements in close proximity to the electronisc, which helps to increase the accuracy of measurements. The paper describes a radiation monitoring module capable of monitoring gamma radiation and neutron fluence in real-time which fulfills the mentioned requirements and is designed in accordance with the AMC specification.
Źródło:: International Journal of Microelectronics and Computer Science; 2010, 1, 2; 120-124
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Cyfrowy synchroniczny układ ASIC, jako detektor promieniowania neutronowego
Synchronous digital ASIC as a neutron radiation detector
Autorzy:: Romiński, A.
Makowski, D.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/154535.pdf
Data publikacji:: 2010
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: błędy pojedyncze SEU
rejestr przesuwny
układ scalony ASIC
single event upset
register
Application Specific Integrated Circuit (ASIC)
Opis:: Artykuł przedstawia projekt selektywnego detektora promieniowania neutronowego, zbudowanego z wykorzystaniem układu cyfrowego wrażliwego na odwracalne błędy pojedyncze SEU (ang. Single Event Upset). Dla zwiększenia wrażliwości struktury rejestru na występowanie odwracalnych błędów SEU opracowano szereg metod, zaprezentowanych w artykule. Przedstawiono też symulacje określające warunki poprawnej pracy oraz parametry układu, które zgodnie z zapewnieniem dostawcy technologii powinien spełniać.
The paper deals with neutron radiation detector design. The neutron detector was designed with application of sensitive to reversible Single Event Upsets (SEUs) digital circuit. The detector bases on a modified shift register (see Fig. 3), using dual supply voltage.. The paper presents a number of methods that were developed to enhance sensitivity of the detector to reversible SEUs. There are discussed physical phenomena that influence the technological fabrication process and topology of the integrated circuit. There are given some exemplary parameters of the designed register (input capacitance, clock-to-output delay) for the internal flip-flops, the pre-layout, as well as the post-layout (with extracted parasitic components) simulations, with visible (e.g. approx. 2-3 times) difference between the ideal (pre-layout) and real (post-layout) design. The simulation tests and the final layout (see Fig. 4) were prepared using CADENCE IC environment in 6.1.4 version, as a process design kit for chosen ITE CMOS technology. The general research background and realisation perspective (selected foundry run) are shown in the conclusion paragraph. Also the perspectives for a future testbench circuit in real and factual radiation environment are briefly described.
Źródło:: Pomiary Automatyka Kontrola; 2010, R. 56, nr 7, 7; 652-655
0032-4140
Pojawia się w:: Pomiary Automatyka Kontrola
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: A simple way to overcome the recalcitrance of the water fern Ceratopteris thalictroides (L.) Brongn. to cryopreservation
Autorzy:: Makowski, D.
Rybczynski, J.J.
Mikula, A.
Powiązania:: https://bibliotekanauki.pl/articles/57732.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Botaniczne
Tematy:: abscisic acid
water fern
fern
Ceratopteris thalictroides
cryopreservation
encapsulation-dehydration method
darkness
Opis:: Ceratopteris thalictroides is a water fern very sensitive to both dehydration and low temperature. This study focuses on the cryopreservation of this species by encapsulation-dehydration technique, in particular on the effects of pre-culture step, alginate bead size and the physical conditions of culture on the cryopreservation efficiency. Encapsulated and non-pre-cultured gametophytes did not survive cooling with liquid nitrogen. When cryopreservation was preceded by a 2-week period of pre-culture, regrowth reached 42.1%. Reduction in the size of the alginate bead, and culture in total darkness resulted in improved gametophyte regrowth capacity (75.5% or 81.7%, respectively). The best results (91.3%) were obtained when all factors tested occurred simultaneously. The gametophytes recovered very quickly and sporophytes were formed within 4 weeks after rewarming. These simple improvements can be used, not only for the cryopreservation of gametophytes in cryptogams but also for some recalcitrant species of seed plants.
Źródło:: Acta Societatis Botanicorum Poloniae; 2015, 84, 3
0001-6977
2083-9480
Pojawia się w:: Acta Societatis Botanicorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Embedded system for remote control of a 3D camera rig
Autorzy:: Plewiński, P.
Makowski, D.
Mielczarek, A.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/397750.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: 3D camera rig
remote control
3D image recording
embedded systems
kamera 3D
zdalne sterowanie
nagrywanie obrazu 3D
systemy wbudowane
Opis:: The production of stereoscopic motion pictures has been recently getting increasingly popular. To provide the best quality of the resulting image, the parameters controlled must precisely correspond to the values calculated by the stereoscopic image analysis platform or chosen by a camera operator. Currently no integrated system exists, which can provide remote monitoring and control of the parameters of 3D rig and cameras on it. The parameters should be controllable both by the Rig Controller software, tablet application or hand controller. The paper discusses an innovative system for remote control of 3D camera rig created within the Recording of 3D Image (ROS3D) research project. The system controls several parameters of both camera rig - stereo base, convergence and camera lenses - focus distance, aperture and focal length. Several approaches of implementation of a solution for the aforementioned problem are presented and compared. The first proposed approach used custom servo motor controller with CAN bus as the communication interface between connected devices, i.e. Rig Controller board and hand manipulators. Another solution contains a commercial servo motor controller connected to the Rig Controller board via RS232 and commercial hand controller. D-Bus Inter-Process Communication (IPC) system is used to communicate between the servo motor controller drivers and Rig Controller software.
Źródło:: International Journal of Microelectronics and Computer Science; 2016, 7, 3; 87-91
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Automated generation of FRU devices inventory records for xTCA devices
Autorzy:: Wychowaniak, J.
Makowski, D.
Perek, P.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/398014.pdf
Data publikacji:: 2011
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: interfejs zarządzania platformą
Advanced Telecommunications Computing Architecture
ATCA
Micro Telecommunications Computing Architecture
MicroTCA
Hot Swap
Advanced Mezzanine Card
kluczowanie elektroniczne
element wymienny
PCI Industrial Computer Manufacturers Group
platform management interface
advanced telecommunications computing architecture
advanced mezzanine card
electronic keying
field replaceable unit
Opis:: The Advanced Telecommunications Computing Architecture (ATCA) and Micro Telecommunications Computing Architecture (μTCA) standards, intended for high-performance applications, offer an array of features that are compelling from the industry use perspective, like high reliability (99,999%) or hot-swap support. The standards incorporate the Intelligent Platform Management Interface (IPMI) for the purpose o advanced diagnostics and operation control. This standard imposes support for non-volatile Field Replaceable Unit (FRU) information for specific components of an ATCA/μTCA-based system, which would typically include description of a given component. The Electronic Keying (EK) mechanism is capable of using this information for ensuring more reliable cooperation of the components. The FRU Information for the ATCA/μTCA implementation elements may be of sophisticated structure. This paper focuses on a software tool facilitating the process of assembling this information, the goal of which is to make it more effective and less error-prone.
Źródło:: International Journal of Microelectronics and Computer Science; 2011, 2, 1; 6-11
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Application for supervision and management of ATCA-based systems
Autorzy:: Wychowaniak, J.
Makowski, D.
Prędki, P.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/398049.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: płyta nośna
inteligentny interfejs zarządzania platformą
Java
advanced telecommunications computing architecture
carrier board
intelligent platform management interface
shelf manager
X-ray free electron laser
Opis:: The Advanced Telecommunications Computing Architecture (ATCA) standard describes a powerful, high performance platform. Its implementation has been considered among candidates for a base of the control system of the X-ray Free Electron Laser (X-FEL), which is being built at Deutsches Electronen-Synchrotron (DESY) in Hamburg, Germany. The Low Level Radio Frequency (LLRF) control system is designed as a set of ATCA Carrier Boards. Each Carrier Board hosts an Intelligent Platform Management Controller (IPMC), which is developed in compliance with the PICMG specifications. IPMC is responsible for management and monitoring of components installed on Carrier Boards and pluggable Advanced Mezzanine Card (AMC) modules. The ATCA Shelf Manager is the main control unit of a single ATCA shelf, responsible for power management, fan modules and Carrier Boards installed in ATCA shelf. It provides a set of control and diagnostic capabilities regarding the shelf and its sub-modules. These capabilities are available for operators and can be used by higher level applications. This publication presents a software component intended to support management and supervision of the ATCA shelf and its sub-modules, including Carrier Boards with AMC modules. The application provides enhanced mechanisms of control and allows to acquire detailed information regarding status and parameters of crucial devices (e.g. power supply voltages, temperatures, presence of reference clocks). The information supplied from Shelf Manager combined with graphical user interface of the application provides visual representation of selected system components and contributes towards efficient control and supervision of Carrier Boards and entire ATCA-based platform.
Źródło:: International Journal of Microelectronics and Computer Science; 2010, 1, 2; 131-137
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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