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Wyszukujesz frazę "real-time programming" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
A simple and cost-effective method to construct reliable real-time programs
Autorzy:
Elzer, P. F.
Gollub, M.
Trenkel, S.
Powiązania:
https://bibliotekanauki.pl/articles/384543.pdf
Data publikacji:
2010
Wydawca:
Sieć Badawcza Łukasiewicz - Przemysłowy Instytut Automatyki i Pomiarów
Tematy:
real-time systems
real-time programming
structured programming
reliability
graphical representation
Opis:
This paper presents a proposal for structuring real-time programs in a way that improves their reliability. Basically, it consists of five constructs that have been designed after the model of classical "structured programming", together with a generalized way of dealing with resources. After some considerations about reliability these constructs are presented and explained. Then, a test implementation for two different programming languages and operating systems is briefly described. Finally, some pieces of code give an impression of the character of the method.
Źródło:
Journal of Automation Mobile Robotics and Intelligent Systems; 2010, 4, 1; 28-42
1897-8649
2080-2145
Pojawia się w:
Journal of Automation Mobile Robotics and Intelligent Systems
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A synthesis of adaptive, low-power real-time embedded systems for ARM big.LITTLE technology
Autorzy:
Ciopiński, L.
Deniziak, S.
Powiązania:
https://bibliotekanauki.pl/articles/114109.pdf
Data publikacji:
2015
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
self-adaptive system
real-time embedded system
adaptive scheduler
developmental genetic programming
ARM big.LITTLE
Opis:
In this paper, we present a method of a synthesis of adaptive schedulers for real-time embedded systems. We assume that the system is implemented using a multi-core embedded processor with low-power processing capabilities. First, the developmental genetic programming is used to generate the scheduler and the initial schedule. Then during the system execution, the scheduler modifies the schedule whenever the execution time of the recently finished task has been shorter or longer than expected. The goal of rescheduling is to minimize the power consumption while all time constraints will be satisfied. We present a real-life example as well as some experimental results showing the advantages of the method.
Źródło:
Measurement Automation Monitoring; 2015, 61, 7; 340-342
2450-2855
Pojawia się w:
Measurement Automation Monitoring
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Modeling and reliability analysis of three phase z-source AC-AC converter
Autorzy:
Prasad, H.
Maity, T.
Powiązania:
https://bibliotekanauki.pl/articles/140661.pdf
Data publikacji:
2017
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
real-time digital simulation (RTDS)
field programming gate array (FPGA)
hardware-in-the-loop (HIL)
z-source ac-ac converter
PID controller
Opis:
This paper presents the small signal modeling using the state space averaging technique and reliability analysis of a three-phase z-source ac-ac converter. By controlling the shoot-through duty ratio, it can operate in buck-boost mode and maintain desired output voltage during voltage sag and surge condition. It has faster dynamic response and higher efficiency as compared to the traditional voltage regulator. Small signal analysis derives different control transfer functions and this leads to design a suitable controller for a closed loop system during supply voltage variation. The closed loop system of the converter with a PID controller eliminates the transients in output voltage and provides steady state regulated output. The proposed model designed in the RT-LAB and executed in a field programming gate array (FPGA)-based real-time digital simulator at a fixedtime step of 10 μs and a constant switching frequency of 10 kHz. The simulator was developed using very high speed integrated circuit hardware description language (VHDL), making it versatile and moveable. Hardware-in-the-loop (HIL) simulation results are presented to justify the MATLAB simulation results during supply voltage variation of the three phase z-source ac-ac converter. The reliability analysis has been applied to the converter to find out the failure rate of its different components.
Źródło:
Archives of Electrical Engineering; 2017, 66, 4; 731-743
1427-4221
2300-2506
Pojawia się w:
Archives of Electrical Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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