Wszystkie pola: real data - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Real-time data acquisition based on common use interfaces at Matlab and embedded system
Autorzy:: Sieczkowski, K.
Sondej, T.
Powiązania:: https://bibliotekanauki.pl/articles/397757.pdf
Data publikacji:: 2016
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: data acquisition
real-time
Matlab
serial communication
data processing
akwizycja danych
czas rzeczywisty
komunikacja szeregowa
przetwarzanie danych
Opis:: The article presents the tests of method for real-time data acquisition from embedded systems using Matlab software. Data transmission is performed using several common use interfaces: UART/USB, Ethernet, Bluetooth and WiFi. The article includes a description of a protocol, measuring station based on two types of embedded system, implementing the proposed protocol, as well as a description of the algorithm of test programs. Experimental studies were performed using a STM32F4 microcontroller and Raspberry PI-3 single-board computer. Executed tests related: (1) the average transmission time, (2) the effective throughput of a full cycle of data exchange, (3), the required working time of Matlab to handle the transmission, and (4) the stability of the program timer used for periodic data transmission calls. Experimental studies have shown that it is possible efficient data exchange between the embedded system and Matlab while maintaining the real-time requirements.
Źródło:: International Journal of Microelectronics and Computer Science; 2016, 7, 3; 100-108
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:: Multichannel readout system for registration of electronic system temperature response with high temporal resolution
Autorzy:: Janicki, M.
Kulesza, Z.
Pietrzak, P.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/397885.pdf
Data publikacji:: 2010
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: termiczna charakterystyka systemów elektronicznych
rzeczywisty czas równoległych pomiarów przetwarzania danych
thermal characterization of electronic systems
real time parallel measurement data processing
Opis:: This paper presents the design and the practical realization of a measurement system dedicated to fast real-time multichannel registration of electronic system thermal response. The response is registered in parallel channels with a frequency up to 1 MHz- Such a high frequency is required for the thermal identification of electronic systems. The designed circuit is used here for the investigation of a thermal test ASIC. The presented solution can be extended for a different number of measurement channels and adapted for other types of sensors.
Źródło:: International Journal of Microelectronics and Computer Science; 2010, 1, 3; 305-310
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:: A simple multithreaded C++ framework for high-performance data acquisition systems
Autorzy:: Ingles, R.
Perek, P.
Orlikowski, M.
Napieralski, A.
Powiązania:: https://bibliotekanauki.pl/articles/397811.pdf
Data publikacji:: 2015
Wydawca:: Politechnika Łódzka. Wydział Mikroelektroniki i Informatyki
Tematy:: multithreading
ring buffer
real-time system
data acquisition system
C++
Linux
wielowątkowość
bufor pierścieniowy
systemy czasu rzeczywistego
system akwizycji danych
Opis:: The data acquisition systems must be capable of process all the data produced by the source to ensure the highest level of accuracy, especially when it deals with hard real-time system monitoring task. However, the production of data is faster than the process to acquire and to process such a data. Using concurrency approach is an alternative to obtain the required level of performance and data processing. This paper presents the comparison between various C++ frameworks that by using multithreading technology and ringbuffer data structure allow data transfer in concurrent way. The comparison is based on the time interval between the instant when data is published and the instant when the data is gathered. These latency measurements have been taken using the configuration of one producer and two consumers for all evaluated frameworks. The results show that using standard C++ libraries to develop a simple framework it is possible to achieve suitable performance in order to fulfill the requirements of the high performance data acquisition systems described.
Źródło:: International Journal of Microelectronics and Computer Science; 2015, 6, 2; 29-34
2080-8755
2353-9607
Pojawia się w:: International Journal of Microelectronics and Computer Science
Dostawca treści:: Biblioteka Nauki

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