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Title:UPORABA PROGRAMABILNIH VEZIJ ZA ZAZNAVANJE NAPAK V VGRAJENIH KRMILNIH SISTEMIH
Authors:Moraus, Stanislav (Author)
Solar, Mitja (Mentor) More about this mentor... New window
Files:.pdf UNI_Moraus_Stanislav_2010.pdf (1,30 MB)
MD5: 293F98E9D10AC1F0942DE2C3A1FDCEFA
 
Language:Slovenian
Work type:Undergraduate thesis (m5)
Organization:FERI - Faculty of Electrical Engineering and Computer Science
Abstract:Diplomsko delo predstavlja princip odkrivanje napak na področju vgrajenih krmilnih sistemov.Predstavljeni so osnovni načini zaznavanja napak v vgrajenih krmilnih sistemih. Opisani so tudi načini pridobivanja parametrov za odločanje kdaj in kaj je napaka. Jedro naloge predstavlja opis tehnike za odkrivanje napak, ki temelji na uporabi tako imenovanih nadzornih celic. Osnovna ideja je, da spremljamo vhodno/izhodne spremenljivke, signale, notranja stanja sistemov, procesov ali pod-procesov in s pomočjo pridobljenih podatkov in znanja o normalnem obnašanju odkrijemo nepravilnosti v delovanju sistema in po potrebi ukrepamo. Eden od principov za ugotavljanje kdaj sistem deluje nominalno in kdaj ne, je uporaba evolucijskih algoritmov. Predstavljena je tudi implementacija sistema za zaznavanje napak po principu nadzornih celic z FPGA in PSoC vezjem.
Keywords:sistemi v realnem času, vgrajeni sistemi za nadzor, upravljanje z napakami, odkrivanje napak, evolucijski algoritmi
Year of publishing:2010
Publisher:[S. Moraus]
Source:Maribor
UDC:621.3.049.77:004.031.43(043.2)
COBISS_ID:14326038 New window
NUK URN:URN:SI:UM:DK:PTV43GAS
Views:1857
Downloads:93
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Categories:KTFMB - FERI
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Secondary language

Language:English
Title:THE USE OF PROGRAMMABLE CIRCUITS TO DETECT FAULTS IN EMBEDDED CONTROL SYSTEMS
Abstract:In the diploma work, fault detection in the embedded control systems is discussed. Described are the basic methodologies for fault detection and the principles to determine what the fault is and when it happens. The main topic of this work is the fault detection technique that is based on so-called monitoring cells. The basic idea is to monitor the combination of input/output quantities and internal states of the system and of its parts. If those quantities diverge from their nominal values, a fault is signaled and corrective measures are engaged. One of the approaches to determine the nominal values is utilization of evolution algorithms. Furthermore, a hardware implementation of fault detection by means of monitoring cells is presented. It is based on FPGA and PSoC programmable devices.
Keywords:real-time systems, embedded control systems, fault management, fault detection, evolution algorithms


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