prikaz prve stranice dokumenta Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja
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scientific master's theses
Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja
Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing, 2005. urn:nbn:hr:168:236543
Ostojić, Saša
University of Zagreb
Faculty of Electrical Engineering and Computing
Department of Electronic Systems and Information Processing

Institutional repository: FER Repository

Cite this document

Ostojić, S. (2005). Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja (Scientific master's theses). Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing. Retrieved from https://urn.nsk.hr/urn:nbn:hr:168:236543

Ostojić, Saša. "Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja." Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, 2005. https://urn.nsk.hr/urn:nbn:hr:168:236543

Ostojić, Saša. "Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja." Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, 2005. https://urn.nsk.hr/urn:nbn:hr:168:236543

Ostojić, S. (2005). 'Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja', Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, accessed 26 July 2024, https://urn.nsk.hr/urn:nbn:hr:168:236543

Ostojić S. Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja [Scientific master's theses]. Zagreb: University of Zagreb, Faculty of Electrical Engineering and Computing; 2005 [cited 2024 July 26] Available at: https://urn.nsk.hr/urn:nbn:hr:168:236543

S. Ostojić, "Usporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja", Scientific master's theses, University of Zagreb, Faculty of Electrical Engineering and Computing, Zagreb, 2005. Available at: https://urn.nsk.hr/urn:nbn:hr:168:236543

Metadata
TitleUsporedba metoda analize površinskih mioelektričkih signala tijekom dinamičkog umaranja
AuthorSaša Ostojić
MentorMario Cifrek (mentor)
Committee memberStanko Tonković (predsjednik povjerenstva)
Committee memberMario Cifrek (član povjerenstva)
Committee memberVladimir Medved (član povjerenstva)
GranterUniversity of Zagreb
Faculty of Electrical Engineering and Computing
(Department of Electronic Systems and Information Processing)
Zagreb
Defense date and country2005-12-05, Croatia
Scientific / art field,
discipline and subdiscipline		TECHNICAL SCIENCES
Electrical Engineering
Electronics
Universal decimal classification
(UDC)		621.3 - Electrical engineering
Abstract
U radu su uspoređene tri metode analize mioelektričkih signala tijekom dinamičkog umaranja. Korištene su metode analize temeljene na skalogramu, spektrogramu i Choi-Williams distribuciji. Za potrebe usporedbe razvijen je model površinskog mioelektričkog signala dinamičkih kontrakcija temeljen na superpoziciji jednotonskih kutno moduliranih signala. Analiza i usporedba provedena je i na izmjerenim površinskim mioelektričkim signalima snimljenim u uvjetima voljnih kontrakcija. Frekvencija medijana spektra snage odabrana je za praćenje umora mišića i definiciju modela. Usporedba metoda analize na sintetiziranom signalu pokazala je značajnu zavisnost rezultata analize o izboru metode analize i parametara analize. Obrada izmjerenih signala potvrdila je zaključak donesen na temelju analize sintetiziranih signala, te ukazala na potreban oprez prilikom interpretacije rezultata. Rezultati rada mogu poslužiti za daljnja istraživanja utjecaja parametara analize, kao i razvoj općeg modela površinskog mioelektričkog signala tijekom umarajućih dinamičkih kontrakcija.
Abstract (english)
In this work, three methods have been applied for analysis of myoelectrical signals during fatiguing dynamic contractions. Methods of analyisis applied: scalogram based, spectrogram based and Choi-Williams distribution based method. Model of surface myoelectrical signals during fatiguing contractions was developed for the purpose of comparison. The model is based on superposition of single tone angular modulated signals. Analysis and comparison was performed on both, sinthesized and measured surface myoelectrical signals of voluntary dynamic contractions. Median frequency of the power spectrum was choosen for tracking muscle fatigue and for model definition. When analyis is applied on sinthesized signal, choice of the method and parameters of the applied method showed significant influence on the final results. Analysis of measured myoelectric signals confirmed this conclusion and pointed out the problem of result interpretation. Presented results can be used for further investigation of analysis parameter influence on results, as well as for development of common surface electromyographic model during fatiguing dynamic contracions.
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:168:236543
Study programmeTitle: Postgraduate master programme in electrical engineering
Study programme type: university
Study level: postgraduate
Academic / professional title: Magistar znanosti elektrotehnike (Magistar znanosti elektrotehnike)
Type of resourceText
File originBorn digital
Access conditionsClosed access
Terms of useLicence In copyright icon
Created on2019-07-09 13:39:56