izpis_h1_title_alt

Ultrazvočni spirometer
Česnik, Miha (Author), Geršak, Gregor (Mentor) More about this mentor... This link opens in a new window

.pdfPDF - Presentation file, Download (2,24 MB)

Abstract
V magistrskem delu je opisan postopek razvoja brezžičnega ultrazvočnega spirometra. V prvih poglavjih je opisana spirometrija, postopek merjenja in zakaj so spirometrične meritve pomembne. Opisani so različni tipi spirometrov in njihove lastnosti. Bolj podrobno je opisan ultrazvočni spirometer. V naslednjih poglavjih je podrobneje opisan razvoj elektronike in programske opreme spirometra. Pri razvoju elektronike je opisan proces izbiranja namenskega integriranega vezja in izbira ultrazvočnega senzorja. Podana je tudi blokovna shema prototipa in njegovo tiskano vezje. Za opisom razvoja elektronike sledi opis razvoja programske opreme, ki vsebuje opis operacijskega sistema in delovanje vseh opravil. Prikazani so procesi za zajem podatkov, pošiljanje in prejemanje podatkov preko bluetooth povezave in kontrole celotnega sistema. Na koncu sledijo še testi in rezultati naprave. Prikazani so testi električnih lastnosti vezja in točnosti meritve. Za oceno točnosti končnega prototipa smo izvedli primerjavo z referenčnim spirometrom in preverili skladnost s standardi, določenimi za spirometre. Izdelan spirometer je deloval v primernem merilnem območji in je bil popolnoma brezžičen ter energetsko varčen. V primerjavi z referenčnim spirometrom ni dosegel točnosti, ki jo določajo standardi za spirometre, vendar se jim je dobro približal.

Language:Slovenian
Keywords:spirometrija, ultrazvočni spirometer, časovno digitalni pretvornik, namensko integrirano vezje, bluetooth povezava
Work type:Master's thesis/paper (mb22)
Organization:FE - Faculty of Electrical Engineering
Year:2016
Views:1233
Downloads:607
Metadata:XML RDF-CHPDL DC-XML DC-RDF
 
Average score:(0 votes)
Your score:Voting is allowed only to logged in users.
:
Share:AddThis
AddThis uses cookies that require your consent. Edit consent...

Secondary language

Language:English
Title:Ultrasound spirometer
Abstract:
The master thesis describes the process of developing a wireless ultrasound spirometer. The first section describes spirometry, measuring methods and the importance of spirometric measurements. Different types of spirometers and their properties are described. An ultrasound spirometer is described more in detail. In the following sections the development of electronics and software of the ultrasound spirometer are described. Within the development of the electronics the process of selecting the integrated circuit and ultrasound transceiver is shown together with the block diagram of the circuit and the printed circuit board. Afterwards the development of device’s software is presented. In software development the operation system and its tasks are defined. In more detail the processes for data acquisition, sending and receiving data over bluetooth and control of the whole system is explained. In the end the testing and evaluation of the device is described. Different tests such as electrical characteristic of the circuit and the accuracy of the measurement are shown. To estimate the accuracy of the final prototype, we compared it to a reference spirometer and verified its compliance with the spirometer standards. The built spirometer operated in required measurement ranges, operated completely wirelessly and was energy efficient. Compared with the reference spirometer it did not reach the target accuracy specified by the spirometer standards , but it proved to be a robust, reliable and functional prototype device.

Keywords:spirometry, ultrasound spirometer, time-to-digital converter, dedicated integrated circuit, bluetooth connection

Similar documents

Similar works from RUL:
Similar works from other Slovenian collections:

Comments

Leave comment

You have to log in to leave a comment.

Comments (0)
0 - 0 / 0
 
There are no comments!

Back