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A System Study Of Ultrasonic Transceivers For Haptic Applications
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems.
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems.
2018 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

We are investigating the use of ultrasound in Haptic applications. Initially abrief background of ultrasonic transducers and its characteristics were presented.Then a theoretical research was documented to understand the concepts that govern haptics. This section also discusses the algorithm adopted by various researches to implement haptics in the professional world. Then investigations were made to understand the behavior of ultrasonic transducers and conduct soft-ware simulations to obtain various results. At first simulations were conducted on Field II software. This simulations involved the creation of elements in trans-ducers, transducer’s spatial impulse responses, transducer’s impulse responsein time and frequency domain, effect of adding apodization to the transducers,pulse echo response of the transducers, beam profile variation along the focallength of the transducers. Then a Matlab based GUI was used to study the relationship between number of elements in transducers, the frequency of the input signal and duty cycle variation of the input wave. A concept of phase shift, which explains the time delay generation was also coded in Matlab.

Place, publisher, year, edition, pages
2018. , p. 69
Keywords [en]
Haptics, Ultrasonic, Transceivers, Beamformation
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-152346ISRN: LiTH-ISY-EX–18/5175–SEOAI: oai:DiVA.org:liu-152346DiVA, id: diva2:1259324
Subject / course
Electrical Engineering
Presentation
2018-10-04, Filtret, Building B, Ground Floor (Level 2), Linköping, 13:15 (English)
Examiners
Available from: 2018-10-30 Created: 2018-10-29 Last updated: 2018-10-30Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf