A method for abstraction and reproduction of environment based on frequency characteristic

Shoyo Hyodo, Kouhei Ohnishi

Research output: Contribution to journalArticle

Abstract

With progress in information technology, recording and reproduction technologies for sound and images have been improved. In addition, recording and reproduction technologies for haptic displays are developing. This paper proposes a method for abstraction and reproduction of the environmental stiffness based on the frequency characteristic. In the proposed method, environmental position response from a force input is measured. Then, the Fourier-transformed position response divided by the Fourier-transformed force input is calculated for abstraction of the environmental frequency characteristic. The control system for reproduction of the environment is designed on the basis of the abstracted environmental frequency characteristic. A finite impulse response (FIR) filter is utilized for the reproduction of the environmental frequency characteristic. Finally, the validity of the proposed method is shown by experimental results.

Original languageEnglish
Pages (from-to)1254-1261
Number of pages8
JournalElectronics and Communications in Japan
Volume94
Issue number2
DOIs
Publication statusPublished - 2011 Feb

Fingerprint

FIR filters
Information technology
Display devices
Stiffness
Acoustic waves
Control systems
recording
Haptics
Impulse Response
Information Technology
stiffness
Display
Control System
Abstraction
Filter
acoustics
Experimental Results
Sound

Keywords

  • abstraction of environment
  • finite impulse response (FIR) filter
  • frequency characteristic
  • haptics
  • reproduction of environment

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Computer Networks and Communications
  • Physics and Astronomy(all)
  • Signal Processing
  • Applied Mathematics

Cite this

A method for abstraction and reproduction of environment based on frequency characteristic. / Hyodo, Shoyo; Ohnishi, Kouhei.

In: Electronics and Communications in Japan, Vol. 94, No. 2, 02.2011, p. 1254-1261.

Research output: Contribution to journalArticle

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