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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

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Showing 1 to 2 of 2 (0.047 seconds)

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1

Trunk Muscle EMG in a Specially Designed Virtual Reality Motion Simulator

Shafeie, Mohsen 07 July 2014 (has links)
Virtual reality (VR) has become an important tool in the study of human balance. It has also been used as a training tool for seated balance and assistive mobility devices. The objective was to design a system that can be used to investigate the effect of VR on trunk muscles during perturbed sitting and perform a preliminary study with two subjects. A spherical system was designed that rotated 26º in the pitch and roll plane at three speeds. The corresponding muscle activity was recorded using EMG in the presence and absence of VR during perturbed sitting. The design was capable of performing the required motions. The results showed a maximum of 31.8% and a minimum of 3.66% muscle activity, relative to maximum voluntary contraction. Our findings suggested that our developed system was successfully able to detect a noticeable effect of VR under perturbed sitting on the subjects’ EMG responses.
Electromyography
EMG
Perception
Roll and Pitch
Seated Balance
Virtual Reality
Simulation
Phasic and Tonic activity
Trunk Muscles
Abdomen and Back Muscles
Seated Posture
0541
2

Návrh zadní nápravy formule SAE / Design of formula SAE rear axle

Tomášek, Pavel January 2008 (has links)
This thesis is concerned with the design of Formula SAE rear axle suspension and spring suspension. First part of the thesis deals with the preliminary desing and is followed by the kinematic analysis and optimalization of the rear axle geometric ordering. Next part is related to the verification of the spring suspension characteristics. Both these parts were worked up with the aid of the software ADAMS. Last part of the thesis includes the engineering desing of rear axle components and stress and deformation analysis.

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