A novel treadmill body weight support system using pneumatic artificial muscle actuators

A comparison between active body weight support system and counter weight system

Tran van Thuc, Flavio Prattico, Shinichirou Yamamoto

Research output: Chapter in Book/Report/Conference proceedingConference contribution

2 Citations (Scopus)

Abstract

In recent years, Treadmill Body Weight Support System has been developed and proved the improvement for patients who recover from Spinal Cord Injury. Passive and dynamic systems were shown their capacities to maintain unloading force in the vertical direction, however, there are no system considered that track the moving of the Center of Pressure trajectory during gait training. Our hypothesis is that tracking Center of Pressure trajectory, during gait training, could be more effective than the common system. This paper proposed a new active Body Weight Support system using Pneumatic Artificial Muscle actuators. An active model of new Body Weight Support system with the tracking model of the human center of pressure was developed. The validation tests experiments were implemented with three levels of unloading force 30%, 50% and 70% using new Body Weight Support system and counter weight system for comparison. The speed of the treadmill is set, for all the experiments at 2 km/h. Center of pressure trajectories are recorded for a normal random walk, for the counter weight system and for the Body Weight Support systems. The results showed that the center of pressure trajectory using active system was much fitter with center of pressure pattern of normal gait than counter weight system.

Original languageEnglish
Title of host publicationIFMBE Proceedings
PublisherSpringer Verlag
Pages1115-1119
Number of pages5
Volume51
ISBN (Print)9783319193878
DOIs
Publication statusPublished - 2015
EventWorld Congress on Medical Physics and Biomedical Engineering, 2015 - Toronto, Canada
Duration: 2015 Jun 72015 Jun 12

Other

OtherWorld Congress on Medical Physics and Biomedical Engineering, 2015
CountryCanada
CityToronto
Period15/6/715/6/12

Fingerprint

Exercise equipment
Pneumatics
Muscle
Actuators
Trajectories
Unloading
Dynamical systems
Experiments

Keywords

  • Body Weight Support system
  • Pneumatic Muscle Actuator
  • Rehabilitation

ASJC Scopus subject areas

  • Biomedical Engineering
  • Bioengineering

Cite this

A novel treadmill body weight support system using pneumatic artificial muscle actuators : A comparison between active body weight support system and counter weight system. / van Thuc, Tran; Prattico, Flavio; Yamamoto, Shinichirou.

IFMBE Proceedings. Vol. 51 Springer Verlag, 2015. p. 1115-1119.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

van Thuc, T, Prattico, F & Yamamoto, S 2015, A novel treadmill body weight support system using pneumatic artificial muscle actuators: A comparison between active body weight support system and counter weight system. in IFMBE Proceedings. vol. 51, Springer Verlag, pp. 1115-1119, World Congress on Medical Physics and Biomedical Engineering, 2015, Toronto, Canada, 15/6/7. https://doi.org/10.1007/978-3-319-19387-8_271
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