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Listar por autor "Bachta, Wael"
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A tactile handle for cane use monitoring
Trujillo-León, Andrés; Ady, Ragou; Vidal-Verdú, Fernando
; Bachta, Wael (IEEE, 2015)
Assistive ambulatory devices are used for gait rehabilitation and assistance. In both cases, their benefit is greater when they are used properly. As for canes, embedded sensors can be used for monitoring purposes. In this ... -
Analysis of Light Grip Influence on Standing Posture.
Bellicha, Angélina; Trujillo-León, Andrés; Vérité, Fabien; Bachta, Wael (MDPI, 2021-12-08)
Upright posture control and gait are essential for achieving autonomous daily living activities. Postural control of upright posture relies, among others, on the integration of various sensory information. In this context, ... -
Assistive handlebar based on tactile sensors: control inputs and human factors
Trujillo-León, Andrés; Bachta, Wael; Castellanos-Ramos, Julián; Vidal-Verdú, Fernando
(Sensors, MDPI, 2018)
Tactile sensors can be used to build human-machine interfaces, for instance in isometric joysticks or handlebars. When used as input sensor device for control, questions arise related to the contact with the human, which ... -
Evaluation of tactile sensors as an alternative to force sensors in an assistive haptic handlebar
Trujillo-León, Andrés; Bachta, Wael; Vidal-Verdú, Fernando
(IEEE, 2017)
This paper shows experimental results that confirm that tactile sensors are appropriate to provide information about the caregiver intention in an assistive haptic handlebar. Preliminary tests have been performed to identify ... -
Haptic interface based on tactile sensors for assistive devices
Trujillo-León, Andrés(UMA Editorial, 2018-02)
Los países desarrollados deben hacer frente al creciente envejecimiento de su población. Un proceso de envejecimiento adecuado requiere capacidad funcional en las actividades del día a día. Así, las tecnologías de asistencia ... -
Lightly gripping a motionless handle: Study of postural sway decrease and correlation between transient force changes applied to the handle and balance
Bellicha, Angélina; Trujillo-León, Andrés; Bachta, Wael (International Society of Posture and Gait Research, 2019-07-04)
Lightly touching (<1N) a stable surface with a finger reduces postural sway magnitude [1]. Lightly holding a stick, i.e. Lightly Gripping (LG) it while it is touching the ground, also reduces postural sway magnitude [2][3]. ... -
Phantom Sensation: When the phantom escapes the bounds of the actuators and the end-point is sensed in the air.
Bellicha, Angélina; Trujillo-León, Andrés; Bachta, Wael (IEEE, 2019-07-09)
The Phantom Sensation is a case of spatiotemporal interaction. In this paper, we study the influence of the duration of a stimulation on the position of the perceived end-point of the illusion. We find that the position ... -
Robotic Cane Controlled to Adapt Automatically to Its User Gait Characteristics.
Trujillo-León, Andrés; Ady, Ragou; Reversat, David; Bachta, Wael (Frontiers, 2020-08-12)
Research on robotic assistance devices tries to minimize the risk of falls due to misuse of non-actuated canes. This paper contributes to this research effort by presenting a novel control strategy of a robotic cane that ... -
Tactile Handle for an Instrumented Cane.
Trujillo-León, Andrés; Vidal-Verdú, Fernando
; Ady, Ragou; Bachta, Wael (2015-08-24)
Tactile sensors are useful input devices to implement human machine interfaces in areas such as rehabilitation or assistance. They can prevent damage from accidents or bad usage, and also provide rich information to infer ... -
Tactile Sensor-Based Steering as a Substitute of the Attendant Joystick in Powered Wheelchairs
Trujillo-León, Andrés; Bachta, Wael; Vidal-Verdú, Fernando
(IEEE Transactions on Neural Systems and Rehabilitation Engineering, IEEE, 2018)
Attendant joysticks of powered wheelchairs are devices oriented to help caregivers. Diseases and disabilities such as dementia, spinal cord injuries or blindness make the user unable to drive the chair by his or her own. ...