Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 72 for “"Sensory Feedback"”.
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Sensory feedback in human posture control.
Massachusetts Institute of Technology. Dept. of Aeronautics and Astronautics. Thesis. 1970. Sc.D.
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Development of sensory feedback systems: devices and strategies
… sensation. The development of devices for sensory feedback was carried out from two different points of view. First, a non-invasive, low-cost, wearable, high-voltage compliant current stimulator for non-invasive sensory feedback was developed using Components-Off-The-Shelf (COTS). The …
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Sensory Feedback Implementation for a Teleoperated, Master-Slave Robotic Manipulator
A teleoperated, master-slave, sensory feedback control system was developed to increase the telepresence a user experiences throughout manipulating a five degree of freedom robotic actuator in the Mars University Rover Challenge (Mars URC), as well as to replace another five degree of freedom …
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Measurement and Modelling of Human Sensory Feedback in Car Driving
… from drivers’ physical systems. In particular, sensory dynamics limit the ability of drivers to perceive the states of real or simulated vehicles. Therefore, the aim of this thesis is to understand the impact of sensory dynamics on the control performance of a human driver in real and virtual …
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Using compliance in lieu of sensory feedback for automatic assembly.
Thesis. 1978. Sc.D.--Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
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An experimental investigation of sensory feedback methods within teleoperation robotic systems
… serves as an experimental investigation into sensory feedback methods within teleoperation applications, focusing on vibration feedback and visual cues. A bilateral teleoperation system is developed on a semi humanoid industrial inspired robot using HTC Vive tracking technology as a control …
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Sensory feedback and control of leg-substrate interactions in insects and robots
Sensory feedback plays an important role in adaptive control of insect leg movements as required, for example, in agile locomotion over irregular terrain. Functionally, insect legs are not just effectors--they are also sophisticated sensory devices that provide the nervous system with a great deal …
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An implantable micro-system for neural prosthesis control and sensory feedback restoration in amputees
In this work, the prototype of an electronic bi-directional interface between the Peripheral Nervous System (PNS) and a neuro-controlled hand prosthesis is presented. The system is composed of two Integrated Circuits (ICs): a standard CMOS device for neural recording and a High Voltage (HV) CMOS …
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The effects of manipulated augmented sensory feedback on error detection when using a touch screen
… present study was to determine which augmented sensory modality would best develop subjective error-detection capabilities of learners performing a spatial-temporal task when using a touch screen monitor. Participants were required to learn a 5-digit key-pressing task in a goal time of 2550 ms …
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Design and development of a sensory feedback system for transradial amputees using body powered prostheses
… their prostheses largely owing to the lack of sensory feedback received. The aim of this study was to develop a non-invasive sensory feedback system, including proprioceptive feedback, to work in conjunction with an existing body powered prosthesis that provides the user with increased tactile …
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Development of a chronically implanted microelectrode array for intraneural electrical stimulation for prosthetic sensory feedback
… is restricted by the limited availability of sensory feedback. This research aims to develop a technology to allow the presentation of sensory information directly to the sensory afferent neurons of the transected peripheral nerve in the stump of the amputee. lntraneural implants of several …
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Mechanisms for enabling closed-loop upper limb sensorimotor prosthetic control
… are limited in their ability to provide sensory feedback to a user. The lack of sensory feedback forces prosthesis users to rely on visual feedback alone in manipulating objects, and often leads to abandonment of the prosthesis in favor of the user's unimpaired arm. Consequently, there is …
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An exploration of modality matched mechanotactile feedback via a soft actuator for use in prosthetic devices
… often mean the interruption of the closed-loop feedback system within the brain that is responsible for motor control of the hand and the sensory feedback from the hand. The loss of sensory feedback can significantly affect the quality of life of persons with amputations and current prostheses …
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Vibrotactile sensory substitution for post-stroke rehabilitation
… and loss of sensation in one side of their body. Sensory feedback in the hand is used to assess if the individual is using appropriate grip force to hold and use objects; lack of sensory feedback can lead to dropped or damaged objects, and possible hand injury. Existing force biofeedback devices …
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Exploring a behavioral role for presynaptic inhibition at spinal sensory-motor synapses
… of mammalian movement relies on excitatory sensory feedback supplied by proprioceptors, and its context-dependent refinement by spinal inhibitory microcircuits. One microcircuit that has been implicated in the regulation of sensory input establishes inhibitory synapses directly on the …
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Rewiring neural conduits : engineering neuromuscular tissues for bidirectional neuroprosthetic interfacing
… disrupts neuromuscular architecture, discards sensory organs and provides no anatomical or prosthetic replacement. This precludes the generation of afferent sensory feedback, which is critical for sensory integration, motor planning, peripheral and central neurological health, and myoelectric …
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The role of feedback and age-related differences in force production accuracy, variability, and shape across oral and manual effectors
… was two-fold: 1) to determine the role of feedback in force production accuracy, variability, and shape and 2) to determine whether sensory feedback mediates age-related difference in force production accuracy, variability, and shape across effectors. The premise of these experiments was …
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Embodied cognition in robots and human evolution
… professor Rodney Brooks. The idea is that the feedback from the physicality of humans is a precognition to our intelligence. The choice example I use for our physicality is the motion of throwing, particularly the javelin throw. For robotics, I focus on the development of 'eyes' in Brooks' …
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A computational and experimental study of the Drosophila larval locomotor system and its developmental critical period
… along the network in presence and absence of sensory feedback. Specifically, experimental findings show that in isolated nerve cords (i.e. deprived of sensory feedback) the speed of activity propagation is dramatically reduced, as compared to in intact animals. Through in silico modelling I …
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Influence of Vibratory Plantar Stimulation on Cortical Motor Planning and Spatiotemporal Step Parameters
… motor planning, and continuous integration of sensory feedback. The premotor cortex (PMC) supports movement preparation, while plantar mechanoreceptors provide essential input for anticipatory postural adjustments and gait initiation. Although previous literature suggests that plantar vibratory …
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