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 21 for “"complex motion"”.
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Complex Motion Predicates in Hiaki
… verbal structures in Hiaki in which a verb of motion is modified by an adjoined lexical verb or verb phrase. It provides the first in-depth documentation and analysis of this structure in Hiaki, an endangered language indigenous to North America, and it explores the extent to which complex …
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The analysis of complex motion patterns in primate cortex
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Brain and Cognitive Sciences, 1995.
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Achieving Complex Motion with Fundamental Components for Lamina Emergent Mechanisms
… mechanisms. In addition, it is shown that more complex mechanisms may be created by combining simple mechanisms in various ways. The principles presented are applied to the creation of new pop-up joints and mechanisms, which also may be used for lamina emergent mechanisms. Models of the paper …
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Where will it go? Concepts of motion in complex events
… olds) and adults of how multiple components of motion combine in complex events. Children were shown to have basic, accurate conceptions of complex motion, but only if all components of motion were in the same dimension. For events that span two dimensions most children responded inconsistently, …
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Multi-Agent Reinforcement Learning for Autonomous Robotics
… required in multi-agent systems demands complex motion planning to deconflict actions and prevent collisions of vehicles moving at increasingly high speeds. This thesis explores the application of multi-agent reinforcement learning (MARL) to autonomous robotics by teaching a central …
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Neural responses to relative motion in V1 and V2 of macaque monkeys
Relative motion information is required for solving many complex visual tasks, such as depth perception by motion parallax and motion-induced figure/ground segmentation. However, little is known about the neural substrate for relative motion. To explore the neural mechanisms underlying relative …
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Dielectric elastomers for space robotics applications
… developed low-mass robots capable of performing complex motion and compacting to a fraction of their operating size using DETs incorporated into inflatable polymer structures. Traditional inflation mechanisms cannot be incorporated into our soft structures, so low mass and flexible inflation …
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A PC implemented kinematic synthesis system for planar linkages
… be combined to design linkages that produce more complex motion. For each kinematic synthesis case the code calculates a certain number of solutions. Then the designer chooses the most suitable solution for the particular application at hand. After a mechanism is synthesized, it can be animated …
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Redesign of a human powered battery charger for use in Mali
… The alpha prototype utilizes a modified rowing motion to move a device produces power through a constant force spring, a small motor. A voltage regulator safely charges the battery using the voltage output of the motor. The rowing motion requires a number of moving parts and expensive components …
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Fundamental Components for Lamina Emergent Mechanisms
… building blocks to create LEMs capable of more complex motion. As the name suggests, lamina emergent mechanisms are fabricated out of planar materials (the lamina) but their motion is out of that plane (emergent). Lamina emergent mechanisms can provide benefits that include reduced manufacturing …
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Linear and non-linear mechanistic modeling and simulation of the formation of carbon adsorbents
… discrete and mesoscopic entities undergoing complex motion and behavior be explored by means of the statistical framework or a probabilistic paradigm. This work aims at probabilistic analysis, modeling, and simulation of the formation of carbon adsorbents on the basis of mechanistic rate …
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Spin dynamics of fine magnetic particles
… Stephenson a model was developed to show the complex motion of the moments in an alternating field and it was found that positive and negative cycles of the field produced an asymmetry in the motion. This asymmetry leads to one of the easy magnetisation directions being favoured so that when …
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Motion quality models for real-time adaptive rendering
… rendering has also made shading incredibly complex. However, GPUs are still limited in processing capabilities and often have to work at a fraction of their available bandwidth due to hardware constraints. In this dissertation, I build upon the observation that the human visual system has a …
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Mitigating IPMC Back Relaxation Through Feedforward and Feedback Control of Patterned Electrodes
… typically uses patterned electrodes to produce complex motion or even self-sensing capabilities. In this work, however, a new controltechnique is proposed, allowing the IPMC sectors to be actuated in opposite directions such that the back relaxation components counteract each other. A …
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Development of a high-fidelity biorobotic cardiovascular in vitro simulator
The complex motion of the beating heart is accomplished by the spatial arrangement of contracting cardiomyocytes with varying orientation across transmural layers, which is difficult to imitate in organic or synthetic models. The anatomical details of intracardiac structures (such as papillary …
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Interactive simulation and rendering of fluids on graphics hardware
… uid dynamics can be used to reproduce the complex motion of fluids for use in computer graphics, but the simulation and rendering are both highly computationally intensive. In the past performing these tasks on the CPU could take many minutes per frame, especially for large scale scenes at …
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Acquisition of Causative Directed Manner of Motion by English-speaking Learners of Chinese
… learners of Chinese acquire directed manner of motion. The thesis consists of six chapters with three major parts: firstly, a linguistic analysis to account for the Chinese-English differences in licensing causative directed manner of motion events; secondly, a second language acquisition study …
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Ultra-Fast and Multi-Dimensional Face Processing in a New Face Area
… be transmitted either through facial shape or motion. The last two decades have established that a network of face-selective areas in the temporal lobe of macaque monkeys supports the visual processing of faces. Most of these studies focused on the processing of static facial shape. They found …
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Dynamics and statistics of hydrodynamically interacting particles in laminar flows
… the hydrodynamic interaction on the diffusive motion are examined as well as the dumbbell statistics. If the dumbbell is driven by an external flow through the periodic landscape two different kinds of motion occur: transport along a potential valley and a stair-like motion oblique to the …
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Alterations in Shoulder Motion Following Copeland® Shoulder Resurfacing Arthroplasty
… of this study was to investigate the changes in motion analysis in patients following CSRA for range of motion tasks namely; flexion, abduction, external and internal rotation. In addition, all patients undertook three activities of daily living tasks namely; reaching behind the head, reaching …
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