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.
Results
Showing 1 to 20 of 50 for “"digital models"”.
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Equivalent analog & digital models
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1961
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Software development for the automatic calculation of dental arch relationships on digital models in cleft lip and palate
… with existing indices combined with emerging digital technology has led to a need for more contemporary, accurate and thorough measures of surgical outcome. <br/><b>Objectives: </b>To design, calibrate and validate an automated scoring tool for the assessment of surgical outcomes on digital …
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Accuracy of Ortho Insight 3D Digital Scanner in Mesial-Distal Tooth Measurements
Introduction: Digital scanners and software may be used to measure mesial-distal (MD) tooth width for orthodontic diagnosis and treatment planning. Although there have been many studies performed on different digital scanners, accuracy of mesial-distal tooth measurements using the Ortho Insight 3D …
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In-vitro Study Investigating the Validity and Reliability of a New Software for Digital Scoring of the American Board of Orthodontics Objective Grading System
… Objective Grading System <br/>(ABO OGS) by using digital models to replace the conventional method (gold standard) of using plaster models and a hand ABO gauge. The secondary aims of the study are to assess the level of agreement between orthodontists and non-orthodontists’ ABO OGS scores using …
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The real thing: an investigation into authenticity and the substance of place
… supported by artefacts such as film and digital models. This document provides a narrative bringing together my published work on the subject of authenticity and place. I argue that authenticity is a plural, dynamic and networked condition (rather than singular and static); that the …
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Mixed physical and virtual design environments for digital fabrication
Digital Fabrication (3D printing, laser-cutting or CNC milling) enables the automated fabrication of physical objects from digital models. This technology is becoming more readily available and ubiquitous, as digital fabrication machines become more capable and affordable. When it comes to …
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Ultra-Smooth
… whose work is translated from drawings and digital models, ultra- smooth finds its form, like clothing on a body. Leaving the computer and pen and paper behind, ultra- smooth positions the architect in a mode of surrender rather than control, giving form to natural forces, present but not …
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An illuminated workspace for iterative design
The rapid development of digital technology has led to the widespread of virtual or CAD based design environments. However, these tools lack a means of combing physical and digital representations in order to support the iterative design process. The illuminated workspace provides a self-contained …
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Design and development of a LIVE Digital Twin methodology for predictive maintenance of bearings in rotary machine systems
Digital Twin (DT) is a prominent focus for many predictive and prescriptive maintenance strategies. In maintenance, DT is used for connecting the physical and digital models of a maintenance monitoring system and proactively prescribing maintenance solutions to extend the products life. Many of the …
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Crafting decisions : integrating design, fabrication, and assembly for six-axis robotic arms
… what we design determines how we make it. Digital fabrication provides designers the opportunity to directly link digital models with CNC equipment such as robotics. While beneficial this direct link eliminates the ability for a craftsperson to adjust forms on-site using their knowledge of …
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Comparative Digital Examination of the Talocrural (ankle) Joint Provides Insight into Human bipedal locomotion
… 3-dimensional laser scanner (FARO Arm EDGE), digital models of these bones from a sample of humans (N=19), fossil hominins (4.4 million year old Ardipithecus ramidus, 3.2 Ma Australopithecus afarensis, 1.8 Ma Homo habilis), non-human primates (N=29), ursids (n=3), and felids (n=2) were created …
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A study of Symmetric and Repetitive Structures in Image-Based Modeling
Creating photo-realistic 3D digital models from street-view imagery has many important applications and involves fundamental vision problems. We investigated the paradox of having similar or repetitive structure in the input image data. In general, prior knowledge of structure regularity helps with …
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A Reflection of a Revolution
… Then the design was advanced through a series of digital models and hand sketches. My drawings in general are a rational representation of the spaces. It deals with the sense, rather than the material aspect, of the space.
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The Architecture of Concrete
… to an architect: hand drawings, physical models of different scales using a variety of media implicating concrete, and modern digital models transcending scale. Architecture requires that the tools, drawings, and models used in architecture respond to the site. To understand the site, I …
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Accuracy of Volumetric Analysis Software Packages in Assessment of Tooth Volume Using CBCT
… them to the volume obtained using an optical digital scanner. Twenty-four single rooted teeth indicated for extraction were collected. Cone beam computed tomography scans of these teeth resting in a custom scan jig were taken. Three dimensional digital models were obtained from the DICOM image …
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SP3X : a six-degree of freedom device for natural model creation
… input device, called SP3X, for the creation of digital models in a semi-immersive environment. The goal of SP3X is to enable novice users to construct geometrically complex three-dimensional objects without extensive training or difficulty. SP3X extends the ideas of mixed reality and partial …
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The Assessment of Rapid Palatal Expansion Using a Remote Monitoring Software
… correction measured by DM were compared to digital models and intraoral measurements. Patient acceptance of the DM app was evaluated with a survey. Results: Out of the 30 patients enrolled, 20 patients completed the study. DM accurately assessed the correction of posterior crossbite. There …
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Analyzing the complexity of bat flight to inspire the design of flapping-flight drones
… were applied to ten experimentally obtained digital models of the flight kinematics in Ridley's leaf-nosed bats as well as the simulated kinematics of a flapping-flight drone inspired by the same bat type. The pilot results obtained indicate that both measures could be useful to discover …
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