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 84 for “"Gliding"”.
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Optimal Paths in Gliding Flight
Underwater gliders are robust and long endurance ocean sampling platforms that are increasingly being deployed in coastal regions. This new environment is characterized by shallow waters and significant currents that can challenge the mobility of these efficient (but traditionally slow moving) …
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Hydrodynamic behaviour of gliding hydrofoil crafts
A new type of high-speed craft, called a Gliding-Hydrofoil Craft (GHC), has recently been developed in Jiangsu University of Science and Technology, China. This craft is similar to a planing hull but with a hydrofoil in the front part of its body. The fixed hydrofoil improves the seakeeping …
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KINESIN-MICROTUBULE INTERACTIONS DURING GLIDING ASSAYS UNDER MAGNETIC FORCE
Conventional kinesin is a motor protein capable of converting the chemical energy of ATP into mechanical work. In the cell, this is used to actively transport vesicles through the intracellular matrix. The relationship between the velocity of a single kinesin, as it works against an increasing …
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Physical mechanisms of control of gliding in flying snakes
Flying snakes possess a sophisticated gliding ability with a unique aerial behavior, in which they flatten their body to make a roughly triangular cross-sectional shape to produce lift and gain horizontal acceleration. Also, the snakes assume an S-like posture and start to undulate by sending …
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The Dynamics of Non-Equilibrium Gliding in Flying Snakes
… a new non-equilibrium framework to analyze gliding animals and how the pitch angle affects their translational motion. Chapter 3 combines flying snake glide experiments and detailed dynamic modeling to address what is aerial undulation and how each kinematic component affects rotational …
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Molecular systematics and conservation genetics of gliding petaurids (Marsupialia: petauridae).
The gliding petaurids are small sized arboreal and nocturnal marsupials restricted to Australia and the New Guinean region. They have suffered range contractions since European settlement, and most of the species are of conservation concern, either nationally or at a state level. This study applied …
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Experiencing an aerial landscape : hang gliding park on a cliff
This thesis is an exploration of architectural space as a contrasting and changing experience from the ground and from the ai r. It focuses on how architectural interventions may offer spatial experiences which may be instrumental in gaining a particular understanding of a place. The thesis design …
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Maria Schneider's "Hang Gliding": Dual Analyses for a Hybrid Musical Style
… genre of music. Maria Schneider's piece "Hang Gliding" integrates influences of classical, jazz, and Brazilian music. After a discussion of these influences upon her work and her transgression of the third stream classification of music, "Hang Gliding" is analyzed using a dual approach: pitch …
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Simulation and control design of a gliding autogyro for precision airdrop
… rooftop in an urban combat situation. A gliding autogyro delivery platform has been investigated as a means of achieving greater airdrop performance. The autogyro has similar gliding characteristics to the parafoil, but has improved wind resilience and control authority. An initial …
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Optimal path planning and high level control of an autonomous gliding underwater vehicle
Recent oceanographic interests have focussed on the littoral ocean, where regions of shallow water and high current are prevalent. Long the domain of remotely operated vehicles and, more recently, autonomous propeller-driven vehicles, glider vehicles are being designed and tested for these …
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A parametric analysis of the start-up procedure and flight characteristics of a gliding autogyro
… Laboratory is in the development stages of a gliding autogyro airdrop system. The goal of the project is to design a platform capable of placing small, high value items into urban terrain. Theoretically, autogyros can achieve descent rates and glide slopes similar to current parafoil based …
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Identification of genes involved in gliding motility and proteomic analysis of spore inner membrane proteins in Clostridium perfringens
… discover the gene products that play a role in gliding, we developed a plasmid-based mariner transposon mutagenesis system that works effectively in C. perfringens. Twenty-four mutants with deficiency in gliding motility were identified and one gene, which encodes a homolog of the SagA cell …
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Independence and interdependence: signal transduction of two chemosensory receptors important for the regulation of gliding motility in Myxococcus xanthus
… play important roles in the regulation of gliding motility. The Dif system regulates the production of exopolysaccheride (EPS), which is essential for social motility and fruiting body formation. The Frz pathway controls reversal frequency, which is fundamental for directed movement by this …
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Bio-inspired design of an aerial-terrestrial multi-modal robot
… robotic platform. The flexible membrane and gliding method of Pteromyini have been applied to the robot design for gliding performance. The legs of the robot were designed to perform with regulated motor torques in both walking and gliding. The robot glided with an average gliding ratio of …
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The Role of Actin Depolymerizing Factor in Regulating Actin Dynamics in Toxoplasma gondii
… a unique process of rapid motility termed gliding, which is coupled to their invasion of host cells. Gliding and invasion are dependent on parasite actin filaments, yet parasite actin is mostly non-filamentous. Filaments have been detected only transiently during gliding, suggesting that …
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Mathematical models for polymer-nematic interactions
… exhibiting a phenomenon known as director gliding or easy axis gliding. Mathematical models for gliding, inspired by the physics and chemistry of the interaction between the NLC and polymer substrate are presented. These models, though simple, lead to non-trivial results, including loss of …
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A Molecular Basis for Divergent, Unstable Actin Filaments in Toxoplasma gondii
… invasion of host cells involves a unique gliding motility mechanism that is dependent on polymerization of parasite actin. However, in non-motile parasites, the majority of actin is monomeric and filaments only assemble upon initiation of gliding motility. Actin filament turnover is …
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Flying snakes: Aerodynamics of body cross-sectional shape
… and producing lift. The snake exhibits exception gliding and maneuvering capabilities compared with other species of gliders despite this lack of appendages. While gliding, C. paradisi morphs its body by expanding its ribs, essentially doubling its width and utilizing its entire length as a …
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How Kinesin-1 Deals With Roadblocks: Biophysical Description and Nanotechnological Application
… and nano-assembly devices. However, in this gliding motility setup, cargo and motors share the filament lattice as a common substrate for their activity. Therefore, it is important to understand the influence of cargo-loading on transport properties. By performing single molecule stepping …
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