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  • Reduced order modeling of legged locomotion in the horizontal plane

    Creator:
    Wickramasuriya, Gamika Arun
    Abstract:
    Sprawled-posture insects exhibit a remarkable ability to rapidly run in a stable manner over complex terrain, a feat that has yet to be equaled by man-made legged robots. Recent experimental results suggest that these insects may employ a hierarchical control structure, in which locomotion performance emerges from a combination of...
    Resource Type:
    Dissertation
    Full Text:
    the sagittal [4, 5, 50, 18] and lateral planes [43, 42, 41] for a variety of animals and insects

  • Mechanical design under changing customer requirements case study : BugID

    Creator:
    Fagan, Chris R.
    Abstract:
    Customer requirements and engineering specifications will influence the direction of the design in any product, so it is crucial to make the requirements as stable as possible so quality designs can be produced on time within a budget. It would be optimal for requirements and specifications to remain constant but...
    Resource Type:
    Masters Thesis
    Full Text:
    entomology team and have requirements for device usability and functionality while handling insects

  • The Mira 2 Rocket Engine: Applying Lessons Learned for an Improved Iteration

    Creator:
    Dimas-Harms, Colton R.
    Abstract:
    In this paper, I present the design of Mira 2, a small-scale, liquid bipropellant rocket engine, with a specific focus on its oxidizer-centered pintle injector. Building upon the valuable lessons and insights gained from the empirical testing of its predecessor, Mira 1, the Mira 2 engine incorporates several improvements and...
    Resource Type:
    Capstone Project
    Full Text:
    AN ABSTRACT OF THE REPORT OF Colton Dimas-Harms for

  • Product innovation for interdisciplinary design under changing requirements : mechanical design for the Bug ID project

    Creator:
    Peterson, Clint W.
    Abstract:
    It is crucial for the development of high quality products that design requirements are identified and clarified as early as possible in the design process. In many projects the design requirements and design specifications evolve during the project cycle. Shifting needs of the customer, advancing technology, market considerations and even...
    Resource Type:
    Masters Thesis
    Full Text:
    to generate an automated method for identifying species of particular insects, I have explored

  • Experimental and analytical characterization of bidirectional reflectance data for engineering materials

    Creator:
    Zaworski, Joseph Robert
    Abstract:
    Bidirectional reflectance is a fundamental property used for the analysis of radiative heat transfer. It is a form of reflectivity in which the spectral and directional dependencies of both the beam incident on a surface and the beam reflected from the surface are specified. A new system has been designed...
    Resource Type:
    Dissertation
    Full Text:
    about the sample to change the measured reflected beam direction. Redacted for Privacy The system

  • Rational Fuel Design for Low Temperature Internal Combustion Engines

    Creator:
    Daly, Shane R.
    Abstract:
    This work introduces a new methodology to design transportation fuels offering improved efficiency and reduced emissions, aimed to complement both traditional and emerging engine technologies. Many of these emerging technologies are centered around exploiting low temperature combustion (LTC) strategies that offer improved efficiency and reduced emissions. However, a standardized fuel...
    Resource Type:
    Dissertation
    Full Text:
    direction for designing high efficiency, next-generation combustion systems. ©Copyright by Shane Daly

  • Non-Isotropic Fiber Reinforced Elastic Membranes for Micro Aerial Vehicle Wings

    Creator:
    Wilcox, Joshua Robert
    Abstract:
    Micro air vehicles (MAV's) and small unmanned aerial vehicles (SUAV) are remotely piloted or autonomous aircraft with a take-off mass range between 50 g and few kilograms. These vehicles, as well as natural fliers such as bats and insects, utilize a variety of elastic wing structures including thin membranes. Over...
    Resource Type:
    Masters Thesis
    Full Text:
    flight, resulting in a summary of his descriptions for insects, bats, and birds given in Table 2-1

  • Geometric Motion Planning for Inertial Systems

    Creator:
    Faraji, Hossein
    Abstract:
    In order to enable better visualization and understanding of the effect of the robot's geometry and inertia on the robot's trajectories, this dissertation proposes to use geometric mechanics to bridge the gap between the physical motion of a robot and its mathematical structure. The main focus of this research is...
    Resource Type:
    Dissertation
    Full Text:
    direction of velocity for a puck with a 45◦ tether attached at the center of mass, as a function of the

  • Model predictive control for sagittal plane locomotion

    Creator:
    Maunder, Cary R.
    Abstract:
    A distinct characteristic of legged locomotion is its periodic nature. This periodic motion, in the form of a periodic orbit, has been the target of many walking and running control strategies. The spring loaded inverted pendulum (SLIP) has become a popular model of sagittal plane locomotion, exhibiting behavior characteristic of...
    Resource Type:
    Masters Thesis
    Full Text:
    AN ABSTRACT OF THE THESIS OF Cary R. Maunder for the

  • A relationship between wave dispersion and fracture strength for a composite material

    Creator:
    Ilcewicz, Larry Bert
    Abstract:
    Wave dispersion and fracture are phenomena that involve. mechanisms triggered at the scale of a material's internal structure. Experiments were performed with a candidate material to judge the hypothesis that wave dispersion measurements can be used to nondestructively predict fracture strength. Wood-based particleboard was chosen as the candidate material because...
    Resource Type:
    Dissertation
    Full Text:
    ultrasonics. Wave dispersion and fracture were studied in detail for the weak direction of particleboard