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RISAn Experimental Investigation of Digging Via Localized Fluidization, Tested With RoboClam: A Robot Inspired by Atlantic Razor Clams
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The Atlantic razor clam, Ensis directus, burrows underwater by expanding and contracting its valves to fluidize the surrounding soil. Its digging method uses an order of magnitude less energy than would be needed to push ...
Shape and Form Optimization of On-Line Pressure-Compensating Drip Emitters to Achieve Lower Activation Pressure
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This study presents the design and validation of on-line pressure-compensating (PC) drip irrigation emitters with a substantially lower minimum compensating inlet pressure (MCIP) than commercially available products. A ...
A Hybrid Computational and Analytical Model of Inline Drip Emitters
Publisher: American Society of Mechanical Engineers (ASME)
Abstract: This paper details a hybrid computational and analytical model to predict the performance of inline pressure compensating drip irrigation emitters. Pressure compensating emitters deliver a constant flow rate over a range ...
Design and Mechanical Validation of Commercially Viable, Personalized Passive Prosthetic Feet
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Current high-performance prosthetic feet work well for many users, but the low resolution of size and stiffness categories may limit walking performance for certain users. A line of prosthetic feet with a high resolution ...
Developing World Users as Lead Users: A Case Study in Engineering Reverse Innovation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper examines the “reverse innovation†of the leveraged freedom chair (LFC), a highperformance, lowcost, offroad wheelchair originally designed for developing countries. A needs study of 71 developed world ...
Design and Preliminary Field Validation of a Fully Passive Prosthetic Knee Mechanism for Users With Transfemoral Amputation in India
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: An estimated 230,000 above-knee amputees in India are currently in need of prosthetic devices, a majority of them facing severe socio-economic constraints. However, only a few passive prosthetic knee devices in the market ...
An Engineering Review of the Farm Tractor's Evolution to a Dominant Design
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper explains the origin and merits of the dominant farm tractor design, which has endured since the 1940s. Understanding the origins and rationale for this dominant design enables engineers to appreciate its merits, ...
MultiKeel Passive Prosthetic Foot Design Optimization Using the Lower Leg Trajectory Error Framework
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: People with lowerlimb amputation in low and middleincome countries (LMICs) lack access to adequate prosthetic devices that would restore their mobility and increase their quality of life. This is largely due to the cost ...
The Effects of the Inertial Properties of Above-Knee Prostheses on Optimal Stiffness, Damping, and Engagement Parameters of Passive Prosthetic Knees
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Our research aims to design low-cost, high-performance, passive prosthetic knees for developing countries. In this study, we determine optimal stiffness, damping, and engagement parameters for a low-cost, passive prosthetic ...
Control of Flow Limitation in Flexible Tubes
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: This paper proposes a new Starling resistor architecture to control flow limitation in flexible tubes by introducing a needle valve to restrict inlet flow. The new architecture is able to separately control the activation ...