Amy Bilton

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Precision mirrors are required for effective solar energy collectors. Manufacturing such mirrors and making them robust to disturbances such as thermal gradients is expensive. In this paper, the use of parallel binary actuation to control the shape of mirrors for solar concentrators is explored. The approach embeds binary actuators in a compliant mirror(More)
The future construction and maintenance of very large space structures (LSS) such as orbital solar power stations and telescopes will require teams of free-flying space robots. For robots to effectively perform these tasks, they will require knowledge of the structure’s vibrations. Here, a robotic based sensor architecture for the vibration estimation of(More)
Photovoltaic reverse osmosis (PVRO) systems are a viable clean water source for many underserved communities. PVRO systems often use batteries and fixed recovery ratio energy recovery devices to operate at a constant (non-optimal) pressure. An alternate approach that eliminates expensive batteries and greatly increases water production is to optimally(More)
Photovoltaic reverse osmosis (PVRO) systems can provide water to many underserved communities. These systems need to be custom tailored for the water demand, solar insolation and water characteristics of a specific location. Systems can be constructed from modular components to be cost effective. Designing a custom system composed of modular components is(More)
Small-scale photovoltaic-powered reverse osmosis (PVRO) desalination plants can provide fresh water to remote communities that do not have sufficient natural sources. The technical feasibility of such systems is well-established and the economics for specific locations have been addressed. Recently, generalized methods to evaluate their economic feasibility(More)
Future space structures such as solar power stations and telescopes are expected to be very large. These structures will require on-orbit construction. Due to the risks and costs of human extravehicular work, teams of robots will be essential for the on-orbit assembly of the large space structures. There are a number of technical challenges presented by(More)
Separation of toxic organic pollutants from industrial effluents is a great environmental challenge. Herein, an acid-base engineered foam is employed for separation of micro-oil droplets from an aqueous solution. In acidic or basic environments, acid-base polymers acquire surface charge due to protonation or dissociation of surface active functional groups.(More)
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