drive mass drive torque structure mass structure technology / costly electronics / electronic device / energy storage technologies / transportation / unit energy / energy capacity / metal frame / lower transportation costs / Drive technology / Technology choices / energy density / Wheel technology / Structure technology / public transportation / metal wheel / manufacturing cost / satellite areas / control electronics / Steel frames / metal hydride / technology choice / technology assessment / energy / board device / vehicle manufacturing cost / transportation services / metal / higher-performing technologies / low energy density / basic technology choices / brushed and brushless drive technologies / technology alternatives / transportation device / wheel technology terrain wheel diameter battery technology / electricity / instances technology choices / energy storage / kinetic energy / basic technology choice / web-based calculator / Energy storage technology / tubular metal frame / energy requirements / potential energy / clean transportation / cordless power tools / public transportation routes / transportation applications / electronics / mobile electronic devices / traction applications / battery technologies / technology frontier / energy losses / auxiliary transportation / personal transportation devices / speciļ¬c technology choices / Structure technologies / steel frame / charge algorithm / motive energy source / personal transportation applications / personal transportation / steel / energy storage device / /
NaturalFeature
Maximum hill / /
Organization
University of Pennsylvania / Karl T. Ulrich Department of Operations and Information Management / Department of Mechanical Engineering and Applied Mechanics / /
Person
Karl T. Ulrich / Terrain Urban / /
Position
motor controller / rpm drive wheel speed Controller / personal electric vehicle designer / Charging Controller / designer / chair / wheel chair / controller / /
Product
Flyer / /
ProgrammingLanguage
DC / /
ProvinceOrState
San Francisco / Pennsylvania / /
Technology
Drive technology / higher-performing technologies / Wheel technology / Structure technologies / three battery technologies / heat transfer / fuel cells / charge algorithm / brushed and brushless drive technologies / Energy storage technology / drive mass drive torque structure mass structure technology / energy storage technologies / two technologies / wheel technology terrain wheel diameter battery technology / Structure technology / /