Wisconsin Alumni Research Foundation

Technology

Controller For Power Converter

A controller for a power converter detects a current output from the power converter, estimates a flux vector of the motor, and calculates a torque line in a physical model resulting from mathematizin...
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Robert Lorenz, Yukai Wang, Takumi Ito | P140161US01

Technology

Controller For Power Converter

A controller includes a torque command value calculation module configured to calculate a torque command based on a speed command of the motor, an output voltage controlling module configured to contr...
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Robert Lorenz, Yang Xu, Ryo Iida, Yukai Wang | P170166US01

Technology

Engines Using Supercritical Syngas

A first engine fuel, for example diesel fuel, is reformed (preferably via steam reforming) to produce syngas for use as a second engine fuel, with the fuels then both being used in an internal combust...
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Sage Kokjohn, Flavio Dal Forno Chuahy, David Wickman | P180102US01

Technology

Permanent Magnet Synchronous Motor

A permanent magnet synchronous motor includes a stator, a rotor rotatable relative to the stator, and a magnetic structure with a low coercive force magnet and a high coercive force magnet that are ar...
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Robert Lorenz, Apoorva Athavale, Kensuke Sasaki, Takashi Kato, Takashi Fukushige | P150276US01

Technology

Plasma Treatment within Dielectric Fluids

Conventional techniques for generating plasmas aren't suitable for plasma reactions in liquids such as gasoline or diesel fuels. They are inefficient and can result in significant heat and unwanted ef...
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Ferencz Denes, Sorin Manolache | P03049US

Technology

Non-Intrusive Monitoring of Combustion Chambers

Exhaust emission and fuel economy standards have put increased pressure on the auto industry to improve the efficiency of internal combustion engines. While higher standards help protect the environme...
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Michael Andrie | P08225US

Technology

Fuel Reactivity Method Cuts Diesel Engine Emissions

Nitrogen oxides (NOx) and soot cause acid rain and smog. They are pollutants that commonly result from the burning of fuel in diesel engines. Engine conditions that reduce NOx emissions tend to increa...
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Rolf Reitz, Reed Hanson, Derek Splitter, Sage Kokjohn | P100054US02

Technology

Valve Method Cuts Engine Emissions, Boosts Combustion

In four-stroke engines, intake and exhaust valves open during the engine cycle to introduce air into the combustion chamber prior to combustion, and to release exhaust gases once combustion is complet...
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Rolf Reitz, Christopher Rutland, Rahul Jhavar | P06042US

Technology

Internal Combustion Engine Exhaust Filtration Analyzer

Internal combustion engines are a major contributor to atmospheric pollution, emitting carbon oxides, nitrogen oxides and sulfur oxides.  Federally mandated emission regulations effective in 2010...
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David Foster, Ekathai Wirojsakunchai, Christopher Kolodziej, Renato Yapaulo | P08173US

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