UW-Madison researchers have developed a compression ignition engine system that allows use of hydrous fuels, in particular hydrous biofuels, with high water content ( e.g., 20-85% water). The hydrous ...
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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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An improved system for measuring current within a power semiconductor module is disclosed, where the system is integrated within the power module. The system includes a point field detector sensing a ...
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A core function of firetrucks and tenders are to haul initial water to an emergency and often serve as a sole source when water is not nearby from a hydrant or other source. As part of their key roles...
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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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An engine/reformer system accepts a first fuel and reforms it into syngas for use as a fuel in an accompanying internal combustion engine. Prior to reforming, the first fuel is pressurized and/or heat...
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A magnetization state control method for a variable magnetization machine, the method includes generating a flux linkage vector while changing a magnetization state of the variable magnetization machi...
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Low-reactivity fuel such as gasoline is provided to a diesel engine cylinder sufficiently early in the injection stroke that it will be premixed. High reactivity fuel such as diesel fuel is then injec...
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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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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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Thermal barrier coatings and substrates, including engine components, coated with the thermal barrier coatings are provided. Also provided are methods for making and applying the thermal barrier coati...
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Diesel compression ignition engines offer higher efficiency and lower CO2 emissions than their gasoline spark ignition counterparts; however, controlling NOx and soot emissions while achieving high ef...
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Permanent magnet machines (PMs) are common in electric and hybrid vehicles, renewable energy and other industrial applications. These utilize permanent magnets made from rare earth materials (such as ...
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High speed electric machines are needed in many applications including HVAC, industry, flywheels, fans, fuel-efficient vehicles, aircraft and much more. Flux-switching permanent magnet (FSPM) machine...
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High speed electric machines are needed in many applications including HVAC, industry, flywheels, fans, fuel-efficient vehicles, aircraft and much more. Flux-switching permanent magnet (FSPM) machi...
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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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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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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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Nitrogen oxides (NOx) and soot are two common pollutants that result from the burning of fuel in diesel engines. Cooler engine conditions tend to reduce NOx emissions but increase soot. Due to this â€...
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UW–Madison researchers previously disclosed a Reactivity Controlled Compression Ignition (RCCI) system for improving fuel efficiency and lowering emissions in compression ignition, internal comb...
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Diesel engines, also known as compression ignition engines, are among the most energy-efficient engines available, with high power output per fuel consumption. Unfortunately, they are also among the &...
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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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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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