Wisconsin Alumni Research Foundation

Technology

ADDITIVE MANUFACTURING WITH SEALED PORES

UW researchers have developed a new 3D printing technique for fabrication of metal foams with pore patterns. Unlike traditional manufacturing techniques used for fabrication of metal foams, this new m...
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Lianyi Chen, S. Mohammad H Hojjatzadeh, Qilin Guo | P210245US01

Technology

ROTATING NOZZLE STRUCTURE AND METHOD

UW-Madison researchers have developed an improvement to the Fused filament fabrication (FFF) 3D printing process whereby rotating the nozzle at high speeds causes the polymer melt along the wall to sh...
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Alec Redmann, Tim Osswald, Allen Román | P210202US01

Technology

BROADBAND METAMATERIAL REFLECTOR

UW-Madison researchers have devised a new type of acoustic functional material that can be assembled as wall panels to achieve indoor sound shaping functions such as acoustic reflected wave steering, ...
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Chu Ma | P210353US01

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

Variable Magnetization Machine Controller

A variable magnetization machine controller has a current command module, a magnetization module and a reducing current module. The current command module computes a vector current command in a dq axi...
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Robert Lorenz, Chen-Yen Yu, Takashi Fukushige | P130156US01

Technology

Variable Magnetization Machine Controller

A variable magnetization machine controller including a hysteresis control component configured to receive an ideal magnetization state signal, output an actual magnetization signal based on the ideal...
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Robert Lorenz, Chen-Yen Yu, Takashi Fukushige | P140008US01

Technology

Variable Magnetization Machine Controller

A variable magnetization machine control system comprising a controller configured to generate a reversely rotating d-axis/q-axis current vector trajectory during a change in a magnetization state of ...
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Robert Lorenz, Chen-Yen Yu, Takashi Fukushige, Brent Gagas | P140170US01

Technology

Variable Magnetization Machine Controller

A variable magnetization machine control system comprising a controller configured to adjust a d-axis current waveform and a q-axis current waveform in accordance with an operating condition of a vari...
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Robert Lorenz, Brent Gagas, Takashi Fukushige, Takashi Kato | P140171US01

Technology

Nanopillar Arrays For Secondary Electron Emission

The present invention provides systems, devices, device components and structures for modulating the intensity and/or energies of electrons, including a beam of incident electrons. In some embodiments...
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Robert Blick, Michael Westphall, Hua Qin, Lloyd Smith | P07376US

Technology

Control Of Small Distributed Energy Resources

A method of controlling the output inverter of a microsource in a distributed energy resource system is disclosed. Embodiments of the invention include using unit or zone power controllers that reduce...
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Robert Lasseter, Paolo Piagi | P05242US

Technology

Permanent Magnet Synchronous Motor

A permanent magnet synchronous motor includes a stator with a stator winding, a rotor with a rotor core rotatable relative to the stator, and a magnetic structure with at least one permanent magnet mo...
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Robert Lorenz, Takashi Fukushige, Apoorva Athavale, Kensuke Sasaki, Takashi Kato | P140361US01

Technology

Converter Control Using Reduced Link Capacitor

A controller selects a first switch vector based on a current, voltage, or power of a multi-phase load or power source. The first switch vector identifies a first state for each of a plurality of half...
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Venkata Giri Venkataramanan, Mahima Gupta | P160095US01

Technology

Joint Structures

Aspects of the present disclosure are directed to a three-dimensional joint and/or formation thereof, such as by 3D-printing the joint. The joint is provided with an interface region having a curable ...
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Natalie Rudolph, Alec Redmann | P170335US01

Technology

Retrofit Peltier Cooling Device

Insulated storage containers, i.e., coolers, continue to serve as the primary means for the portable preservation of food and beverages. Coolers are often essential for camping, picnics, tailgating, ...
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Brandon Behringer | T180052US02

Technology

Three-Dimensional Printer Laminating Fusible Sheets

A 3D printer successively fuses sheet material in a stack to form a three-dimensional object. The sheet material may provide a mesh separating islands of material that will be fused to produce the de...
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Thomas (Rock) Mackie, Brandon Walker, Nathan Schumacher | P190125US01

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