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167 Results for 'Engineering'
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Technology
AERIAL STATION POWER TETHER WITH UNIPOLAR CURRENT FLOW
A UW researcher has developed a new power tether for aerial devices, such as balloons or drones, that uses as few as one conductor, providing a ground return by capacitive coupling between the aerial ...
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Daniel Ludois | P210406US01
Technology
METALLIC POWDERS AND METHODS THEREFOR
UW-Madison researchers have discovered a new method to create pore-free metal powders for additive manufacturing applications. This is accomplished by removing the pores that are introduced during the...
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Lianyi Chen, Ali Nabaa | P210436US01
Technology
COMPOSITIONS FOR STABILIZING METAL-FREE RING-OPENING METATHESIS POLYMERIZATION AND RELATED METHODS
A solvent-less method for photo-redox mediated MF-ROMP that can be used to produce industrially relevant polymers. Recognizing that fluorinated alcohols have several comparable characteristics to ROMP...
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Andrew Boydston, Xuejin Yang, Rachel Tritt, Margaret Tetzloff | P210232US02
Technology
POWDER CORE-SHELL STRUCTURES AND METHODS THEREFOR
UW-Madison researchers have developed a process for producing core-shell metal matrix nanocomposite wire for directed energy deposition (DED) additive manufacturing. The procedure involves first produ...
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Lianyi Chen, Jiandong Yuan | P220033US01
Technology
WET BIOFUEL COMPRESSION IGNITION
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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David Wickman, Sage Kokjohn | P210097US02
Technology
POWDER SPREADER
UW researchers have developed a novel design for the spreader component of powder bed-based additive manufacturing techniques, using a core-shell concept with low friction materials. The spreader is c...
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Lianyi Chen, Luis Izet Escano | P210196US01
Technology
BALANCED CURRENT-SOURCE INVERTER
UW Madison researchers have developed a switching circuit for a balanced current source inverter (CSI). The balanced CSIs utilize wide-bandgap semiconductors to address electromagnetic interference (E...
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Thomas Jahns, Hang Dai, Bulent Sarlioglu, Renato Amorim Torres | P210208US01
Technology
Metal Foam Additive Manufacturing with Controlled Pore Patterns
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
SUSTAINABLE CALCIUM HYDROXIDE PRODUCTION FOR GREEN CEMENT
UW-Madison researchers have developed a new sustainable process to manufacture calcium hydroxide as a way to reduce the CO2 emissions associated with cement production. This process utilizes a low-tem...
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Bu Wang, Raghavendra Ragipani, Robert Anex, Thatcher Root | P200241US02
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
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 Combined Storage And Generation In Distributed Energy Resources
A microsource is provided, which includes an energy storage device, a power generation device, and a controller. The energy storage device is operably coupled for power transfer to a load through a fi...
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Robert Lasseter, Paolo Piagi | P07388US
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
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
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
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
Method And Apparatus For Integrating Current Sensors In A Power Semiconductor Module
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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Robert Lorenz, Minhao Sheng, Hiroyuki Nogawa, Yoshinari Ikeda, Eiji Machizuki | P160204US01
Technology
Systems And Methods For Controlling Support Structures In Manufacturing
Systems and methods for controlling support structures in manufacturing are provided. In particular, the present disclosure provides systems and methods for characterizing the support volume in the de...
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Xiaoping Qian | P160236US01
Technology
Additive Manufacturing Process Continuous Reinforcement Fibers And High Fiber Volume Content
An additive printer dispenses filament having high volume content of axial reinforcing fibers impregnated with a partially cured thermoset material. Partial curing provides sufficient mechanical integ...
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Natalie Rudolph, Thomas Pfeifer, Thomas Laduch | P160257US01
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
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