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Search Results - alex+huang
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Conductivity controlled bipolar power devices
Background Dr. Alex Q. Huang has developed a new power semiconductor technology, a Conductivity Controlled Bipolar Transistor (CCBT), with primary application in power electronic converters. Dr. Huang is the Dula D. Cockrell Centennial Chair in Engineering at the Department of Electrical and Computer Engineering and a professor at The University of...
Published: 7/12/2024
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Inventor(s):
Alex Huang
Keywords(s):
Category(s):
Computer > Power management systems
Bidirectional DC/AC topologies
BackgroundRecently, more and more power conversion applications, such as PV micro-inverters, battery storage systems, on-board EV chargers, etc., require isolated DC/AC power converters. The markets for these applications are rapidly growing. The conventional two-stage topology solutions have simple control, higher efficiency, and lower cost. However,...
Published: 12/8/2023
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Inventor(s):
Alex Huang
,
Qingyun Huang
Keywords(s):
Category(s):
Physical sciences > Semiconductor
Lateral power semiconductor switch
Background A majority of power devices are Si MOSFET or IGBT. Wide band gap (WBG) material based devices are posed to replace Si MOSFET and IGBT in the future. Silicon Carbide (SiC) and Gallium Nitride (GaN) are the two most matured materials, with SiC considered the more promising of the two. Today, SiC power MOSFET is made vertically; GaN is made...
Published: 12/8/2023
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Inventor(s):
Alex Huang
Keywords(s):
Category(s):
Physical sciences > Semiconductor
Novel AC-AC converter
BackgroundThe 60Hz transformer has been around for more than 100 years. It does one job, convert one AC voltage to another. Using power electronic AC/AC converter to replace this has the potential advantage of lower size and more functionalities. However, today there is a short coming in the AC/AC converter topology/circuit. This invention intends to...
Published: 12/8/2023
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Inventor(s):
Alex Huang
Keywords(s):
Category(s):
Physical sciences > Semiconductor
Step-down DC/DC converter
Background The 48V power architecture is one of the more recently introduced architecture to improve computer power supply efficiency. However, conversion from 48V to 12V or down to ~1V needed by the CPU is a grand challenge. Efficiency and footprint are the key drivers as the converter is placed on the motherboard. Previous methods include Buck, Switch...
Published: 7/12/2024
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Inventor(s):
Alex Huang
,
Qingyun Huang
Keywords(s):
Category(s):
Physical sciences > Semiconductor
Processing Technique for Ceramic- based Energy Conversion and Storage Devices
Due to rising carbon emissions, extreme weather events and other environmental threats, the demand for alternative energy sources is greater than ever. Therefore, businesses and communities are asking for three things: more affordable electricity, more resilient power, and cleaner energy. Fuel cells, electrolysis cells, membrane reactors, and solid-state...
Published: 10/8/2024
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Inventor(s):
Hai Xiao
,
Jianhua Tong
,
Fei Peng
,
Kyle Brinkman
,
Jincheng Lei
,
Yuzhe Hong
,
Hua Huang
,
Shenglong Mu
,
Rajendra Bordia
Keywords(s):
Category(s):
Manufacturing
Automated Pain Detection in Pediatric Care
uot;Times New Roman",serif; font-size:12pt">Unmet Need: Continuous pain assessment in infants Continuing advances in intensive care have made it possible for premature infants to survive outside the uterus in Neonatal Intensive Care Unit (NICU) even at very early stages of development. Infants in the NICU may receive an estimated 10-14 painful...
Published: 10/8/2024
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Inventor(s):
Subhanshu Gupta
,
Huan Hu
,
Martin Schiavenato
Keywords(s):
Category(s):
Technologies > Health & Well-being > Health-IT
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Technologies > Health & Well-being > Medical Devices
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Technologies > Energy & Environment > Computer Hardware/Software
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Technologies > Energy & Environment > Electrical/Electronics