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3D Soundscaping

Researchers at WSU have developed a 3D Soundscaping technology that enables one to take sound measurements to a new level by locating sound sources, visualize their resultant sound pressure fields in 3D space. In traditional sound sensing applications, sound is measured using microphones and sound pressure levels and spectra are measured at survey locations....

Published: 2/6/2014 | Inventor(s): Sean Wu

Keywords(s): Noise, Sound

Category(s): Acoustics, Electronics, Other, Physical Sciences, Sensors, Software, Imaging

Simultaneous Ion Sensing and Gas sampling in Combustion Engine Cylinders and Other Combustion Systems

Through the investigation of the sources of ionization in internal combustion engines, Wayne State University researchers have developed an invention to measure both ionization and gas sampling. Measurement of species such as NO, CO and CO2 produced in the combustion chamber throughout the engine cycle help to understand combustion behavior at...

Published: 3/31/2014 | Inventor(s): Naiem Henein, Tamer Badawy, Fadi Estefanous

Keywords(s):

Category(s): Electronics, Automotive & Transportation, Physical Sciences, Powertrain, Sensors, Other

Ultra-Sensitive Piezoresistive Accelerometer Based on Decoupled Piezoresistors

Ultra-sensitive piezoresistive accelerometer that has advantages over traditional piezoresistive accelerometers in both the sensitivity and minimum detectable acceleration.Wayne State University researchers have developed an ultra-sensitive piezoresistive accelerometer that has advantages over traditional piezoresistive accelerometers in both the sensitivity...

Published: 2/6/2014 | Inventor(s): Yong Xu, Zhou Wang

Keywords(s): Military, Sound_monitoring

Category(s): Electronics, Other, Physical Sciences, Sensors

Fuel Injector to Work as an Ionization Sensor and as an Injection Signal Detector in Electronically Controlled Fuel Injection Systems in Diesel and Direct Injection Gasoline Engines

Wayne State researchers have created an invention which uses one element in the engine, the fuel injector, to perform four tasks, injecting fuel, acting as an injection pulse detector, operating as a fuel injector malfunction detector and working as an ion sensor without modifying the fuel injector. Internal combustion engine control has become more...

Published: 2/6/2014 | Inventor(s): Fadi Estefanous

Keywords(s):

Category(s): Electronics, Automotive & Transportation, Physical Sciences, Powertrain, Sensors, Other