Paul Ragaller

Real-Time Engine and Aftertreatment System Control Using Fast Response Particulate Filter Sensors

James E. Parks, John M. E. Storey, Alexander Sappok, 2016 .

On-Board Particulate Filter Failure Prevention and Failure Diagnostics Using Radio Frequency Sensing

James E. Parks, John M. E. Storey, Alexander Sappok, 2017 .

Continuous Particulate Filter State of Health Monitoring Using Radio Frequency Sensing

James E. Parks, John M. E. Storey, Alexander Sappok, 2018 .

Direct Measurement of Aftertreatment System Stored Water Levels for Improved Dew Point Management Using Radio Frequency Sensing

Alexander Sappok, Leslie Bromberg, Paul Ragaller, 2019, SAE Technical Paper Series.

Particulate Filter Soot Load Measurements using Radio Frequency Sensors and Potential for Improved Filter Management

Alexander Sappok, Leslie Bromberg, Paul Ragaller, 2016 .

Advanced RF Particulate Filter Sensing and Controls for Efficient Aftertreatment Management and Reduced Fuel Consumption

Harsha Nanjundaswamy, Erik Koehler, Alexander Sappok, 2015 .