Search
Skip to Search Results- 1Beaton, Neil I.
- 1Boddez, Jason Bradley
- 1Boroomand, Arefeh
- 1Bowthorpe, Meaghan L
- 1Bullock, Dallin S
- 1Ebrahimi, Khashayar
-
Effects of Negative Valve Overlap on HCCI Combustion and its use in the Control of HCCI Combustion Timing
DownloadFall 2014
Homogeneous charge compression ignition (HCCI) combustion can produce higher efficiencies and lower emissions when compared to tradition spark or compression ignition engines. This study reports an experimental investigation into the effects of valve timings on HCCI combustion conditions. Using a...
-
Fall 2012
An experimental single cylinder engine with variable valve timing is used to study spark ignition and homogeneous charge compression ignition (HCCI). The discrete wavelet transform, on a single cylinder engine with a cam-phasing head, is used in real time for knock detection in HCCI. Classical...
-
Spring 2019
Homogeneous Charge Compression Ignition (HCCI) has the potential to significantly reduce oxides of nitrogen NOx emissions, while maintaining a high fuel efficiency compared to existing lean-burn spark ignition engines. HCCI is characterized by compression induced autoignition of a lean...
-
Spring 2016
A dual-fuel system is used to control HCCI combustion timing and load in a CFR engine. The systems steady-state response to iso-octane and n-heptane injected energy is investigated then a dynamic ARMAX model is found using system identification. This model is used to design a norm-optimal...
-
Fall 2016
Different model based control strategies are developed for combustion timing and load control in a single cylinder Homogeneous Charge Compression Ignition (HCCI) engine. In HCCI engines, a lean homogeneous air-fuel mixture auto-ignites due to compression and the resulting combustion occurs at...
-
Spring 2013
In this thesis, methods for improving needle steering during prostate brachytherapy are studied. Brachytherapy is a minimally-invasive, out-patient therapy for prostate cancer treatment with a fast recovery time. Success of brachytherapy depends on precise placement of needle tips in pre-planned...
-
Fall 2009
Homogeneous Charge Compression Ignition (HCCI) is a promising method for combustion engines to provide a substantial reduction in fuel consumption and formation of both nitrogen oxides and soot pollutants in automotive and stationary engines. Control of HCCI combustion timing is essential for the...
-
Needle Shape Visualization, Tracking and Steering Control for Permanent Prostate Brachytherapy Applications
DownloadFall 2016
Prostate cancer is one of the most prevalent types of cancers in North American males, afflicting one in eight men over the course of their lifetime. Fortunately, early-stage prostate cancer has a wide variety of treatment options. One such option, permanent prostate brachytherapy, has been...
-
Non-linear reparameterization of complex models with applications to a microalgal heterotrophic fed-batch bioreactor
DownloadSpring 2010
Good process control is often critical for the economic viability of large-scale production of several commercial products. In this work, the production of biodiesel from microalgae is investigated. Successful implementation of a model-based control strategy requires the identification of a model...