Biological Systems Engineering

Seminar Archive Fall 2010

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BSysE-598 Coordinator: Dr. Shulin Chen

December 3, 2010; Friday, LJSmith 259 at 8:30 AM

Dr. Manoj Karkee, Assistant Professor, Biological Systems Engineering, WSU at Prosser will present:

"Modeling, Identification and Analysis of a Tractor and Towed Implement System"

Development and analysis of dynamic system models are essential to support model-based guidance controller development, which will help to reduce the development time and cost while improving the accuracy and robustness of the controller. Accurate vehicle models are also essential for real-time simulation and virtual prototyping, which have the potential of reducing vehicle development time and cost. In this work, three different tractor-and-single-axle-towed-implement models with varying degree of fidelity were developed to compare their responses with experimental responses. Field tests were carried out to collect input-output data for different maneuvering responses. The responses from all three models were similar at lower forward velocities and when the changes in the steering input were gentle. However, when the system was operated at higher forward velocities or a rapidly changing steering input was applied, only the dynamic model with tire relaxation length represented the system reasonably accurately. In the second part of this research, a sensitivity analysis method was used to identify the effect of system parameter uncertainty/variation on the system responses. Overall, the system was most sensitive to tire cornering stiffness and least sensitive to implement inertial parameters. Finally, a parameter identification method (PEM) was used to estimate uncertain model parameters. Accuracy of the model responses improved substantially when the model was simulated with the PEM estimated parameters.

November 29, 2010; Monday, LJSmith 263 at 10:00 AM

Gangsheng Wang, Ph.D. candidate final examination seminar:

"Parameterization and Uncertainty in Modeling of Soil Greenhouse Gas Emissions"


November 23, 2010; Tuesday, LJSmith 259 at 2:00 PM

Yubin Zheng, Masters candidate final examination seminar::

"Culture of Oleaginous Yeast Cryptococcus Curvatus for Biodiesel Feedstock with Hydrogen Fermentation Effluent"
November 19, 2010; Friday, LJSmith 259 at 2:00 PM

Nichole Uslar, Ph.D. candidate final examination seminar::

"Gaseous Emissions and Nutrient Fate Modeling in Dairy Operations"

November 19, 2010; Friday, LJSmith 259 at 8:30 AM

Oisik Das, Masters candidate final examination seminar::

"Effect of Pretreatment Conditions and the Use of Additives on the Yield and Properties of Products from the Augur Pyrolysis of Douglas Fir and Hybrid Poplar"
November 17, 2010; Wednesday, LJSmith 259 at 2:00PM

Mythreyi Chandoor, Masters candidate final examination seminar:

"Detailed Investigation of Natural Biodegradation Process of Lignocellulosic Biomass in Soil"
November 18, 2010; Thursday, LJSmith263 at 1:00PM

Xiaochen Yu, Masters candidate final examination seminar::

"Evaluation of Pretreatment Technologies for the Simultaneous Production of Lipids and Ethanol from Lignocellulosic materials"

November 12, 2010

Nicole Uslar, Ph.D. graduate student with Biological Systems Engineering will present:

"Gaseous Emissions and Nutrient Fate Modeling in Dairy Operations"
November 5, 2010

Mytrhreyi Chandoor, a Masters candidates with Biological Systems Engineering will present:

"Detailed Investigation of Natural Biodegradation Process of Lignocellulosic Biomass in Soil"

Xiaochen Yu, A Masters candidate with Biological Systems Engineering will present:

"Detailed Investigation of Natural Biodegradation Process of Lignocellulosic Biomass in Soil"

October 29, 2010

Jon Magnuson, Senior Research Scientist at Pacific Northwest National Laboratory (PNNL), will present:

"Algal Biofuels Related research at PNNL"

This seminar will provide a high level overview of applied and basic research related to algal biofuels at PNNL.  This will include a discussion of the National Alliance for Advance Biofuels and Bioproducts (NAABB) and PNNL’s role in this Department of Energy, Office of the Biomass Program (DOE-OBP) funded algal consortium.  Since the six teams in the NAABB cover broad cross-disciplinary areas, and PNNL is participating in all but one of those teams, the research discussed will span biology, chemistry, materials science, engineering and modeling.  Other algae related research will also be discussed.  This includes a new project supported by OBP to examine marine macroalgae as a biomass feedstock for coastal regions.  Also, DOE Office of Science funded research on the basic science of cyanobacteria will be presented.  There are too many activities to go into great depth on any particular project.  Rather, the purpose of this overview is to provide sufficient detail to the members of the audience so that they can decide if further discussions with the various scientists and engineers involved are of interest.

October 22, 2010

Michael Lakeman, Regional Director of Biofuels Strategy for the Boeing Company, will present:

"Sustainable Fuels for Aviation"
October 1, 2010

Shi-Shen Liaw and Jieni Lian, graduate students in the Department of Biological Systems Engineering, will present:

"Production, Separation, Hydrolysis and Fermentation of Pyrolytic Sugars to Produce Ethanol and Lipids"
September 25, 2010

Dr.Bin Yang, Assistant Professor at the Center for Bioproducts, Sciences & Engineering Laboratory at WSU-TriCities, will present:

"Overcoming the Recalcitrance of Cellulosic Biomass for Lower Cost Cellulosic Ethanol Production"
September 17, 2010

Ropesh Syalamadevi, Biological Systems Engineering Graduate Student, will present:

"Glass Transition Temperatue and Physiochemical Stabiltiy of Foods"

Seminars from previous semesters can be found in our seminar archive.


*Unless otherwise noted

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Dr. Shyam Sablani
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Manoj Karkee
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BSysE sends 25 Students to ASABE
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Field Day
New Faculty Members Lav R. Khot and Sindhuja Sankaran join BSysE. [more]
Dr. Sankaran & Dr. Khot



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