Beshah Ayalew Publications and Presentations

Peer Reviewed Publications

  1. B. Ayalew, B.T. Kulakowksi (2006)," Cascade Tuning for the Nonlinear Position Control of an Electrohydraulic Actuator," In the Proceedings of the American Control Conference, June 14-16, 2006, Minneapolis, MN.
  2. B. Ayalew, B. T. Kulakowski, and K.W. Jablokow (2006), "Partial Feedback Linearizing Force Tracking Control: Implementation and Testing in Electrohydraulic Actuation", IEE Transactions on Control Theory and Applications (accepted, to appear)
  3. B. Ayalew and B. T. Kulakowksi (2005) "Modal Approximation of Distributed Dynamics for a Hydraulic Transmission Line with Pressure Input-Flow Rate Output Causality", Journal of Dynamic Systems, Measurement and Control, Vol.127, September 2005.
  4. B. Ayalew and B. T. Kulakowski (2005) "Decentralized Control of Interacting Electrohydraulic Actuators in Road Simulation", International Journal of Heavy Vehicle Systems, Vol. 12, No. 4., pp307-322.
  5. B. Ayalew and B. T. Kulakowksi (2005) "Modeling Supply and Return Line Dynamics for an Electrohydraulic Actuation System", Transactions of the Instrumentation, Systems and Automation (ISA) Society, Vol. 44, No. 3, July 2005.
  6. B. Ayalew and B. T. Kulakowski (2005) "Nonlinear Decentralized Position Control of Electrohydraulic Actuators in Road Simulation" Proceedings of the IMECE 2005: ASME International Mechanical Engineering Congress and Exposition, Nov. 5-11, Orlando, FL.
  7. B. Ayalew, B. T. Kulakowski, and K.W. Jablokow (2005) "A Near Input-Output Linearizing Force Tracking Controller for an Electrohydraulic Actuator", Proceedings of the IMECE 2005: ASME International Mechanical Engineering Congress and Exposition, Nov. 5-11, Orlando, FL.
  8. B. Ayalew, N. Yu, S. Muthiah, and B. T. Kulakwoksi (2004) "A Study of Combined Braking and Cornering Performance of a Transit Bus Using Validated Computer Simulation", Proceedings of the IMECE 2004:ASME International Mechanical Engineering Congress and RD & D Expo, Nov. 13-19, 2004, Anaheim, California.
  9. B. Ayalew and D. Streit (2003), "Traction Modeling Modifications in ADVISOR", Heavy Vehicle Systems, International Journal of Vehicle Design, Vol. 10, Nos.1/2, pp1-8.
  10. B. Ayalew, (2007) "Robustness to Friction Estimation for a Nonlinear Position Control of an Electrohydraulic Actuator", In the Proceedings of the American Control Conference, June, 2007 (submitted).

Other Papers, Presentations and Reports

  1. B. Ayalew and B. T. Kulakowski (2004) "Effects of Load Cross-Coupling on the Control of Electrohydraulic Actuators for Road Simulation", presented at the 7th Annual PTI Transportation Conference, University Park, PA
  2. S. Muthiah, N. Yu, B. Ayalew, and B. T. Kulakowski (2004) "The Effects of Road Friction Conditions and Center of Mass Location on the Braking and While Cornering Performance of a Transit Bus", presented at the 7th Annual PTI Transportation Conference, University Park, PA.
  3. J. Anstrom, D. Piccard, B. Thomas, B. Ayalew, R. Noss, D. Dudeck. G. Neal, M. Shaukat, and D. Streit (2001), "Penn State FutureTruck 2000 Design Report," in SAE Special Publication SP-1617 Future Truck 2000, pp 89-100, SAE, Warrendale, PA
  4. B. Ayalew and D. Streit (2001) "Three-Way Power Bus Modeling for a Series HEV", presented at the 1st GATE DOE/Industry/University Forum, Dearborn, MI
  5. B. Ayalew (2000), "Simulation of a Four-Wheel Drive Series Hybrid Electric Vehicle Power Train ", presented at the 15th Annual Graduate Exhibition, the Penn Stater Conference Center, University Park, PA
  6. J. Anstrom, B. Ayalew, B. Barthtolomew and D. Streit (1999) "FutureTruck 2000: Design of a Four-Wheel Drive Hybrid Electric Sport Utility Vehicle", presented at the 2nd Annual PTI Transportation Conference, University Park, PA.

Theses/Dissertation

  1. B. Ayalew, (2005), “Nonlinear Control of Multi-Actuator Electrohydraulic Systems Based on Feedback Linearization with Application to Road Simulators�, Ph.D. Thesis, Penn State University, University Park, PA. Advisor: Professor Bohdan T. Kulakowski
  2. B. Ayalew, (2000), “Series Hybrid Electric Vehicle Power Train Simulation Including a Three-Way Power Bus and Two-Axle Drive�,
    MS Thesis, Penn State University, University Park, PA. Advisor: Professor Donald A. Streit
Clemson University