Assist. Prof. Dr. Kerem Bayar

Mechanical Engineering Department
Middle East Technical University
B - 316
Tel: +90 312 210 5285
Email: kbayar@metu.edu.tr

Research Projects:

1) Model based brake actuated roll stability control

 

The objective of this research is development of new roll stability control algorithms, and testing these algorithms using vehicle dynamics simulators. The roll stability control feature, induces additional brake torque, at the top of the one (or reduces from the one) regulated by vehicle stability controller.

 

Prerequisities: CUM GPA >= 3.2
ME 442, ME 429, ME 511, ME 513, ME 507, ME 520, ME 461, ME462, ME 466
C programming and Matlab-Simulink Skills

 

 

2) Model based coordinated vehicle chassis control 

 

The objective of this research is developing new integrated vehicle chassis control algorithms, and testing them using vehicle dynamics simulators. Coordinated control of vehicle stability, and active suspension, will be studied.

 

Prerequisities: CUM GPA >= 3.2
ME 442, ME 429, ME 511, ME 513, ME 507, ME 520, ME 461, ME462, ME 466
C programming and Matlab-Simulink Skills





3) Continuation of the Tubitak 2232 International Fellowship for Outstanding Researchers

The objective of this research is

a) Developing new "Active Motor Damping" control strategies for hybrid and electric vehicles. These would aim damping the vibrations on the hybrid powertrain during ABS and ESC activation.

b) Establishing a hardware-in-the-loop (HIL) simulation set-up that would have all components of the brake system of a hybrid or electric vehicle within a vehicle dynamics simulation scheme in laboratory environment.

Prerequisities: CUM GPA >= 3.2
ME 442, ME 429, ME 511, ME 513, ME 507, ME 520, ME 461, ME462, ME 466
C programming and Matlab-Simulink Skills





4) Comparison of Different Vehicle State Estimation Algorithms

This project aims at comparing vehicle state estimation algorithms utilizing different sets of sensors; wheel speed sensors, accelerometer and GPS. The estimation algorithms will be analyzed and tested in real time using a production vehicle.

Prerequisities: CUM GPA >= 3.2
ME 442, ME 511, ME 513, ME 507, ME 461, ME462
C programming and Matlab-Simulink Skills



5) Validation of the Mathematical Tire Model Using the Data Collected from the Tire Test Rig

The tire test rig will be operated with the aim of validating the mathematical tire model. The outputs of the tire model will be compared with the experimental results obtained from the test rig. By means the tire model will be parametrized for different automobile tires.

Prerequisities: CUM GPA >= 3.2
ME 513, ME 413, ME 465
Lab VIEW, C programming

 

Assist. Prof. Dr. Kerem Bayar short bio

Teaching:

ME 466 Performance of Road Vehicles, Senior Level Technical Elective Course: Spring 2016, 2017 and 2018 Semesters
ME 465 Automotive Engineering. Senior Level Technical Elective Course: Fall 2017, 2018 and 2019 Semesters.
ME 210 Applied Math for Mechanical Engineers. Sophomore Level Must Course: Spring 2017 Semester
ME 202 Manufacturing Technologies. Sophomore Level Must Course: Fall 2016, Spring 2018, Spring 2019 Semesters.
ME 212 Principles of Production Engineering. Sophomore Level Must Course: Fall 2017, Fall 2018 and Spring 2020 Semesters.
ME 301 Theory of Machines 1: Junior Level Must Course: Fall 2019 Semester
ME 302 Theory of Machines 2: Junior Level Must Course: Spring 2020 Semester

Industry Experience:

2014-2015: Ford Stability Control group, Chassis Organization, Ford Motor Company, Dearborn, Michigan, USA.
2011-2014: Ford College Graduate Program, Ford Motor Company, Dearborn, Michigan, USA. Six months long rotations in five different groups:
1) Regenerative Braking Group in Chassis organization.
2) Vehicle Controls and Systems Engineering Group in Research and Advanced Engineering organization.
3) Electric Motor Controller group in Electrified Powertrain Engineering organization.
4) Michigan Assembly Plant.
5) Ford Stability Control Group in Chassis organization.

Educational Background:

2007-2011 : PhD, Mechanical Engineering Department, The Ohio State University. GPA: 3.86/4
Dissertation title: Development of a Vehicle Stability Control Strategy for a Hybrid Electric Vehicle Equipped With Axle Motors

2004-2006 : MS, Mechanical Engineering Department, Middle East Technical University. GPA: 3.92/4
Thesis title: Modeling of the Dynamics of Multi-Axle Steered Vehicles.

2000-2004 : BS, Mechanical Engineering Department, Middle East Technical University. GPA: 3.24/4

SCI Journal Publications

1 BAYAR, K. 2020 Performance Comparison of Electric-vehicle Drivetrain Architectures from a Vehicle Dynamics Perspective Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering, DOI: 10.1177/0954407019867491

2 BAYAR, K., WANG, J. and RIZZONI, G 2012 Development of a vehicle stability control strategy for a hybrid electric vehicle equipped with axle motors Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering DOI: 10.1177/0954407011433396.

3 BAYAR K., BIASINI R., ONORI S. and RIZZONI G. 2012 Modelling and control of a brake system for an extended range electric vehicle equipped with axle motors International Journal of Vehicle Design, DOI: 10.1504/IJVD.2012.047387.

4 BAYAR, K., and UNLUSOY, Y., S. 2008 Steering Strategies for Multi-Axle Vehicles, International Journal of Heavy Vehicle Systems, DOI: 10.1504/IJHVS.2008.022243.

Other Journal and Conference Publications

1 BAYAR, K., BUYUKER, B. Ç. 2021 Comparison of Different Active Suspension Architectures Equipped with Linear Electric Motors, IAVSD 2021, the 27th IAVSD Symposium on Dynamics of Vehicles on Roads and Tracks, St Petersburg, online session.

 

2 BAYAR, K. 2021 Shortening the Braking Distance of a Passenger Car through Coordinated Control of Brakes and Active Suspension. Mühendis ve Makina, cilt 62, sayı 703, s. 372-394, published by TMMOB, Union of Chambers of Turkish Engineers and Architects.

 

3 BAYAR, K. ve SADEGHI-KHANEGHAH, F. 2020 Optimal Sliding Mode Control Method for Active Suspension Control, International Federation of Automatic Control (IFAC) World Congress, online session, Berlin, July 2020.


4 BAYAR, K., MCGEE, R., YU, H., ve CROMBEZ, D., 2013 Regenerative Braking Control Enhancement for the Power Split Hybrid Architecture with the Utilization of Hardware-in-the-loop Simulations, SAE International Journal of Alternative Powertrains, DOI:10.4271/2013-01-1466.

5 BAYAR, K., BEZAIRE B, COLEY B, KRUCKENBERG J, SCHACHT E, MIDLAM-MOHLER S ve RIZZONI G. 2010 Design of an Extended-Range Electric Vehicle for the EcoCAR Challenge ASME 2010 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. No. DETC2010-28927, sayfa. 687-700; DOI:10.1115/DETC2010-28927.


6 BAYAR, K., ve ARNETT, M. 2008 Modeling and Testing of a Traction Control System Applied to the Challenge X Competition Vehicle, SAE All-Wheel Drive Vehicle Symposium, Agustos, 20-22, 2008, Ypsilanti, Michigan, Amerika Birlesik Devletleri.


7 BAYAR, K. 2018 Comparison of Different Electric Vehicle Drivetrain Architectures from a Vehicle Dynamics Standpoint [in TR] OTEKON 2018; 9th International Automotive Technologies Congress, 7-8 May, 2018, Bursa, Turkiye.


8 BAYAR, K., ve UNLUSOY, Y., S. 2006 Modeling of the Dynamics of Multi-Axle Steered Vehicles OTEKON 06; 3. Otomotiv Teknolojileri Kongresi, Haziran, 26-28, 2006, Bursa, Turkiye.