Kinematic Discrepancy Minimization for AWD Terrain Vehicle Dynamics Control Lawrence Technological Univ

Format:

Conference/Event

Author/Creator:

Vantsevich, Vantsevich, author.

Contributor:

Augsburg, Klaus

Ivanov, Valentin

Shyrokau, Barys

Conference Name:

SAE 2010 Commercial Vehicle Engineering Congress (2010-10-05 : Chicago, Illinois, United States)

Language:

English

Physical Description:

1 online resource

Place of Publication:

Warrendale, PA SAE International 2010

Summary:

Stability of motion, turnability, mobility and fuel consumption of all-wheel drive terrain vehicles strongly depends on engine power distribution among the front and rear driving axles and then between the left and right wheels of each axle. This paper considers kinematic discrepancy, which characterizes the difference of the theoretical velocities of the front and rear wheels, as the main factor that influences power distribution among the driving axles/wheels of vehicles with positively locked front and rear axles. The paper presents a new algorithm which enables minimization of the kinematic discrepancy factor for the improvement of AWD terrain vehicle dynamics while keeping up with minimal power losses for tire slip. Three control modes associated with gear ratio control of the front and rear driving axles are derived to provide the required change in kinematic discrepancy. Computer simulation results are presented for different scenarios of terrain and road conditions. The effectiveness of the proposed control algorithm was analytically proved by modeling the same vehicle with no kinematic discrepancy control

Notes:

Vendor supplied data

Publisher Number:

2010-01-1895

Access Restriction:

Restricted for use by site license