Browse Publications Technical Papers 2015-01-1575
2015-04-14

Development of Handling Performance Control for SPORT HYBRID SH-AWD 2015-01-1575

We have developed control logic for the Sport Hybrid system with Super Handling All-Wheel Drive (SPORT HYBRID SH-AWD), which can achieves a balance between high maneuverability and heightened fuel economy. The former is realized by effective torque vectoring using two motors capable of independent regeneration and driving the left and right rear wheels, and the latter is realized by the hybrid system. Taking advantage of the benefits of using motors enables effective torque vectoring that is highly responsive from low vehicle speeds regardless of the engine driving force. By means of a control technology that makes advantageous use of this system's characteristics, this approach did not just achieve a limitation of increased turning radius when accelerating in a turn, which has been the main torque vectoring effect realized to date. Rather, it was further able to achieve an “on-the-rail” feeling that is quick, linear, and highly stable to an extent that anyone could perceive in a variety of situations that are closer to what customers ordinarily encounter.

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