Tire Force Control and Tire Workload Maximization Method for Independent-four-wheel-drive Electric Vehicle

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  • 4輪独立駆動する電気自動車を想定したλ-Methodに基づくタイヤ力制御とタイヤ負荷率最大化
  • 4リン ドクリツ クドウ スル デンキ ジドウシャ オ ソウテイ シタ l-Method ニ モトズク タイヤリョク セイギョ ト タイヤ フカリツ サイタイカ

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<p>This paper considers an independent-four-wheel-drive EV to pursue the limit of maneuverability. An effective method of tire force control and maximization of tire workload by controlling slip ratio and tire slip angle is proposed. First, the vehicle model of an independent-four-wheel-drive EV is defined. Next, a simulation of the tire force control is conducted, which shows that the proposed method can maintain the tire workload at 1 for an arbitrary tire force direction. Finally, the effectiveness of the proposed method is verified by simulation and experimental validation using a real EV.</p>

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