Design of A-DE Dynamic Control System for Automotive Air Suspension
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Abstract
The traditional automobile suspension system has certain limitations when dealing with different road conditions and driving conditions and cannot be flexibly adjusted to provide the best suspension performance and ride comfort. Therefore, this study uses adaptive differential evolution algorithm dynamic control system for automotive air suspension to improve the performance of the vehicle’s suspension. The system adopts adaptive differential evolution algorithm as the core control strategy to dynamically adjust the parameters and control strategy of the suspension system to adapt to different road conditions and driving conditions. The root-mean-square value of the vertical acceleration at the center of mass of the vehicle is reduced by 15.2% under the medium speed condition. The root-mean-square value of four-wheel suspension dynamic deflection is reduced by 8.46%. The root-mean-square value of the dynamic load of the four-wheel tire is only slightly increased by 0.47%. The root-mean-square value of the total weighted acceleration of the driver and the rear seat of the same side of the experimental vehicle after modification is in the range of 0.315-0.63. The application of adaptive differential evolution algorithm dynamic control system technology for automotive air suspension has promoted the development of automotive technology and provided a new control idea and method for automobile manufacturers and research institutions.
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