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"Electrical network optimization for electrically interconnected suspen" by Xiangjun Xia, Donghong Ning et al.

The electrically interconnected suspension (EIS) can control vehicles' multiple-degree of freedom dynamics by designing a proper electrical network that connects independent electromagnetic suspensions. However, developing an electrical network (EN) for passive EIS to deal with complicated vibration is challenging. This paper proposes an EN optimization methodology for the EIS and experimentally validates the effectiveness of the optimized ENs with a hardware-in-the-loop (HIL) platform. First, a half-car model with a passive EIS is built and analysed for the EN design. The candidate EN structures are identified with an innovative method, which can cover all possible layouts with pre-determined complexity. Then, the optimization procedure of the EIS EN structures is determined to achieve a satisfactory level of ride comfort and handling stability. Finally, the optimized parameters of ENs are obtained with the genetic algorithm. In the HIL tests, the optimised ENs are validated with ....

Decoupling Characteristics , Lectrically Interconnected Suspension , Quivalent Mechanical Characteristics , Echanical Hardware In The Loop , Structure Optimization ,

"Decoupling vibration control of a semi-active electrically interconnec" by Pengfei Liu, Minyi Zheng et al.

This paper proposes a novel decoupling vibration control method for the semi-active electrically interconnected suspension (EIS) and develops a mechanical hardware-in-the-loop (mHIL) test platform to verify the effectiveness of the method. Firstly, according to the decoupling characteristic of the interconnected electrical network, the half-car model is divided into vertical and roll ones, and their frequency response could show the capability of EIS on vibration control. Then, two H∞ state feedback controllers are designed based on the decoupled model to acquire the ideal force and torque for vertical and roll vibration control; the adjustment logics of the resistance control unit are proposed to track the ideal force and torque. Finally, the mHIL experiment platform is designed to validate the decoupling vibration control performance of the EIS system. In the experiment, the EIS can significantly improve the vehicle suspension's overall performance under sinusoidal and bump ro ....

Decoupling Control , Electrical Network , Lectrically Interconnected Suspension , Hardware In The Loop ,

"Optimization of electrically interconnected suspension for vibration c" by Zishan Gao, Xiangjun Xia et al.

This paper establishes a 7-degree-of-freedom full-vehicle suspension system with two 2-degree-of-freedom controllable electrically interconnected suspensions (EIS) to achieve the control effect of the entire vehicle. The motions between the sprung mass and unsprung masses are converted into electrical energy via the electromagnetic suspensions, and then the energy is electrically interconnected with the electrical network (EN). This research is based on the previous study of a 2-degree-of-freedom EIS system, which shows the vehicle performance at heave and roll is improved by controlling resistances in the EN. On this basis, this project utilizes the genetic algorithm (GA) and regards the parameters of variable resistors in EN as the optimizing targets. Based on the factors of vehicle comfort and suspension deflection limits, the 11 control objectives have been defined in order to achieve optimal performance through GA optimization. The final parameters of the resistors R e and R l in ....

Electrical Network , Lectrically Interconnected Suspension , Genetic Algorithms , Motion Sickness , Vibration Control ,