A super-sensitive metal object detection method for DD-coil-engaged wireless EV chargers by passive electromagnetic sensing

Article Engineering, Electrical & Electronic

Metal Object Detection by Monitoring Fifth-Order Harmonic Current of IPT System With Dual Frequency Tuning

Bo Long et al.

Summary: This letter proposes a method for detecting metal objects by monitoring the fifth-order harmonic current, and a dual-frequency tuning configuration is designed for efficient detection of metal objects.

IEEE TRANSACTIONS ON POWER ELECTRONICS (2022)

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Article Automation & Control Systems

Foreign object detection considering misalignment effect for wireless EV charging system

Songyan Niu et al.

Summary: This paper proposes a FOD strategy based on passive sensing coils that can automatically adapt to spatial misalignment and maintain high accuracy during the charging process.

ISA TRANSACTIONS (2022)

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Article Energy & Fuels

Optimized design of the detection coils for the metal foreign object detection system applied to wireless power transfer

Xueqing Luo et al.

Summary: In this paper, the importance of foreign object detection in wireless charging for electric vehicles is studied. The equivalent model is established, and the foreign object detection principle based on active detection coil is analyzed from the perspective of both the circuit and magnetic circuit. Through simulation comparison and analysis, an optimization scheme for metal foreign object detection coil is proposed, which effectively improves the detection accuracy.

ENERGY REPORTS (2022)

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Article Engineering, Multidisciplinary

Metal object detection for electric vehicle inductive power transfer systems based on hyperspectral imaging

Yong Tian et al.

Summary: A robust and time-saving metal object detection method based on hyperspectral imaging and support vector machine is proposed in this paper, achieving good generalization ability with very few training datasets. The method can detect very small-sized metal objects with a 100% object-based detection accuracy.

MEASUREMENT (2021)

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Article Engineering, Electrical & Electronic