Rivian IP Holdings, LLC

Vishnu Mohan

Younes Sangsefidi

Steven E Schulz

Yang Liu

Chia-Chou Yeh

Kang Wang

Zahra Mohajerani

Yanjun Shi

Mohammad Nanda Rahmana Marwali

Chou Yeh

Current sensor compensation is provided. A system can include a charger for an electric vehicle having one or more controllers. A controller can amplify an input signal at a selected frequency to generate a first signal. A controller can amplify a direct current component of the input signal to generate a second signal. A component of the charger can generate a reference signal for input into a current sensor of the charger. The reference signal can be based on a combination of the first signal and the second signal.

Current sensor compensation

Systems and methods for controlling a dual active bridge converter are disclosed herein. An output voltage of a dual active bridge converter is sensed. Based at least in part on the output voltage, a target intra-bridge phase shift amount between two bridges of the dual active bridge converter is computed. A plurality of switch control signals, which are provided to respective switches of the dual active bridge converter, are caused to switch according to a time-based switching sequence based on the target intra-bridge phase shift amount to compensate for variations in the output voltage.

Dual active bridge converter control with intra-bridge phase shift

Various disclosed embodiments include illustrative controller modules, direct current (DC) fast charging devices, and methods. In an illustrative embodiment, a controller module for a DC-DC converter includes a controller and computer-readable media configured to store computer-executable instructions configured to cause the controller to: receive an input voltage, an output voltage, and a requested power value. The computer-executable instructions are configured to cause the controller to: determine primary and secondary side inter-bridge phase shifts responsive to the requested power value, the input voltage, and the output voltage; determine an effective phase shift value responsive to the requested power value, the input voltage, the output voltage, and the primary side inter-bridge phase shift; generate control signals for switches of the DC-DC converter responsive to the primary side inter-bridge phase shift, the secondary side inter-bridge phase shift, and the effective phase shift value; and output the generated control signals.

Controllers, devices, and methods for directly controlling a dual active bridge converter

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Jersey City, NJ, United States of America

Vishnu Mohan