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AssigneeRobert Bosch GmbH
InventorsChrysanthos Tzivanopoulos, Isaias Miguel Alejandro Santucho, Johannes Swoboda, Mathis Wolf, Thomas Barabas
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A voltage measurement method for an on-board power supply system (100) of a vehicle, wherein the on-board power supply system (100) comprises a battery pack (10) with a plurality of battery cells (2) and at least one sub-grid (20, 30) which can be coupled to the battery pack (10) via contactors (SH+, SH−, SL+, SL−). According to the invention, the voltage measurement method comprises the following method steps: In an initial calibration mode with open contactors (SH+, SH−, SL+, SL−): measurement of cell voltages (UZ) of the individual battery cells (2); calculation of a pack voltage (UP) of the battery pack (10) using the measured cell voltages (UZ); measurement of a pack voltage (UP) of the battery pack (10); calculation of a first correction factor for the pack voltage (UP) using the calculated pack voltage (UP) and the measured pack voltage (UP).
A voltage measurement method for an on-board power supply system (100) of a vehicle, the on-board power supply system (100) comprising a battery pack (10) with a plurality of battery cells (2) and at least one sub-grid (20, 30) which can be coupled to the battery pack (10) via contactors (SH+, SH−, SL+, SL−), the voltage measurement method comprising the following steps:
An on-board power supply system (100) for a vehicle, comprising a battery pack (10) with a plurality of battery cells (2), at least one sub-grid (20, 30) which can be coupled to the battery pack (10) via contactors (SH+, SH−, SL+, SL−), and a control unit configured to in an initial calibration mode with open contactors (SH+, SH−, SL+, SL−):
Dependencies are inferred from the claim text.