Motor vehicle having at least two drive motors and having an automatic transmission which has a fixed and a power split gear ratio
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United States of America Patent
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Sep 10, 2024
Grant Date -
Sep 14, 2023
app pub date -
Aug 6, 2021
filing date -
Aug 6, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A motor vehicle has at least two drive motors, at least one of which is an electric motor, a high-voltage accumulator, and an automatic transmission which has at least one fixed gear ratio and at least one power-split gear ratio for transmission ratio adjustment starting from the at least one fixed gear ratio. The motor vehicle includes an electronic control unit having a speed control module which can be activated during a change of transmission ratio. The speed control module is designed in such a way that a setpoint speed is calculated in advance, by which setpoint speed both the speed gradient and also the speed curvature can be limited, the target speed of the at least one drive motor being continuously compared with a maximum allowed speed gradient and with a maximum allowed speed curvature.
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