METHOD FOR DIAGNOSING AN OPERATING STATUS OF A DRIVE DEVICE, AND DIAGNOSTIC DEVICE AND DRIVE SYSTEM
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Accused Products
Abstract
In a method for diagnosing an operating status of a drive device in a drive system of a motor vehicle having at least two drive devices configured as an electric machine and an internal combustion engine, and having at least one separating clutch which couples the drive devices in an adjustable way, setpoint rotational speeds of the drive devices are set to predetermined values and the operating status is determined from the resulting actual rotational speed of the one drive device.
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Citations
29 Claims
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1-15. -15. (canceled)
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16. A method for diagnosing an operating status of at least one drive device in a motor vehicle having two drive devices configured as an electric machine and an internal combustion engine, and at least one separating clutch configured to adjustably couple the two drive devices, the method comprising:
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setting setpoint rotational speeds of the two drive devices to predetermined setpoint values; and determining the operating status of the at least one drive device from the actual rotational speed of the at least one drive device. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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28. A diagnostic device for diagnosing an operating status of at least one drive device in a motor vehicle having two drive devices configured as an electric machine and an internal combustion engine, and at least one separating clutch configured to adjustably couple the two drive devices, the diagnostic comprising:
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means for setting setpoint rotational speeds of the two drive devices to predetermined setpoint values; and means for determining the operating status of the at least one drive device from the actual rotational speed of the at least one drive device.
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29. A drive system of a motor vehicle, comprising:
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two drive devices configured as an electric machine and an internal combustion engine; at least one separating clutch configured to adjustably couple the two drive devices; and a diagnostic device configured to diagnose an operating status of at least one of the two drive devices by; setting setpoint rotational speeds of the two drive devices to predetermined setpoint values; and determining the operating status of the at least one drive device from the actual rotational speed of the at least one drive device.
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Specification