Method for diagnosing a transmission brake, control device, vehicle, computer program and computer-readable medium

A method for diagnosing a transmission brake (11, 21, 31, 41) of a gearbox (4) of a vehicle powertrain (3), the transmission brake being connected to and being configured to brake a first shaft (10, 20, 30) of the gearbox, is disclosed. The method comprises engaging a preselected system adding inert...

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Bibliographische Detailangaben
Hauptverfasser:	Häggström, Daniel, Norberg, Peer
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEASURING MECHANICAL ENGINEERING PHYSICS TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A method for diagnosing a transmission brake (11, 21, 31, 41) of a gearbox (4) of a vehicle powertrain (3), the transmission brake being connected to and being configured to brake a first shaft (10, 20, 30) of the gearbox, is disclosed. The method comprises engaging a preselected system adding inertia to the first shaft, if not already engaged. Thereafter, the first shaft is braked by means of the transmission brake and the deceleration if the first shaft during said braking is detected. The detected deceleration of the first shaft is compared to one or more threshold values for the deceleration of the first shaft, thereby determining the performance of the transmission brake. The disclosure further relates to a control device configured to perform the method, as well as a vehicle, a computer program and a computer-readable medium.