Arrangement and a process for controlling a starting device of a

Details Arrangement and a process for controlling a starting device of a Arrangement and a process for controlling a starting device of a

1994-08-10

1996-02-13

Teska, Kevin J.

Boots, shoes, and leggings

477176, 477 15, 477 20, 477 69, 3644241, 74565, 747331, 192 33, G06F 1900

Patent

active

054916356

ABSTRACT:
A starting operation for a vehicle is carried out in two phases, specifically in a first phase, the input rotational speed is led to a desired rotational speed, and in a following second phase, a rotational speed difference signal formed from the difference between the input rotational speed and the output rotational speed is led to the zero value according to a predetermined desired course. The first phase begins when the starting device is not completely closed and the position of the power control element is below a limit value. The desired rotational speed is first determined as a function of the position of the power control element, the time variation of the position, and a signal describing the driver's driving style. With the determined desired rotational speed, a desired curve of a control signal for an actuator of the starting device is then determined in such a manner that, in the case of the actual position of the power control element, this desired rotational speed is definitely reached. The second phase of the starting operation begins when the input rotational speed signal has approximately reached the desired rotational speed or when a predetermined driving speed is reached. A rotational speed difference signal, that is, the slip existing in the starting device, is led toward zero according to a desired curve. The thermal stress to the clutch is used for influencing the starting operation in that the desired rotational speed is determined as a function of this stress.

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patent: 5176234 (1993-01-01), Reik et al.
patent: 5395293 (1995-03-01), Matsuura et al.

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