| 摘要 |
A method of operating a transmission device. At least one of the shift elements is a form-locking shift element. A sensor is associated with the form-locking shift element which can determine an operating state of the form-locking shift element. When a request to disengage the form-locking shift element occurs, a disengagement control signal is generated and the form-locking shift element is actuated in the direction of disengagement, depending on the disengagement control signal. The transmission device is transferred to a safe operating state in which the transmission output shaft can rotate, when an actuating pressure that changes the operating state of the form-locking shift element is determined with the sensor, even though a disengagement control signal was not generated, and/or when the sensor is associated with at least two form-locking shift elements and the form-locking shift elements are subjected to actuating pressure to implement a requested operating state change. |
| 主权项 |
1. A method of operating a transmission device (1) which is adjustable to various operating states by actuating shift elements (A to F), at least one of the shift elements (A, F) is a form-locking shift element which is adjusted, from an engaged operating state to a disengaged operating state, so as to implement a defined operating state of the transmission device (1) during which a power flow, between a transmission input shaft (2) and a transmission output shaft (3), is either present or interrupted, a sensor device (22) is associated with the form-locking shift element (A, F), an operating state of the form-locking shift element (A, F) is determinable by the sensor device and, if there is a request to disengage the form-locking shift element (A, F), a disengagement control signal (IF) is generated and the form-locking shift element (A, F) is actuated in a direction of disengagement, depending on the disengagement control signal (IF), the method comprising the steps of:
implementing a shift involving the form-locking shift element (A, F) from one gear to another in the transmission device (1); and transferring the transmission device (1) to a safe operating state in which at least the transmission output shaft (3) is rotatable relative to the input shaft (2), when at least one of:
an actuating pressure, which can change the operating state of the form-locking shift element, is determined in a region of the sensor device (22) even though a disengagement control signal (IF) was not generated, andthe sensor device (22) is associated with at least two form-locking shift elements (A, F) and the form-locking shift elements (A, F) are subjected to actuating pressure in order to implement a requested operating state change. |
