Method for Controlling a Hydrostatic Drive
AssigneeRobert Bosch GmbH
InventorsXiming Wang, Salih Tetik, Lukas Linder
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AssigneeRobert Bosch GmbH
InventorsXiming Wang, Salih Tetik, Lukas Linder
Estimating the term…
A method for controlling a drive, which has a first hydraulic machine coupled to a drive machine and a second hydraulic machine coupled to an output to change one of the hydraulic machines from a pump operation to a motor operation and the other of the hydraulic machines from a motor operation to a pump operation includes controlling the pivoting angle of the other hydraulic machine so that the pivoting angle goes from a positive start pivoting angle to a negative target pivoting angle or from a negative start pivoting angle to a positive target pivoting angle. The control of the pivoting angle of the other hydraulic machine between the start pivoting angle and the target pivoting angle is limited such that the pivoting speed of the pivoting angle of the second hydraulic machine does not exceed a predefined value.
1-8. (canceled)
A method for controlling a drive, which has at least two hydraulic machines, to change one of the hydraulic machines from pump operation to motor operation and to change the other of the hydraulic machines from motor operation to pump operation, the two hydraulic machines including a first hydraulic machine is configured to couple to a drive machine and a second hydraulic machine is configured to couple to an output, the two hydraulic machines being fluidically connected to one another via a working line and being connected to a pressure medium sink, each of the first and second hydraulic machines having a displacement volume that is adjustable to zero and to values left and right of zero, said hydraulic machines each having, for adjustment purposes, an electrohydraulic adjustment unit that is connectable to the working line and to the pressure medium sink, the method comprising:
The method according to claim 1, wherein the limiting of the pivoting speed of the pivoting angle of the other hydraulic machine is performed between the start pivoting angle and the target pivoting angle by limiting a torque specification of the other hydraulic machine.
Dependencies are inferred from the claim text.