| 摘要 |
A roll control device includes at least one actuator having first and second chambers. A pump is in fluid communication with the first and second chambers and is configured to transfer fluid between them. A motor is connected to the pump and is in communication with a controller. The controller is configured to selectively command the motor to drive the pump in response to a roll signal and transfer fluid between the first and second chambers in a desired direction. A failsafe valve is arranged between the pump and first and second chambers in one example. The failsafe valve includes a first open position in which the first and second chambers are fluidly connected to one another and bypass the pump.
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