Hyperloop continuous control
AssigneesSafran Landing Systems Canada Inc., Safran Landing Systems
InventorsAndrew Michael Ellis, Graeme Peter Arthur Klim, Thibaud Mazoue
Life of this patent
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Abstract
A disclosed controller is configured with logic that, when executed, performs actions to extend landing gear of a maglev vehicle. The actions include receiving a height control target value and transitioning between a standby control state and an active control state. The controller maintains the landing gear in a fixed position when the controller is in the standby control state, and the controller controls extension and retraction of the landing gear according to the height control target value when the controller is in the active control state.
Claims18
A controller for controlling a landing gear of a maglev vehicle, the controller configured with logic that, in response to execution by the controller, causes the controller to perform actions comprising:
- receiving a height control target value;
- and
- transitioning between a standby control state and an active control state, wherein the controller maintains the landing gear in a fixed position when the controller is in the standby control state, and the controller controls extension and retraction of the landing gear according to the height control target value when the controller is in the active control state,
- wherein the controller in the active control state performs actions comprising:
- receiving a first height control target value corresponding to a landing gear extended position;
- sensing a vehicle height;
- calculating an error, wherein the error corresponds to a difference between the sensed vehicle height and the received first height control target value;
- and
- at least one of extending and retracting the landing gear to reduce the error.
A maglev vehicle, comprising:
- a landing gear selectively moveable between an extended position and a retracted position;
- a sensor configured to sense a vehicle height;
- and
- a controller in operable communication with the landing gear and the sensor, the controller including one or more circuits programmed to receive a command corresponding to a height control target value and to transition between a standby control state and an active control state, wherein the controller maintains the landing gear in a fixed position when the controller is in the standby control state, and the controller in the active control state controls extension and retraction of the landing gear to reduce a difference between the sensed vehicle height and the height control target value,
- wherein the controller in the active control state performs actions comprising:
- receiving a first height control target value corresponding to a landing gear extended position;
- sensing a vehicle height;
- calculating an error, wherein the error corresponds to a difference between the sensed vehicle height and the received first height control target value;
- and
- at least one of extending and retracting the landing gear to reduce the error.
Dependencies are inferred from the claim text.