Landing gear feedback control system for an aircraft
A control system for an aircraft, the system including a pilot input device configured to receive a pilot input, a plurality of sensors, each of the plurality of sensors positioned on a corresponding landing gear of the aircraft and configured to sense a parameter on the corresponding landing gear, and a controller in communication with the plurality of sensors, the controller configured to calculate an output command based on the pilot input and the sensed parameters of the landing gear, the output command including instructions for controlling a rotor of the aircraft.
1. A control system for an aircraft, the control system comprising:
a pilot input device configured to receive a pilot input;
a first sensor positioned on a landing gear of the aircraft, the first sensor configured to sense a force on the landing gear; and
a controller in communication with the pilot input device and the first sensor, the controller configured to
receive the pilot input via the pilot input device,
receive a sensed force on the landing gear via the first sensor,
calculate an output command based at least on the pilot input and the force on the landing gear, wherein the controller calculates the output command by calculating a correction factor, wherein the pilot input and the sensed force on the landing gear are inputs used to calculate the correction factor, and
transmit the output command to control the aircraft,
wherein the controller determines the correction factor using a PID control mode when the aircraft is in a landed flight state.
2. The control system of claim 1 , wherein the controller calculates the output command by determining the moment of the landing gear based on the sensed force on the landing gear.
3. The control system of claim 1 , wherein the output command controls a rotor of the aircraft.
4. The control system of claim 1 , further comprising a second sensor positioned on the landing gear, the second sensor being a weight on wheels sensor.
5. The control system of claim 4 , wherein the controller is further configured to determine when the aircraft is in the landed flight state based on a signal received from the second sensor.
6. The control system of claim 1 , wherein the first sensor is active when the aircraft is in the landed flight state, and wherein the first sensor is inactive or zeroed-out when the aircraft is in an in-air flight state.
7. The control system of claim 1 , further comprising a second sensor positioned on a body of the aircraft, wherein the second sensor is configured to sense a parameter associated with an attitude of the aircraft.
8. The control system of claim 7 , wherein the controller is configured to calculate the output command based on the pilot input, the force on the landing gear, and the parameter sensed by the second sensor.
9. The control system of claim 8 , wherein the correction factor includes a first component and a second component, wherein the first component is calculated based on the force on the landing gear sensed by the first sensor, and wherein the second component is calculated based on the parameter sensed by the second sensor.
10. The control system of claim 1 , wherein the correction factor includes a first component and a second component, wherein the first component is calculated using the PID control mode, and wherein the second component is calculated using a PD control mode.
11. A method of controlling an aircraft, the method comprising:
receiving, by an electronic processor, a pilot input including a setpoint;
receiving, by the electronic processor, a first signal from a first sensor positioned on a landing gear of the aircraft;
calculating, by the electronic processor, a first correction factor wherein the setpoint and the first signal are inputs used to calculate the first correction factor;
determining, by the electronic processor, an output command based on the first correction factor, the output command including instructions for controlling the aircraft; and
transmitting, by the electronic processor, the output command to control the aircraft,
wherein, when the aircraft is in a landed flight state, determining the output command includes determining the output command using a PID control mode.
12. The method of claim 11 , wherein receiving the first signal from the first sensor includes receiving at least one of a force on the landing gear and a pressure on the landing gear.
13. The method of claim 11 , wherein the output command controls a rotor interface.
14. The method of claim 11 , wherein determining the output command includes determining the moment of the landing gear.
15. The method of claim 11 , further comprising receiving, by the electronic processor, a second signal from a second sensor positioned on a body of the aircraft, the second sensor configured to sense a parameter associated with an attitude of the aircraft, wherein the output command is further based on the signal from the second sensor.
16. A control system for an aircraft, the control system comprising:
a pilot input device configured to receive a pilot input;
a plurality of sensors, each of the plurality of sensors positioned on a corresponding landing gear of the aircraft and configured to sense a parameter on the corresponding landing gear; and
a controller in communication with the plurality of sensors, the controller configured to calculate an output command based on the pilot input and the sensed parameters of the landing gear, the output command including instructions for controlling a rotor of the aircraft,
wherein the controller calculates the output command by calculating a correction factor wherein the pilot input and the sensed parameters on the landing gear are inputs used to calculate the correction factor, and
wherein, when the aircraft is in a landed flight state, the controller is configured to determine the correction factor using a PID control mode.
17. The control system of claim 16 , wherein the controller calculates the output command by determining the moment of the landing gear based on the sensed parameters on the landing gear.