Autonomous vehicles including ladders and related methods

1. A system comprising:

an autonomous vehicle including an integrated ladder;

machine-readable instructions; and

at least one processor circuit to be programmed by the machine-readable instructions to:

detect a state of the ladder as being in one of a stowed state, a deployed state, or a use state;

in response to detecting that the ladder is in the stowed state, cause the autonomous vehicle to operate in a first drive mode and a second drive mode;

in response to detecting that the ladder is in the deployed state, cause the autonomous vehicle to operate in the second drive mode and to restrict from operating in the first drive mode; and

in response to detecting that the ladder is in the use state, cause the autonomous vehicle to refrain from operating in the first drive mode and the second drive mode.

2. The system of claim 1 , wherein the ladder is carried by a frame of the autonomous vehicle.

3. The system of claim 1 , wherein the first drive mode is an autonomous drive mode and the second drive mode is a manual mode.

4. The system of claim 1 , wherein one or more of the at least one processor circuit is to:

determine a position of the autonomous vehicle relative to a location of an object to be retrieved; and

generate, based on the location of the autonomous vehicle, an instruction to cause a lock to move from a locked state to an unlocked state to enable the ladder to move from the stowed state to the deployed state.

5. The system of claim 4 , wherein the autonomous vehicle is a first autonomous vehicle, the position is a first position of the first autonomous vehicle relative to the object, and one or more of the at least one processor circuit is to:

detect a change in position of the first autonomous vehicle from the first position to a second position relative to the location of the object to be retrieved, the change in response to the first autonomous vehicle operating in the second drive mode; and

instruct a second autonomous vehicle to move to the second position relative to the location.

6. The system of claim 4 , wherein the object is a first object and the position is a first position of the autonomous vehicle relative to the first object and one or more of the at least one processor circuit is to:

detect a change in position of the autonomous vehicle from the first position to a second position relative to the location of the first object, the change in response to the autonomous vehicle operating in the second drive mode; and

instruct the autonomous vehicle to move to a third position relative to a location of a second object based on the second position of the autonomous vehicle relative to the location of the first object.

7. The system of claim 1 , further including a sensor, wherein one or more of the at least one processor circuit is to detect that the ladder is in the use state based on one or more signals output by the sensor, the one or more signals indicative of a change of weight on the ladder.

8. The system of claim 7 , wherein the sensor is coupled to at least one of a frame of the autonomous vehicle or the ladder.

9. The system of claim 1 , wherein one or more of the at least one processor circuit is to:

detect that the ladder has moved from the deployed state to the stowed state; and

in response to the detecting that the ladder has moved from the deployed state to the stowed state, generate an instruction to cause the autonomous vehicle to operate in the first drive mode and the second drive mode.

10. An autonomous vehicle comprising:

an integrated ladder;

one or more sensors;

a braking mechanism coupled to the one or more sensors, wherein the braking mechanism engages when the ladder is in a use state;

machine-readable instructions; and

at least one processor circuit to be programmed by the machine-readable instructions to:

detect, based on outputs of the one or more sensors, a state of the ladder as being in one of a stowed state, a deployed state, or the use state;

in response to detecting that the ladder is in the stowed state, cause the autonomous vehicle to operate in a first drive mode and a second drive mode;

in response to detecting that the ladder is in the deployed state, cause the autonomous vehicle to operate in the second drive mode and to restrict from operating in the first drive mode; and

in response to detecting that the ladder is in the use state, cause the autonomous vehicle to refrain from operating in the first drive mode and the second drive mode.

11. The autonomous vehicle of claim 10 , wherein,

the ladder is usable in the deployed state and

the autonomous vehicle further includes

a drive mechanism capable of operating in the first drive mode and the second drive mode, wherein the drive mechanism is restricted from operating in the first drive mode when the ladder is in the deployed state.

12. The autonomous vehicle of claim 11 , wherein the drive mechanism is restricted from operating in the first drive mode and the second drive mode when the ladder is in use.

13. The autonomous vehicle of claim 11 , wherein the first drive mode is an autonomous drive mode and the second drive mode is a manual mode.

14. The autonomous vehicle of claim 10 , wherein the one or more sensors includes a weight sensor.

15. The autonomous vehicle of claim 10 , wherein one or more of the at least one processor circuit is to:

determine a first position of the autonomous vehicle relative to a location of a first object to be retrieved;

detect a change in position of the autonomous vehicle from the first position to a second position relative to the location of the first object to be retrieved; and

instruct the autonomous vehicle to move to the second position relative to a location of a second object to be retrieved.

16. An autonomous vehicle comprising:

an integrated ladder;

one or more sensors;

a braking mechanism coupled to the one or more sensors, wherein the braking mechanism engages when the ladder is in a use state

machine-readable instructions; and

at least one processor circuit to be programmed by the machine-readable instructions to:

determine a first position of the autonomous vehicle relative to a location of a first object to be retrieved;

detect a change in position of the autonomous vehicle from the first position to a second position relative to the location of the first object to be retrieved;

associate the second position with a first user of the autonomous vehicle; and

instruct the autonomous vehicle to move to the second position relative to a location of a second object to be retrieved.

17. The autonomous vehicle of claim 16 , wherein one or more of the at least one processor circuit is to instruct the autonomous vehicle to move to the second position relative to the location of the first object to be retrieved when the autonomous vehicle is associated with a second user.

18. The autonomous vehicle of claim 17 , wherein one or more the at least one processor circuit is to:

detect a change in position of the autonomous vehicle from the second position to a third position relative to the location of the first object to be retrieved when the autonomous vehicle is associated with the second user; and

instruct the autonomous vehicle to move to the third position relative to the location of the first object when the autonomous vehicle is associated with the first user or a third user.

19. The autonomous vehicle of claim 17 , wherein one or more of the at least one processor circuit is to execute a neural network to determine a third position of the autonomous vehicle relative to a location of a third object to be retrieved.