Aerial navigation system

A method for operating an aerial navigation system to control aerial movement of a robotic device therein, the method comprising:

• providing four upright members supported by a ground and mounting top portions of the four upright members with four anchor points respectively at a substantially same height from the ground;
• providing an electric motor from a first set of four electric motors and a wire from a set of first wires to each of the four anchor points to operably support movement of a carrier device in a bounded horizontal plane defined by the four anchor points;
• suspending the robotic device from the carrier device using a second wire such that the robotic device is moveable within a volume defined by the set of first wires, the four upright members and the ground by a fifth electric motor provided at either of the robotic device or the carrier device;
• and
• synchronising operations of the first set of four electric motors at the four anchor points and the fifth electric motor at either of the robotic device or the carrier device to permit the robotic device to be moved from a current location to a target location within the volume.

A non-transitory computer readable medium having stored thereon computer-executable instructions which, when executed by a processor, cause the processor to:

• determine a current location of a robotic device within a volume;
• calculate a route between the current location of the robotic device and a target location based on depth related obstacle information output by a depth detecting sensor;
• compute parameters including a number of rotation steps (nrot), a direction of rotation (dir), and a speed of rotation (θ) for:
• a first set of four electric motors provided at four anchor points on four upright support members to move a carrier device moveably connected to the first set of four electric motors;
• and
• a fifth electric motor on either of the carrier device or a robotic device moveably connected to the carrier device;
• and
• move the robotic device from a current location to a target location within the volume by synchronising operations of the first set of electric motors provided at the four anchor points and the fifth electric motor on either of the carrier device or the robotic device based, at least in part, on the depth related obstacle information and the computed parameters for each of the electric motors.