A virtual driving system for efficiently testing an interlock operation is provided. The virtual driving system comprises an optical cable installed on a rail; a transport cart for driving in place on the rail and communicating with the optical cable; a first collision avoidance control unit set to correspond to a first virtual path of the transport cart; a second collision avoidance control unit set to correspond to a second virtual path different from the first virtual path of the transport cart; a signal line distribution unit for selectively connecting any one of the first collision avoidance control unit and the second collision avoidance control unit to the optical cable; and a simulator for controlling the first collision avoidance control unit, the second collision avoidance control unit, and the signal line distribution unit according to an operation scenario of the transport cart.

Disclosed are various embodiments for a trailer stacking device that makes use of multiple masts featuring support platforms that are capable of lifting and lowering a trailer vertically during trailer stacking operations.

Disclosed are various embodiments for a trailer stacking device that makes use of multiple masts featuring support platforms that are capable of lifting and lowering a trailer vertically during trailer stacking operations.

Provided is a system including a platform to receive unmanned air vehicles (UAVs) thereon for launching and retrieving the UAVs. The system can include a pair of gantry arms that move to any location along the platform to position a UAV as desired. The platform includes a door that can open to expose a storage area in the system to receive and store UAVs, as well as to re-charge power in the UAVs. The storage area can include a plurality of cells that can be adjusted to receive a UAV of any size for storage therein.

Provided is a system including a platform to receive unmanned air vehicles (UAVs) thereon for launching and retrieving the UAVs. The system can include a pair of gantry arms that move to any location along the platform to position a UAV as desired. The platform includes a door that can open to expose a storage area in the system to receive and store UAVs, as well as to re-charge power in the UAVs. The storage area can include a plurality of cells that can be adjusted to receive a UAV of any size for storage therein.

Provided is a system including a platform to receive unmanned air vehicles (UAVs) thereon for launching and retrieving the UAVs, and a method therefor. The system can include a pair of gantry arms that move to any location along the platform to position a UAV as desired. The platform includes a door that can open to expose a storage area in the system to receive and store UAVs, as well as to re-charge power in the UAVs. The storage area can include a plurality of cells that can be adjusted to receive a UAV of any size for storage therein.

Provided is a system including a platform to receive unmanned air vehicles (UAVs) thereon for launching and retrieving the UAVs, and a method therefor. The system can include a pair of gantry arms that move to any location along the platform to position a UAV as desired. The platform includes a door that can open to expose a storage area in the system to receive and store UAVs, as well as to re-charge power in the UAVs. The storage area can include a plurality of cells that can be adjusted to receive a UAV of any size for storage therein.

There is proposed a rail member [see: 102] comprising a resiliently flexible elongate substrate comprising first and second major surfaces, the member comprising at least one channel formation [see: 202] formed transversally relative to the longitudinal axis of the elongate substrate across at least one of the first or second major surfaces, according to a first embodiment, an insert [see: 304] is positioned between the first and second major surfaces; according to a second embodiment, an insert [see: 304] ex tends longitudinally along the member.

There is proposed a rail member [see: 102] comprising a resiliently flexible elongate substrate comprising first and second major surfaces, the member comprising at least one channel formation [see: 202] formed transversally relative to the longitudinal axis of the elongate substrate across at least one of the first or second major surfaces, according to a first embodiment, an insert [see: 304] is positioned between the first and second major surfaces; according to a second embodiment, an insert [see: 304] ex tends longitudinally along the member.

An STS crane (Ship-to Shore) includes a portal frame structure; a boom which has a portion extending on a ship's side as well as a portion extending on a quay side; a trolley moving along the boom; a hoisting mechanism which has a rope drum for hoisting ropes, whereby the hoisting ropes are routed from the rope drum through boom ends to the trolley; auxiliary trolleys which move along the boom on both sides of the trolley to support and/or tighten the hoisting ropes; and a folding joint on the boom portion extending on the ship's side for folding up the folding portion of the boom extending to the direction of the ship from the folding joint; whereby there are auxiliary trolley rails arranged for the auxiliary trolleys, these auxiliary trolley rails being separate from the trolley rails; and whereby the drive roping of the auxiliary trolleys is divided into two separate and independent drive ropings which have separate and independent drive mechanisms and which are on different sides of the folding joint on the boom.