A cargo container loading and unloading system for a transportation system, the cargo container loading and unloading system including a loading zone; and at least one opening connecting the loading zone to a transportation tube of the transportation system.

A cable transportation system without a hauling cable and comprising: a plurality of transporting units; two supporting cables for supporting the transporting units in a suspended configuration; a plurality of trolleys, wherein each trolley supports a transporting unit in a suspended configuration and comprises rolls configured for resting and rolling on the supporting cables and at least one electric motor configured for moving the trolley along the supporting cables.

A transport system comprising linear motor modules utilized both straight and curved track modules, with movers displaced on the track modules by control of power applied to coils of the modules. Curved track modules have modified spline geometries to provide desired acceleration and jerk characteristics. The modified spline geometries may be defined by more than one generators, such as an equation generator and a spline fit between the equation-generated segment and one or more constrained points or locations. The curved track modules may be divided into 180 degree modules, or may be reduced to 90 degree, 45 degree or other fractional arcs to provide for modular assembly, mirror-image geometries and motion profiles, and the like. The system may be adapted to provide improved motion characteristics based on modification of a conventional spline geometry.

A high-speed transportation system, the system including at least one transportation path having at least one track, at least one transportation vehicle configured for travel along the at least one transportation path, a propulsion system adapted to propel the at least one transportation vehicle along the at least one transportation path; and a levitation system adapted to levitate the transportation vehicle along the at least one transportation path. The at least one transportation vehicle additionally comprises wheels for at least intermittently supporting the transportation vehicle on the at least one track.

A current collector monitoring system in one aspect of the present disclosure is provided with: a collected current measurement unit; a collected current state determination unit; an image acquisition unit; an event recognition unit; an event determination unit; and a determination result output unit. When a state of collected current corresponds to an abnormal state, the image acquisition unit acquires an image including, within an angle of view, a collector shoe provided to a current collector.

To provide a semiconductor device signal transmission circuit for drive-control, a method of controlling a semiconductor device signal transmission circuit for drive-control, a semiconductor device, a power conversion device, and an electric system for a railway vehicle capable of preventing malfunction due to noise while speeding up or reducing loss of a switching operation. The semiconductor device signal transmission circuit for drive-control that is connected between a semiconductor device constituting an arm in a power conversion device and a drive circuit configured to drive the semiconductor device, including: an inductor; and an impedance circuit including a switch and connected in parallel with the inductor.

A semiconductor device of an embodiment includes a silicon carbide layer having a first plane and a second plane and includes a trench located on a first plane side and has a first region and a second region, a first silicon carbide region of an n-type, a second silicon carbide region of a p-type between the first silicon carbide region and the first plane, a third silicon carbide region of the n-type between the second silicon carbide region and the first plane, and a fourth silicon carbide region of the p-type between the second region and the first silicon carbide region; a gate electrode in the first region; a first electrode on the first plane side of the silicon carbide layer, a part of the first electrode is located in the second region and is in contact with the third and the fourth silicon carbide region; and a second electrode.

A system includes a phase break input unit, one or more vehicle location detectors, and one or more processors. The phase break input unit is configured to obtain phase break location information indicating a location of a phase break along a route to be traversed by a vehicle. The one or more vehicle location detectors are configured to obtain vehicle location information indicating at least one of location of the vehicle or movement of the vehicle. The one or more processors are configured to determine an estimated arrival time of the vehicle at the phase break using the phase brake location information and the vehicle location information, and send a phase break control signal to a control system of the vehicle responsive to the estimated arrival time satisfying a threshold.

A voltage supply device includes at least one intermediate circuit that has at least one intermediate circuit capacitor, at least one power converter, wherein the power converter is connected to the connections of the intermediate circuit such that the power converter can be supplied with electrical energy from the intermediate circuit capacitor, and includes at least one braking chopper that is connected to the connections of the intermediate circuit capacitor such that electrical energy from the intermediate circuit capacitor can be converted into thermal energy by the braking chopper, where the power converter is equipped with at least one semiconductor switch that is clocked at a higher rate, in particular based on SiC, while the braking chopper is equipped with at least one semiconductor switch that is clocked at a lower rate, in particular based on Si.

For a long stator linear motor comprising a switch and secure guidance of the transport vehicles in the direction of movement along the transport track, it is provided that the transport vehicle (Tn) is force-guided, at least in sections, in the direction of movement (x) outside the switch (W), and at least one one-sided track section (2d) is provided on the transport track (2), along which a vehicle guide element (7) only on one side of the transport track (2) interacts with the track guide element (6) on the assigned side of the transport track (2) for the mechanical forced guidance in the direction of movement (x), and the forced guidance in the direction of movement (x) in the transverse direction (y) is canceled in the region of the switch (W).