Solar energy powered electric vehicle

Solid state chopper for controlling load current

Solid state motor control apparatus and method

Speed control for electrically propelled traction vehicles

Speed control system for an ac locomotive

Speed reducing control system for a polyphase electric motor

Spin/stall detector for an electrically propelled traction...

Stabilizing power source for a vehicle

Strategy to use an on-board navigation system for electric...

Structure for supporting trackway of a track following...

Superconducting magnetic levitated train, train system...

Superconductive magnetically levitated railway, and...

Supplemental plural motor wheel-slip control system

Support

System and method for actively limiting the power drawn from...

System and method for charging a vehicle

System and method for control scheduling

System and method for controlling an ac traction motor...

System and method for controlling and distributing...

System and method for cooling the power electronics of a...