This application provides a motor control system and a vehicle, to reliably perform a three-phase active short circuit on a motor when a single-point power source fails. The motor control system includes a bus capacitor and a motor. The motor is connected ...

A motor drive device is provided which is able to reduce loss between a drive power source and a controller. The motor drive device (6) includes a plurality of motors (4), a single drive power source (7) which drives these motors (4), and a controller (8) ...

An electric driving wheel type work vehicle has a traveling motor 21, an inverter 313 for supplying the motor with three-phase power converted from DC power, a pre-driver circuit 312 for supplying a gate signal 316 to the inverter 313 on the basis of an in...

A drive system (10) for a vehicle trailer positioning drive is provided, comprising at least one motor unit (12) and a voltage source (18) for supplying the motor unit (12), wherein the motor unit (12) comprises a brushed electric motor (14) with motor sha...

An inverted vehicle control apparatus includes a plurality of driving wheels, a plurality of drive means each of which drives a respective one of the plurality of driving wheels, skid detection means for detecting a skid state between the driving wheels an...

A control device (200) for a motor drive system (100) including an AC motor (MG1) having a magnet in a rotor, a converter (120), and an inverter (130) generates a step-up command value for the converter (120) based on a torque command value for the AC moto...

Provided are a switching device for an electric vehicle and a method of controlling the switching device. The switching device includes a signal selection part, an inverter, and a controller. The signal selection part receives a first or second switching s...

A control device (30) for performing PWM control of an inverter (14) includes a synchronous PWM control circuit (304) for generating a control command for the inverter (14) by performing PWM control based on a comparison between a sinusoidal voltage comman...

An electric motor control apparatus suppressing power loss caused by driving an electric motor acting as a motor with a generated output of an electric motor acting as a generator. The electric motor control apparatus comprises a PAM controlled motor selec...

A polyphase alternating current is supplied from an inverter (22) to a plurality of coils (L1-L12) of a motor/generator (10, 11). A plurality of PWM signal generating circuits (26) respectively control the current supplied to the coils (L1-L12) such that t...