HYBRID DRIVE SYSTEM

A hybrid drive system includes first and second power supply devices (11 and 21) that supply direct-current power; first and second power storage devices (13 and 23) are respectively connected to the first and second power supply devices so as to accumulate or discharge the direct-current power; a…

HYBRID DRIVE SYSTEM

A hybrid drive system includes first and second power supply devices (11 and 21) supplying direct-current power, first and second power storage devices (13 and 23) respectively connected to the first and second power supply devices and accumulating or discharging direct-current power, a first load…

COMMUNICATION DEVICE

An S/N calculation circuit 12 to calculate the S/N ratio of a received signal, and an S/N comparison circuit 13 to compare the S/N calculated by the S/N calculation circuit 12 with a threshold Th are disposed, and a parameter setting circuit 14 controls the radiation state of a beam radiated from a…

BRAKE CONTROL DEVICE

A required brake force calculator (4) calculates a required brake force for each vehicle or carriage based on a load on the vehicle or carriage detected by a variable load detector (3) and a brake command acquired by a command acquirer (2). A target brake force calculator (5), based on the required…

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