Method for controlling an electric drive of a vehicle

Details Method for controlling an electric drive of a vehicle Method for controlling an electric drive of a vehicle

1996-03-13

1998-01-13

Martin, David S.

Electricity: motive power systems

Constant motor current, load and/or torque control

318434, 318 52, 180197, 2461681, H02P 700

Patent

active

057083347

ABSTRACT:
A method for open-loop and closed-loop control of an electric drive of a vehicle, in particular of a rail vehicle, utilizes a frictional engagement between a wheel and a rail or an underlying surface, to a high degree. A control is carried out which takes into account a gradient of a characteristic frictional engagement line. The system operates with a substitute variable for the gradient, which can be detected by a technical measurement, and a set torque value which is prescribed by the operator being limited in such a way that a travel/braking mode is achieved at an optimum, prescribed operating point of the characteristic frictional engagement line.

REFERENCES:
patent: 4485443 (1984-11-01), Knodler et al.
patent: 4588932 (1986-05-01), Riondel
patent: 4615618 (1986-10-01), Bailey et al.
patent: 4818927 (1989-04-01), Hino et al.
patent: 4915328 (1990-04-01), Nakamoto
patent: 5267161 (1993-11-01), Kallenbach et al.

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