Method and apparatus for controlling load of dynamometer

Details Method and apparatus for controlling load of dynamometer Method and apparatus for controlling load of dynamometer

1978-10-30

1981-03-24

Ruehl, Charles A.

Measuring and testing

Brake testing

Single wheel rotating and resistance measuring means

G01L 322

Patent

active

042572614

ABSTRACT:
A method and apparatus for controlling the load of a dynamometer. While the dynamometer is driven or coasted with a plurality of armature currents properly selected between -100% and +100% of the rated armature current, each time value it takes the dynamometer speed to vary from one preset speed level to the next preset speed level is measured and converted into a load value which is then stored together with the corresponding dynamometer speed and armature current values. Proper load, speed and current values are read out in accordance with a given targeted load and dynamometer speed for calculation of a targeted control current corresponding to the targeted control load using interpolation.

REFERENCES:
patent: 2785367 (1957-03-01), Roman et al.
patent: 3581561 (1971-06-01), Tomashek
patent: 3657922 (1972-04-01), Sibevd

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