Abstract
Special exciters are necessary to calibrate angular accelerometers, angular velocimeters and rotational angle transducers. This paper presents methods designed for the generation of low-frequency uniaxial rotational quantities. The operating principle, the construction and the technical characteristics of the rotational exciters are described. The air-borne rotational exciters (prototypes) allow sinusoidal angular vibrations in the frequency range from 0.5 to 1000 Hz to be generated. Another mode of operation is the excitation of sinusoidal vibrations by the rotation of the moving exciter part at constant angular velocity (up to 1500 rpm). Further operating modes are the excitation of acceleration shocks and other arbitrary rotational movements of interest for the dynamic investigation of rotation transducers.
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