ACCELERATION MEASUREMENT DEVICE Russian patent published in 2011 - IPC G01P15/13 

FIELD: physics.

SUBSTANCE: acceleration measurement device has a detecting element, a torque sensor, negative and positive feedback, an angle sensor whose output is connected to the input of an amplifier, two differentiating elements in the positive feedback, voltage-to-current converters in the positive and negative feedback, phase detectors of the positive and negative feedback, a reference voltage generator whose outputs are connected to inputs of the angle sensor and phase detectors of the positive and negative feedback, as well as an adder. The device also includes differentiating elements from the output of the amplifier to the inputs of a second adder, where said differentiating elements have transfer functions W(s)=2·ζ₀·T₀·s and W(s)=T₀·s/2·ζ₀ (where s is a Laplace transform operator, T₀ is a time constant, ζ₀ is the relative damping factor) a positive feedback with differentiating elements and a negative feedback.

EFFECT: wider transmission band of the device and higher measurement accuracy.

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