RU2002113839A - METHOD FOR INCREASING THE ACCURACY OF TWO-DEGREE ROTARY VIBRATION GYROSCOPE - Google Patents

METHOD FOR INCREASING THE ACCURACY OF TWO-DEGREE ROTARY VIBRATION GYROSCOPE

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Publication number
RU2002113839A
RU2002113839A RU2002113839/28A RU2002113839A RU2002113839A RU 2002113839 A RU2002113839 A RU 2002113839A RU 2002113839/28 A RU2002113839/28 A RU 2002113839/28A RU 2002113839 A RU2002113839 A RU 2002113839A RU 2002113839 A RU2002113839 A RU 2002113839A
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Russia
Prior art keywords
drive
angular velocity
sensing element
rotary vibration
current value
Prior art date
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RU2002113839/28A
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Russian (ru)
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RU2210736C1 (en
Inventor
Валерий Викторович Савельев
Тать на Петровна Лукашкина
Татьяна Петровна Лукашкина
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Тульский государственный университет
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Priority to RU2002113839/28A priority Critical patent/RU2210736C1/en
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Publication of RU2210736C1 publication Critical patent/RU2210736C1/en
Publication of RU2002113839A publication Critical patent/RU2002113839A/en

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Claims (1)

Способ увеличения точности двухстепенного роторного вибрационного гироскопа, отличающийся тем что из электрического сигнала датчика угла чувствительного элемента по отношению к корпусу выделяется информация о угловой скорости привода, в соответствии с которой вычисляется чувствительность роторного вибрационного гироскопа соответствующая текущему значению угловой скорости привода по формулеA method of increasing the accuracy of a two-stage rotary vibration gyroscope, characterized in that information about the angular velocity of the drive is extracted from the electric signal of the angle sensor of the sensing element with respect to the housing, in accordance with which the sensitivity of the rotary vibrational gyroscope corresponding to the current value of the angular velocity of the drive is calculated by the formula
Figure 00000001
Figure 00000001
где
Figure 00000002
- текущее значение угловой скорости привода;
Where
Figure 00000002
- current value of the angular velocity of the drive;
ωд - круговая динамическая частота собственных недемпфированных колебаний,ω d - circular dynamic frequency of natural undamped oscillations,
Figure 00000003
Figure 00000003
к - угловая жесткость элементов подвеса чувствительного элемента;k is the angular stiffness of the suspension elements of the sensing element; А,В,С - моменты инерции чувствительного элемента относительно осей подвеса;A, B, C - moments of inertia of the sensing element relative to the suspension axes; ξ - степень затухания собственных колебаний чувствительного элемента,ξ is the degree of attenuation of the natural oscillations of the sensitive element,
Figure 00000004
Figure 00000004
b - коэффициент демпфирования;b is the damping coefficient;
Figure 00000005
Figure 00000005
вычисляется отношение выходного сигнала чувствительного элемента к чувствительности роторного вибрационного гироскопа, соответствующей текущему значению угловой скорости привода, при этом результат деления поступает в измерительную цепь.the ratio of the output signal of the sensing element to the sensitivity of the rotary vibration gyroscope corresponding to the current value of the angular velocity of the drive is calculated, while the division result is sent to the measuring circuit.
RU2002113839/28A 2002-05-27 2002-05-27 Procedure measuring angular velocity by single-degree-of- freedom rotor vibratory gyroscope RU2210736C1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2002113839/28A RU2210736C1 (en) 2002-05-27 2002-05-27 Procedure measuring angular velocity by single-degree-of- freedom rotor vibratory gyroscope

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Application Number Priority Date Filing Date Title
RU2002113839/28A RU2210736C1 (en) 2002-05-27 2002-05-27 Procedure measuring angular velocity by single-degree-of- freedom rotor vibratory gyroscope

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RU2210736C1 RU2210736C1 (en) 2003-08-20
RU2002113839A true RU2002113839A (en) 2004-03-20

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RU2210736C1 (en) 2003-08-20

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Effective date: 20040528