Devising and introducing a procedure for measuring a dynamic stabilization error in weapon stabilizers
Information and controlling system
У статтi наведено варiанти перевiрки
серединної похибки стабiлизатора озброєння 2Е36 в умовах типової траси методом
кiнофотографування за допомогою кiнокамери з подальшою обробкою кiноплiвки i
виконання всiх операцiй в ручному режимi.
Наведено методику вимiрювання серединної
похибки цифрових стабiлизаторiв озброєння СВУ-500. Для забезпечення можливостi
визначення похибок стабiлiзацiї кожного
з комплектiв стабiлiзатора на пiдприємствi-виробнику i в умовах головного виробу замовника, без застосування типової
траси, була розроблена i впроваджена у
виробництво нова методика вимiрювання
динамiчної похибки стабiлiзацiї. Дана розробка проводилася з застосуванням методiв
математичного моделювання, що дозволило визначити точку подачi синусоїдального
сигналу в контур управлiння стабiлiзатора. Для експериментального пiдтвердження
отриманих результатiв моделювання були
проведенi випробування комплекту стабiлiзатора на технологiчному стендi i на реальнiй навчальнiй баштi, що додатково дозволило уточнити параметри синусоїдального
сигналу. Для проведення таких випробувань
була розроблена спецiальна програма алгоритмiчного забезпечення, яка була встановлена в додаток до основної програми на час
проведення випробувань у блок управлiння
стабiлiзатора. Проведенi подальшi випробування пiдтвердили правильнiсть результатiв математичного моделювання, що дозволило ввести перевiрки одного з основних
параметрiв стабiлiзацiї динамiчної похибки
стабiлiзацiї до складу приймально-здавальних випробувань кожного з комплектiв стабiлiзатора
Ключовi слова: стабiлiзатор, гiротахометр, вiбрацiйний гiроскоп, серединна
похибка стабiлiзацiї, динамiчна похибка
стабiлiзацiї
UDC 528.563
DOI: 10.15587/1729-4061.2020.196086
DEVISING AND
INTRODUCING A
PROCEDURE FOR
MEASURING A DYNAMIC
STABILIZATION ERROR IN
WEAPON STABILIZERS
O. Bezvesilna
Doctor of Technical Sciences, Professor, Honored Worker of
Science and Technology of Ukraine
Department of Instrument-Making
National Technical University of Ukraine “Igor Sikorsky Kyiv
Polytechnic Institute”
Peremohy blvd., 37, Kyiv, Ukraine, 03056
E-mail:
О. Petrenko
Head of Bureau*
Е-mail:
V. Halytskyi
Postgraduate Student
Department of Computerized Electrical Systems and
Technologies
National Aviation University
Kosmonavta Komarova ave., 1, Kyiv, Ukraine, 03058
Head of Department**
Е-mail:
M. Ilchenko
Lead Design Engineer*
Е-mail:
*Special Design Bureau**
**Pablic Joint Stock Company «Research-and-Production
association «Kyiv avtomatics plant»
Starokyivska str., 10, Kyiv, Ukraine, 03116
Received date 20.12.2019
Copyright © 2020, O. Bezvesilna, О. Petrenko, V. Halytskyi, M. Ilchenko
Accepted date 17.02.2020
This is an open access article under the CC BY license
Published date 29.02.2020
(http://creativecommons.org/licenses/by/4.0)
1. Introduction
Underlying practical determining of stabilization error in the stabilizers of light armored vehicles is the
procedure for determining the median error of the analog
two-planar 2Е36 stabilizers, which was developed in the
1980s for the BMP2 product. According to the inspection
technique, a stabilization error of the stabilizer should not
exceed ±1 t. d. (one thousandth of a distance=3.6 angle.
min.) [2] in each guiding plane: horizontal (HG) or vertical (VG). According to this procedure, the inspection was
carried out for the customer’s product on a standard path
[3] at periodic tests for 2 stabilizers of serial production
once a year.
Following the development of analog SVU-500 and digital SVU-500-3C stabilizers the error of stabilization was
checked in line with the procedure and in terms similar to
the 2Е36 stabilizers. No other tests of stabilization accuracy
were carried out.
On the other hand, it is necessary to take into consideration that modern mobile objects move at significant speeds,
they are exposed to serious overloads and uncontrolled
mechanical disturbances. It is only natural that the requirements for measurement of accuracy, measuring instruments,
39
Eastern-European Journal of Enterprise Technologies ISSN 1729-3774
control over basic technical parameters of stabilizers are
especially relevant to improve the state’s defense capability.
2. Literature review and problem statement
Paper [1] reports the measurement of the median error
of stabilization of the 2Е36 analog stabilizers and those stabilizers that have similar circuitry and technical structure
by using video recording. It is shown that the process of
measuring the median error of stabilization using a video
and photo recording technique implies the involvement of
the entire product [2] under conditions of a standard route.
This procedure of processing results is rather time-consuming, routine, and takes a lot of time to calculate error in a
manual mode.
It is clear to us that the video and photo recording
technique was, at the time of its development, specifically
mid1980s, progressive and was enabled by a video camera,
which was fixed on a weapon unit. A video camera recorded a movement of the sight mark along the horizontal and
vertical guiding channels when the product moved along a
standard track.
The disadvantage of this procedure was the fact that the
tests involved only two sets of stabilizers once a year during
regular tests. The reason for this may be the objective difficulties associated with the complexity of the test. To reduce
the complexity, a variant of measuring the median error was
to use a device for measuring the median stabilization error
(Instrument PS) from a set of the 2Е26М stabilizer [3].
The instrument PS is an electronic measuring device that
is designed to determine the value of median error and the
percentage of time of the non-stabilized state of the 2Е26М
stabilizer in planes VG and HG.
The use of this device greatly facilitated the measurement of median error.
The difficulties of measuring the error of stabilization
were eliminated in the 2Е52 stabilizer [4], which was designed with new technical characteristics. The specifications
for the 2Е52 stabilizer included the requirements for checking the median and dynamic error [5] (as part of the main
product) of stabilization, which must not exceed 2 t. d. (as
of 1988) when processing the sinusoidal signal А=2,5°sinωt.
It should be noted that the 2Е36 and 2Е52 stabilizers
have different circuit-technical principles of construction.
The 2Е36 stabilizer is built on the principle of “force” stabilization, which implies:
– first, optical sighting devices are “rigidly” [6] connected to a weapon unit;
– second, the aiming of the weapon unit and turret is
performed directly by the operator or commander’s stabilizer controls. Under such a design principle, the aiming of
a turret or a weapon unit, with large masses and moments
of inertia, from an operator’s (or commander’s) control unit
results in significant errors.
In the 2Е52 stabilizer [6], the weapon unit and a sighting
device are executed on the principle of “independent” stabil (...truncated)
