Concern Central Scientific and Research Institute Elektropribor

Ul’yanovka, Russia

Concern Central Scientific and Research Institute Elektropribor

Ul’yanovka, Russia
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Kolesov N.V.,Saint Petersburg State University of Information Technologies, Mechanics and Optics | Gruzlikov A.M.,Concern Central Scientific and Research Institute ELEKTROPRIBOR | Lukoyanov E.V.,Saint Petersburg State University of Information Technologies, Mechanics and Optics
Procedia Computer Science | Year: 2017

Within a fuzzy approach, a method for dynamic systems diagnosis is proposed, based on the use of bank of interacting state observers. It is also analyzed whether interval observers can be applied for the diagnosis as well. Synthesis procedures for which both Hurwitz and Metzler conditions are satisfied are considered for them. © 2017 The Authors.


Binder Y.,Concern Central Scientific and Research Institute Elektropribor | Litmanovich Y.,Concern Central Scientific and Research Institute Elektropribor | Paderina T.,Concern Central Scientific and Research Institute Elektropribor
2016 DGON Inertial Sensors and Systems, ISS 2016 - Proceedings | Year: 2016

This paper presents the approach to eliminate the motion induced disturbances while the attitude determination for the purpose of dead-reckoning navigation that is alternative to the conventional one when an AHRS is used. The key point of the approach called 'indirectly correctable pendulum' (ICP) is to use the raw accelerometer data and to account for the motion acceleration in the position components using the log data without differentiation. It is shown that in the case of 'flat' motion the total compensation can be achieved applying the quadratic corrective term based on the log data, in the case of 3D motion additionally the inertial support should be provided. Two examples of 3D applications are examined: 1) when the positional gyros (ESG) are used the dead-reckoning can be provided with only one polar gyro and no loss in accuracy against two-gyro AHRS. 2) when 3-axes magnetometer is used for magnetic navigation the tilt errors caused by the motion acceleration can be cancelled without using AHRS. Based on the obtained results the general concept is stated: when the attitude is determined from two nonorthogonal vector observations (one vector is the gravity) the inertial vertical in the plane that contains both vectors can be constructed regardless of the other vector nature. The natural frequency of the inertial loop is defined by the nature of the second vector and can differ from the Schuler one. © 2016 IEEE.


Kolesov N.V.,Concern Central Scientific and Research Institute ELEKTROPRIBOR
Advances in Fuzzy Systems | Year: 2013

A method of fault diagnosis in dynamic systems based on a fuzzy approach is proposed. The new method possesses two basic specific features which distinguish it from the other known fuzzy methods based on the application of fuzzy logic and a bank of state observers. First, this method uses a bank of interacting observers instead of traditional independent observers. The second specific feature of the proposed method is the assumption that there is no strict boundary between the serviceable and disabled technical states of the system, which makes it possible to specify a decision making rule for fault diagnosis. © 2013 N. V. Kolesov.


Mashoshin A.I.,Concern Central Scientific and Research Institute Elektropribor
Acoustical Physics | Year: 2013

We describe the results of optimizing a device that detects and measures the modulation parameters of the broadband noise of seagoing vessels caused by rotation of the propeller screw under cavitation conditions and pitching or rolling. Software implementation of this device is presented. © 2013 Pleiades Publishing, Ltd.


Landau B.E.,Concern Central Scientific and Research Institute Elektropribor | Gurevich S.S.,Concern Central Scientific and Research Institute Elektropribor | Emel'yantsev G.I.,National University of Information Technologies | Levin S.L.,Concern Central Scientific and Research Institute Elektropribor | Romanenko S.G.,Concern Central Scientific and Research Institute Elektropribor
Gyroscopy and Navigation | Year: 2010

We consider questions of how to ensure the required accuracy with regard to the orientation of remote Earth sensing spacecrafts by means of a strapdown ESG-based attitude reference system. The techniques, models, and algorithms that we employ are described, as are some results from actual flight tests. The ways of further improving the accuracy of inertial system under consideration are discussed. © B.E. Landau, S.S. Gurevich, G.I. Emel'yantsev, S.L. Levin, S.G. Romanenko, 2010.

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