scholarly journals Designing radiation protection for the scientific equipment complex of the Earth’s remote sensing spacecraft

2019 ◽  
Author(s):  
T.Sh. Kombaev ◽  
M.E. Artemov ◽  
I.V. Zefirov
Keyword(s):  
Radiation Protection ◽  
Radiation Resistance ◽  
Outer Space ◽  
Electronic Component ◽  
Operating Conditions ◽  
Absorbed Doses ◽  
Equipment Complex ◽  
Scientific Equipment ◽  
Radiation Conditions ◽  
Onboard Equipment

In the course of operation spacecrafts are exposed to ionizing radiation from outer space. The electronic component base (ECB) used in creating onboard radio-electronic equipment of universal space platforms does not always correspond to the external operating conditions in terms of radiation resistance for some spacecraft orbits due to a number of technical and/or economic reasons. One method to increase the radiation resistance of onboard equipment is to install additional mass protection in the form of screens on the whole equipment or local screens on individual critical radio and electronic components. The article describes the design of additional radiation protection of the geostationary spacecraft scientific equipment complex for adaptation to the radiation conditions of operation in orbits of the “Molniya” type. The solution of the problem involves several preliminary steps, namely: determining the radiation conditions for the spacecraft operation in the target orbit, estimating the local absorbed doses at the locations of the onboard equipment, estimating absorbed doses directly in the electronic component base of the equipment and analyzing the radiation resistance. Designing the radiation complex of scientific equipment was based on the values of the radiation resistance of the equipment and its components, as well as the calculated values of the local absorbed doses in the components

General approaches to assessing the resistance to the effects of ionizing radiation of outer space for foreign electronic component base of development enterprises

2022 ◽  
Vol 14 (4) ◽  
pp. 58-66
Author(s):  
Aleksandr Kozyukov ◽  
N. Gamzatov ◽  
Sergey Grechanyy ◽  
Konstantin Zolnikov ◽  
I. Strukov ◽  
...  
Keyword(s):  
Radiation Resistance ◽  
Outer Space ◽  
European Space Agency ◽  
Electronic Component ◽  
Space Technology ◽  
Space Agency ◽  
Urgent Task ◽  
The Stability ◽  
Main Components ◽  
Selection Of

The analysis of information on the stability of the electronic component base (ECB) in the development of radio-electronic equipment (REE) of spacecraft (spacecraft) is an important and urgent task. The paper considers the main components of the approaches of foreign organizations developing radio space technology to ensure its radiation resistance. The design approaches of Thales Alenia Space, Airbus Defense and Space, and the European Space Agency are presented. The article outlines the main directions for optimizing the procedures for the preliminary selection of ECB, which consist in ensuring the required resistance of REE SC at the ECB level with ensuring the reliability of data on durability, in minimizing the costs of applying resistance enhancement measures (through the use of a promising ECB with increased resistance characteristics), to replace ECB.

scholarly journals Stages of information support of development of on-board equipment for spacecraft

2021 ◽  
Vol 5 (3) ◽  
pp. 166-176
Author(s):  
A. A. Kovel
Keyword(s):  
Experimental Testing ◽  
Electronic Devices ◽  
Operating Conditions ◽  
Information Support ◽  
Engineering Practice ◽  
Space Technology ◽  
Successful Operation ◽  
Radio Electronic ◽  
Stage Of Development ◽  
Onboard Equipment

The ground-experimental testing of the elements of space technology is a crucial stage in the creation of space products, in fact, this is the ground «flight» of the devices being created. And how well the operating conditions will be reproduced at this stage and the successful functioning of the devices under the expected conditions is ensured, its successful operation in real flight during the service life depends. The radio electronic devices of the onboard equipment of the spacecraft are one of the essential elements that ensure the fulfillment of target tasks, which should confirm their readiness for the forthcoming work at the stage of groundbased experimental testing. The article discusses the stages of information support for the development of spacecraft onboard equipment, showing the ways to improve the technology of ground-based experimental testing of spacecraft onboard equipment. It is shown that at the present stage of development of the space industry, it has become possible to introduce the methodology of mathematical planning of an experiment into engineering practice. A backlog of applied work on radio-electronic topics h as appeared, showing the possibility of revealing in a full factorial experiment the influence of internal uncontrollable parameters (factors) of electronic components on the experimental results. This removed the obstacle to the implementation of the capabilities of the method in research and improvement of radio electronic devices onboard equipment.

scholarly journals PRODUCT LIFE ASSESSMENT METHODOLOGY UNDER RADIATION EXPOSURE

2021 ◽  
Author(s):  
Konstantin Zolnikov ◽  
Svetlana Evdokimova ◽  
A. Yagodkin ◽  
Sergey Grechanyy ◽  
P. Parmon
Keyword(s):  
Service Life ◽  
Radiation Exposure ◽  
Experimental Evaluation ◽  
Outer Space ◽  
Life Assessment ◽  
Assessment Methodology ◽  
Structural Effects ◽  
Product Life ◽  
Radiation Conditions

The article proposes a method for calculating and experimental evaluation of the service life of products in the specified radiation conditions of outer space. The described method of estimating the resource of products takes into account the additive nature of ionization and structural effects in the specified radiation conditions of outer space. This method includes experimental and computa-tional stages.

scholarly journals Increase of efficiency of actuators of spacecraft thermal control system in outer space

2019 ◽  
Vol 3 (4) ◽  
pp. 209-215
Author(s):  
N. V. Lukonin ◽  
E. N. Golovenkin ◽  
G. V. Dmitriev ◽  
I. Ya. Shestakov
Keyword(s):  
Control System ◽  
Outer Space ◽  
Thermal Control ◽  
Operating Conditions ◽  
Resistive Layer ◽  
Domestic Industry ◽  
Thermal Control System ◽  
Flexible Film ◽  
Spacecraft Thermal Control ◽  
Regular Position

The article deals with the methods of transfer of thermal energy of electric heaters to the nodes and devices of non-pressurized spacecraft, which are part of the spacecraft in the target orbits in the conditions of regular use. The basic technical characteristics of perspective electric heaters for operating conditions are developed, the model of regular position of electric heaters allowing to define ways of increase of efficiency and efficiency of electric heaters is developed. The main results of the development of flexible film electric heaters various design using materials produced by the domestic industry and manufactured using a new method based on the method of photolithography and etching the resistive layer, allowing to implement new functionality and improve efficiency of electric heaters, the experiments confirming the calculations in conditions simulating operational influences on electric heaters. The using of flexible film electric heaters increased efficiency in the existing and future spacecraft can improve the efficiency of the thermal control system as a whole, improves manufacturability.

Method and algorithms of complex information processing onboard the aircraft for the benefit of definition of accessory of the purposes

2021 ◽  
Author(s):  
А.V. Avramov
Keyword(s):  
Information Processing ◽  
Information Environment ◽  
Complex Information ◽  
Equipment Complex ◽  
Phase Coordinates ◽  
Complex Information Processing ◽  
Adaptive Assessment ◽  
Complex Adaptive ◽  
Sensor Information ◽  
Onboard Equipment

Formulation of the problem. On board an aircraft, the solution of situational awareness tasks can be achieved as a result of the creation of an integrated multi-sensor information environment for a complex of onboard equipment, including sources of information that are heterogeneous in terms of construction principles and nature. One of the difficulties in creating such a multi-sensor information environment is the lack of specialized functional software for the on-board equipment complex, which allows processing and combining signals and information from heterogeneous sources, providing an assessment of the coordinate characteristics of targets in the form of phase coordinates of their spatial position and movement, as well as recognition and identification observed targets by characteristic features. To solve this problem, a method and interconnected algorithms for complex information processing have been developed that would allow combining heterogeneous information about targets, taking into account the conditions and methods of obtaining it when solving problems of tracking, recognition and identification of targets. Goal. Describe the method and interrelated algorithms for integrated information processing in the aircraft onboard equipment complex, which provide tracking, recognition and identification of targets based on information received from heterogeneous OBE sources. Results. The method of complex information processing on board the aircraft is described. A set of interrelated algorithms has been developed, including: an algorithm for the complex adaptive assessment of the phase coordinates of the observed target, conditional relative to its trajectory and signal signs obtained from the results of observations of heterogeneous sources; an algorithm for determining the nationality of the observed target, taking into account the assessment of its class / type based on the results of assessing the values of its trajectory and signal characteristics, as well as the conditions for assessing the phase coordinates. Practical significance. The optimization of the processes of a complex adaptive assessment of the phase coordinates of the observed target, conditional with respect to its trajectory and signal signs, and optimization of the decision-making process about the nationality of the observed target, taking into account the assessment of its class / type based on the values of the trajectory and signal signs of this target, obtained from the results of observations of heterogeneous sources. A variant of the practical implementation of the developed method and algorithms in the OBE of the aircraft is proposed.

A PRIORI ANALYSIS OF RADIATION RESISTANCE OF MULTICHANNEL LOW-NOISE KU-BAND AMPLIFIER

2021 ◽  
Author(s):  
Д.А. ТИТОВ
Keyword(s):  
Radiation Dose ◽  
Radiation Resistance ◽  
Communication Systems ◽  
Satellite Communication ◽  
A Priori ◽  
Low Noise ◽  
A Priori Analysis ◽  
Onboard Equipment ◽  
Ku Band ◽  
Unified Design

Приводится алгоритм расчета накопленной дозы радиационного излучения для унифицированной конструкции бортовой аппаратуры систем спутниковой связи The article presents an algorithm for calculating the accumulated radiation dose for the unified design of onboard equipment of satellite communication systems.

scholarly journals OPERATING CONDITIONS OF SPACE CHIPS

2021 ◽  
Author(s):  
V. Zolnikov ◽  
N. Gamzatov ◽  
I. Strukov ◽  
M. Solodilov ◽  
Ekaterina Grosheva
Keyword(s):  
Radiation Resistance ◽  
Radiation Effects ◽  
Operating Conditions ◽  
New Models ◽  
Physical Effects ◽  
Physical Phenomena

The issues of creating modern microelectronics for special purposes and the conditions of its operation are considered. The trends in the development of space-purpose microcircuits and their influence on radiation resistance are determined. The paper presents the main physical phenomena that dominate among the radiation effects in recent years. Reducing the characteristic sizes of VLSI elements leads to the appearance of new physical effects, for which it is necessary to develop new models, or improve existing ones.

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