JPRS ID: 10459 EAST EUROPE REPORT SCIENTIFIC AFFAIRS

• Document Type: CREST
• Collection: JPRS
• Document Number (FOIA) /ESDN (CREST): CIA-RDP82-00850R000500050035-3
• Release Decision: RIF
• Original Classification: U
• Document Page Count: 33
• Document Creation Date: November 1, 2016
• Sequence Number: 35
• Content Type: REPORTS

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JPRS L/ 10459
15 Apr~l 1982
East E~ro e Re ort
p p
SCIENTIFIC AFFAIRS
(FOUO 1 /82~
FBIS FOREIGN BROADCA~T INFORMATION SERVICE
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JPRS I,/10459
15 April 1982
,
- EAST EUROPE REPORT
SCIENTIFt~ AFFAIRS
(~ovo ~./s2)
~ONTENTS
INTERNATTONAL AFFAIRS
Automatic Stabil.ized Platform for Interkosmos Solar Program
- Described
(Frantisek Rubes, et al.; AUTQMATIZACE, No 11, 1981~... 1
Microprocessor S~rstems, Computer ~omponent Base in CF~MA
Outlined
(Eduard Schliksbier; ELEKTROTECHNICKY OBZOR, No 10,
198.1) 20
C~'EC:~OST,Ol'AKIA
_ Minister Qutlines 1981-1985 Metallurgy Tasks
(Ladislav Gerle; HITTNICKE I,ISTY, No l, 1982) 23
~ Metal Recycling Saves Energy, Hard Currency
- (Anton~.n I~advanovsky; ELEKTROTECHNICKY OBZOR, Dec 81) . 26
_ - a - [III - EE - 65 FOLTJ]
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INTERNATIONAL AFFAIRS
AUTUMATIC STABILIZED PLATFORM FOR INTERKOSMOS SOLAR PROGRAM DESCRIBED
Prague AUTOMATIZACE in Czech No 11, 1981 pp 274-282
[Article by Eng Frantisek Rubes, Eng Jiri Ruzicka and Eng Jiri Recek,
Research Institutes Development and t?peratidns Base, Prague-Bechovice: "An
Automatic Stabilized Platform in the Interkosmos Program"]
[Text] This article describes the main characteristics
of the equipment in ehe ASP-SKAN automatic stabilized
platfoxm, which was developed for the new AUOS-S satel-
Iites to Ue used in the Interkosmos program for the
study of solar radiation. Thca ASP-S1CAN is an electro-
mechanical system for precise orientation of high-
_ resolution astronomical instruments.
l. Tntroducti~n
The development of rockets and space flight in the past t~'-.~ decades (1960-
1980) has made it possible to transport astronomical measui�ing instruments
(telescopes, spectrometer~ and the like) outside thP earth`s atmASphere. The
- p].acir?g of scientific measuring instr~iments in automatic space stations has
increased the possibilities for studying short-wave radiation from bodies in
space (e.g,, ul.traviolet and X-ray _a3iation from the ~un), which is absorbed
b5 tl~~e earth's atmosphere. Automatic space stations make it possible to con-
~ duct nearly continuous astronomical obaervation free from the disturbing
~ effects of the earth's atmosphere, thus markedly increasing the effective-
ness of astronomical ~bserva*ion.
As part of international cooperation in the Interkosmos program, the Soviet
Union ha; dsveloped the new AJOS-S satellites (Automatic Univ~rsal Orbital
Star.ion-Sur.), which will be used to study the sun from earth orbit. The
AtrOS-S satellite is capable nf triaxial orientation in space. Its longitudi-
n~l ax.'G is oriented toward the center of the aun with a;: accuracy within a
few m~~:~utes o.f arc. It is in a nearly circular orbit at an altitude of 500 km,
- and an active ].ife of 6 montha is expected.
y
Because of the high resolut~.on of the ~ptica in the astron~~mical measuring
insr.rument (~aithin 10 seconds of the error in stabilization of the
uptical axis must be within ~ f~w seconds of arc. In 1974, specialista of
1
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rvn vrri~.u+i. VJG Vl\LY
the Space Physics working group in the Interkosmos program issued the
specifications for the development of the ASP-SKAN automatic stabilized
platform, which will be placed aboard an AUOS-S satellite and will carry
astronomical instruments intended for study of X-rays from the sun. The
specificati~ns called for resolution of the above-mentioned problem of pre-
cisely orienting tr.e optical axes of astronomical instruments teward a
specified area of the sun, as well as support of other program functions.
The task of developir_g and producing the electromechanical system for the
ASP-SKAN was assigned to the Research Institutes Developmen*_ and C~perations
Base (VPZ) in Bechovice. The requester and principal coordinator of the task
on the Czechoslovak side is AsU [Institute of Astronomyj CSAV [Czechoslovak
Acadeury of Sciences] in Ondre~ov. The Space Research Institute (YKI) of the
USSR Academy of Sciences in M~oscow was designated manager and coordinator of
technical design on the Soviet side. An econom.tc specification for the
design was that Czechoslovak or CEy1A components must be used. Micro-
processors could not be used in Lhe design because none with high reliability
were available during the development and testing stage. An attempt was made
to assure maximum equipment reliability from the very beginning of develop-
menr ;aork. Material and design tests carried out during development affected
the design of the final working model. But these matter~, as well as a
description of the simulation of the weightless state, are outside the scope
of the present articJ.e.
2. Characteristics of the ASP-SKA~T Equipmen*_
The ASP-SKAN, which carries two devices fr�~ studying solar activity, performs
the following functions:
Automatic compensation of errors in the orientation of the ~rbital sta-
tion and definitioil of the relative coordinate system for measurement of the
motions described in points b through d;
- b. Orientation of the optical axes of the astronomical instrtiments to a
specific point on the solar disk;
c. Line scanning of the image of the solar disk by mechanical movement, ~.e.,
"coarse scan";
d. Line scanning of a selected section of thr: solar disk by me~hanical move-
ment, i.e., "fine scan";
e. Automatic organization of functiona under points b through d into a
selected program mode;
f. Provision of the necessary information on equipment operation to the
_ telemetric system.
Functions a and f are carried out independently, while functions b through e
are chosen by exte nial cr~mmand. The external commands also specify the
coordinate values, in the relative system, which are xequired for the activ-
ities in pnints b a:id d.
2
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3. Tec:hnical Description
The ASP-SKAN equipment consists of inechanical and electronic sections con-
nected by cables (see Fig. 3.0).
- t ~
"~r~.~:='~ ~ ~ ~ ~ ~Y ~
.Y.;;: ~1 ~ C
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Fig. 3.0. ASP-SKAN plat.forn with mockup of scientific instrument and auxil-
iary test frame holding, a sclar simulator and Fquipment for simulating
wei ghtlessness .
The mechanical. section, wtzlch is the �unctional. par.t of. the system, is
desiPned to operat:e Ln open space (vacuum, wei~htless condition and the like).
Tti~ electronic section provides power to the mPChanical section and controls
ir_s opera:.~a.on. With the e~tc eption of the positi.on sensor, the electronic
sk~c~ion is c