2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat最新文献
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913104
A.A. Polevoy, M. Simonov, V. E. Shuvalov
The accuracy increase of regularizing algorithms of the Volterra integral equations of 1-st order are considered. These problems describe tasks of dynamic objects identification and restoration of input signals for cases, when the effective power of a power spectrum of the required solution is concentrated in the limited frequencies band, including the almost periodic solutions. It is proposed to use filters with the minimal number of characteristic parameters, as a combination of Butterworth filters, as stabilizers in system-structural analogue of Tikhonov's regularization method.
{"title":"Optimization algorithm parameters of an inverse filtration in conditions of a priori indeterminacy","authors":"A.A. Polevoy, M. Simonov, V. E. Shuvalov","doi":"10.1109/APEIE.2000.913104","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913104","url":null,"abstract":"The accuracy increase of regularizing algorithms of the Volterra integral equations of 1-st order are considered. These problems describe tasks of dynamic objects identification and restoration of input signals for cases, when the effective power of a power spectrum of the required solution is concentrated in the limited frequencies band, including the almost periodic solutions. It is proposed to use filters with the minimal number of characteristic parameters, as a combination of Butterworth filters, as stabilizers in system-structural analogue of Tikhonov's regularization method.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130759727","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913097
G. Zharkova, I. V. Samsonova, S. Strel’tsov, V. Khachaturyan
The authors study the structure and electrooptical properties of LC composites containing nematic liquid crystals (of the cyanbiphenyl type) with optically active dopants (members of the 1R, 4R-2-(-4phenylbellzilidene)-p-methane-3-ons with variable length of the terminal alcyl substitute) and a polymer (polyvinylpyrrolidone, PVP) network.
{"title":"Structure and optical properties of liquid-crystal composites with induced helices","authors":"G. Zharkova, I. V. Samsonova, S. Strel’tsov, V. Khachaturyan","doi":"10.1109/APEIE.2000.913097","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913097","url":null,"abstract":"The authors study the structure and electrooptical properties of LC composites containing nematic liquid crystals (of the cyanbiphenyl type) with optically active dopants (members of the 1R, 4R-2-(-4phenylbellzilidene)-p-methane-3-ons with variable length of the terminal alcyl substitute) and a polymer (polyvinylpyrrolidone, PVP) network.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126138658","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913087
Y. Blinov, B. Kachanov, V. Ishin
An investigation of the harmonics generation problem is a complicated task due to the wish to have the exact description of the problem that leads to a large volume of necessary calculations and experiments. The coupling simulation of network and electrotechnological installations, for example, 400 kW/0.44 MHz, which can correspond, for example, to HF generator, is a very complicated task due to the large frequency ratio (more then 8000 times) between network and installation that leads to the significant increase of the calculation time. At the same time, coupling simulation gives full and exact information about harmonics generation in a network. But electromagnetic processes in the HF electrical part of the generator have steady-state values in the time range 40-100 /spl mu/s. Besides, the HF generator contains low frequency filter elements that prevent the HF harmonics (0.44 MHz and above) penetration in a network and permit to define the level of network harmonics with a good accuracy. The different frequency characteristics of the network-generator system, and their comparison with time-domain study, are overviewed.
{"title":"Influence of high-frequency electrotechnological installations on generation of harmonics in a network","authors":"Y. Blinov, B. Kachanov, V. Ishin","doi":"10.1109/APEIE.2000.913087","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913087","url":null,"abstract":"An investigation of the harmonics generation problem is a complicated task due to the wish to have the exact description of the problem that leads to a large volume of necessary calculations and experiments. The coupling simulation of network and electrotechnological installations, for example, 400 kW/0.44 MHz, which can correspond, for example, to HF generator, is a very complicated task due to the large frequency ratio (more then 8000 times) between network and installation that leads to the significant increase of the calculation time. At the same time, coupling simulation gives full and exact information about harmonics generation in a network. But electromagnetic processes in the HF electrical part of the generator have steady-state values in the time range 40-100 /spl mu/s. Besides, the HF generator contains low frequency filter elements that prevent the HF harmonics (0.44 MHz and above) penetration in a network and permit to define the level of network harmonics with a good accuracy. The different frequency characteristics of the network-generator system, and their comparison with time-domain study, are overviewed.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"76 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114937690","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913095
A. Gvozdarev, I. Yudin, G.E. Nevskaya
The calculation of the director deformation of homeotropically aligned nematic in axially-symmetrical electrical field of an asymmetrical liquid crystal microlens (LCM) were carried out. The calculation results of microlenses phase profiles and focal distance are in satisfactory accordance with experimental values.
{"title":"Optical properties calculation of liquid crystal microlens and comparison with experiment","authors":"A. Gvozdarev, I. Yudin, G.E. Nevskaya","doi":"10.1109/APEIE.2000.913095","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913095","url":null,"abstract":"The calculation of the director deformation of homeotropically aligned nematic in axially-symmetrical electrical field of an asymmetrical liquid crystal microlens (LCM) were carried out. The calculation results of microlenses phase profiles and focal distance are in satisfactory accordance with experimental values.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129428391","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913082
L. Orlikov
Research results of increase of efficiency of injection in atmosphere of electron beams, with energy up to 100 keV, from electron sources based on high-voltage smolder discharge, through gas dynamic window with the differential gas pumping, are presented. Increased injection efficiency is reached by increase of working pressure of the electron source up to 80 Pa, using the gas dynamic effects and electrophysical phenomena for increasing pressure swing.
{"title":"The low energy gas discharge electron sources with injection of beams through the gas dynamic windows","authors":"L. Orlikov","doi":"10.1109/APEIE.2000.913082","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913082","url":null,"abstract":"Research results of increase of efficiency of injection in atmosphere of electron beams, with energy up to 100 keV, from electron sources based on high-voltage smolder discharge, through gas dynamic window with the differential gas pumping, are presented. Increased injection efficiency is reached by increase of working pressure of the electron source up to 80 Pa, using the gas dynamic effects and electrophysical phenomena for increasing pressure swing.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"43 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128294574","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913138
E. Levin, G. Zinoviev
Transformerless buck-boost AC-AC frequency converters are investigated. They constitute by combination of the matrix converters and the output part of the new buck-boost AC voltage controllers. The unified direct method of calculation of such converters are developed.
{"title":"Buck-boost AC-AC frequency converters","authors":"E. Levin, G. Zinoviev","doi":"10.1109/APEIE.2000.913138","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913138","url":null,"abstract":"Transformerless buck-boost AC-AC frequency converters are investigated. They constitute by combination of the matrix converters and the output part of the new buck-boost AC voltage controllers. The unified direct method of calculation of such converters are developed.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122242778","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913134
I. Bogachkov
At the propagation of impulses with small front rise time in communication lines there is a necessity of the analysis accuracy raising and extension of applicability borders of existing models. We consider application of the numerical methods of the Inverse Laplace transformation for analysis of deformations of pulsing signals propagating in transmission lines of TEM-wave.
{"title":"The analysis of the pulsing signals propagation with an effective spectrum reaching a microwave range on basis of numerical methods of the inverse Laplace-transformation","authors":"I. Bogachkov","doi":"10.1109/APEIE.2000.913134","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913134","url":null,"abstract":"At the propagation of impulses with small front rise time in communication lines there is a necessity of the analysis accuracy raising and extension of applicability borders of existing models. We consider application of the numerical methods of the Inverse Laplace transformation for analysis of deformations of pulsing signals propagating in transmission lines of TEM-wave.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"69 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124597052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913129
Y.V. Martyshevsky, Y. Sharopin
In the most analysis and interpretation problems, the segmentation procedure is the key one: it allows to separate an image into parts, which are informatively interpreted and correspond to different objects in the image analyzed. It is shown that approximating the Fourier transform spectrum module of the image allows to approximately increase the contrast by 3.5 times. The results of this research show an acceptability of the suggested method for segmentation of low-contrast images.
{"title":"Low-contrast images segmentation based on the Fourier spectrum approximation","authors":"Y.V. Martyshevsky, Y. Sharopin","doi":"10.1109/APEIE.2000.913129","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913129","url":null,"abstract":"In the most analysis and interpretation problems, the segmentation procedure is the key one: it allows to separate an image into parts, which are informatively interpreted and correspond to different objects in the image analyzed. It is shown that approximating the Fourier transform spectrum module of the image allows to approximately increase the contrast by 3.5 times. The results of this research show an acceptability of the suggested method for segmentation of low-contrast images.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120949396","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913085
D. V. Chesnokov, V. V. Chesnokov
The analysis of conditions of pyrolytic deposition of films of metals initiated by a nanosecond laser exposure of a substrate in a mixture of organometallic vapors with noble gas at atmospheric pressure are presented. The processes of pyrolysis can occur both in the adsorbed layer, and in a gas phase.
{"title":"Pyrolytic deposition of metal films on substrates in conditions of the open atmosphere initiated by nanosecond laser irradiation","authors":"D. V. Chesnokov, V. V. Chesnokov","doi":"10.1109/APEIE.2000.913085","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913085","url":null,"abstract":"The analysis of conditions of pyrolytic deposition of films of metals initiated by a nanosecond laser exposure of a substrate in a mixture of organometallic vapors with noble gas at atmospheric pressure are presented. The processes of pyrolysis can occur both in the adsorbed layer, and in a gas phase.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132764662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2000-09-26DOI: 10.1109/APEIE.2000.913137
G. Krokhin
This paper examines ideas proposed in a previous article by the author and the results of applying the theory of fuzzy sets and fuzzy logic to the analysis and diagnosis of the state of functioning power installations, which are represented as open MECHANISMS. Procedures are created and united into fuzzy production models for recognition of "generalized images of the state" of the elements (or nodes) of a power installation. Fuzzy models are applied for the first time in designing an intellectual fuzzy regulator for rarefaction in a turbine condenser.
{"title":"Fuzzy models for intellectual industrial regulators in control systems of thermal power stations","authors":"G. Krokhin","doi":"10.1109/APEIE.2000.913137","DOIUrl":"https://doi.org/10.1109/APEIE.2000.913137","url":null,"abstract":"This paper examines ideas proposed in a previous article by the author and the results of applying the theory of fuzzy sets and fuzzy logic to the analysis and diagnosis of the state of functioning power installations, which are represented as open MECHANISMS. Procedures are created and united into fuzzy production models for recognition of \"generalized images of the state\" of the elements (or nodes) of a power installation. Fuzzy models are applied for the first time in designing an intellectual fuzzy regulator for rarefaction in a turbine condenser.","PeriodicalId":184476,"journal":{"name":"2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2000-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134338554","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
2000 5th International Conference on Actual Problems of Electronic Instrument Engineering Proceedings. APEIE-2000. Devoted to the 50th Anniversary of Novosibirsk State Technical University. Vol.1 (Cat
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