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    Wyświetlanie 1-5 z 5
    Tytuł:
    Observability and controllability analysis for sandwich systems with backlash
    Autorzy:
    Luo, N.
    Tan, Y.
    Dong, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/330501.pdf
    Data publikacji:
    2015
    Wydawca:
    Uniwersytet Zielonogórski. Oficyna Wydawnicza
    Tematy:
    backlash
    sandwich system
    non smooth system
    state space equation
    observability
    controllability
    luz mechaniczny
    układ warstwowy
    równanie stanu
    obserwowalność
    sterowalność
    Opis:
    In this paper, an approach to analyze the observability and controllability of sandwich systems with backlash is proposed. In this method, a non-smooth state-space function is used to describe the sandwich systems with backlash which are also non-smooth non-linear systems. Then, a linearization method based on non-smooth optimization is proposed to derive a linearized state-space function to approximate the non-smooth sandwich systems within a bounded region around the equilibrium point that we are interested in. Afterwards, both observability and controllability matrices are constructed and the methods to analyze the observability as well as controllability of sandwich system with backlash are derived. Finally, numerical examples are presented to validate the proposed method.
    Źródło:
    International Journal of Applied Mathematics and Computer Science; 2015, 25, 4; 803-814
    1641-876X
    2083-8492
    Pojawia się w:
    International Journal of Applied Mathematics and Computer Science
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Multi-direction digital moving mask method for fabricating continuous microstructures
    Autorzy:
    Zhang, Z
    Gao, Y
    Luo, N
    Zhong, K
    Liu, Z
    Powiązania:
    https://bibliotekanauki.pl/articles/175088.pdf
    Data publikacji:
    2015
    Wydawca:
    Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
    Tematy:
    multi-direction digital moving mask
    superposition
    quantization
    Opis:
    The multi-direction digital moving mask method, employing the superposition of the exposure along various moving directions, is developed for fabricating continuous microstructures. The mask pattern corresponding to each moving direction is determined by projecting the target dose profile in the corresponding moving direction. All the mask patterns are dynamically exposed on the same substrate layer by layer so as to form a 3D profile of the exposure dose. The selection criterion of a quantization number and moving-direction number is discussed. For verification of the multi-direction moving method, experiments are performed to fabricate a square pyramid array and square-based microlens array by moving along two orthogonal directions, and round-based microlens array by moving along six directions.
    Źródło:
    Optica Applicata; 2015, 45, 1; 79-88
    0078-5466
    1899-7015
    Pojawia się w:
    Optica Applicata
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Whole-plant acclimation to photooxidative stress: from photoprotection to leaf growth and root architecture
    Autorzy:
    Alter, P.
    Caliandro, R.
    Luo, F.
    Kastenholz, B.
    Kerstin, N.
    Matsubara, S.
    Powiązania:
    https://bibliotekanauki.pl/articles/79807.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    conference
    plant acclimatization
    photooxidative stress
    carotenoid
    photoprotection
    leaf growth
    root architecture
    superoxide dismutase activity
    xanthophyll
    chlorophyll content
    Źródło:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology; 2013, 94, 2
    0860-7796
    Pojawia się w:
    BioTechnologia. Journal of Biotechnology Computational Biology and Bionanotechnology
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Static and Dynamic Spin Organization in Magnetic Semiconductor Nanostructures
    Autorzy:
    Samarth, N.
    Luo, H.
    Furdyna, J. K.
    Giebultowicz, T. M.
    Awschalom, D. D.
    Powiązania:
    https://bibliotekanauki.pl/articles/1920966.pdf
    Data publikacji:
    1992-10
    Wydawca:
    Polska Akademia Nauk. Instytut Fizyki PAN
    Tematy:
    75.50.Pp
    75.25.+z
    Opis:
    We describe experiments which study static and dynamic aspects of Mn spin organization in magnetic semiconductor superlattices and quantum wells. Neutron diffraction studies of ZnSe/MnSe and ZnTe/MnSe superlattices show how static Mn spin organization in these antiferromagnetic layers may be modified by strain and lowered dimensionality. We also use a novel form of femtosecond magnetic spectroscopy to examine magnetic polaron dynamics in diluted magnetic semiconductor quantum wells, and show how the organization of Mn spins by a spin-polarized carrier population may be directly viewed in the time domain.
    Źródło:
    Acta Physica Polonica A; 1992, 82, 4; 573-584
    0587-4246
    1898-794X
    Pojawia się w:
    Acta Physica Polonica A
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Seroprevalence of antibodies to classical swine fever virus and porcine reproductive and respiratory syndrome virus in healthy pigs in Hunan Province, China
    Autorzy:
    Yu, H.
    Zhang, L.
    Cai, Y.
    Hao, Z.
    Luo, Z.
    Peng, T.
    Liu, L.
    Wang, N.
    Wang, G.
    Deng, Z.
    Zhan, Y.
    Powiązania:
    https://bibliotekanauki.pl/articles/16539345.pdf
    Data publikacji:
    2022
    Wydawca:
    Polska Akademia Nauk. Czasopisma i Monografie PAN
    Tematy:
    classical swine fever virus (CSFV)
    porcine reproductive and respiratory syndrome virus (PRRSV)
    pig
    seroprevalence
    antibody
    Opis:
    Classical swine fever (CSF) and porcine reproductive and respiratory syndrome (PRRS) are responsible for major economic losses and represent a threat to the swine industry worldwide. Routine surveillance serology for CSF and PRRS viruses is critical to maintaining the health status of sow farms in Hunan Province, which is one of the top pig production provinces in China. The aim of our study was to investigate the serological statistics of CSF virus (CSFV) and PRRS virus (PRRSV) in Hunan Province. The cohort serum samples were collected from vaccinated and unvaccinated pigs. Our findings showed that the average rates of CSFV and PRRSV antibody seropositivity were 82.2% (95% CI: 80.1-84.3) and 84.8% (95% CI: 82.5-87.1), respectively, in the immunized group and that these rates were higher than those in the unvaccinated group (58.6% for CSFV and 47.8% for PRRSV). Additionally, the level of CSFV antibody in piglet serum declined gradually with age, whereas PRRSV-specific antibody level increased initially (1 to 2 weeks old) and then declined with age (2 to 4 weeks old). In summary, we investigated the difference in CSFV/PRRSV antibody levels among piglets at various weeks old (1 to 4 weeks) to further establish the duration of maternal immunity in piglets. In addition, routine monitoring of CSFV/PRRSV antibodies in immunized pigs was carried out to evaluate the efficacy of vaccination.
    Źródło:
    Polish Journal of Veterinary Sciences; 2022, 25, 3; 375-381
    1505-1773
    Pojawia się w:
    Polish Journal of Veterinary Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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