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  • Trans Tech Publications, Ltd.  (110)
  • 1
    Online Resource
    Online Resource
    An Automatic Golf Ball Recycling Robot Design
    Trans Tech Publications, Ltd. ; 2014
    In:  Applied Mechanics and Materials Vol. 511-512 ( 2014-2), p. 822-826
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 511-512 ( 2014-2), p. 822-826
    Abstract: This paper depicts the design of an automatic golf recycling robot. The purpose of this paper is to present the key technologies and results on the automatic golf recycling robot. The designed robot is an intelligent system that is consisted of three key modules: the hardware module includes the mechanical structure which can adapt to the golf course; the control module processes the signals from the multiple sensors and instructions to navigate the robot; the decision module can plan the path via recognition of the golf balls from the background grass. Besides, to avoid an emergency situation occurrence, the robot is equipped with a remote wireless control system. The designed robot has been tested on the driving range, and the basic functions of the robot have been implemented. The golf recycling robot supersedes the human labor significantly and shows a wide potential applications.
    Type of Medium: Online Resource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.511-512
    DOI: 10.4028/www.scientific.net/AMM.511-512.822
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2014
    detail.hit.zdb_id: 2251882-4
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  • 2
    Online Resource
    Online Resource
    Effects of Fuel Flow inside the Nozzle on Spray Characteristics of Butanol/Diesel Blends
    Trans Tech Publications, Ltd. ; 2014
    In:  Advanced Materials Research Vol. 1070-1072 ( 2014-12), p. 1684-1689
    Details
    In: Advanced Materials Research, Trans Tech Publications, Ltd., Vol. 1070-1072 ( 2014-12), p. 1684-1689
    Abstract: In order to build an accurate spray model for studying the characteristics of n-butanol and diesel blends. First, the calculation of gas-liquid two phase flow inside the nozzle was carried on, the birth and development of cavitation and the non-uniformity of the velocity field inside the nozzle were analysed. Then the spray model coupled flow inside the nozzle was established and verified. The spray simulation calculation of n-butanol and diesel blends was carried on by using the model, and compared the results with the results of flow inside the nozzle not coupled. The results show that the droplet speed, spray penetration and SMD of D100 and N40 is all bigger under the condition of without coupling flow inside the nozzle. The flow inside nozzle will affect the whole spray process and spray characteristics, which will ultimately affect the combustion and emission characteristics. So the spray model coupled flow inside the nozzle can provide accurate initial condition for spray calculation, which can reflects the fuel spray characteristics truly.
    Type of Medium: Online Resource
    ISSN: 1662-8985
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMR.1070-1072
    DOI: 10.4028/www.scientific.net/AMR.1070-1072.1684
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2014
    detail.hit.zdb_id: 2265002-7
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  • 3
    Online Resource
    Online Resource
    An Approach for Data Analysis of Multi-Group Metabonomics Base on Hierarchical-PCA
    Trans Tech Publications, Ltd. ; 2012
    In:  Applied Mechanics and Materials Vol. 236-237 ( 2012-11), p. 779-782
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 236-237 ( 2012-11), p. 779-782
    Abstract: Datasets of metabolomics of multi-group are becoming increasingly complex, hard to summarize and visualize. Hierarchical Modeling makes the data dimensionality reduction and interpretation much easier by principal component analysis (PCA). Dose-response curve is drawed with the principal component score values. As an example, dataset from Ma Xin Shi Gan Tang (MXSGT) water extract administrated rats plasma collected by LC/MS/MS was used to demonstrate this method. As a result, Hierarchical Modeling based on PCA was proved to be an effective, time saving method for data purification.
    Type of Medium: Online Resource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.236-237
    DOI: 10.4028/www.scientific.net/AMM.236-237.779
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2012
    detail.hit.zdb_id: 2251882-4
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  • 4
    Online Resource
    Online Resource
    A New Cascaded Stochastic Resonance System and its Application to Weak Double-Frequency Signal Separation
    Trans Tech Publications, Ltd. ; 2014
    In:  Applied Mechanics and Materials Vol. 511-512 ( 2014-2), p. 346-351
    Details
    In: Applied Mechanics and Materials, Trans Tech Publications, Ltd., Vol. 511-512 ( 2014-2), p. 346-351
    Abstract: Weak signal detection has attracted many researchers attention all over the world. Most of the methods focus on the single frequency signal. This paper introduces a new method to separate the weak double-frequency signal overwhelmed in heavy background noise. The cascaded stochastic resonance (SR) system (CSRS) is composed of a bistable SR model in the first stage and a tristable one in the second. Based on the characteristic of the SR system, we can amplify the useful signal of high frequency using twice sampling technic to make its parameters matching the requirements of the system. In our proposed cascade stochastic resonance system, we highlight the appointed frequency from high to low successfully with adjusting the twice sampling multiple and the high pass filter band. The signal composition of different frequency can be obtained from the systems two stage output. Simulated experiment validates the CSRSs availability in weak double-frequency signal separation and also its promising application in a more complex mixed signal.
    Type of Medium: Online Resource
    ISSN: 1662-7482
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/AMM.511-512
    DOI: 10.4028/www.scientific.net/AMM.511-512.346
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2014
    detail.hit.zdb_id: 2251882-4
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  • 5
    Online Resource
    Online Resource
    The Effects of Hot Deformation of Austenite on the Bainite Transformation in a Fe-C-Mn-Si-Cr Steel
    Trans Tech Publications, Ltd. ; 2018
    In:  Materials Science Forum Vol. 941 ( 2018-12), p. 486-491
    Details
    In: Materials Science Forum, Trans Tech Publications, Ltd., Vol. 941 ( 2018-12), p. 486-491
    Abstract: The effects of hot deformation conditions in the stable austenite state on the transformation kinetics and morphology of bainite were examined using dilatometry, electron back scatter diffraction (EBSD) and X-ray diffraction (XRD) measurements in a carbide-free bainitic steel with a composition of Fe-0.34C-2Mn-1.5Si-1Cr (in wt.%). Both uniaxial tensile and compression tests were applied to study the effect of the deformation mode. The temperature, strain and strain rate of deformation were varied in the ranges of 820-1000 °C, 0.1-0.6 and 0.001-0.1/s respectively. It has been revealed that hot tensile deformation retards the austenite transformation to lower bainite. The overall transformation kinetics slows down and the final attained amount of bainite decreases after completion of the isothermal transformation at 350 °C. However, hot compression deformation accelerates the bainite transformation, increasing both the bainite transformation rate and the final amount of bainite formed. The total amount of bainite increases with decreasing the strain rate irrespective of the mode of deformation. The effect of the deformation temperature and strain on the bainite transformation is in a complicated manner depending on the deformation mode.
    Type of Medium: Online Resource
    ISSN: 1662-9752
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/MSF.941
    DOI: 10.4028/www.scientific.net/MSF.941.486
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2018
    detail.hit.zdb_id: 2047372-2
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  • 6
    Online Resource
    Online Resource
    Study of Electronic Structure In Ni〈sub〉3〈/sub〉Fe/Al〈sub〉2〈/sub〉O〈sub〉3〈/sub〉/Ni〈sub〉3〈/sub〉Fe Magnetic Tunnel Junction with Various Ferromagnetic Layer Thicknesses
    Trans Tech Publications, Ltd. ; 2005
    In:  Materials Science Forum Vol. 475-479 ( 2005-1), p. 3909-3914
    Details
    In: Materials Science Forum, Trans Tech Publications, Ltd., Vol. 475-479 ( 2005-1), p. 3909-3914
    Abstract: A series models of Ni3Fe/Al2O3/Ni3Fe magnetic tunnel junction with Al-terminated interfaces have been established for investigating the influence of ferromagnetic layer thickness on the electronic structure, employing first-principle methods based on local spin-density approximation theory. The spin polarization of the interfacial Ni3Fe monolayer shows a maximum v alue as the thickness of ferromagnetic layer increases. The Al monolayers at the ferromagnetic/insulating interface and the O monolayer in the interior of insulating layer are also studied in terms of the change of spin polarization with the ferromagnetic layer thickness. In addition, we have found that the structure of Ni3Fe monolayer has a great influence on the spin polarization.
    Type of Medium: Online Resource
    ISSN: 1662-9752
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/MSF.475-479
    DOI: 10.4028/www.scientific.net/MSF.475-479.3909
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2005
    detail.hit.zdb_id: 2047372-2
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  • 7
    Online Resource
    Online Resource
    Structural and Optical Properties of ZnO〈sub〉1-〈/sub〉〈sub〉x〈/sub〉S〈sub〉x〈/sub〉 Thin Films Grown by Pulse Laser Deposition on Glass Substrates
    Trans Tech Publications, Ltd. ; 2014
    In:  Materials Science Forum Vol. 787 ( 2014-4), p. 18-22
    Details
    In: Materials Science Forum, Trans Tech Publications, Ltd., Vol. 787 ( 2014-4), p. 18-22
    Abstract: With a wide band gap of 3.4 eV and a large exciton binding energy of 60 meV at room temperature, ZnO is attractive for blue and ultra-violet optoelectronic devices, and transparent conducting oxide films for photovoltaic applications. For a semiconductor to be useful, particularly in reference to optoelectronic devices, band gap engineering is of great importance in device development. Alloying of MgO and CdO with ZnO has been studied extensively in comparison to other ZnO alloys incorporating equivalent anions like ZnO 1-x S x (ZnOS). In this work, high-quality ZnOS thin films were grown on glass substrates by pulsed laser deposition using a ZnS ceramic target with varying O 2 partial pressures between 0 and 6 Pa. ZnOS alloys with a wurtzite structure were achieved and no evident phase separation was observed in the whole composition range as determined by X-ray diffraction. The optical transmission measurements show that the average transmittance in the visible range of the films is about 80%. The absorption edges of the films first shift towards low-energy side with increasing the oxygen partial pressure and then blueshift when the oxygen partial pressure is over 2 Pa. The bandgap energies of the ZnOS films were calculated to change from 3.06 to 3.72 eV, showing a nonlinear variation with a bowing behavior that was previously reported.
    Type of Medium: Online Resource
    ISSN: 1662-9752
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/MSF.787
    DOI: 10.4028/www.scientific.net/MSF.787.18
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2014
    detail.hit.zdb_id: 2047372-2
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  • 8
    Online Resource
    Online Resource
    The First-Principles Study of Electronic Structure of Fe/MgO/Fe Magnetic Tunnel Junctions Interface
    Trans Tech Publications, Ltd. ; 2005
    In:  Materials Science Forum Vol. 475-479 ( 2005-1), p. 2255-2258
    Details
    In: Materials Science Forum, Trans Tech Publications, Ltd., Vol. 475-479 ( 2005-1), p. 2255-2258
    Abstract: In this work series of models were constructed in order to investigate the relationship between atomic and electronic structure and TMR property. Models with normal component interface of Fe/MgO/Fe magnetic tunnel junctions were calculated by first-principles discrete variational method (DVM) within the framework of local spin density functional theory. The SP and TMR ratio of Fe at interface of ferromagnetic layer as well as density of states are analyzed. Our research shows that the thickness of ferromagnetic layers effect much on electronic structure. The interface and surface Fe layers have different feature from that of interior.
    Type of Medium: Online Resource
    ISSN: 1662-9752
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/MSF.475-479
    DOI: 10.4028/www.scientific.net/MSF.475-479.2255
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2005
    detail.hit.zdb_id: 2047372-2
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  • 9
    Online Resource
    Online Resource
    Study on the Building Material Optimization of Yi Minority's Tu-Zhang-Fang
    Trans Tech Publications, Ltd. ; 2012
    In:  Key Engineering Materials Vol. 517 ( 2012-6), p. 286-289
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 517 ( 2012-6), p. 286-289
    Abstract: Tu-zhang-fang, which is a kind of Yi minoritys residential buildings with most ecological advantageous, not only can save energy, but also adapt to local climate, soil conditions and environment. It has good regional adaptation. But now, Tu-zhang-fang is facing the demise. In this paper, the mainly work is analyzing the advantages and disadvantages of Tu-zhang-fang about its rammed earth material, and designing experiments, which are about the modification of the material, to improve the water resistance, anti-freezing, bonding, plasticity and strength of shear force of the materials, and then giving reasonable points and direction of the optimization. The ultimate goal is to enhance the seismic behavior, increase building layers, optimal land utilization, enrich the interior space and meet the growing living requirements of comfort. This paper provides an effective way, by considering from the "re-build conservation ideas of residential culture, for the revival of these traditional distinctive residences with high value to be extended, as Tu-zhang-fang.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.517
    DOI: 10.4028/www.scientific.net/KEM.517.286
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2012
    detail.hit.zdb_id: 2073306-9
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  • 10
    Online Resource
    Online Resource
    Fracture Features of Mullite Ceramic Regenerative Material under Thermal Shock Condition
    Trans Tech Publications, Ltd. ; 2014
    In:  Key Engineering Materials Vol. 633 ( 2014-11), p. 427-430
    Details
    In: Key Engineering Materials, Trans Tech Publications, Ltd., Vol. 633 ( 2014-11), p. 427-430
    Abstract: For study the damage characteristic of the mullite heat storage ceramic under thermal shock condition, mechanical properties of mullite have been investigated. Under the different cooling mediums (room temperature water, boiling water, air), single and five cycles thermal shock conditions, The article studied the variation of flexural strength and fracture toughness along with temperature. The result show that with the increase of heat transfer coefficient of cooling medium, the bending strength of ceramic decreased. In the 600°C,the ceramic have a maximum bending strength and a minimum fracture toughness. The fracture toughness of precrack specimen is lower than that of non-precrack specimen on the whole. Both Precrack ceramic and non-precrack ceramic have a maximum fracture toughness at 400°C. The study of this paper provides a theoretical basis for the better predicting fracture damage and service life of heat storage ceramic.
    Type of Medium: Online Resource
    ISSN: 1662-9795
    URL: Issue
    URL: Article
    DOI: 10.4028/www.scientific.net/KEM.633
    DOI: 10.4028/www.scientific.net/KEM.633.427
    Language: Unknown
    Publisher: Trans Tech Publications, Ltd.
    Publication Date: 2014
    detail.hit.zdb_id: 2073306-9
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