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  • 1
    Electronic Resource
    Electronic Resource
    Neural simulation of a prototype keyboard assembly cell with adaptive control (1996)
    Springer
    Journal of intelligent manufacturing 7 (1996), S. 379-386 
    Details
    ISSN: 1572-8145
    Keywords: Neural simulation ; keyboards ; SIMAN ; assembly ; control
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: This paper describes the integration of a feedforward neural network with a real-time adaptive control technique to model an assembly cell for computer keyboards. The simulation model is able to undertake real-time forecasting of the expected behaviour of the cell, and also able to display in real time the current status of the assembly cell. The potential of integrating artificial neural networks into simulation together with an on-line real-time interface between the simulation model and the real-world system is investigated in this study. A simulation model was built in SIMAN with a neural network written in NeuralWork Professional II Plus embedded in the model to allow training and testing of the network. The control of the cell was achieved through a third-party program written in C that interfaces directly to the cell.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00123914
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  • 2
    Electronic Resource
    Electronic Resource
    In Vivo Estrogenic Action of Nonylphenol in Immature Female Rats (1996)
    Springer
    Bulletin of environmental contamination and toxicology 57 (1996), S. 341 -348 
    Details
    ISSN: 1432-0800
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s001289900196
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  • 3
    Electronic Resource
    Electronic Resource
    Evolving reliable and robust controllers for real robots by genetic programming (1999)
    Springer
    Soft computing 3 (1999), S. 63-75 
    Details
    ISSN: 1433-7479
    Source: Springer Online Journal Archives 1860-2000
    Topics: Computer Science
    Notes: Abstract  Using Genetic Programming (GP)-based approaches to evolve robot controllers has the advantage of operating variable-size genotype. This is an important feature for evolving robot control systems as it allows complete freedom for the control architecture in respect to the task complexity which is difficult to predict. However, GP-based work in evolving controllers has been questioned in the verification of the performance on real robots, the generalisation of defining primitives, and the computational cost needed. In this paper, we present our GP framework in which a special representation of the robot controller is designed; this representation can capture well the characteristic of a behaviour controller so that our system can efficiently evolve desired robot behaviours by a relatively low computational cost. This system has been successfully used to evolve reliable and robust controllers working on a real robot, for a variety of tasks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s005000050054
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  • 4
    Electronic Resource
    Electronic Resource
    Effect of Impurities on Wetting of Mullite by Cordierite Liquid (1999)
    Springer
    Journal of materials science 18 (1999), S. 171-172 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006687107271
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  • 5
    Electronic Resource
    Electronic Resource
    Mechanism of Consolidation of a Porous-Surfaced Ti–6Al–4V Implant Formed by Electrodischarge Compaction (1999)
    Springer
    Journal of materials science 18 (1999), S. 817-818 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006653503849
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  • 6
    Electronic Resource
    Electronic Resource
    Fatigue induced microstructural change in furnace cooled Zn-Al based alloy (1999)
    Springer
    Journal of materials science 18 (1999), S. 909-914 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1006620916183
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  • 7
    Electronic Resource
    Electronic Resource
    Microstructural observation of bottom drilling corrosion in electrocast Al2O3-ZrO2-SiO2 refractories (1996)
    Springer
    Journal of materials science 15 (1996), S. 1702-1704 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00636200
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  • 8
    Electronic Resource
    Electronic Resource
    Robotic Weed Control System for Tomatoes (1999)
    Springer
    Precision agriculture 1 (1999), S. 95-113 
    Details
    ISSN: 1573-1618
    Keywords: robotics ; machine vision ; weed control ; tomatoes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract A real-time intelligent robotic weed control system was developed for selective herbicide application to in-row weeds using machine vision and precision chemical application. The robotic vision system took 0.34s to process one image, representing a 11.43 cm by 10.16 cm region of seedline containing 10 plant objects, allowing the prototype robotic weed control system to travel at a continuous rate of 1.20 km/h. The overall performance of the robotic system in a commercial processing tomato field and in simulated trials is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1009977903204
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  • 9
    Electronic Resource
    Electronic Resource
    Crystal nucleation in P2O5-doped lithium disilicate glasses (1999)
    Springer
    Journal of materials science 34 (1999), S. 4399-4411 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract The bulk (volume) crystallisation of Li2O·2SiO2 (LS2) glasses with additions of 1, 2 and 5 mol % P2O5 (G1P, G2P and G5P) was investigated. In the G1P and G2P glasses heated at 454°C metastable α′- and β′-LS2 crystal phases formed initially and only stable LS2 at later stages. In G1P heated at 463°C transmission electron microscopy (TEM) revealed particles (≥2 μm) of stable LS2 but also smaller (〈0.1 μm) crystalline particles which were unstable under the electron beam and could not be identified. Crystalline lithium orthophosphate (Li3PO4) was detected by XRD and 31P magic angle spinning nuclear magnetic resonance (MAS-NMR) in both as-quenched and heat treated G5P but not in G1P and G2P. In G5P heated at 476°C, metastable α′-LS2 phase initially formed and at later times stable LS2. In as-quenched G5P, a trace of lithium metasilicate (LS) was observed. Li3PO4 crystals were not detected in G5P by TEM but a marked increase in nucleation rate due to P2O5 addition was observed. 29Si MAS-NMR revealed amorphous Q2 (LS) and Q4 (SiO2) species in an average Q3 (LS2) environment in the as-quenched glasses. Increased P2O5 concentration caused a greater degree of amorphous phase separation. 31P MAS-NMR showed amorphous lithium phosphate units in the as-quenched and nucleated G1P and G2P. The presence of crystalline Li3PO4 phase in glass G5P suggests that Li3PO4 crystals may act as sites for heterogeneous nucleation of stable lithium disilicate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/A:1004668701163
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  • 10
    Electronic Resource
    Electronic Resource
    Influence of heat treatment on properties of copper-based shape-memory alloy (1996)
    Springer
    Journal of materials science 31 (1996), S. 1537-1543 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract An investigation was performed on a Cu-Zn-Al ternary alloy to examine the influence of heat treatment on its shape-memory effect. Four heat treatments were carried out, namely, step quenching, ice-water quenching, water quenching and glycol quenching from three different temperatures of 800, 850 and 900°C, It was observed that step-quenched samples showed the best martensitic structure for high resistance to shape-memory degradation. Ice-water quenching induced vacancy-pinning effects and hence lowered transformation temperature and degradation life compared to step quenching. However, no transformation was detected in water and glycol-quenched specimens due to the stabilization of martensite. The results showed that shape-memory effect is strongly influenced by many heat-treatment parameters, such as betatizing temperature, betatizing duration and rate of quenching. Step-quenched specimens also showed a higher number of cycles to failure in comparison to ice-quenched specimens. Owing to the dominating effects of large grain size and martensitic plates, the advantages of step quenching, however, disappeared when a high betatizing temperature of 900°C was used. Several kinds of defects were observed after fatigue testing, namely microvoids, cracks near martensitic plates, cracks at the interface of inclusions and inside inclusions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00357862
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