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  • 1
    Electronic Resource
    Electronic Resource
    Parameter estimation of fixed-distance joints (1999)
    Springer
    Archive of applied mechanics 69 (1999), S. 465-479 
    Details
    ISSN: 1432-0681
    Keywords: Key words Mechanisms ; parameter estimation ; numerical stability ; kinematics
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary This paper presents some results on the parameter estimation of a fixed-distance joint. Such joints are of interest in various fields of applied mechanics such as mechanisms, vehicle and human body dynamics. The corresponding geometrical parameters are positions of the points of connected bodies, which are kept at constant distance during the movement. The problem is solved using kinematical information on a certain number of points belonging to the connected bodies. The conditioning problem, and, consequently, the accuracy of the results, depends on the relative movement of the bodies and also on possible a priori information. The case of planar motion is investigated in more detail; a numerical example is provided and discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004190050235
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    Paper (German National Licenses)
    Fulltext
  • 2
    Electronic Resource
    Electronic Resource
    On the equilibrium configuration of a particular three-body system (1975)
    Springer
    Archive of applied mechanics 44 (1975), S. 281-290 
    Details
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Es werden die Gleichgewichtslagen eines deformierbaren drehenden Satelliten untersucht. Das Modell des Satelliten besteht aus drei miteinander verbundeneu starren Körpern, von denen zwei als erstarrt gedachte Kabel oder Balken betrachtet werden. Die Gleichgewichtsbedingungen und die Stabilitätskriterien dieses Systems werden mit Hilfe des Formalismus der Mehrkörpersystemtheorie abgeleitet. Auf diese Weise werden alle diejenigen Gleichgewichtslagen bestimmt, die nicht von vornherein offensichtlich instabil sind.
    Notes: Summary The equilibrium configurations of a deformable spinning satellite are investigated. The system is modelled by three interconnected rigid bodies, two of them having the characteristics of rigidified cables or beams. The equilibrium conditions and stability criteria of this particular system are provided by the multibody formalism. Using these conditions, all the equilibrium configurations which can not a priori be found to be unstable are determined.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00534487
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    On the stability of interconnected rigid bodies (1973)
    Springer
    Archive of applied mechanics 42 (1973), S. 360-370 
    Details
    ISSN: 1432-0681
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Description / Table of Contents: Übersicht Es werden die Bedingungen für das Gleichgewicht eines Systems von miteinander verbundenen starren Körpern aufgestellt, die sich auf einer Umlaufbahn befinden. Die Stabilitätsbedingungen für eine gegebene Gleichgewichtslage werden berechnet. Die Bewegungsgleichungen werden nach dem Vorbild von Roberson-Wittenburg abgeleitet und in einem körperfesten Zwischensystem ausgedrückt. Dank der Vorteile dieses Vorgehens kann die Stabilitätsanalyse verhältnismäßig einfach nach der Ljapunovschen Methode durchgeführt werden.
    Notes: Summary The aim of this paper is to determine conditions for equilibrium of an orbiting system of interconnected rigid bodies and to find the stability conditions for a given equilibrium configuration. The equations were expressed in a body mean frame and derived from the Roberson-Wittenburg formalism, the combination of the advantages of these methods leading to a rather simple stability analysis by use of the Liapunov technique.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00535762
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    Paper (German National Licenses)
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  • 4
    Electronic Resource
    Electronic Resource
    Contribution to symbolic analysis of deformable multi-body systems (1991)
    Chichester [u.a.] : Wiley-Blackwell
    International Journal for Numerical Methods in Engineering 32 (1991), S. 1621-1635 
    Details
    ISSN: 0029-5981
    Keywords: Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mathematics , Technology
    Notes: The aim of this paper is to present the equations of motion of deformable multi-body systems in a compact form which is suitable for symbolic generation. Particular attention is paid to obtaining the various equations corresponding to joint displacements and body deformations in a unified manner. A large number of common intermediate terms are identified and appropriately assembled in the final form of the equations; for the various applications, this simple consideration permits one to drastically save on the computational effort. This paper also presents the data which are necessary to completely formulate the problem when the body deformations are described by a linear elasticity model (obtained from a modal or finite element description).
    Additional Material: 2 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/nme.1620320807
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  • 5
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    On the equilibrium configuration of a particular three-body system (1975)
    Springer
    Details
    Publication Date: 1975-01-01
    Print ISSN: 0020-1154
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Springer
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    PAPER CURRENT
  • 6
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    On the stability of interconnected rigid bodies (1973)
    Springer
    Details
    Publication Date: 1973-01-01
    Print ISSN: 0020-1154
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Springer
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  • 7
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    Parameter estimation of fixed-distance joints (1999)
    Springer
    Details
    Publication Date: 1999-08-23
    Print ISSN: 0939-1533
    Electronic ISSN: 1432-0681
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Published by Springer
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  • 8
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    Attitude stability of deformable satellites (1968)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Attitude stability of deformable earth-pointing satellites
    Keywords: SPACE VEHICLES
    Type: NASA-CR-99486 , CNES INTERN. CONF. ON ATTITUDE EVOLUTION AND SATELLITE STABILIZATION; Oct 08, 1968 - Oct 11, 1968; PARIS
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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