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Căutare avansată   Căutare mecanism

Metodología de síntesis óptima dimensional de mecanismos incluyendo objetivos de posición y velocidad
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Informaţii generale
Autor de Juan, Ana
Publicat  Universidad de Cantabria, Santander, Spain, 2011
Ediţie  
Detaliază  
ISBN
Collections
Publicaţii ştiinţifice
2000 şi ulterior
Imagini
 
System flow chart of the mechanism design process
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Difference between a global and a local optimum.
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Flow chart for the optimization methods based on the gradient.
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Variation of the aim function along the fall direction
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Hoekens mechanism
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Mixted and natural coordinates.
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Flow chart of the optimization process.
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Kinematic definition of the articulated quadrilateral
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Initial mechanism with desired and obtained trajectories
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Mechanism after optimization process
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Flow diagram for the optimization process.
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ESF as unimodal function.
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Flow diagram of the calculus of advance modulus of the ESF using the gradient method.
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Delimitation of the minimum of the avance modulus using the golden method.
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Delimitation of the minimum of the avance modulus
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Convergence of the minimum using the golden method.
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Kinematic definition of the Ackermann direction mechanism.
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Desired structural error for the pinion and rack mechanism.
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Flow chart of the convergence of the minimum in the calculus of the advance modulus using the golden method.
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Flow chart of the calculus of the advance modulus using the accelerated method.
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Quadratic interpolation of the ESF.
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Flow chart of the calculus of the advance modulus using the quadratic interpolation method.
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Possible situations for the adjustment of the parabola of the ESF.
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Armijo rule.
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Flow chart of the calculus of the advance modulus using the Armijo rule.
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Optimum mechanisms with several advance modules.
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Comparative of the results with different advance modulus.
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Detection and correction of defects during the calculus of the synthesis error.
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Rectangular articulated quadrilateral.
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Fisrt singular position of the rectangular quadrilateral.
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Determinant of the Jacobian of the rectangular quadrilateral
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First branch of the first singular position of the rectangular quadrilateral
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Determinant of the Jacobian in the first branch of the first singular position
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Second branch of the first singular position of the rectangular quadrilateral
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Determinant of the Jacobian in the second branch of the first singular position of the rectangular quadrilateral
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Constant branch.
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Determinant of the Jacobian in the constant branch.
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Initial mechanism to be optimizated.
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Initial desired error in the optimization of a mechanism.
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Final mechanism after an optimization process
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Final structural error after an optimization process.
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Desired and obtained trajectories of a mechanism.
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Desired and obtained trajectories after positioning in a better way the mechanism
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Flow chart of the trasnlation and rotation of the mechanism.
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Final mechanism with the strategies of translation and rotation
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Final ESF with translation and rotation strategies.
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Flow chart of the integrated optimization process
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Optimum mechanism with different advance modulus for integrated optimization
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Development of the ESF with different advance modulus for integrated optimization.
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Comparative of the results with integrated optimization.
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Ackermann condition.
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Rotation of the left wheel depending on the rotation of the right one
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Input and output struts linked to the wheels
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Vehicle steering mechanisms
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Kinematic description of the rack and pinion mechanism.
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Kinematic description of the six bars mechanism.
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Final structural error comparison for the pinion and rack mechanism.
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Final structural error comparison for the Ackermann direction mechanism.
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Final structural error comparison for the central crowbar mechanism.
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Kinematic definition of the spatial pinion and rack
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Pinion and rack mechanism after optimization process
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Structural error of the spatial pinion and rack.
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Structural error function of the spatial pinion and rack.
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Transmission angles for the direction mechanisms.
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Optimum solutions for the articulated quadrilateral
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Transmission angles for an optimized pinion and rack mechanism
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Optimized pinion and rack mechanism.
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Structural error for the Ackermann mechanism.
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Transmission angles for the optimized direction Ackermann mechanism
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Optimized direction Ackermann mechanism
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Structural error of the optimized central crowbar mechanism
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Transmission angles for the optimized central crowbar mechanism
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Optimized central crowbar mechanism
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Flow chart of the optimization process
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Kinematic definition of the articulated quadrilateral
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Articulated quadrilateral and generated velocities
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Articulated quadrilateral after optimization.
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ESF of the articulated quadrilateral. Coordination approach.
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Articulated quadrilateral after optimization.
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ESF of the articulated quadrilateral. Approach without coordination.
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Flow chart of the optimization process
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Kinematic definition of the mechanism with 1 order objetives.
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Final mechanism with 0 and 1 order objetives
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ESF of the process with 0 and 1 order objetives. Caracteristic time.
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Initial and final velocities for the process with 0 and 1 order objetives
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Final mechanism with 0 and 1 order objetives with adimensional terms
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Process ESF with 0 and 1 order objetives with adimensional terms.
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Initial and final velocities with 0 and 1 oreder objetives with adimensional terms
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Kinematic definition of the suspension mechanism.
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Modelization of a schock absorber using a prismatic joint.
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Initial suspension mechanism to be optimized.
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Final suspension mechanism after being optimized.
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Evolution of the ESF during the optimization of a suspension mechanism.
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Initial, final and desired synthesis errors
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Kinematic definition of the fast return mechanism
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Desired velocity depending on the crank rotation
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Evolution of the ESF during the optimization of a fast return mechanism.
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Initial and final synthesis error during the optimization of a fast return mechanism
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Fast return mechanism
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Comparison of solutions for pinion rack mechanism.
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Comparison of results for the Ackermann direction mechanism.
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Comparativa de soluciones para el mecanismo de palanca central.
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Permanent links
DMG-Lib FaviconDMG-Lib https://www.dmg-lib.org/dmglib/handler?docum=24371009
Europeana FaviconEuropeana  http://www.europeana.eu/portal/record/2020801/dmglib_handler_docum_24371009.html
Data provider
UBCUniv. Basque C.  http://www.ehu.es/compmech/welcome/Home.html
Administrative information
Time of publication 2011

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