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Keywords: torque
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Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. December 2011, 133(12): 124501.
Published Online: December 9, 2011
... using standard identities in spherical geometry. The resulting dynamic model then informs a basic conceptual design optimization, which object is intended to reduce induced driveline vibrations, when the coupling is articulated at nonzero angles of torque transmission. 19 11 2009 14 09 2011...
Journal Articles
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. September 2011, 133(9): 091004.
Published Online: September 9, 2011
.... It was shown that axial thrust force always exists because of the torsional pendulum torque acting on the long planet. Experimental test for a compound planetary spur gear was taken to study axial thrust force and validate the theory calculation. 02 06 2010 26 07 2011 09 09 2011 09 09 2011...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. May 2011, 133(5): 051006.
Published Online: June 6, 2011
...) and an adhesive strength generated at their coupling surfaces. Total interface forces allow the transmission of a high torque moment and/or a high axial force with respect to the joint dimension so that hybrid joints are demonstrated to be a smart solution for lightweight structures. This paper investigates...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. April 2011, 133(4): 041006.
Published Online: May 18, 2011
...Francesco Sorge; Marco Cammalleri A very common configuration of V-belt variators for motorcycles considers the correction of the belt tensioning depending on the resistant torque by means of suitable helical-shaped tracks allowing the driven half-pulleys to close/open. The theoretical model...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. December 2010, 132(12): 121011.
Published Online: December 14, 2010
...José A. Vilán Vilán; Abraham Segade Robleda; Marcos López Lago; Enrique Casarejos Ruiz The split torque gearbox is a practical solution to the transmission of high torques with the lowest possible weight. In this article, we perform the mathematics necessary to calculate possible solutions...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. May 2010, 132(5): 051004.
Published Online: April 30, 2010
... torque is generated at the output of the CVT, commensurate with the operating condition of the transmission, and this is capable of overcoming a torque resistance. A prototype of this transmission was built and tested to check the experimental results against those predicted by a series of computational...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. January 2010, 132(1): 011009.
Published Online: December 31, 2009
...Essam L. Esmail; Shaker S. Hassan This study contributes to the development of a systematic methodology for the torque and power-flow analyses of multi-input multi-output (MIMO) epicyclic gear mechanisms (EGMs) with or without reaction link based on the concept of fundamental circuit. The studies...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. January 2010, 132(1): 014503.
Published Online: December 30, 2009
... of tolerance and load to the value of K γ . Others have done significant works on the subject of load sharing among planets; a brief review of that work is presented. This work calculates a useful value of K γ directly from design tolerance values and the torque applied to the carrier, and other factors...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. November 2009, 131(11): 114501.
Published Online: October 6, 2009
... stiffness and bearing compliance, and the work from input torque. From the resultant governing equations, the natural frequencies and modes of interest are calculated, and the effect of bearing stiffness on those modes is examined. The rotational vibrations of the sun gears as well as the tooth contact...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. October 2009, 131(10): 101005.
Published Online: September 3, 2009
... optimal and time-energy optimal motions for a rigid servomotor driven system under torque constraints. Based on these three case studies, the convex programming framework of the companion paper is extended with the following generic aspects: (i) a bisection to generate time optimal motions, (ii) a direct...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. August 2009, 131(8): 084502.
Published Online: July 9, 2009
...Glen Mullineux An important part of some packaging cartons is the crash-lock base. A recent investigation of the torque required for its erection has made some linearizing assumptions. It is here shown that these can be avoided as the relations connecting the angles between panels can be found...
Journal Articles
Publisher: ASME
Article Type: Technical Briefs
J. Mech. Des. July 2009, 131(7): 074504.
Published Online: June 23, 2009
...A. V. Olver It has been widely observed that the mass (or weight) and cost of geared transmission systems is a relatively simple function of the maximum continuous torques to be transmitted. This fact may be used to derive simple design tools, which allow rapid comparison of the size and mass...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2009, 131(7): 071004.
Published Online: June 4, 2009
...Clive L. Dym The spring rates of a coiled helical spring under an axial force and an axially directed torque are derived by a consistent application of Castigliano’s second theorem, and it is shown that the coupling between the two loads may not always be neglected. The spring rate...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. May 2009, 131(5): 051001.
Published Online: April 3, 2009
...Daniel Wehrwein; Zissimos P. Mourelatos Quality and performance are two important customer requirements in vehicle design. Driveline clunk negatively affects the perceived quality and must be minimized. This can be achieved using engine torque management, which is part of engine calibration. During...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. July 2008, 130(7): 072302.
Published Online: May 20, 2008
... including weight optimization and proper component selection. Moreover, the simulation enabled us to define motor torque requirements and maximize end-effector payload capacity for different robot configurations. Visualization of the mobile robot on different types of virtual terrains such as flat roads...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. June 2008, 130(6): 062305.
Published Online: April 15, 2008
...Ian S. Fischer The components of force and torque acting on a joint of a link in static equilibrium are partitioned according to the type of joint so that the equations of static equilibrium can be set up automatically by computer where the type of each joint has been specified in the input data...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. February 2008, 130(2): 022307.
Published Online: January 2, 2008
... vibration, resulting in premature failure. This problem is tackled through addition of an auxiliary, input torque balancing mechanism: A centrifugal pendulum, of which the pendulum motion is imposed by an internal cam. While earlier work by the same authors focused on the design, optimization...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. November 2007, 129(11): 1161–1169.
Published Online: November 15, 2006
... the poses of constrained force∕torque and active∕constrained force matrix are derived. Second, the formulae for solving extension of active legs, the auxiliary velocity∕acceleration equation are derived. Third, the formulae for solving inverse∕forward velocity and acceleration and a Jacobian matrix without...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Mech. Des. March 2007, 129(3): 326–333.
Published Online: February 28, 2006
... into one set of “motion feedback,” by replacing the force errors with virtual motion quantities, or one set of “force feedback,” by replacing motion errors with virtual force quantities. The joint torques are adjusted based on this combined feedback package. Since only Jacobian of direct kinematics...