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Keywords: dynamics
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Journal Articles
Article Type: Research-Article
J. Mech. Des. September 2014, 136(9): 091008.
Paper No: MD-14-1086
Published Online: June 26, 2014
...Chiu-Fan Hsieh Fig. 17 Processed products of main parts: ( a ) pin design and ( b ) nonpin design Fig. 18 Experimental equipment Fig. 19 Comparison of torsion In this study, a system dynamics analysis model of a cycloidal speed reducer was developed...
Journal Articles
Article Type: Research-Article
J. Mech. Des. April 2014, 136(4): 041006.
Paper No: MD-13-1116
Published Online: February 26, 2014
... ) show results for model with variable friction coefficient, with constant friction of 0.02, and without friction, respectively, when profile error excitations are ignored In this paper, a dynamic model that included the friction and tooth profile error excitation for herringbone gears...
Journal Articles
Article Type: Research-Article
J. Mech. Des. December 2012, 134(12): 121003.
Published Online: October 19, 2012
... models of the rotor, and fluid and dynamics analyses are conducted to predict actual pump operation. The overall fluid analysis, which models both compressibility and cavitation, clearly illustrates the complexity of the fluid flow inside the pump. Comparisons of the results for three separate span angle...
Journal Articles
Article Type: Research Papers
J. Mech. Des. December 2007, 129(12): 1234–1242.
Published Online: January 12, 2007
...Himanshu Chaudhary; Subir Kumar Saha In order to compute the constraint moments and forces, together referred here as wrenches, in closed-loop mechanical systems, it is necessary to formulate a dynamics problem in a suitable manner so that the wrenches can be computed efficiently. A new constraint...
Journal Articles
Article Type: Research Papers
J. Mech. Des. October 2007, 129(10): 1064–1075.
Published Online: October 25, 2006
...Tanakorn Tantanawat; Sridhar Kota In this paper, we investigate power flow in compliant mechanisms that are employed in dynamic applications. More specifically, we identify various elements of the energy storage and transfer between the input, external load, and strain energy stored within...
Journal Articles
Article Type: Research Papers
J. Mech. Des. September 2006, 128(5): 1061–1069.
Published Online: November 30, 2005
... for certain types of applications. In this paper a new spatial three-degree-of-freedom tensegrity mechanism is developed and analyzed. Mathematical models of the kinematics, statics, and dynamics of the mechanism are generated. These models reveal several characteristics of the fundamental behavior...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. January 2005, 127(1): 144–149.
Published Online: March 2, 2005
...Fengfeng Xi; Ottavio Angelico and; Rosario Sinatra In this paper the tripod dynamics and its inertia effect is studied. The tripod design is becoming popular for the development of parallel kinematic machines (PKMs). The combination of a tripod with a gantry system forms a hybrid machine...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. November 2004, 126(6): 1089–1104.
Published Online: February 14, 2005
... Rotating Effects Dynamics Finite Element Method The spindle system is one of the most important parts of a machine tool since its dynamic properties directly affect the cutting ability of the machine tool. The dimensions of the spindle shaft, as well as the location and stiffness of the bearings...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. July 2005, 127(4): 637–645.
Published Online: August 27, 2004
...Richard Silversides; Jian S Dai; Lakmal Seneviratne This paper investigates the vibratory bowl feeder for automatic assembly, presents a geometric model of the feeder, and develops force analysis, leading to dynamical modeling of the vibratory feeder. Based on the leaf-spring modeling of the three...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. March 2004, 126(2): 341–350.
Published Online: May 5, 2004
...Wojciech Blajer In this paper some existing codes for the determination of joint reactions in multibody mechanisms are first reviewed. The codes relate to the DAE (differential-algebraic equation) dynamics formulations in absolute coordinates and in relative joint coordinates, and to the ODE...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. January 2004, 126(1): 191–196.
Published Online: March 11, 2004
... mechanism driven by a constant speed motor and a servo motor is also optimally designed. The harmonics in the servo motion are also reduced in the design to improve the dynamic characteristics for the servo motor. Contributed by the Mechanisms and Robotics Committee for publication in the JOURNAL...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. December 2003, 125(4): 845–847.
Published Online: January 22, 2004
...Wu Liangsheng This paper studies an inverse design problem of a general eigenvalue of a dynamic system where the elements of the rigidity and mass matrices are linear with respect to a design vector b . The coefficients of spring and mass of a lumped parameters structure, the length and width...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. December 2003, 125(4): 831–839.
Published Online: January 22, 2004
... applications are limited by dynamic errors that occur in CMMs. In this paper, the dynamic errors of coordinate measuring machines are analyzed theoretically and experimentally. The limited stiffness of air bearings were found to cause dynamic errors due to the existence of Abbe’s offsets. The characteristics...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. September 2003, 125(3): 509–517.
Published Online: September 4, 2003
...Charles W. Bert, Perkinson Chair Professor, Life Fellow ASME; Shiyuan Wu, Graduate Research Assistant, Torsional oscillations in mechanical power transmission systems are a significant source of dynamic loads which are harmful to the system performance. The effects can cause a drive shaft to become...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. September 2003, 125(3): 552–556.
Published Online: September 4, 2003
...Koichi Sugimoto The aim of this paper is to find out a computational procedure for the kinematic and dynamic analysis of a mechanism with multiple loops having motion spaces of a Lie algebra or Lie algebras. The basis of a motion space of the loop is determined such that it consists of passive...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. June 2003, 125(2): 365–372.
Published Online: June 11, 2003
... stresses of the gear tooth are analyzed at different rotation speeds, transmitted torques, and contact points. Then, the dynamic effects, the various critical points and the maximum tensile bending stresses are compared experimentally and theoretically, and discussed. Finally, the best approaches...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. June 2003, 125(2): 373–382.
Published Online: June 11, 2003
...Yuping Cheng, Mem. ASME; Teik C. Lim, Associate Professor, Mem. ASME The coupled translation-rotation vibratory response of hypoid geared rotor system due to loaded transmission error excitation is studied by employing a generalized 3-dimensional dynamic model. The formulation includes the effects...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. June 2003, 125(2): 383–393.
Published Online: June 11, 2003
...Manish Vaishya; Rajendra Singh Sliding friction between meshing teeth is one of the primary excitations for noise and vibration in geared systems. Yet, there exist very limited studies on this topic. This paper proposes new modeling strategies for incorporating friction in the dynamic analysis...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. March 2003, 125(1): 119–123.
Published Online: March 21, 2003
...Yue-Qing Yu; Jing Lin The dynamic balancing of flexible linkages, which is a challenging topic in the dynamics of mechanisms, is accomplished by active control with redundant drives for the first time in the present study. The mathematical modal and dynamic equations of flexible mechanisms...
Journal Articles
Article Type: Technical Papers
J. Mech. Des. December 2002, 124(4): 633–641.
Published Online: November 26, 2002
...Shih-Tin Lin, Professor; Jiann-Nan Huang, Graduate Research Assistant The dynamic equations of motion of the constrained multibody mechanical system are mixed differential-algebraic equations (DAE). The DAE systems cannot be solved using numerical integration methods that are commonly used...