...-world dynamic systems requires a thorough understanding of uncertainties and how their impact can be captured. Since the first step is defining the UCCD problem of interest, this article aims at addressing some of the limitations of the current literature by identifying possible sources of uncertainties...

... on the design aspects of the mechanics and dynamics of rotating machinery with a particular emphasis on bearings, seals, viscoelastic seals and dampers, tribology, rotordynamics, and diagnosis. Several of his research have been published in the Journal of Tribology [ 128 , 129 ] and other journals. He served...

...Chiu-Fan Hsieh In this paper, the dynamic analysis was carried out by theoretical calculation (using the math model in Sec. 2.3 ) and simulation using SolidWorks COSMOS. Assuming an input power of 0.18 kW, the rotational speed is 1640 rpm (i.e., 9840 deg/s) and the input torque 1.048 N m...

... In this paper, a dynamic model that included the friction and tooth profile error excitation for herringbone gears was proposed. This model could be used in the dynamic analysis of a variable speed process. From the numerical simulation of the dynamic model, the following conclusions were obtained: 1...

... 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...

...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...

...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...

... 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...

...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...

... bearings rotation frequency response finite element analysis Spindle Angular Contact Ball Bearing 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...

...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...

...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...

... 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...

...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...

... 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...

...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...

...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...

... 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...

...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...

...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...