Studies on the Geared Linkage Mechanisms : 1st Report, Classification and Analysis of Geared Four-Bar Linkage
نویسندگان
چکیده
منابع مشابه
Applications of Various Control Schemes on a Four-Bar Linkage Mechanism Driven by a Geared DC Motor
Four-bar linkage mechanisms are of interest for many specialists in the academia and industry. However, it is one of the mechanisms that is highly nonlinear and exhibits complex behavior. Therefore, it is difficult to model and control their dynamic responses. In this paper, various control schemes are explored and tested on the four-bar mechanism to investigate the dynamical performance under ...
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In order to solve the limitation of cylindrical geared linkage in trajectory realization, this paper make the non-circular gear pair and double crank hinge five-bar as closed combination, and to probe the feasibility and method of designing non-circular gear based on the given position points in five-bar linkage trajectory region. The discrete rotation angle sequences of non-circular gear pair ...
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In practice, clearances in the joints are inevitable due to tolerances, and defects arising from design and manufacturing. In the presence of clearance at a joint, a mechanism gains some additional, uncontrollable degrees of freedom which are the source of error. Moreover, joints undergo wear and backlashes and so cannot be used in precision mechanisms. In this study, the dynamic behaviour of ...
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Backlash is a common fault that occurs in geared mechanisms, and can produce inaccuracy or uncontrollability of the mechanism. It is shown that, by modeling backlash as microscopic impact, its presence can be detected and possibly measured using only simple sensors. The first stage of modeling establishes the need for the use of nonlinear elastic and damping forces in establishing the gear-teet...
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Rotor dynamics plays an important role in many engineering fields such as gas turbine, steam turbine, reciprocating and centrifugal compressors, the spindle of machine tools, and so on. Owing to the growing demands for high power, high speed, and light weight of the rotor-bearing system, computations of critical speeds and steady-state response at synchronous and sub critical resonances become ...
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ژورنال
عنوان ژورنال: Bulletin of JSME
سال: 1974
ISSN: 0021-3764,1881-1426
DOI: 10.1299/jsme1958.17.1332