Kinematic synthesis of adjustable RRSS mechanisms for multi-phase motion generation

Russell, Kevin; Sodhi, Raj S.

doi:10.1016/s0094-114x(01)00028-3

Cited by 35 publications

(10 citation statements)

References 4 publications

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“…Equations (4) and (5) ensure that the crank is orthogonal to the axes of both revolute joints. Equations (6) and (7) are unit vector constraints for the both revolute joint axes. Equation (8) ensures a fixed orientation of the fixed pivot joint axis and displaced moving pivot joint axis with respect to the crank link.…”

Section: Rrss Motion Generation With Branch and Order Defect Rectificmentioning

confidence: 99%

A Concept Cam Mechanism to Replicate RRSS Coupler Motion

D'Alessio

Shen²,

Russell

et al. 2013

JAMDSM

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Section: Rrss Motion Generation With Branch and Order Defect Rectificmentioning

confidence: 99%

A Concept Cam Mechanism to Replicate RRSS Coupler Motion

D'Alessio

Shen²,

Russell

et al. 2013

JAMDSM

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“…Several authors have made recent significant contributions in the area of RRSS mechanism analysis and synthesis (3)(4)(5)(6)(7)(8)(9)(10) . Noted contributions include Haijun et al (3,4) who classified the movement of the RRSS spatial linkage in terms of its link dimensions.…”

Section: Contributions To Rrss Mechanism Analysis and Synthesismentioning

confidence: 99%

“…Lee et al (6) developed the quadratic input-output relation and the associated mobility condition for the RRSS mechanism. Russell and Sodhi (7)(8)(9) presented an instant screw axis-based synthesis method for the RRSS mechanism (7) , multi-phase motion generation methods for the RRSS mechanism using precise prescribed rigid-body positions and rigid-body positions with tolerances (8,9) . Russell et al (10) also introduced a CAD-based method to simplify the synthesis of the R-R dyad for the design of RRSS mechanisms.…”

Section: Contributions To Rrss Mechanism Analysis and Synthesismentioning

confidence: 99%

On the Synthesis of Spatial RRSS Motion Generators with Prescribed Coupler Loads

Russell

Shen

Lee³

et al. 2009

JAMDSM

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This work extends the concepts and methodologies of Shen et al (1) and Al-Smadi et al (2) to synthesis of spatial RRSS motion generators with applied coupler loads. A general four-bar mechanism constraint that includes a coupler static load and a driver static torques is formulated using the principal of virtual work. This constraint is combined with the conventional RRSS motion generation model by Suh and Radcliffe (13) to form a nonlinear optimization problem from which RRSS mechanism solutions are calculated that approximate prescribed coupler poses and satisfy prescribed driver static torques for given coupler loads.

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“…In the area of adjustable linkages for motion generation, published work is somewhat limited (Ahmad and Waldron, 1979;Beaudrot, 1969;Bonnell and Cofer, 1966;Chang, 2001;Chuenchom and Kota, 1997;Funabashi et al, 1986;Handra-Luca, 1973;Kota and Chuenchom, 1990;McGroven and Sandor, 1973a, b;Russell and Sodhi, 2001;Russell and Sodhi, 2002;Shimojima et al, 1983;Shoup, 1984;Tao and Krishnamoorthy, 1978;Tao and Yan, 1979;Wang and Sodhi, 1996;Wilhelm and Sodhi, 1987;Wilhelm, 1989). Previous work includes the work of Ahmad and Waldron (1979), who developed a technique for synthesizing a four-bar linkage with adjustable driven fixed pivot.…”

Section: Reprintsmentioning

confidence: 99%

Kinematic Synthesis of Planar Four-Bar Mechanisms for Multi-phase Motion Generation with Tolerances

Sodhi

Russell²

2004

Mechanics Based Design of Structures and Machines

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This article presents a new technique for synthesizing planar four-bar mechanisms to achieve phases of both precise rigid body positions and rigid body positions with tolerances. This method is an extension of the adjustable RRSS motion generation synthesis methods developed by the authors. (Russell, K., Sodhi R. S. (2001). Kinematic synthesis of adjustable RRSS mechanisms for multi-phase motion generation. Journal of Mechanism and Machine Theory 36:939-952; Russell K., Sodhi R. S. (2002). Kinematic synthesis of adjustable ORDER REPRINTS RRSS mechanisms for multi-phase motion generation with tolerances. Journal of Mechanism and Machine Theory 37:279-294.)By incorporating rigid body point tolerances in the rigid body displacement matrices and calculating mechanism fixed and moving pivot solution loci for the prescribed rigid body positions under the tolerance limits, circle and center point regions were calculated. The circle and center points for the crank and follower link solutions for the planar four-bar mechanism were selected from these regions. In this article, two-phase moving pivot adjustment problems with constant crank and follower lengths are considered.

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Kinematic synthesis of adjustable RRSS mechanisms for multi-phase motion generation

Cited by 35 publications

References 4 publications

A Concept Cam Mechanism to Replicate RRSS Coupler Motion

A Concept Cam Mechanism to Replicate RRSS Coupler Motion

On the Synthesis of Spatial RRSS Motion Generators with Prescribed Coupler Loads

Kinematic Synthesis of Planar Four-Bar Mechanisms for Multi-phase Motion Generation with Tolerances

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