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Keywords: kinematics
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Journal Articles
Article Type: Technical Briefs
J. Mech. Des. November 2022, 144(11): 114502.
Paper No: MD-22-1049
Published Online: August 9, 2022
...Wen-ao Cao; Peng Cheng This paper presents a novel deployable antenna mechanism for synthetic aperture radar (SAR) satellites. First, the topological structure of the new deployable mechanism is designed based on the five conditions expected to be satisfied. Then, the kinematic model of the new...
Journal Articles
Article Type: Research Papers
J. Mech. Des. October 2022, 144(10): 103301.
Paper No: MD-21-1491
Published Online: June 30, 2022
... 21 03 2022 30 06 2022 kinematics linkages reliability in design Air Force Office of Scientific Research 10.13039/100000181 FA9550-19- 1-0290 FA9550-19- 1-0290 Origami, the ancient art of paper folding, has inspired many engineering designs from many different...
Journal Articles
Article Type: Research Papers
J. Mech. Des. October 2022, 144(10): 103302.
Paper No: MD-21-1746
Published Online: June 30, 2022
... for flexion–extension angles, segment angles, and cable extensions for the chosen population. conceptual design design optimization design theory and methodology kinematics medical and biodesign of mechanisms and robotics multidisciplinary design and optimization Ministerio de Ciencia e...
Journal Articles
Article Type: Research Papers
J. Mech. Des. August 2022, 144(8): 083401.
Paper No: MD-22-1080
Published Online: May 24, 2022
... engagement is zero. As mentioned in Sec. 2 , the direction of OWCs satisfies the relation θ ˙ i ≤ θ ˙ m ≤ θ ˙ o . Accordingly, we set the assumption behavior of the OWC on the basis of the kinematic model, as shown in Eqs. (3 b ) and (3 c ) Fig. 3...
Journal Articles
Article Type: Research Papers
J. Mech. Des. June 2022, 144(6): 063303.
Paper No: MD-21-1224
Published Online: February 15, 2022
... mechanism. Here, position kinematics of the proposed mechanism, including the workspace, is analyzed in detail, and a solution to the parasitic motion problem is provided. Human-in-the-loop simulations with a haptic interface are also performed to confirm the feasibility of the proposed design...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2022, 144(1): 013301.
Paper No: MD-21-1108
Published Online: July 19, 2021
... and stability benefit of the structure but also to reduce the wheel slip. After that, through the flexible kinematic model based on screw theory, characteristics such as leveling ability and surface profile accessibility of the chassis are analyzed. The minimum accessible radius is obtained as 3088 mm...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. December 2021, 143(12): 124502.
Paper No: MD-20-1679
Published Online: July 19, 2021
...Wen-ao Cao; Sheng Xi; Huafeng Ding; Ziming Chen This paper aims to present the topological structure design and kinematic analysis of a novel double-ring truss deployable satellite antenna mechanism. First, a new topological scheme and a new rectangular prism deployable linkage unit are proposed...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2021, 143(11): 113301.
Paper No: MD-20-1871
Published Online: May 6, 2021
... to construct the network are derived by investigating the kinematic compatibility, kinematics is carried out to show the relationships among all Bennett linkages, and the discussion on the design parameter shows the extensibility and the deploying performance, which is validated by two physical prototypes...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. September 2021, 143(9): 094501.
Paper No: MD-20-1519
Published Online: March 24, 2021
...-blocks, origami, and mechanisms, which proposes a set of novel reconfigurable mechanisms as ori-blocks. As spatial linkages have been widely used in a broad range of technical fields, we anticipate that ori-blocks will find several potential applications owing to their kinematics in reconfigurability...
Journal Articles
Article Type: Research Papers
J. Mech. Des. August 2021, 143(8): 083303.
Paper No: MD-20-1613
Published Online: February 9, 2021
... to investigate rigid–flexible coupling dynamics. The elastic deformation of the wing membrane, kinematic characteristics of the linkage mechanism, and modes of the whole system are calculated. Static analysis of the structure reveals that the foldable wing has excellent stiffness characteristics and load-bearing...
Journal Articles
Article Type: Research Papers
J. Mech. Des. August 2021, 143(8): 083302.
Paper No: MD-20-1511
Published Online: February 5, 2021
... have curved links. Because the kinematics of the links depend on the distance between pin joints, the rigid link may take on any shape, as in Fig. 1 . For clarity, in this work, we will refer to the straight lines as r i and the curved links as links. Fig. 1 Examples of the three classes...
Journal Articles
Article Type: Research Papers
J. Mech. Des. February 2021, 143(2): 023403.
Paper No: MD-19-1887
Published Online: September 3, 2020
... supplements for the rotor nonlinear analysis. stiffness and stiffness fluctuation VC vibration internal clearance load conditions design for manufacturing design of machine elements kinematics machine theory Ball bearing is widely used in various kinds of mechanical systems for its low...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2021, 143(1): 011703.
Paper No: MD-19-1839
Published Online: July 27, 2020
... , “ Architected Origami Materials: How Folding Creates Sophisticated Mechanical Properties ,” Adv. Mater. , 31 ( 5 ), p. 1805282 . 10.1002/adma.201805282 [31] Chen , Y. , Yan , J. , and Feng , J. , 2019 , “ Geometric and Kinematic Analyses and Novel Characteristics of Origami-Inspired...
Journal Articles
Article Type: Research Papers
J. Mech. Des. January 2021, 143(1): 013301.
Paper No: MD-20-1088
Published Online: July 27, 2020
... on closed-loop cable transmissions. The concept is to utilize several coupled cable transmissions to constrain a serial kinematic chain. Through the analysis and determination of the transmission ratios for these cable transmissions, a class of planar 2DOF RCM mechanisms without any active or passive...
Journal Articles
Article Type: Research Papers
J. Mech. Des. November 2020, 142(11): 113302.
Paper No: MD-19-1885
Published Online: June 15, 2020
... and methodology kinematics mechanism theory Mobility analysis is essential and important in the design process to ensure foldability of origami mechanisms. Although many effective methods have been proposed to analyze the mobility of general mechanisms, such as the general Grübler–Kutzbach (G-K...
Journal Articles
Article Type: Research Papers
J. Mech. Des. October 2020, 142(10): 103301.
Paper No: MD-19-1668
Published Online: April 2, 2020
..., and the characteristic of the straight-line motion of the linkage is verified by checking the output twist of the end platform. Then, the kinematic model of the mechanism is established based on the conditions of the straight-line motion and the single DOF. Finally, several potentially typical applications...
Journal Articles
Article Type: Research Papers
J. Mech. Des. July 2020, 142(7): 073301.
Paper No: MD-19-1512
Published Online: February 14, 2020
... on the motion profile, t j , i ( u ) is the j th cable tension at the i th discrete point, and t ¯ j ( u ) is the average value of the j th cable tension over the entire motion profile. cable-driven robots B-splines trajectory planning pick-and-place path kinematics parallel...
Journal Articles
Article Type: Research Papers
J. Mech. Des. March 2020, 142(3): 031103.
Paper No: MD-19-1363
Published Online: November 12, 2019
...-inertial system (ENIS). In order to investigate the dynamic behavior of the PGT in a compound NIS, the kinematic equations of various components in arbitrary spatial motion state of the airframe are deduced. Subsequently, the coupled dynamics model of PGT in NIS is improved. The dynamic responses of PGT...
Journal Articles
Article Type: Technical Briefs
J. Mech. Des. April 2020, 142(4): 044502.
Paper No: MD-19-1204
Published Online: November 4, 2019
...Dequan Zhang; Xu Han Kinematic reliability of robotic manipulators is the linchpin for restraining the positional errors within acceptable limits. This work develops an efficient reliability analysis method to account for random dimensions and joint angles of robotic mechanisms. It aims...
Journal Articles
Article Type: Research-Article
J. Mech. Des. November 2018, 140(11): 113501.
Paper No: MD-17-1599
Published Online: September 7, 2018
... methodology Design of innovative devices design of machine elements Design optimization Design process Design theory Kinematics Smart materials Systems engineering Structures Design methodology Dielectric elastomers (DE) belong to the family of electro-active polymers. They consist...