... kinematics differential evolution dimensional optimization design computer-aided design design optimization mechanism theory robot design The parallel mechanism (PM) consists of a moving platform, a fixed platform, and two or more branches connecting the two platforms. Compared with series...

...-degree-of-freedom finger drive implementation is proposed. Second, numerical analysis is carried out to investigate and validate the kinematic characteristics through a computer-aided design model. In order to evaluate the performance of the gripper, the mapping relationship between key design parameters...

... of the finger four-bar linkage (Ref. [29], Fig. 2(a)), and (d) four-bar linkage in the limit state finger extension for index finger (Ref. [30], Fig. 11(b)]. Fig. 4 Kinematic models of the combined configurations (Ref. [ 31 ], Fig. 6) Kinematic models of the combined configurations (Ref. [31], Fig. 6...

... load threshold design visualization kinematics References [1] Schenk , M. , Viquerat , A. D. , Seffen , K. A. , and Guest , S. D. , 2014 , “ Review of Inflatable Booms for Deployable Space Structures: Packing and Rigidization ,” J. Spacecr. Rockets , 51 ( 3 ), pp...

.... A mathematical model is established including forward, inverse, and differential kinematics, which is collapsed into the standard state-space equations. The relationship between the spherical workspace of a 3-RRR rigid-flexible coupling mechanism and the size of its orientation transformations is analyzed. Due...

[email protected] Email: [email protected] Contributed by the Mechanisms and Robotics Committee of ASME for publication in the J ournal of M echanical D esign . 09 10 2024 21 01 2025 30 01 2025 26 02 2025 compliant mechanisms kinematics National Natural Science...

... customizable sit-to-stand (STS) mechanical device by integrating rigid body kinematics with machine learning. Unlike traditional mechanism synthesis approaches that primarily focus on limited functional requirements, such as path or motion generation, our proposed design pipeline efficiently generates a large...

... than available synthesis methods. Email: [email protected] Email: [email protected] Email: [email protected] 1 Corresponding author. Email: [email protected] 23 11 2023 01 07 2024 05 07 2024 31 07 2024 Graphical Abstract Figure kinematic...

...Valentin Le Mesle; Vincent Bégoc; Sébastien Briot Delta-like architectures are widely used for fast pick-and-place applications. When rotational degrees-of-freedom are required to perform a task, one or more UPU kinematic chains are usually added to transmit the torques from motors located...

... at any location and maximizes the effective area of the unfolded state. The proposed method is applicable not only to 2D folding but also to a generic flat-foldable degree-4-vertex (D4V) pattern. The pattern's thickness-accommodated configuration to avoid self-intersection is determined through kinematic...

... 2022 29 04 2023 01 05 2023 18 05 2023 SLPM origami robot flexible hinge design simulation design of machine elements design optimization kinematics parallel robots robot design robot kinematics spring design springs structural optimization National Natural...

... an initial state to one or multiple target states with a single kinematic degrees-of-freedom. Thus, the deformations of a structure can be fully controlled by controlling a single input node for every state. Since the structures are designed at the verge of kinematic determinacy, they become statically...

... actuator. First, the influences of the angular relationship between the knuckles and working stroke of the knuckles on the actual grasping range of the finger were evaluated, and the kinematic analysis of the knuckle was performed using the closed-loop vector method. Next, an optimization design method...

... branches are constructed by implementing different reconfiguration constraints, respectively, and corresponding kinematic paths are described by employing the specific angle between axes of joints. Furthermore, these evolved motion branches of this metamorphic linkage provide novel examples of mobile...

... uncertainty industrial robot kinematics reliability in design robot kinematics uncertainty analysis Through the marginal focal elements and the corresponding BPAs of each evidence variable, the joint focal elements can be defined by Cartesian product as follows: (24) { Y I ( k 1...

... gained popularity due to their portability and simplicity. Existing synthesis methods for 1-DOF mechanisms focus primarily on computing the optimal mechanism dimensions such that kinematic error between the task and the mechanism output is minimized. In cases where the kinematically feasible solutions...

...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...

... the joint was removed are still kinematically defined and cannot move relative to each other. Figure 9 shows a general case of two internal vertices (A and B) where the joint between them can be removed. Fig. 9 Adjacent general vertices, A and B, of any degree, connected by a fold line...

...-assistance exosuit. In Fig. 2 , results based on kinematic data collected in Ref. [ 28 ] for subject 29 in overground, comfortable speed walking were used to reconstruct gait. It is clear that a design philosophy based on a number of reduced quantities, the so-called synergies, can yield very interesting...

... under steady-state operations showed that the maximum input torque, maximum power transmission, and maximum efficiency were 20.9 ± 0.18 N m, 1.0 kW, and 79.8%, respectively. 07 02 2022 18 04 2022 24 04 2022 24 05 2022 computational kinematics conceptual design continuously...