Results 11 to 20 of about 1,876,013 (306)

A Theory of Simplicity in Games and Mechanism Design [PDF]

open access: yesSSRN Electronic Journal, 2021
We study extensive‐form games and mechanisms allowing agents that plan for only a subset of future decisions they may be called to make (the planning horizon). Agents may update their so‐called strategic plan as the game progresses and new decision points enter their planning horizon.
Pycia, Marek, Troyan, Peter
openaire   +3 more sources

Kinematic Optimization Design and Performance Simulation of Novel 5-DOF Parallel Machining Robots with Spatial Layout

open access: yesMachines, 2022
High efficiency and precision machining of complex components with spatial free-form surface features is facing significant scientific challenges, which put forward higher requirements for the design of machining equipment.
Ruoyu Wang   +3 more
doaj   +1 more source

Research on the Error Averaging Effect in A Rolling Guide Pair

open access: yesChinese Journal of Mechanical Engineering, 2019
By studying the effects of geometric precision on kinematic accuracy, an error mapping model has been established, based on the hypothesis that a motion pair and its installation surface are rigid.
Yanbing Ni   +3 more
doaj   +1 more source

Friction Prediction and Validation of a Variable Stiffness Lower Limb Exosuit Based on Finite Element Analysis

open access: yesActuators, 2021
The variable stiffness exosuit has great potential for human augmentation and medical applications. However, the model of the variable stiffness mechanism in exosuits is far from satisfactory for the accurate prediction and control of friction force ...
Zhuo Ma   +3 more
doaj   +1 more source

A Survey of Mathematical Tools in Topology and Performance Integrated Modeling and Design of Robotic Mechanism

open access: yesChinese Journal of Mechanical Engineering, 2020
Topology and performance are the two main topics dealt in the development of robotic mechanisms. However, it is still a challenge to connect them by integrating the modeling and design process of both parts in a unified frame.
Xinming Huo   +4 more
doaj   +1 more source

Societal Change and Values in Arab Communities in Israel: Intergenerational and Rural–Urban Comparisons [PDF]

open access: yes, 2014
This study tested and extended Greenfield’s theory of social change and human development to adolescent development in Arab communities in Israel undergoing rapid social change. The theory views sociodemographic changes—such as contact with an ethnically
Ganayiem, M   +4 more
core   +1 more source

A General Pose Recognition Method and Its Accuracy Analysis for 6-Axis External Fixation Mechanism Using Image Markers

open access: yesMachines, 2022
The 6-axis external fixation mechanism with Gough-Stewart configuration has been widely applied to the correction of long bone deformities in orthopedics.
Sida Liu   +3 more
doaj   +1 more source

Deformation analysis and hole diameter error compensation for hybrid robot based helical milling

open access: yesJournal of Advanced Mechanical Design, Systems, and Manufacturing, 2019
As an innovative machining process for hole-making, helical milling (also known as orbital drilling) presents great potential in machining aircraft structures due to temperature and cutting force reduction, flexible kinematics, and improved borehole ...
Hao LI   +4 more
doaj   +1 more source

System Design of a Novel Minimally Invasive Surgical Robot That Combines the Advantages of MIS Techniques and Robotic Technology

open access: yesIEEE Access, 2020
Existing minimally invasive surgical (MIS) robots are generally large, complex and expensive, which greatly increases the operation cost and limits the applications of MIS robot technology.
Huaifeng Zhang   +3 more
doaj   +1 more source

Chatter Prediction for Variable Pitch and Variable Helix Milling

open access: yesShock and Vibration, 2015
Regenerative chatter is a self-excited vibration that can occur during milling, which shortens the lifetime of the tool and results in unacceptable surface quality.
Yong Wang   +5 more
doaj   +1 more source

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