[PDF][PDF] 机构学中机构重构的理论难点与研究进展——变胞机构演变内涵, 分岔机理, 设计综合及其应用

康熙, 戴建生 - 中国机械工程, 2020 - qikan.cmes.org
生产力发展与工程技术革新要求机构具备可自重组与可重构及“一机多用” 的功能,
以满足复杂工况需求. 可重构机构具有可变活动度和可变构态, 可以满足多任务 …

Computational simulations for aortic coarctation: representative results from a sampling of patients

JF LaDisa, C Alberto Figueroa… - 2011 - asmedigitalcollection.asme.org
Treatments for coarctation of the aorta (CoA) can alleviate blood pressure (BP) gradients (Δ),
but long-term morbidity still exists that can be explained by altered indices of hemodynamics …

Type synthesis of 3-DOF parallel manipulators with both a planar operation mode and a spatial translational operation mode

X Kong - Journal of Mechanisms and Robotics, 2013 - asmedigitalcollection.asme.org
Type synthesis of multimode parallel manipulators (PMs)(also parallel manipulators with
multiple operation modes) is an open issue in the research on reconfigurable mechanisms …

Lie group based type synthesis using transformation configuration space for reconfigurable parallel mechanisms with bifurcation between spherical motion and planar …

J Wei, JS Dai - Journal of Mechanical Design, 2020 - asmedigitalcollection.asme.org
This paper investigates novel reconfigurable parallel mechanisms with bifurcation between
planar subgroup SE (2) and rotation subgroup SO (3) based on a transformation …

Structural synthesis and analysis of serial–parallel hybrid mechanisms with spatial multi-loop kinematic chains

Q Zeng, Y Fang - Mechanism and Machine Theory, 2012 - Elsevier
This paper presents a novel method of structural synthesis and analysis of serial–parallel
hybrid mechanisms with spatial multi-loop kinematic chains based on the displacement …

Reconfiguration-aimed and manifold-operation based type synthesis of metamorphic parallel mechanisms with motion between 1R2T and 2R1T

J Wei, JS Dai - Mechanism and Machine Theory, 2019 - Elsevier
This paper presents a novel approach for synthesizing metamorphic parallel mechanisms
with an ability of reconfiguring motion between 1R2T and 2R1T based on quotient operation …

Type synthesis of a special family of remote center-of-motion parallel manipulators with fixed linear actuators for minimally invasive surgery

Q Li, J Marie Hervé, P Huang - Journal of …, 2017 - asmedigitalcollection.asme.org
Remote center-of-motion (RCM) parallel manipulators (PMs) are fit for robotized minimally
invasive surgery (MIS). RCM PMs with fixed linear actuators have the advantages of high …

[PDF][PDF] Theoretical difficulties and research progresses of mechanism reconfiguration in mechanisms—evolution connotation, furcation principle, design synthesis and …

康熙, 戴建生 - China Mechanical Engineering, 2020 - qikan.cmes.org
The development of productivity and the innovation of engineering technology required
mechanisms to have the multi-function of self-reorganization and reconfiguration to meet the …

Design of a novel 4-DOF kinematotropic hybrid parallel manipulator

Q Zeng, Y Fang, KF Ehmann - 2011 - asmedigitalcollection.asme.org
This paper presents a novel 4-DOF kinematotropic hybrid parallel manipulator. The
topological structure allows for the realization of two translatory and two rotary output …

Type synthesis of two-degrees-of-freedom 3-4R parallel mechanisms with both spherical translation mode and sphere-on-sphere rolling mode

X Kong, J Yu - Journal of Mechanisms and Robotics, 2015 - asmedigitalcollection.asme.org
Parallel manipulators (PMs) with multiple operation modes are novel reconfigurable PMs,
which use less number of actuators and can be reconfigured without disassembly. This …