Guochao Bai

Guochao Bai
Université de Montréal | UdeM · Department of Computer Science and Operations Research

PhD, http://bgch2006.wix.com/guochaobai

About

14
Publications
8,396
Reads
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85
Citations
Citations since 2016
5 Research Items
77 Citations
2016201720182019202020212022024681012
2016201720182019202020212022024681012
2016201720182019202020212022024681012
2016201720182019202020212022024681012
Additional affiliations
May 2018 - present
Imperial College London
Position
  • Research Associate
November 2017 - May 2018
Université de Montréal
Position
  • PostDoc Position
November 2014 - July 2016
Heriot-Watt University
Position
  • PhD Student

Publications

Publications (14)
Article
Full-text available
(This is an open access publication which can be accessed from http://mechanismsrobotics.asmedigitalcollection.asme.org/article.aspx?articleid=2599272 ) In recent years, applications in industrial assemblies within a size range from 0.5mm to 100mm are increasing due to the large demands for new products, especially those associated with digital mul...
Article
Full-text available
Remote center of motion (RCM) mechanism, widely used as a wrist of minimally invasive surgery robot, is a kind of minor-mobility mechanism with part of it rotating around a fixed point distal from it. However, there is no physical revolute joint at that point. In this paper, kinematics of mechanisms with two remote centers of motion or multiple rem...
Conference Paper
This paper presents an anthropomorphic design of a robotic finger with contact-aided cross four-bar (CFB) linkages. Anatomical study shows that finger joints have a complex structure formed by non-symmetric surfaces and usually produce complex movement than a simple revolute motion. The articular system of human hand is firstly investigated. Kinema...
Article
Full-text available
Angulated-straight element is proposed by combining pantograph element and Hoberman element. It is prepared to construct scaling mechanisms for geometric figures. Angulated-straight element is a kind of scissor-like element that moves along a fixed angle in radial direction, coined radial-scaling element. To explore the advantages of this new eleme...
Conference Paper
Full-text available
A polygon-scaling mechanism is a single DOF (degree-of-freedom) mechanism for scaling a polygon. This paper presents a tetragon-elements based synthesis method of polygon-scaling mechanisms. According to movable conditions of radial scaling elements, four basic tetragon elements (rhombus element, parallelogram element, kite element and general tetr...
Chapter
This paper deals with single-loop foldable 8R (revolute joint) mechanisms with multiple modes, which can be folded into either the same folded state in different ways or different folded states. Two types of mechanisms are discussed. The first type is constructed by integrating two spherical 4R linkages, and the second type is built by combining on...
Conference Paper
Full-text available
In recent years, applications in industrial assemblies within a size range from 0.5mm to 100mm are increasing due to the large demands for digital multimedia products. Research on grippers or robotic hands within the mesoscopic scale of this range has not been well explored. This paper proposes a mesoscopic scale gripper (meso-gripper) which has tw...
Conference Paper
Full-text available
Development of a mechanism with dual remote center of motion (dual-RCM mechanism) intended for teleoperated ophthalmic surgery is reported in this paper. First, characteristics of RCM mechanisms are analyzed. Then, a method to synthesize dual-RCM mechanisms is proposed. Further the mechanical design parameters are optimized to synthesize types of m...
Article
Metamorphic mechanisms are widely studied and applied in theory and practice because of their characteristics of variable topological structures. The adjacency matrix is used in representation and operation of link changes. But this method is not available in configuration transformation with multiple joints and characteristics change of joints of...
Conference Paper
Full-text available
Scaling mechanisms are widely used in practice because of their deployable and foldable characteristics. But the representation of the topological structure and evolution process of the mechanisms are little referred to. This paper is to introduce adjacency graph and its adjacency matrix operation, which are used to represent the topological struct...
Conference Paper
In this paper, a kind of cycling robot based on six-bar linkages is introduced. The robot consists of joints and links, the lengths of which can be synthesized by geometric method. By adding two RR chains to the existing four-bar linkage to obtain the six-bar linkages. Then adding links to form parallelograms to overcome the dead point during the m...
Conference Paper
Full-text available
A color-flipping ball can be considered as a kind of spatial mechanism. In this paper, the geometric characteristics and combined patterns of the color-flipping ball are presented. The equivalent schematics of the color-flipping ball both in its initial state and its flip state are illustrated. The relationships between the rotational angle and the...

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