mechanism design enumeration of kinematic structures according to function

... Application of Dual Graphs to the Automatic Generation of the Kinematic Structures of Mechanism, ASME Journal of Mechanisms, Transmissions,... Extension of Manolescu’s Classification of ... Concept of Polya’s Theory of Enumeration with Application to the Structural Classification of Mechanisms, Journal of Mechanisms, 3, 275–290 [7] Pólya, G., 1938, Kombinatorische... Automation ... Chapter 5 Enumeration of Graphs of Kinematic Chains 5.1 Introduction In Chapter 3 we have shown that the topological structures of kinematic chains can be represented

Ngày tải lên: 02/07/2014, 12:20

... Cam Mechanisms The enumeration of cam mechanisms is similar to that of geared mechanisms... Development of an Atlas of the Kinematic Structures of Mechanisms, ASME Journal of ... number of degrees of freedom, number of loops, number of vertices, and number of edges. The degrees of freedom of a mechanism are governed by Equation (4.3). The number of loops, number of links, ... J., 1989, The Optimum Kinematic Design of a Spherical Three-Degree -of- Freedom Parallel Manipulator, ASME Journal of Mechanisms, Transmissions, and Automation in Design, 111, 202–207

Ngày tải lên: 02/07/2014, 12:20

... en Topologie, Fundamental Mathematics, 15, 271–283 [4] Sohn, W and Freudenstein, F., 1986, An Application of Dual Graphs to the Automatic Generation of the Kinematic Structures of Mechanism, ... rise to two different dual graphs Sohn and Freudenstein [4] applied the concept of dual graphs for the development of an automated procedure for the enumeration of the kinematic structures ... vertices of a dual graph correspond to the loops of a conventional graph, (2) the loops of a dual graph correspond to the vertices of a conventional graph, and (3) degree of a vertex

Ngày tải lên: 17/12/2013, 13:15

... (Courtesy of Toyoda Machine Works Ltd., Aichi-Pref., Japan.) kinematic structures of parallel manipulators according to their nature of motion and degrees of freedom. 9.2.3 Enumeration of Planar ... represents a family of parallel manipulators for which the number of limbs is equal to the number of degrees of freedom of the manipulator, and the total number of joint degrees of freedom in each ... spherical, and spa- tial mechanisms. The kinematic structures of parallel manipulators are enumerated according to their degrees of freedom and connectivity listing [22]. 9.2.1 Functional Requirements

Ngày tải lên: 26/12/2013, 00:16

... Mechanics of Composite Materials Autar K. Kaw Mechanics of Fatigue Vladimir V. Bolotin Mechanism Design: Enumeration of Kinematic Structures According to Function Lung-Wen Tsai Nonlinear Analysis of Structures ... Chair Professor Department of Mechanical Engineering Bourns College of Engineering University of California, Riverside Enumeration of Kinematic Structures According to Function Mechanism Design ... creation of mechanisms. Some terminologies related to the kinematics of mechanism are defined. Mechanisms are classified according to the nature of motion into planar, spherical, and spatial mechanisms.

Ngày tải lên: 21/07/2014, 17:20

... (Courtesy of Toyoda Machine Works Ltd., Aichi-Pref., Japan.) kinematic structures of parallel manipulators according to their nature of motion and degrees of freedom. 9.2.3 Enumeration of Planar ... represents a family of parallel manipulators for which the number of limbs is equal to the number of degrees of freedom of the manipulator, and the total number of joint degrees of freedom in each ... spherical, and spa- tial mechanisms. The kinematic structures of parallel manipulators are enumerated according to their degrees of freedom and connectivity listing [22]. 9.2.1 Functional Requirements

Ngày tải lên: 21/07/2014, 17:20

... evaluation of the kinematic structures. This results in a class of feasible mechanisms or design alternatives. Since we are primarily concerned with the enumeration and qualitative evaluation of various ... enumeration of a class of variable-stroke engine mech- anisms. 8.2.1 Functional Requirements For a variable-stroke engine mechanism to function properly, themechanism should be able to maintain ... (attached to the piston), and link 6 is the piston. We observe that the piston and the crankshaft of the second mechanism shown in Figure 8.1 belong to a four-bar loop. A change in the location of the

Ngày tải lên: 21/07/2014, 17:20

... number of gear pairs is equal to the number of independent loops; the number of turning pairs is equal to the number of links diminished by one; and the number of degrees of freedom is equal to the ... such that the pitch diameter of gear 3 is equal to that of gear 5, and the pitch diameter of gear 4 is equal to that of gear 6. Otherwise, the mechanism will not function properly. In fact, we ... F., 1970, Synthesis of Kinematic Structure of Geared Kinematic Chains and other Mechanisms, Journal of Mechanisms, 5, 357 –3 92 [3] Dudley, D.W., 1969, The Evolution of the Gear Art, American

Ngày tải lên: 21/07/2014, 17:20

... Isomorphic mechanisms 4.3 Degrees of Freedom The degrees of freedom of a mechanism is perhaps the first concern in the study of kinematics and dynamics of mechanisms. The degrees of freedom of a mechanism ... freedom of a mechanism to the number of links, number of joints, and type of joints. It is also possible to establish an equation that relates the number of independent loops to the number of links ... for the degrees of freedom of a mechanism in terms of the number of links, number of joints, and types of joints incorporated in the mechanism. The following parameters are defined to facilitate

Ngày tải lên: 21/07/2014, 17:20

... Synthesis of Kinematic Structure of Geared Kinematic Chains and other Mechanisms, Journal of Mechanisms, 5, 357–392 [2] Chatterjee, G and Tsai, L.W., 1994, Enumeration of Epicyclic-Type Automatic ... perpendicular to each other with an offset distance Both mechanisms are capable of converting the rotational motion of link into the reciprocating and oscillatory motions of link These two mechanisms ... Development of an Atlas of the Kinematic Structures of Mechanisms, in Proceedings of the ASME Mechanisms Conference, Cambridge, MA, Paper No 84-DET-21 [10] Sohn, W., 1987, A Computer-Aided Approach to

Ngày tải lên: 21/07/2014, 17:20

... Appendix F Atlas of Epicyclic Gear Trains This appendix provides an atlas of epicyclic gear trains classified according to the number of degrees of freedom, the number of independent loops, ... typical functional schematic diagrams are sketched. © 2001 by CRC Press LLC Table F.1 One-dof Epicyclic Gear Trains: One and Two Independent Loops. © 2001 by CRC Press LLC Table F.2 One-dof Epicyclic ... Part 1. © 2001 by CRC Press LLC Table F.3 One-dof Epicyclic Gear Trains: Three Independent Loops — Part 2. © 2001 by CRC Press LLC Table F.4 One-dof Epicyclic Gear Trains: Three Independent Loops

Ngày tải lên: 21/07/2014, 17:20

... Appendix D Atlas of Planar Bar Linkages This appendix provides an atlas of planar linkages classified according to the number of degrees of freedom, the number of independent loops, the ... One-dof Four-Bar Linkage. © 2001 by CRC Press LLC Table D.2 Planar One-dof Six-Bar Linkages. Table D.3 Planar One-dof Eight-Bar Linkages: Part 1. © 2001 by CRC Press LLC Table D.4 Planar One-dof ... Press LLC Table D.5 Planar One-dof Eight-Bar Linkages: Part 3. © 2001 by CRC Press LLC Table D.6 Planar One-dof Eight-Bar Linkages: Part 4. Table D.7 Planar Two-dof Five-Bar Linkage. © 2001 by

Ngày tải lên: 21/07/2014, 17:20

... subjected to a stress range of 36 ksi (248 MPa) imposed on a minimum stress of 6 ksi (41.4 MPa), varied linearly in the ratio of 0.69 to 1.00 to 1.31, respectively. The ratio of 1.0 corresponds to a ... the bottom of the bar. Rather it started along the side of the bar, at the base of one of the transverse lugs. This is a common characteristic of most bar fatigue fractures. Quite a number of laboratory ... varying in size from #5 to #ll, with minimum stress levels ranging from -0.10 to 0.43 of the tensile yield strength of the bars. Although only about one-third of the total number of S,-N curves reported

Ngày tải lên: 24/10/2014, 15:46

... ACADEMY OF SOCIAL SCIENCES GRADUATE ACADEMY OF SOCIAL SCIENCES TRAN HUNG BINH PROTECTING LEGITIMATE RIGHTS AND BENEFITS OF THE JUVENIlE ACCORDING TO CRIMINAL PROCEDURE Legislations OF VIETNAM ... OF PhD. THESIS OF LAWS HANOI - 2013 THE WORK IS COMPLETED AT THE GRADUATE ACADEMY OF SOCIAL SCIENCES Supervisor: Prof., Dr., Dao Tri Uc Judge 1: Ass. Prof. Dr. Tran Dinh Nha Judge 2: Ass. Prof. ... of the juvenile as well as shortcomings of the application of such legislations in reality; 3) To suggest recommendations in order to improve applicable laws particular judicial authorities to

Ngày tải lên: 19/07/2014, 08:52

... type of treatment (pharmacological vs Figure Efficacy of the treatments allocated to both levels of care according to the type of pain in patients with fibromyalgia fibromyalgia Page 11 of 15 ... Index [58] Number of Tender Points according to American College of Rheumatology criteria [1] Fatigue (f) Visual Analog Scale [50] Multi-dimensional Assessment of Fatigue [59] Global Function (gf) ... meta-analysis on the efficacy of the treatment of fibromyalgia according to level of care The clinical and economical relevance of this disorder makes this a key question of research in free, universal

Ngày tải lên: 09/08/2014, 10:23

... number of degrees of freedom, number of loops, number of vertices, and number of edges. The degrees of freedom of a mechanism are governed by Equation (4.3). The number of loops, number of links, ... mechanisms is similar to that of geared mechanisms... ASME Journal of Mechanisms, Transmissions, and Automation in Design, 105, 2, 254–258 [21] Tsai, L.W., 1983, Design of Drag-Link Mechanisms with ... number of three-dof joints to one in single-loop chains and two in double-loop chains to avoid the possibility of forming passive degrees of freedom Table 6.6 Classification of Spatial One-dof Mechanisms

Ngày tải lên: 11/08/2014, 16:22

... of the Interior, Washington, D.C. Beginning about 1905, hundreds of bridges were built according to catalog designs. A careful review of such designs may prove beneficial in documenting the design ... thereof. 1.3-Purpose and scope The purpose of this report is to provide a source of information on the evaluation of concrete structures (ex- cept those subjected to seismic effects) prior to rehabil- ... in terms of total cost, level of disturbance to the users, and the quality of work can be achieved. If competitive bidding is used, consideration should be given to limiting bidding to prequalified

Ngày tải lên: 24/10/2014, 21:59

... khối đại đoàn kết toàn dân tộc, tình đồn kết qn dân, thúc đẩy “phi trị hóa” Qn đội đặt thách thức không nhỏ cho công tác dân vận Đảng Quân đội Theo đó, việc nâng cao chất lượng toàn diện đội ngũ ... thiết có ý nghĩa thực tiễn cao Thế nhưng, đến có cơng trình khoa học nghiên cứu cách hệ thống, toàn diện vấn đề góc độ triết học Vì vậy, nghiên cứu lực cơng tác dân vận trị viên theo tư tưởng ... Minh cơng tác dân vận Tác giả Trần Hậu (2013), “Minh triết Hồ Chí Minh dân, dân vận đại đoàn kết toàn dân tộc” [43] tác giả Nguyễn Đình Hịa (2015), “Tư tưởng Hồ Chí Minh đại đồn kết dân tộc vận

Ngày tải lên: 08/05/2021, 06:53

... khối đại đoàn kết toàn dân tộc, tình đồn kết qn dân, thúc đẩy “phi trị hóa” Qn đội đặt thách thức không nhỏ cho công tác dân vận Đảng Quân đội Theo đó, việc nâng cao chất lượng toàn diện đội ngũ ... thiết có ý nghĩa thực tiễn cao Thế nhưng, đến có cơng trình khoa học nghiên cứu cách hệ thống, toàn diện vấn đề góc độ triết học Vì vậy, nghiên cứu lực cơng tác dân vận trị viên theo tư tưởng ... Minh cơng tác dân vận Tác giả Trần Hậu (2013), “Minh triết Hồ Chí Minh dân, dân vận đại đoàn kết toàn dân tộc” [43] tác giả Nguyễn Đình Hịa (2015), “Tư tưởng Hồ Chí Minh đại đồn kết dân tộc vận

Ngày tải lên: 08/05/2021, 06:55

... Wahnsiedler Mechanics of Composite Materials Autar K. Kaw Mechanics of Fatigue Vladimir V. Bolotin Mechanism Design: Enumeration of Kinematic Structures According to Function Lung-Wen Tsai Nonlinear Analysis of Structures M. ... creation of mechanisms. Some terminologies related to the kinematics of mechanism are defined. Mechanisms are classified according to the nature of motion into planar, spherical, and spatial mechanisms. © ... grouped according to function for use as a primary source of ideas. The second makes use of a symbolic representation of the kinematic structure and the combinatorial analysis as a tool for enumeration...

Ngày tải lên: 27/06/2014, 15:20