... vertex j to k, let them first diverge at vertex j and then converge at vertex k . Then, that section of P from j to k and that section of Q from j to k form a circuit. This leads to a contradiction ... Kuratowski, K., 1930, Sur le Problème des Courbes Gauches en Topologie, Fundamental Mathematics, 15, 271–283. [4] Sohn, W. and Freudenstein, F., 1986, An Application of Dual Graphs to the Au- tomatic ... to be a bipartite if its vertices can be partitioned into two subsets, V 1 and V 2 , such that every edge of G connects a vertex in V 1 to a vertex in V 2 . Furthermore, the graph G is said to...
Ngày tải lên: 17/12/2013, 13:15
... kinematic chain are numbered sequentially from 1 to n. Since in the graph, representation vertices correspond to links and edges correspond to joints, the link -to- link adjacency matrix, A, is defined as ... as such. For clarity and simplicity, only those functional elements that are essential to the structural topology of a mechanism are shown. Two functional schematics representing different physical ... . (3.4) The incidence matrix also determines the structural topology of a kinematic chain up to structural isomorphism. Figure 3.13 shows the functional schematic and graph © 2001 by CRC Press LLC [13]...
Ngày tải lên: 17/12/2013, 13:15
Tài liệu Enumeration of Kinematic Structures According to Function P4 ppt
... labeled graph may map into itself. The set of those permutations which map the graph into itself form a group called a group of automorphisms. This group of automorphisms is said to be a vertex-induced group ... the graph into itself an edge-induced group of automorphisms. Example 4.13 Stephenson Chain Consider the Stephenson chain shown in Figure 4.8a, where the six links are labeled from 1 to 6. The ... mechanism refers to the number of independent parameters required to completely specify the configuration of the mechanism in space. Except for some special cases, it is possible to derive a general...
Ngày tải lên: 17/12/2013, 13:15
Tài liệu Enumeration of Kinematic Structures According to Function P7 doc
... figure mounted on top of the chariot always pointed to the south as the chariot was towed from one place to another. It is believed that the ancient Chinese used this device to help them navigate ... trains are used to transmit motion and/or power from one rotating shaft to another. An enormous number of gear trains are used in machinery such as automobile transmissions, machine tool gear boxes, ... 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 difference...
Ngày tải lên: 17/12/2013, 13:15
Tài liệu The 20 Minute Guide to Using MS Access 2007 pptx
... want to know how many customers sold widgets in the city of London for the month of July. Access is a PC desktop database and it is possible to create some powerful systems. Access 2007 Access ... Learning Microsoft Access is now simpler than ever. Begin today and get your data in order fast. http:/ /access- databases.com/ms -access- tutorial/ Contents What is a database? 3 Access 2007 3 ... sellwindowsmedia@yahoo.com Do you want to get a Microsoft Access tutorial series that's jam packed with hints and tips on how to make the most of the powerful access tools and applications in this...
Ngày tải lên: 24/12/2013, 02:15
Tài liệu Connecting to a Secured Access Database pptx
... [ Team LiB ] [ Team LiB ] Recipe 1.4 Connecting to a Secured Access Database Problem You want to connect to a Microsoft Access database that has been secured with user-level security ... in addition to those defined by ADO.NET. To open a database secured by Microsoft Access user-level security, use the Jet OLEDB:System Database attribute in the connection string to specify the ... code contains a single event handler: Connect Button.Click Creates and opens a connection to a Microsoft Access database secured with user- level security and a workgroup file using the OLE DB...
Ngày tải lên: 24/12/2013, 05:15
Tài liệu Enumeration of Kinematic Structures According to Function P8 pdf
... stator blades. The purpose of the stator blades is to redirect the fluid flow from the turbine to the impeller, providing a torque multiplication to the transmission. The torque amplification factor ... housing. The torque converter has three purposes. First of all, it serves as a fluid coupling to provide a smooth transmission of torque from the engine to the wheels. It also allows a vehicle to stop ... approach is to employ a mechanism to vary the valve lift, and the valve opening and closing points, with respect to the engine top-dead-center, as a function © 2001 by CRC Press LLC FIGURE 8.8 Functional...
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P9 doc
... two engines: a generator and an evaluator. By incorporating Equations (9.1), (9.3), and (9.4) in the generator, functional requirements F1, F2, and F3 are automatically satisfied. Functional requirement ... spherical manipulator is the five-bar RR–RRR manipulator. Similarly, the only feasible three- dof spherical manipulator is the 3-RRR manipulator as shown in Figure 6.14. Several articles related to kinematic ... 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 limb is equal to the value...
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P10 ppt
... variables subject to a constraint that all the variables are nonnegative integers. We first discuss a method for solving one equation in n unknowns. Then, we extend the method to solving a system ... coefficients. The c i s are nonnegative integers and k is a positive integer. We wish to solve for x i , for i = 1, 2, ,n subject to a constraint that all x i s must be nonnegative integers. In addition, ... nonnegative integers. This can be accomplished by a com- puter program using a nested-do loops algorithm to vary the value of each x i and check for the validity of the solutions. A more rigorous procedure...
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P11 docx
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P12 pptx
... Independent Loops: Four to Eight Vertices. © 2001 by CRC Press LLC Appendix C Atlas of Graphs of Kinematic Chains This appendix provides an atlas of graphs of kinematic chains having up to three independent ... to three independent loops and eight links. Table C.1 Graphs Having One Independent Loop: Three to Eight Vertices. © 2001 by CRC Press LLC Table C.4 Graphs Having Three Independent Loops: Seven...
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P13 pdf
... 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 vertex degree listings, and...
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P14 pptx
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P15 pptx
... gear trains classified according to the number of degrees of freedom, the number of independent loops, and the vertex degree listings. Both labeled graphs and typical functional schematic diagrams...
Ngày tải lên: 26/12/2013, 00:16
Tài liệu Enumeration of Kinematic Structures According to Function P16 pdf
Ngày tải lên: 26/12/2013, 00:16
Public inquiry to make final access determinations for the declared fixed line services potx
Ngày tải lên: 06/03/2014, 21:20
Báo cáo Y học: Dystrobrevin requires a dystrophin-binding domain to function in Caenorhabditis elegans doc
Ngày tải lên: 08/03/2014, 23:20
Báo cáo khoa học: "From Chunks to Function-Argument Structure: A Similarity-Based Approach" doc
Ngày tải lên: 17/03/2014, 07:20