structures as function arguments

Ngày tải lên: 31/03/2014, 21:20

... a basis for the circuit space. Any other circuits can be expressed as a linear combination of the base vectors with the arithmetic of modulo 2. For the above example, we observe that the last ... the Kinematic Structures of Mechanism, ASME Journal of Mechanisms, Transmissions, and Automation in Design, 108, 3, 392–398. [5] Woo, L.S., 1967, Type Synthesis of Plane Linkages, ASME Journal ... Graphs We define a binary string of length k as a string of k vertices of degree 2 connected in series byk+ 1 edges as shown in Figure 2.14. The first and last edges of a binary © 2001 by CRC Press...

Ngày tải lên: 17/12/2013, 13:15

... identical structural topology. Figure 3.4a shows the functional schematic of a spur gear set with an external gear mesh, whereas Figure 3.4b shows the functional schematic of another spur gear set with ... addition to labeling the links, the joints are labeled as well. In an incidence matrix each row represents a link, whereas each column denotes a joint as outlined below. joint j B =      b 1,1 b 1,2 ··· ... sketched in more than one functional schematic. Either gear pair can assume either external or internal gear mesh. Hence, there is no one-to-one correspondence between the functional schematic and...

Ngày tải lên: 17/12/2013, 13:15

... partitions of the binary links associated with the (8, 10) planar kinematic chains derived in the preceding section. Assuming F = 1, Equation (4.22) gives q ≤ 2 as the upper bound on the length ... distinguish bar linkages with up to eight links. As the number of links increases, however, the probability of failing to detect structural isomorphism increases. Counter examples have been found where ... such as classification of kinematic chains according to their contracted graphs. For example, the graph shown in Figure 4.10a belongs to the 58-2 contracted graph shown in Table B.1, whereas ©...

Ngày tải lên: 17/12/2013, 13:15

... j g edges of the unlabeled graph are to be assigned as the gear pairs and the remaining edges as the turning pairs. The solution to this problem can be regarded as the number of combinations of j elements ... graph of a basic gear train, called the genetic graph, as a building block. In view of the first structural characteristic, each time we increase the number of vertices by one, we also increase the ... has already been assigned from the previous circuit. Thus, we only need to determine the level of the 3–4 edge. We can assign a new level “c,” or use an existing level “a” for the 3-4 edge asshowninFigures7.7canddwithoutviolatingthestructuralcharacteristicsC4 through...

Ngày tải lên: 17/12/2013, 13:15

... LLC above, we assign one of the ternary links as the fixed link and one of the ground- connected joints as the prismatic joint. As a result, we obtain four nonisomorphic kinematic structures as shown ... we apply the remaining functional requirements along with other requirements, if any, for qualitative evaluation of the kinematic structures. This results in a class of feasible mechanisms or design ... top-dead-center, as a function © 2001 by CRC Press LLC FIGURE 8.8 Functional schematic and clutching sequence of an epicyclic gear transmission. corners or curves. Recently, an increasing interest...

Ngày tải lên: 26/12/2013, 00:16

... structural classification of parallel manipulators has been made by Hunt [8]. In this section, parallel manipulators are classifiedinto planar , spherical, and spa- tial mechanisms. The kinematic structures ... preferably mounted on or near the fixed base. 9.2.2 Structural Characteristics We now translate as many functional requirements into structural characteristics as possible. Obviously, the manipulator ... jack system for use as a universal tire testing machine. Later, Stewart [17] developed a platform manipulator for use as a flight simulator. Since 1980, there has been an increasing interest in...

Ngày tải lên: 26/12/2013, 00:16

... be an even number. Let x 2 assume the values of 0, 2, and 4, one at a time, and solve Equation (A.8) for x 3 . Once x 3 is found, we solve Equation (A.6) for x 1 .Asa result, we obtain the three ... g 1n p 1 0 g 22 g 23 g 2n p 2 00 . . . . . . . . . . . . 000g m,m g mn p m      . The last row in Equation (A.5) contains n − m + 1 unknowns which can be solved by the procedure outlined...

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16

... 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 loops...

Ngày tải lên: 26/12/2013, 00:16

... Linkages: Part 3. © 2001 by CRC Press LLC 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...

Ngày tải lên: 26/12/2013, 00:16

Ngày tải lên: 26/12/2013, 00:16

... 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, and the vertex degree listings. Both labeled graphs and typical functional schematic diagrams are sketched. © 2001 by CRC Press LLC Table F.10 Three-dof Epicyclic...

Ngày tải lên: 26/12/2013, 00:16

... G.3 Type 6401 transmission mechanism (Ravigneaux): version 1. © 2001 by CRC Press LLC Appendix G Atlas of Epicyclic Gear Transmission Mechanisms This appendix provides the schematic diagrams and clutching...

Ngày tải lên: 26/12/2013, 00:16

... canonical Ser-His-Asp triad of the classical serine peptidases. In the latter case, the Ser and His residues act as nucleophilic and general acid ⁄ base catalysts, respectively [9,10]. The Asp residue ... was determined as described above except that 0.1 m sodium acetate ⁄ 0.1 m sodium phos- phate was used as the buffer component and the pH was varied from 2.5 to 8.0; the buffering capacity was ... proton transfer from Asp164, which thus acts as a general acid ⁄ base catalyst [17]. Therefore, this enzyme may utilize a strategy of aspartic peptidase catalysis, in addition to that of serine peptidase catalysis....

Ngày tải lên: 19/02/2014, 07:20

... synaptosomes [21], as well as pharmacological studies such as those shown in (B). In slices, an a7* nAChR on adjacent glutamate terminals was found to indirectly influence dopamine release via the release of ... gene sequencing is active in suppressing the vascular response to 2318 A. Nicke et al.(Eur. J. Biochem. 271) Ó FEBS 2004 gastrointestinal systems as well as its addictive potential. The combinatorial ... nAChR as well as by their structure (for nomenclature of a-conotoxins see [31]) 3 . The w-conotoxin PIIIE has a structure similar to the voltage-gated Na + channel-blocking l-conotoxins and acts as...

Ngày tải lên: 19/02/2014, 12:20

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