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Design of the Transmission Automatic Transmission Algorithm Portfolio Analysis

xC2x ... × c species. For the first P,[link widoczny dla zalogowanych], p + planetary line coupling matrix between the number of combinations. Portfolio Analysis Algorithm 2.2 Transmission Automatic Transmission Transmission process 2 Portfolio Analysis Portfolio Analysis Algorithm 2.1 Algorithm drive the practical application of setting conditions for transmission automatic transmission limits due to structural characteristics, set the calculation conditions: (1) Input In the first row of planets, planetary line output limits at the end; (2) connected components in a dollar against constraints, scheduling constraints with the number of components is not greater than 1,[link widoczny dla zalogowanych], a continuous row of the binary planet connected components within the constraints of the number of not more than 1; (3) To simplify the calculation procedure is considered the order of selection, and with reference to the structure of planetary line commonly used range of parameters can be pre-A. = 1.6-2.5. Figure 1 Flow Chart 3 Portfolio Analysis algorithm three rows of three degrees of freedom to calculate the three instances of transmission planetary line matrix type two-node combination of the following type of transmission scheme can be constructed: four degrees of freedom connection matrix: A. _fe 'has 9X9 = 81 kinds of patterns; three degrees of freedom connection matrix: A'e'ej, there is 18X9 = 162 kinds of patterns;' three degrees of freedom connection matrix: A 'there is 9X18 = 162 kinds of patterns; two degrees of freedom connection matrix: A'je 'a 18X18 = 324 kinds of patterns. 2007 (4) Total 212 25 Light Vehicle Technology technical aspect there (four degrees of freedom DOF agencies + agency + three bodies two degrees of freedom) is (81 +324 +324) = 729 kinds of the reversible nature of the drive to form symmetrical drive equivalent. After removal of the equivalent structure structure type number: (45 +162 +171) = 378. Top three degrees of freedom to three-star gear, for example, the structure type number 162, with the MATLAB programming for sizing, setting A value of 2.5,[link widoczny dla zalogowanych], a preliminary calculation, the establishment of selection criteria: 3 or more transmission ratio slow down in less than 7 1 file, 1 or more than 0-3 less than 1 overdrive,[link widoczny dla zalogowanych], 4 more than one greater than one less than a 2 reverse. Eligible currency link type A thirty ee ≈ J7, the value adjustment, AA. -2.0, A, =, available transmission scheme shown in Figure 2. Initial transmission scheme,[link widoczny dla zalogowanych], with six forward gears and two reverse gears, gear worksheet shown in Figure 3. B1B2B3B4C1I-j-7-C3 C2 a _ a,-_ on __-● - T_L '__-ll one. J-~ I. Figure 2, three degrees of freedom for a three-speed planetary gear row of bodies \ p, stall C 』C2C, said, I said 2 files into the drive ratio ooo3. O Ⅱ file ooo2. O Ⅲ file ooo1.44 Ⅳ file ooo1V file ooo0.963 Ⅵ file ooo0.667 down Iooo a down Ⅱ ooo-2.0 2.89 Figure 3 stall the work table 4 Conclusion (1) based on combined analysis of automatic transmission of the transmission scheme selection attributed to a combination of types of coupling matrix in order to establish an effective and practical algorithm, MATLAB programming terms, the screening program. (2) by means of establishing the mathematical model of the organization drive conversion, provides a way to use modern computing technology. R & D automatic transmission for optimal transmission scheme to provide the design basis
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