Electrical Engineering Mechanical Systems Design Handbook Dorf CRC Press 2002819s 20 pptx

... Page 75 Tuesday, November 6, 200 1 10:19 PM © 200 2 by CRC Press LLC operators. 20 The tool position may also be adjusted (e.g., depth-of-cut decreased) to suppress chatter, and while it ... in) Cutting Time (sec) 20 18 16 14 12 10 8 6 4 2 0 0 100 200 300 400 500 600 700 800 900 1000 Vt C l n = 8596Ch06Frame Page 96 Tuesday, November 6, 200 1 10:18 PM © 200 2 by CRC Press...

Ngày tải lên: 21/06/2014, 21:20

... ratio. 10 -1 10 0 10 1 10 -2 10 -1 10 0 10 1 w/wn A T ζ = 0.10 0.25 0.50 0.707 (optimal) 10 ω 8596Ch12Frame Page 205 Friday, November 9, 200 1 6:31 PM © 200 2 by CRC Press LLC suspension design. For practical implementation, however, it is preferable ... variable stiffness, ASCE Journal of Structural Engineering, 120( 4), 1291–1306. 8596Ch12Frame Page 216 Friday, November 9, 200 1 6...

Ngày tải lên: 21/06/2014, 21:20

... larger than its buckling (compressive) 8596Ch17Frame Page 316 Friday, November 9, 200 1 6:33 PM © 200 2 by CRC Press LLC 315 III Dynamics and Control of Aerospace Systems Robert E. Skelton 8596Ch16Frame ... 8596Ch15Frame Page 288 Tuesday, November 6, 200 1 10:06 PM © 200 2 by CRC Press LLC Abstract Tensegrity structures consist of strings (in tension) and bars (in compre...

Ngày tải lên: 21/06/2014, 21:20

... in compression. FIGURE 17.9 Stiffness profile of 3-bar SVD in compression. FIGURE 17.10 Mass–spring control system. 8596Ch17Frame Page 324 Friday, November 9, 200 1 6:33 PM © 200 2 by CRC Press ... November 9, 200 1 6:33 PM © 200 2 by CRC Press LLC Proposition 17.1 With slack horizontal string t h = 0, assume that strings are massless, and that the C4T1 system in Figure 17.22 is d...

Ngày tải lên: 21/06/2014, 21:20

... axial loading. (a) (b) 8596Ch17Frame Page 370 Friday, November 9, 200 1 6:33 PM © 200 2 by CRC Press LLC and (18.16) Now that we have an expression for the forces, let us write the dynamics. 18.3 Dynamics ... tensegrity. (a) (b) (c) 8596Ch17Frame Page 364 Friday, November 9, 200 1 6:33 PM © 200 2 by CRC Press LLC So, in the strength-preserving design, if the same material is use...

Ngày tải lên: 21/06/2014, 21:20

... g=+∆− () = ∑ Ξ ˙˙ τ jjj Hq h= ′ + ′ ˙˙ 8596Ch20Frame Page 499 Tuesday, November 6, 200 1 9:54 PM © 200 2 by CRC Press LLC where and . Equation (20. 89) gives: (20. 91) Relations (20. 90) and (20. 91) describe the dynamics ... Computer-Aided Design Robot Manipulator Design Problem • Robot Design Procedure • Design Condition Input • Fundamental Mechanism Design • Inner Mecha...

Ngày tải lên: 21/06/2014, 21:20

... selection y n n y fundamental mechanism designinner mechanism design n y deatained structure design 6) 11) 17) 8596Ch21Frame Page 542 Tuesday, November 6, 200 1 9:51 PM © 200 2 by CRC Press LLC transmission system ... operation. 8596Ch21Frame Page 534 Tuesday, November 6, 200 1 9:51 PM © 200 2 by CRC Press LLC 21.2.3 Design Condition Input 21.2.3.1 Step 1 The operator inputs...

Ngày tải lên: 21/06/2014, 21:20

... G F−= () − 0 1 t s 8596Ch23Frame Page 606 Friday, November 9, 200 1 6:26 PM © 200 2 by CRC Press LLC (22.25) By introducing the expression (22.23) for the structural frequency into (22.25), it ... essence the standard synthesis of a servosystem for mechanical systems. However, robotic systems have some essential differences to other mechanical systems. For example, robots hav...

Ngày tải lên: 21/06/2014, 21:20

... 8596Ch24Frame Page 643 Tuesday, November 6, 200 1 9:43 PM © 200 2 by CRC Press LLC in the loop, systems with elements of learning and self-organization, systems that sometimes do not allow for representation ... Position-based force/impedance control. FIGURE 23 .20 Parallel position/force control. 8596Ch23Frame Page 619 Friday, November 9, 200 1 6:26 PM © 200 2 by CRC Press...

Ngày tải lên: 21/06/2014, 21:20

... 6, 200 1 9:43 PM © 200 2 by CRC Press LLC 8. Pressure knob — a uni-body ball-shaped handle consisting of a rigid main body and a semi- rigid rubber balloon gripper control driven by hydraulic pressure. 9. ... “goodness” of the chromosome for FIGURE 24 .20 The structure of fuzzy-neural network. 8596Ch24Frame Page 678 Tuesday, November 6, 200 1 9:43 PM © 200 2 by CRC Press LLC...

Ngày tải lên: 21/06/2014, 21:20