nasa systems engineering handbook

Ngày tải lên: 04/12/2015, 06:51

... mechatronic systems a number of possible devices, such as reaction or momentum wheels, rotating devices, and electric motors are essential to the systems operations These devices, © 2002 by CRC Press ... the constraints of weight, size, and cost is quite a design challenge Furthermore, the design of SA suspensions involves many mechanical and electrical components that put a li...

Ngày tải lên: 21/06/2014, 21:20

... qualitatively different stiffness profiles in our compression loading studies We now summarize these three behavior patterns © 2002 by CRC Press LLC 8596Ch17Frame Page 324 Friday, November 9, ... very long chapter We analyze compression stiffness of the C2T4 tensegrity The C2T4 has worse strength under compression than a solid rectangular bar We analyze the compression stiffness of C4T2 an...

Ngày tải lên: 21/06/2014, 21:20

... how the design of one component (the controller) should be influenced by the (given) dynamics of all other components However, in systems design, where more than one component remains to be designed, ... November 9, 2001 6:33 PM 17.C.2 Some Mathematical Relations in Buckling Design In the strength-preserving design, the C4T1i system is designed to buckle at the same load as the origina...

Ngày tải lên: 21/06/2014, 21:20

... Computer-Aided Design Robot Manipulator Design Problem • Robot Design Procedure • Design Condition Input • Fundamental Mechanism Design • Inner Mechanism Design • Detailed Structure Design • Design Example ... performances, J Intelligent Robotic Systems, 27, 31–66, 2000 © 2002 by CRC Press LLC 8596Ch21Frame Page 523 Tuesday, November 6, 2001 9:51 PM 21 Actuators and Compu...

Ngày tải lên: 21/06/2014, 21:20

... essence the standard synthesis of a servosystem for mechanical systems However, robotic systems have some essential differences to other mechanical systems For example, robots have variable moments ... following inequality: © 2002 by CRC Press LLC w i ( Hii ) = i i i w o ( Hii ) ( J M NV N M + Hii ) i M i V i M ( J N N + Hii ) £ w (H ) o ii (22.25) By introducing the expression...

Ngày tải lên: 21/06/2014, 21:20

... technological systems (systems with recognition © 2002 by CRC Press LLC 8596Ch24Frame Page 640 Tuesday, November 6, 2001 9:43 PM in the loop, systems with elements of learning and self-organization, systems ... relations correspond to analytical expressions for natural and artificial constraints in the noninvariant hybrid approach For every constrained motion © 2002 by CRC Press...

Ngày tải lên: 21/06/2014, 21:20

... Subsystems The mathematical model of the complete system S consists of two parts: the model of mechanical structure S M and the model of actuators Sia These models are:13,17 © 2002 by CRC Press ... of m subsystems: (2 m – n) subsystems correspond to the powered joints modeled as in Equation (27.47), and (n – m) composite subsystems modeled as in Equation (27.56) In fact, all the subsyst...

Ngày tải lên: 21/06/2014, 21:20

... Structural Concrete Design 4.1 4.2 4.3 4.4 4.5 Properties of Concrete and Reinforcing Steel Properties of Concrete • Lightweight Concrete • Heavyweight Concrete • High-Strength Concrete ... and Mixing Concrete Proportioning Concrete Mix • Admixtures • Mixing Flexural Design of Beams and One-Way Slabs Reinforced Concrete Strength Design • Prestressed Concrete Streng...

Ngày tải lên: 17/08/2013, 12:06