Mechanical Systems Design C10 Precision doc

... and tools used to design high precision manu- facturing systems. There are a plethora of other concepts available to engineers designing precision machine tools or metrology systems, and the reader ... American Society of Mechanical Engineers, 1991. 6. S. H. Crandall, D. C. Karnopp, E. F. Kurtz, Jr., and D. C. Pridmore-Brown, Dynamics of Mechanical and Electromechanical Systems,...

Ngày tải lên: 11/08/2014, 15:20

... the builder must design the machine tool structure and control of drives to deliver maximum accuracy during machining. A machine tool system has three main groups of parts: mechanical structures, ... controls. 4.1.1 Mechanical Structure The structure consists of stationary and moving bodies. The stationary parts carry moving bodies, such as table and spindle drives. They must be des...

Ngày tải lên: 02/07/2014, 12:20

... and tools used to design high precision manu- facturing systems. There are a plethora of other concepts available to engineers designing precision machine tools or metrology systems, and the reader ... system precision. This chapter discusses some of the basic concepts in precision system design including definitions, basic principles of metrology and performance, and design con...

Ngày tải lên: 02/07/2014, 12:20

... absorbers for variable speed systems with rotating and reciprocating unbalance, International Journal of Mechanical Engineering Education, 3, 145–152. Rao, S. S., 1995, Mechanical Vibrations, 3 rd ... of uncertain linear systems with time delay, Journal of Dynamic Systems, Measurements, and Control, 113, 558. Youcef-Toumi K. and Ito O., 1990, A time delay controller for systems...

Ngày tải lên: 02/07/2014, 12:20

... 15 have designed boundary controllers for strings, overhead gantry crane systems, and flexible cable systems. More recently, Zhang et al. 16 and Nagarkatti et al. 17 designed boundary controllers ... for flexible systems have been discretized via modal analysis in order to facilitate the control design process. One of the disadvantages of using a discretized model for contro...

Ngày tải lên: 02/07/2014, 12:20

... tasks without an actual experiment. This is important in the process of robot design and enables the development of CAD systems for robots. Second, direct dynamics is used to create dynamic control. It ... dynamic performance. 47,48 The biomechanical approach to the solution of redundancy of a humanoid robot arm was proposed in Potknojak et al. 49 Special kind of redundancy appears in s...

Ngày tải lên: 02/07/2014, 12:20

... 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 subsystems ... composite subsystems: . (27.57) Thus, the mathematical model of a complete biped mechanism S with the composite subsystems included, can be obtained by uniting the model of composite subsystems (Equ...

Ngày tải lên: 02/07/2014, 12:20

... more advanced design strategies. If the design methods allow, design- by-simulation can be performed, i.e., the use of the simulation model (in any desirable degree of complexity) within the design loop. As ... under the constraints of weight, size, and cost is quite a design challenge. Furthermore, the design of SA suspensions involves many mechanical and electrical components t...

Ngày tải lên: 21/06/2014, 21:20

... the structure in terms of strength and stiffness. This allows one to design for minimal mass while bounding stiffness. In designing this structure there are trade- offs; for example, geometrical ... 600 N. 17.2.5 Summary Tensegrity structures have geometric structure that can be designed to achieve desirable mechanical properties. First, this chapter demonstrates how bending rigidity vari...

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 ... discussion on robot design one should recall the history of robotics. During the early stage of robotics, no exact theory existed to assist engineers in designing robots....

Ngày tải lên: 21/06/2014, 21:20