Tài liệu Modeling, Measurement and Control P7 pptx

... process output) outside the control loop. Further stages of control can be attempted by actual measurement of forces and displacements at the tool (material control) and direct measurement of the resulting ... Forming Processes: Monitoring and Control 7.1 Introduction: Process and Control Objectives Process Control Issues • The Process: Material Diagram • The Mac...

Ngày tải lên: 23/01/2014, 06:20

... refueled by a robot (left) and a touch-screen terminal for inserting credit card, entering refilling order and printing (right). (From Leondes, C.T., Mechatronic Systems Techniques and Applications, Vol. ... station, the robot moves into the initial position. It emerges from the opening in the refueling island and approaches the filler flap. The robot remains flexible when docked on, in o...

Ngày tải lên: 17/12/2013, 13:15

... sequence of operations and process planning, control of the machines and monitoring of the processes (on/off line), automation, networking and communication systems, and quality control of the production ... costs and lead times in all engineering design stages, improved quality and accuracy, minimization of errors and their dupli- cation, more efficient analysis tool, and...

Ngày tải lên: 23/01/2014, 06:20

... Systems, Measurement, and Control, 111, 1, 260–267. 65. Furness, R. J., Ulsoy, A. G., and Wu, C. L., 1996, Supervisory control of drilling, ASME Journal for Manufacturing Scientists and Engineers, ... Journal Dynamic Systems, Measurement, and Control, 109, 349–354. 60. Tung, E. D., Tomizuka, M., and Urushisaki, Y., 1996, High-speed end milling using a feedforward control arc...

Ngày tải lên: 23/01/2014, 06:20

... and M. Hubbard, An approach toward the optimal semi-active suspen- sion, Journal of Dynamic Systems, Measurement and Control, 110, 288–296, 1988. 18. H.E.Tseng and J.K. Hedrick, Semi-active control ... performed by Yi and Hedrick 26 and followed by Valás ˇ ek et al., 9 Kortüm and Valás ˇ ek, 14 and Besinger et al. 28 The recent investigation verified by prototype implemen...

Ngày tải lên: 27/01/2014, 15:20

... tensegrity elements become large. As n → ∞, (nL 0 ) 2 → ∞, and from (17.49) and (17.51) (17.53) and Ᏺ approaches the limit from below. From Equations (17.47) and (17.49), (17.54) Thus, for large n, using ... shell class of tensegrity structures and examines several members of this class; Section 17.5 offers conclusions and future work. The appendices explain nonlinear and lin...

Ngày tải lên: 27/01/2014, 15:20

... Processes and Their Monitoring and Control 8.1 Assembly Processes 8.2 Monitoring and Control of Resistance Welding Process 8.3 Monitoring and Control of Arc Welding Processes References 9 Control ... Monitoring and Control 6.5 Other Process Phenomena 6.6 Future Direction and Efforts Acknowledgments References 7 Forming Processes: Monitoring and Control 7.1...

Ngày tải lên: 17/12/2013, 13:15

... interconnected set of links and powered joints that support or move a wrist, a hand or an end effector. • Wrist: a set of joints between the arm and the hand that allows the hand to be oriented to the ... high positioning accuracy for precise assembly, fast and vibration-free motion for short cycle times, and advanced control for path precision and controlled compliance. Figure 28...

Ngày tải lên: 17/12/2013, 13:15

... guidance and control (absolute motion control) • Sensorimotor primitives defined as encapsulations of perception and motion that form domain general blocks for fast task strategies (reactive motion control) The ... meals, pharmaceuticals, and documents along normal corridors. Clear and simple user interfaces, robust robot navigation, and ability to open doors and operate elev...

Ngày tải lên: 17/12/2013, 13:15

... Event Control of Manufacturing Systems 3.1 Introduction 3.2 Background on the Logic Control Problems Logic Control Definition • Control Modes • Logic Control Specification • Tasks of a Logic Control ... normally closed contacts, and commands. The I1 and I5 are input signals from a clamp proximity switch and a pushbutton, respectively; the signals M1, M2, and M5 represe...

Ngày tải lên: 23/01/2014, 06:20