physiological modeling simulation and control

... LC = level control loop Bottoms product FIGURE 15 Typical chemical plant and control system I I I - PROCESS MODELING SIMULATION, AND CONTROL FOR CHEMICAL ENGINEERS Thermodynamics and mass transfer ... this important design and operating problem All our studies of mathematical modeling, simulation, and control theory are aimed at understanding the dynamics of processes and control systems so that ... 7.3 Corkentional Control Systems and Hardware Control Instrumentation 7.1.1 Sensors 7.1.2 Transmitters 7.1.3 Control Valves 7.1.4 Analog and Digital Controllers 7.1.5 Computing and Logic Devices...

Ngày tải lên: 01/04/2014, 11:12

... ignition temperature The control valves A and D are open (valves B and C are closed) for the forward flow (Figure 1.3(a)) and the control valves B and C are open (valves A and D are closed) in order ... combustion and to gain a better understanding in the operation and control of such systems In short, this work focuses on modeling, simulation and control of Reverse Flow Reactors Initially a detailed ... Learning Control (ILC) and Repetitive Control (RC) along with Model Predictive Control (MPC) concepts This control strategy, incorporating the idea of periodicity in it, has been implemented and successfully...

Ngày tải lên: 14/09/2015, 12:30

... the integration of structure and control design appears in Skelton1,2 and Grigoriadis et al.3 Bendsoe and others4-7 optimize structures by beginning with a solid brick and deleting finite elements ... axially loaded compression members and tendon members that easily allow the unification of structure and control functions Sensing and actuating functions can sense or control the tension or the length ... 2, …, m} and {ρ11, t1ij, for i = 1, 2, …, n, j = 1, 2, …, m, and i < n when j = 1} This section discusses the relationship between the q variables and the string and rod vectors tαβγ and rβij...

Ngày tải lên: 18/10/2013, 09:15

... problems, increased reliability and improved thermal capacity are achieved On the other hand, brushless motors require more complex and expensive control systems Sensors and switching circuitry are ... cheap, robust, and reliable, and at the same time offer good torque characteristics However, control of such motors is rather complicated Advanced vector controllers are expensive and not guarantee ... mathematical modeling, driving characteristics, and mounting on the robot arm Section 21.1.1 presents a review of actuators currently used in robots and automation The main characteristics, advantages, and...

Ngày tải lên: 25/10/2013, 13:15

... the command and control of a vector such as position or force is not enough to control the interaction between systems (dynamic networks) The controller must also be able to command and control ... model and using the nominal position and force measurements, and a controller involving a PD regulator and robust control part The purpose of the robust controller is to ensure that the control ... position control law, and assuming that the force control consists of a proportional plus integral controller (PI) with gain K Fp and K Fi , respectively, and a force feed forward part, the control...

Ngày tải lên: 29/10/2013, 20:15

... is A11 and … and Xn is A1n, then Y = B11 and … and Ym = B1m R 2: if X1 is A21 and … and Xn is A2n, then Y = B21 and … Ym = B2m M R r: if X1 is Ar1 and … and Xn is Arn, then Y1 = Br1 and … and Ym ... sensors and are sent to both the teacher and the trainable controller During control of the robot by the teacher, the control signals and the state variables of the robot are sampled and stored ... self-organizing, and generalization Usually, learning and control in neurocontrollers are performed simultaneously, and learning continues as long as perturbations are present in the robot under control and/ or...

Ngày tải lên: 29/10/2013, 20:15

... 26.10) The control station consists of a TV monitor, and a control panel with joysticks and pushbutton commands Bi-directional radio links allow simultaneous transmission of Commands from the control ... model is very useful for system simulation and control 26.4 Control of Mobile Robots A variety of control systems with mobile robots are currently in use The simplest control systems were developed ... ultrasonic-based range-finder mounted on a pan -and- tilt unit This unit is located on the front end of the chassis and constantly rotates left -and- right and up -and- down independently of the speed of the...

Ngày tải lên: 09/11/2013, 05:15

... 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 Control ... Monitoring and Control 6.5 Other Process Phenomena 6.6 Future Direction and Efforts Acknowledgments References Forming Processes: Monitoring and Control 7.1 Introduction: Process and Control Objectives ... design handbook : modeling, measurement, and control / edited by Osita D.I Nwokah, Yildirim Hurmuzlu p cm (The Electrical engineering handbook series) Includes bibliographical references and index...

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 28.11 shows the principle ... power and control electronics, an AC servo-drive, and a harmonic drive reduction gear • Only one cable, which integrates the DC power supply and field bus signal fibers, connects the modules • The control...

Ngày tải lên: 17/12/2013, 13:15

... meals, pharmaceuticals, and documents along normal corridors Clear and simple user interfaces, robust robot navigation, and ability to open doors and operate elevators by remote control make it a pioneering ... 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) ... Zeiss, Germany, consists of a weight-balanced servo-controlled six-DOF arm, a computer control, and a graphical workstation for visualization and programming It carries a surgical microscope Movements...

Ngày tải lên: 17/12/2013, 13:15

... Springer–Verlag, New York, 1997 Arbib, M.A and Liaw, J.S., Sensori-motor transformations in the world of frogs and robots, Artif Intelligence, 72, 53, 1995 Bogoni, L and Bajcsy, R., Functionality investigation ... using a discrete event system approach, Robotics and Autonomous Syst., 13, 173, 1994 Cutkosky, M.R., On grasp choice, grasp models, and the design of hands for manufacturing tasks, IEEE Trans Robotics ... Tokyo, 1993 Leondes, C.T (Ed.), Mechatronic System Techniques and Applications, Transportation and Vehicular Systems, Vol 2, Gordon and Breach, Amsterdam, 2000 Hirose, S., A code of conduct for...

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 ... reduced costs and lead times in all engineering design stages, improved quality and accuracy, minimization of errors and their duplication, more efficient analysis tool, and accurate control and monitoring ... manage, and control the operations of a manufacturing system: computer-aided manufacturing (CAM) (Bedworth, Handerson, and Wolfe, 1991) In CAM, computers are either used directly to control and monitor...

Ngày tải lên: 23/01/2014, 06:20

... built, and an interface built to the control system Then the control system can control the simulation Depending on the fidelity and accuracy of the simulation, the control software can be sufficiently ... 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 represent memory locations; and Q1 represents ... (((I1 and M1) or (I5 and M2)) and not M5) then Q1;” or equivalently “If the clamp is closed and the system is in auto mode, or the move button is pressed and the system is in manual mode, and there...

Ngày tải lên: 23/01/2014, 06:20

... Dynamic modeling for control of the milling process, ASME Journal of Engineering for Industry, 110, 4, 367–375 50 Tomizuka, M and Zhang, S., 1988, Modeling and conventional adaptive PI control ... Houshmand, A A and Kannatey-Asibu, E., 1989, Statistical process control of acoustic emission for cutting tool monitoring, Mechanical Systems and Signal Processing, 3, 4, 405–424 24 Rangwala, S and ... T., Tlusty, J., and Smith, S., 1992, Use of audio signals for chatter detection and control, ASME Journal for Manufacturing Scientists and Engineers, 119, 146–157 45 Schofield, S and Wright, P.,...

Ngày tải lên: 23/01/2014, 06:20

... accuracy and the inability to reject disturbances Adaptive control techniques,5 which include adaptive control with optimization, adaptive control with constraints, and geometric adaptive control, ... generation, forced vibrations and regenerative chatter, and tool condition monitoring and control, respectively The next section discusses burr and chip formation and cutting temperatures These ... mechanics and monitoring and control modules, but also the machine tool structure and servo mechanisms A comprehensive simulator will allow the designer to investigate process monitoring and control...

Ngày tải lên: 23/01/2014, 06:20

... servo control of machine variables from fully controlling the process output Such control does, however, greatly reduce the process variability, and with good production control of material and ... higher accuracy and repeatability or by facilitating more mechanically complex machines to enhance process flexibility and control degrees of freedom In all cases, the properties of control loops: ... Part Shape Material feedback and shape feedback control loops actuator nonlinearities and drift It also can allow for a rapid change of set-points as production demands change However, it cannot...

Ngày tải lên: 23/01/2014, 06:20

... Tomizuka, M., and Langari, G., 1982, Modeling and adaptive control of arc-welding processes, Measurement and Control for Batch Manufacturing, Hardt, D E., ed., 65–75 Doumanidis, C., and Hardt, D.E., ... geometry, arc motion, and pool motion In this section, we focus on modeling and sensing of arc welding processes for control, even though control schemes are discussed in other chapters, and with specific ... DeVor, R.E., Chang, T., and Sutherland, J., 1992, Statistical Quality Design and Control, Contemporary Concepts and Methods, Macmillan, New York Dickinson, D W., Franklin, J E., and Stanya, A., 1980,...

Ngày tải lên: 23/01/2014, 06:20

... of good and poor accuracy and repeatability moving table fixed table FIGURE 10.4 Slideway straightness relationships (From Dorf, R and Kusiak, A., Handbook of Design, Manufacturing, and Automation, ... Slide and carriage rigid body relationships (From Dorf, R and Kusiak, A., Handbook of Design, Manufacturing, and Automation, John Wiley, New York, 1994 With permission.) 10.3.1 Rigid Body Motion and ... Dorf, R and Kusiak, A., Handbook of Design, Manufacturing, and Automation, John Wiley, New York, 1994 With permission.) FIGURE 10.14 Fixed and rotating sensitive directions (From Dorf, R and Kusiak,...

Ngày tải lên: 27/01/2014, 15:20

... (ii) active tendon, and (iii) generic interface In all cases, the same control architecture is used: a collocated piezoelectric actuator and force sensor connected by a local controller with an ... actuator and the force sensor It can, therefore, be regarded as a compound index of controllability and observability of mode i νi is readily available from commercial finite element programs and can ... that in addition to being simple and robust, the control law can be implemented in an analog controller, which performs better in microvibrations 11.3 Active Tendon Control The use of cables to achieve...

Ngày tải lên: 27/01/2014, 15:20

... tuned and damped if adjustable stiffness and damping are selected as kopt = ma m 2ω p ( ma + m p ) 3kopt , copt = ma 2( ma + m p ) (12.7) 12.2.2.2 Broadband Excitation In broadband vibration control, ... (thindotted); and re-tuned absorber (thick-solid) settings (From N Jalili and N Olgac, 2000, Journal of Guidance, Control, and Dynamics, 23 (6), 961–990 With permission.) 12.2.2.3 Simulations To ... response, ambient environment, and service life SA suspensions provide vibration suppression solutions for tonal and broadband applications with a small amount of control and relatively low cost However,...

Ngày tải lên: 27/01/2014, 15:20