... adaptive controllers For this class of adaptivecontrollers, the torque control is given by (6.4.5) Trang 5Adaptive Control of Robotic Manipulators 352Note that many types of torque controllers ... approach can be used to develop a class of torque control laws andadaptive update rules for the control of robot manipulators Passive Adaptive Controller First, we define an auxiliary filtered ... the adaptive inertia-related controller That is, we define Figure 6.3.2: Simulation of the adaptive inertia-related controller. Trang 3Adaptive Control of Robotic Manipulators 350our tracking
Ngày tải lên: 10/08/2014, 02:21
... feedback-linearizing control thatwill globally linearize the robot manipulator equation and then develop linearcontrollers to track the desired force and position trajectories First, the control designer ... Stiffness Controller for a Cartesian Manipulator We want to design and simulate a stiffness controller for the robot desired normal force of f d1 =2 N We neglect the surface friction (i.e., f2) and ... Position/Force Control A major disadvantage of the stiffness controller given in Section 9.2 is that itcan only be used for set-point control; in other words, the desired end effectormanipulator position and
Ngày tải lên: 10/08/2014, 02:21
Tài liệu Matlab tutorial for systems and control theory pdf
... command 1;MATLAB command 2; MATLAB command 3; The name of the m-file for this function is functionname.m and it is called from the MATLAB command line or from another m-file by the following command ... vectors include the commands: ‘linspace’ which generates a vector by specifying the first and last number and the number of equally spaced entries between the first and last number, and ‘logspace’ which ... = true) and zeros (0 = false) Be careful of the distinction between ‘=’ and ‘==’ 5.3 Flow control operations MATLAB contains the usual set of flow control structures, e.g., for, while, and if,
Ngày tải lên: 12/12/2013, 07:15
Tài liệu An Introduction to Intelligent and Autonomous Control-Chapter 10: Learning Control Systems pdf
... and compared to traditional control approaches such as gain scheduled robust and adaptive control, as well as to earlier learning control paradigms The discussion and examples that follow will ... adaptive, and "manual learning” techniques The relationships between these approaches and the learning control approach are important and are discussed in the following paragraphs Trang 4Robust control ... evaluate the modified control law After the initial control system has been designed, extensive empirical evaluation and tuning (manual adjustment and redesign) of the nominal control system is often
Ngày tải lên: 14/12/2013, 12:15
Tài liệu Programmability and specialized circuits pdf
... Williams & Wilkins > Table of Contents > 4 - Programmability and Specialized Circuits 4 Programmability and Specialized Circuits Permanent Pacemaker Programmability Programmability often ... V and pulse width at 0.6 msec, fewer electrons are used per paced beat and battery life is preserved It should be emphasized that this approach is useful only if the chronic threshold is low and ... threshold is low and stable, and not all 5 V are required to pace the patient at a pulse width of 0.6 msec The low threshold is demonstrated by programming the voltage to 1.3 V and observing that
Ngày tải lên: 24/01/2014, 01:20
RECENT ADVANCES IN ROBUST CONTROL – NOVEL APPROACHES AND DESIGN METHODSE Part 5 pdf
... proposed AWNN control system is comprised of a NN controller and a compensated controller The neural controller using a WNN is designed to mimic an ideal controller and a robust controller is ... that is used to mimic the computed control law, and the robust controller is designed to compensate the difference between the computed control law and the WNN controller Now the problem is divided ... switching control design based on PI control (Alvarez-Ramirez et al., 2001), optimal control (Hsieh, Yen, & Juang, 2005), sliding-mode control (Vidal-Idiarte et al., 2004), fuzzy control (Vidal-Idiarte
Ngày tải lên: 19/06/2014, 08:20
Nuclear Power Control, Reliability and Human Factors Part 1 pdf
... instrumentation and control, operation reliability, system aging and human-machine interfaces.The book opens with the section on instrumentation and control aspects of nuclear power The following sections and ... Evolution of Safety Ensuring 27 Vyacheslav Kharchenko, Olexandr Siora and Volodymyr Sklyar Chapter 3 Nuclear Power Plant Instrumentation and Control 49 H.M Hashemian Chapter 4 Design Considerations ... Aghina, Antônio Carlos A Mól, Carlos Alexandre F Jorge, André C do Espírito Santo, Diogo V Nomiya, Gerson G Cunha, Luiz Landau, Victor Gonçalves G Freitas and Celso Marcelo F Lapa Chapter 21 Risk
Ngày tải lên: 19/06/2014, 11:20
Nuclear Power Control, Reliability and Human Factors Part 3 pdf
... such as feedwater control, main turbine control, and recirculation control (U.S NRC, 2011; IAEA, 1999) By the 1990s, microprocessors were being used for data logging, control, and display for many ... components in their control and safety systems (IAEA, n.d.) Today, control panel instruments such as controllers, display meters, and recorders are mostly digital Most diagnostic and measuring equipment ... robustness and safety margins, and accident probability assumptions For example, both Three Mile Island and Fukushima underscored the critical role of I&C signals in enabling operators to understand
Ngày tải lên: 19/06/2014, 11:20
Nuclear Power Control, Reliability and Human Factors Part 5 pdf
... control system, and status and demands between the SNPS control system and spacecraft or ground control The fault management and configuration management functionalities are interrelated and depend ... components, and incipient operational events or failures The communication functionality involves control and measurement signals to and from the field devices, information and commands within the control ... outputs, commands from redundant or diverse controllers, and status indicators from various monitoring and diagnostic modules The control functionality includes direct plant or system control and supervisory
Ngày tải lên: 19/06/2014, 11:20
Nuclear Power Control, Reliability and Human Factors Part 7 pdf
... Undeclarednuclear activities and/or illegal use and transport of nuclear fuel can be detected throughdetermination of the isotopic ratios of U and Pu in such samples Accurate assessment andmonitoring of ... existing NPPs and the possible futureoperation of new plants demand accurate investigations about the possible contamination by radioactive releases of nuclear sites and neighboring territory and of ... (Wallner et al.,2000) and at the accelerator of Weizmann Institute, Israel (Berkovits et al., 2000) New AMSactinides line based on 1MV and 3 MV tandems have recently been and will be installed,respectively,
Ngày tải lên: 19/06/2014, 11:20
Báo cáo hóa học: " Research Article Design and Implementation of a Generic Energy-Harvesting Framework Applied to the Evaluation of a Large-Scale Electronic Shelf-Labeling Wireless Sensor Network" pdf
... emulation of 3.49 V and 2000 mAh, we could define a full battery with initial voltage of 3.49 V and a harverster which is equal to zero and blue line is the voltage, starting at 34.9 dV and it will decrease ... V and a harverster which is equal to 0.855 mA (50) and to check if there is enough energy and if the radio can be enabled Failing to do this would put the DUT in an endless starting at 0 dV and ... more than ten thousand nodes. Find out if CSMA-CA is sufficient for our use case and which parameters (e.g., backoff windows, clear channel assessment, retries, etc.) are important and which are not
Ngày tải lên: 21/06/2014, 11:20
Industrial Robotics (Theory, Modelling and Control) - P9 pdf
... model following force control in s-domain Profiling control is the basic strategy for sanding or polishing, and it is formed by both force control and position/orientation control However, it ... system and the robot control system, and the influences of the disturbances caused by the joint friction and the gravity of the robot need to be solved In this chapter, a visual feedback control ... ȟ and Dž ptc are minute increments of ȟ and ptc , respectively, and J f=ptc Ǘ ∂ ∂ ∈R6×6 is a feature sensitivity matrix Furthermore, let ș and Dž ș∈R6×1 are a joint angle vector of the robot and
Ngày tải lên: 21/06/2014, 15:20
Electronic Business: Concepts, Methodologies, Tools, and Applications (4-Volumes) P28 pdf
... redesigns: denotes sudden and major shifts in a Web site that involve more than mere alterations in look and feel They usually imply changes to the number and organization of pages and functionality ... Loiacono and McCoy, 2004) Design & aesthetics (DA): these features measure that the design of the site is aesthetically pleasing and that its ‘look and feel’ is appropriate for the content and ... content to promote the products and/or services of the company, build brand identity and informs the customers of conditions related to a transaction For example, electronic catalogue of products,
Ngày tải lên: 07/07/2014, 10:20
Electronic Business: Concepts, Methodologies, Tools, and Applications (4-Volumes) P32 pdf
... each of them and their suppliers. E-Business (Electronic Business): The administration of conducting business via the Internet. This would include the buying and sell- ing of goods and services, ... results of a multi- stranded investigation into the extent to which organisations are prepared to make use of the Internet in buying and selling, and into the patterns of life and death of B2B exchanges. ... collaborative planning forecasting and replenishment, and vendor managed inven- tory. In addition, electronic linkages also were developing for the easier sharing of technical and GHVLJQGDWDHQFRXUDJLQJLQWHU¿UPFROODERUD-
Ngày tải lên: 07/07/2014, 10:20
Electronic Business: Concepts, Methodologies, Tools, and Applications (4-Volumes) P42 pdf
... strategies, and responds rapidly to the changing, diverse, and unpredict-able demands of the customer Thus demand uncertainty and supply uncertainty remained a framework for understanding both ... and stable, supply process Lee GH¿QHGWKHstable supply process, where manufac-turing process and technology were mature and ‘stable’, and the evolving supply process, where manufacturing and ... International Standard ISO/IEC JTC1/SC 30 Geneva, Switzerland: International Standards Organization Jo, K Y., Pottmyer, J J., & Fetzner, E A (1995) DoD electronic commerce/electronic data
Ngày tải lên: 07/07/2014, 10:20
Electronic Business: Concepts, Methodologies, Tools, and Applications (4-Volumes) P44 pdf
... numbers and new revenue streams; greater cultural understand-ing and improved community involvement; up-skilling of the operational staff and the business itself; enhanced local, regional, and international ... customer groups, offering different products and services, increasing the product and service relevance, and the like The selected pharmacy product and services mixes (to be marketed) are automated ... Regional and Internal Business Intelligent integrated database interpretation and support Customer intelligence support Knowledge and learning pathways Service value network delivery Value adds and
Ngày tải lên: 07/07/2014, 10:20
Electronic Business: Concepts, Methodologies, Tools, and Applications (4-Volumes) P59 pdf
... compose, and use, on demand, the services published there As the most common service registries (i.e., UDDI and ebXML registries) do not support the storage and maintenance of ontologies and/or ... have taken into consideration and exam-ined already available ontologies and e-business Trang 9standards As a result, we have reused and built on already established and widely used domain NQRZOHGJHHOLPLQDWLQJWKHGDQJHURI³UHLQYHQWLQJ ... process layer and the business scenarios and rules layer adds business intelligence in the applied SOA, allowing the automated composition and orchestration of the deployed Web services, and supporting
Ngày tải lên: 07/07/2014, 10:20
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
... the VCS with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 459 Fig. 11. ... voltage controlled os- cillator and controller output. This reference value is determi- nated by reference inputs, for amplitude and duration and for frequency. Both of these signals are controlled ... formulation and for further research of both the phase angle control and switch mode control behavior for the electromagnetic vibratory conveying drive. Simulations and experimental results and their...
Ngày tải lên: 03/01/2014, 19:16
Tài liệu Modeling, Measurement and Control P3 pdf
... each control a region or subsystem of the machine, and these PLCs communicate and cooperate to control the entire machine. These distributed systems are easier to wire up, and can be designed and ... Event Control of Manufacturing Systems 3.1 Introduction 3.2 Background on the Logic Control Problems Logic Control Denition ã Control Modes ã Logic Control Specication ã 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 represent memory locations; and Q1 represents...
Ngày tải lên: 23/01/2014, 06:20
Tài liệu Modeling, Measurement and Control P12 pdf
... time-varying controllable damping and spring. The concept of SA control 36 has been developed and demonstrated to be a viable suspension alternative. Although not rigorously proven, damper and stiffness ... response, ambient envi- ronment, and service life. SA suspensions provide vibration suppression solutions for tonal and broadband applications with a small amount of control and relatively low cost. ... Vibration and Acoustics, 120(4), 833–841. 7. Soong, T. T. and Constantinou, M. C., 1994, Passive and Active Structural Control in Civil Engineering, Springer-Verlag, Wien. 8. Olgac, N. and Holm-Hansen,...
Ngày tải lên: 27/01/2014, 15:20