Closed loop system

A control system is a collection of components working together under the direction of some machine intelligence. In most cases, electronic circuits provide the intelligence, and electromechanical components such as sensors and motors provide the interface to the physical world. A good example is the modern automobile. Various sensors supply the on-board computer with information about the engine’s condition. The computer then calculates the precise amount of fuel to be injected into the engine and adjusts the ignition timing. T...

661p hoanglong89hui 24-06-2010 206 101   Download

Mechatronics Dc Motor - Tachometer Closed-Loop Speed Control System

29p nguyen3 13-11-2009 161 54   Download

This book will discuss the topic of Control Systems, which is an interdisciplinary engineering topic. Methods considered here will consist of both "Classical" control methods, and "Modern" control methods. Also, discretely sampled systems (digital/computer systems) will be considered in parallel with the more common analog methods. This book will not focus on any single engineering discipline (electrical, mechanical, chemical, etc), although readers should have a solid foundation in the fundamentals of at least one discipline....

208p 326159487 17-05-2012 48 13   Download

The current control problems present natural trend of increasing its complexity due to performance criteria that is becoming more sophisticated. The necessity of practicers and engineers in dealing with complex dynamic systems has motivated the design of controllers, whose structures are based on multiobjective constraints, knowledge from expert, uncertainties, nonlinearities, parameters that vary with time, time delay conditions, multivariable systems, and others.

0p aries23 29-09-2012 39 9   Download

Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Research Article Continuous Drug Infusion for Diabetes Therapy: A Closed-Loop Control System Design

10p sting10 24-02-2012 26 4   Download

Chương 1 - Giới thiệu về hệ thống điều khiển tự động. Chương này cung cấp cho người học các kiến thức: Lịch sử phát triển của cơ sở tự động, two types of control systems, closed-loop control, multivariable control system,... Mời các bạn cùng tham khảo nội dung chi tiết.

62p tangtuy18 21-07-2016 17 2   Download

Tuyển tập các báo cáo nghiên cứu về lâm nghiệp được đăng trên tạp chí lâm nghiệp Original article đề tài: 2 CO response curves can be a measured with field-portable closed-loop photosynthesis system...

5p toshiba9 12-10-2011 29 1   Download

After modeling and analyzing the system, this paper suggests a new control method using an online learning neural network in closed-loop to control the Pan-Tilt platform that moves the Camera to keep tracking an unknown moving object.

11p dieutringuyen 07-06-2017 9 1   Download

Keywords: Screw Drive, Dynamic Model, Vibration Modes, Ritz Series. Abstract. The ball screw drives are among the most commonly mechanisms used to provide motion in high speed machine tools. The most important factor that affects high speed positioning accuracy is the closed loop bandwidth, which in turn is affected by the structural vibration modes.

13p nvavan 12-01-2010 130 30   Download

What is a line follower? Line follower is a machine that can follow a path. The path can be visible like a black line on a white surface (or vice-versa) or it can be invisible like a magnetic field. Why build a line follower? Sensing a line and maneuvering the robot to stay on course, while constantly correcting wrong moves using feedback mechanism forms a simple yet effective closed loop system.

17p tunghangul 22-09-2010 98 21   Download

In this book, a set of relevant, updated and selected papers in the field of automation and robotics are presented. These papers describe projects where topics of artificial intelligence, modeling and simulation process, target tracking algorithms, kinematic constraints of the closed loops, non-linear control, are used in advanced and recent research. Also, the lecturer can find some of the new methodologies applied to solve complex problems in the field of control and robotic research fields....

396p bi_bi1 06-07-2012 50 14   Download

Chapter 10 Synthesis of Closed Loop Control Systems 10.1.Vai trò của sửa: tình thế tiến thoái lưỡng nan ổn định chính xác phương pháp điều chỉnh bao gồm trong chương này tham khảo để cân nhắc về hành vi vô hướng. Là cơ sở để hiểu rằng các chi tiết kỹ thuật quy định các buổi biểu diễn vòng lặp kín sẽ được dịch bởi các ràng buộc trên đáp ứng tần số của hệ thống mở vòng lặp sửa chữa.

44p hoa_thuyvu 13-10-2011 28 3   Download

Conventional servo systems, to ensure machine performance, smoothness, positional error and low servo noise, require the adjustment of its servo’s gains as an initial crucial step. Even systems that employ auto-tuning require manual tweaking after the system is installed, especially if more that one axis are interdependent. Ezi-SERVO® employs the best characteristics of stepper and closed loop motion controls and algorithms to eliminate the need of tedious gain tuning required for conventional closed loop servo systems.

16p dienvietnam 09-10-2012 76 20   Download

Động cơ bước được sử dụng rộng rãi trong các ứng dụng điều khiển và đo lường. Một vài ứng dụng động cơ bước đơn giản mà công ty Việt Vmicro đang thực hiện: XY table (CNC – close loop control), Boat loader (Furnace System), Bơm l lượng… ngoài ra Động cơ bước (trong tài liệu sẽ gọi là STEP) còn được ứng dụng rộng rãi trong các hệ thống máy từ đơn giản đến phức tạp, yêu cầu độ chính xác cao.

9p gaugau1905 09-12-2015 42 18   Download

CHAPTER 43 FLUID POWER SYSTEMS AND CIRCUIT DESIGN Russ Henke, RE. Russ Henke Associates Elm Grove, Wisconsin 43.1 PRESSURE PLOTS / 43.2 43.2 FLOW PLOTS / 43.2 43.3 POWER PLOTS / 43.3 43.4 CYCLE PROFILE / 43.4 43.5 CIRCUIT DESIGN / 43.4 43.6 OPEN-LOOP AND CLOSED-LOOP CIRCUITS / 43.5 43.7 CONSTANT-FLOW VERSUS DEMAND-FLOW CIRCUITS—OPEN LOOP / 43.12 43.8 DEMAND-FLOW CIRCUITS / 43.20 43.9 HYDRAULIC VERSUS PNEUMATIC SYSTEMS / 43.28 43.10 PNEUMATIC CIRCUITS / 43.28 43.11 EFFECT OF FLUID CHARACTERISTICS ON ACTUATOR PERFORMANCE / 43.28 43.

48p hadalabo 29-09-2010 42 9   Download

In Chapters 7 and 8 we saw how adaptive control may be used as a systematic design tool to develop dynamic controllers for systems with a great deal of uncertainty while still being able to achieve good closed-loop performance. The techniques presented there, however, assumed that full state information is available for feedback. In this chapter we will extend these tools to develop adaptive output-feedback controllers for both stabilization and tracking.

38p tienvovan 16-09-2010 45 6   Download

Closed-loop control systems Chuyển giao chức năng vòng kín Bất kỳ hệ thống trong đó số lượng đầu ra được theo dõi và so sánh với các đầu vào, bất kỳ sự khác biệt đang được sử dụng để actuate hệ thống cho đến khi đầu ra bằng các đầu vào được gọi là một vòng khép kín hoặc hệ thống điều khiển phản hồi.

47p hoa_thuyvu 13-10-2011 31 5   Download

There are two things to note about this algorithm. First, low selectivity filters might cause there to be fewer than one result (on average) per element of the outer loop, though it is in general possible for each tuple to match with more than one predicate. As in any database system with these properties, it is advantageous to apply our filters as close as possible to the data source in a sensor network since this would reduce the total number of data transmis- sions in the network. Second, elements of predicates are independent of each other. Thus, predicates...

11p nhacsihuytuan 06-04-2013 22 4   Download

Second-Order Systems 6.002 Fall 2000 Lecture 15 1 .Second-Order Systems Demo 2KΩ A + – large loop 5V 50Ω S 5V 2KΩ B CGS C Our old friend, the inverter, driving another. The parasitic inductance of the wire and the gate-to-source capacitance of the MOSFET are shown [Review complex algebra appendix for next class] 6.002 Fall 2000 Lecture 15 2 .Second-Order Systems Demo 2KΩ A + – large loop 5V 50Ω S 5V 2KΩ C B CGS Relevant circuit: 2KΩ L CGS B 5V + – 6.002 Fall 2000 Lecture 15 3 .

19p thachcotran 04-02-2010 62 3   Download

Feedback is an integral part of our lives. Try touching your fingertips with your eyes closed; you may not succeed the first time because you have broken a feedback loop that ordinarily “regulates” your motions. The regulatory role of feedback manifests itself in biological, mechanical, and electronic systems, allowing precise realization of “functions.” For example, an amplifier targeting a precise gain of 2.00 is designed much more easily with feedback than without.

16p vanmanh1008 23-05-2013 15 2   Download