system response

system response - Course Outline Week 28 July Introduction...

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1 Mech Mech 3800 : System Control 3800 : System Control System Response System Response Dr. Stefan B. Williams Dr. Stefan B. Williams Mech 3800 : Introduction Slide 2 Course Outline Course Outline BREAK 14 Assignment 4 Due Advanced Control Systems Topics 27 Oct. 13 Case Study 20 Oct. 12 Design Techniques for Feedback 2 13 Oct. 11 Design Techniques for Feedback 06 Oct. 10 Assignment 3 Due Bode Plots 2 22 Sept. 9 Bode Plots 15 Sept. 8 Root Locus 2 08 Sept. 7 Assignment 2 Due Root Locus 01 Sept. 6 Feedback System Characteristics 25 Aug. 5 Assignment 1 Due System Response 18 Aug. 4 Block Diagrams 11 Aug. 3 Frequency Domain Modelling 04 Aug. 2 Introduction 28 July 1 Assignment notes Content Date Week Dr. Stefan B. Williams Mech 3800 : Introduction Slide 3 Engineering as Design Engineering as Design • Engineering Design is the systematic, intelligent generation and evaluation of specifications for products whose form and function achieve stated objectives and satisfy specified constraints • The purpose of design is to derive from a set of specifications a description of a product sufficient for its realization Dr. Stefan B. Williams Mech 3800 : Introduction Slide 4 Problem Identification Problem Identification • Design constraints must be identified – Restrictions or limitations on a behaviour or a value or some other aspect of a designed object’s performance • Requirement analysis – allows us to verify that we have reached a solution – a description of the requirements that characterise a solution – the criteria to be used to verify that the requirements have been met – produces an understanding of the nature and scope of the remaining activities
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2 Dr. Stefan B. Williams Mech 3800 : Introduction Slide 5 System Specifications System Specifications • Specifications are precise descriptions of the properties of the object being designed • Design specifications articulate in a numerical or measurable way what a design is supposed to do and provide the basis for evaluating that design Prescriptive specifications – specify values of attributes that designed object must meet to be successful Procedural specifications – identify procedures or methods to be used in calculating attributes Performance specifications – characterise the desired behaviour or performance of the system Dr. Stefan B. Williams Mech 3800 : Introduction Slide 6 Response Vs. Pole Location Response Vs. Pole Location • As we saw previously, a qualitative understanding of the effect of poles and zeros on the system response can help us to quickly estimate performance Re{s} Im{s} stable unstable Dr. Stefan B. Williams Mech 3800 : Introduction Slide 7 Response Vs. Pole Location • We would now like to gain a deeper insight into the system performance as a function of pole and zero locations • This will help us to describe the system performance quantitatively • We will also see how this allows us to design a system to meet certain design constraints Dr. Stefan B. Williams Mech 3800 : Introduction Slide 8 General First Order System
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system response - Course Outline Week 28 July Introduction...

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