PPT-Control System Design Based on Frequency Response Analysis
Author : sherrill-nordquist | Published Date : 2018-11-01
Frequency response concepts and techniques play an important role in control system design and analysis ClosedLoop Behavior In general a feedback control system
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Control System Design Based on Frequency Response Analysis: Transcript
Frequency response concepts and techniques play an important role in control system design and analysis ClosedLoop Behavior In general a feedback control system should satisfy the following design objectives. A linear system such as an SDOF or an MDOF when subjected to sinusoidal excitation will respond sinusoidally at the same frequency and at specific amplitude that is characteristic to the frequency of excitation The phase of the response in general c 01 01 10 20 15 10 5 02 04 06 08 y brPage 4br EE392m Winter 2003 Control Engineering 44 Example Servosystem command More stepper motor flow through a valve motor torque I control Introduce integrator into control Closedloop dynamics gk gk gk Page 1 of 6 www.oasys-software.com Footfall Vibration and Finite Element Analysis Introduction The possibility of human footfall loading leading to excessive vibration of structures has long been Spectral Analysis. &. Programming Options. Spectral Analysis Lab Agenda. Spectral Analysis and Aliasing. Experiment 6b . LabView. Preparation. 6b Experimental Idea- Impulse Input (Optional). 2. Spectral Analysis. Final Report. 8 April 2014. Team Couch Street. Alex Arlint. Jake . Nylund. Kevin . Ratuiste. Robert Rodriguez. Academic Advisor:. . . Joseph . Hoffbeck. Industry Representative:. . John Turner – . Filtering Overview. Filter- To remove some components of an input and pass others. We will concentrate on Finite Impulse Response (FIR) filters. Different approaches to filtering. Hardware filters. Filtering by conversion to frequency domain. The future of frequency control. 1. EFCC – the future of frequency control. 2. Three year, £8.5 million project which started in 2015. Changes to the energy landscape have identified potential future system operability challenges . SMART Frequency Control. (Enhanced Frequency Control Capability, EFCC). Charlotte Grant . March . 2015. 2. System Operability Framework….. Forecasted reduction of system inertia from 360GW/s to 150GW/s (by 2025 under Slow Progression or 2022 with Gone Green). Session 2.1. Response Analysis: Overview. Setting the scene. Defining response analysis. Why response choice matters. Situating response analysis in the project cycle. Types of response options. Identifying response options. There are two possible causes of difference between measured value and desired value:. Disturbance and noise. Change of set point, where the control system must act to bring the measured quantity to the new set point. Read Chapter 11 of Razavi 1 2 General Form of H(s) 3 i(t) v(t) R L Example: R - L Circuit 4 Example: R - L Circuit |H( f )| f f p 0 dB Slope = + 6 dB/octave & 20 dB/decade + - 3 dB f f p Slope = Industry Advisory Generator Governor Frequency Response Troy Blalock South Carolina Electric and GasBob Cummings NERC Reliability Initiatives and System AnalysisRich Bauer NERC Reliability Risk Manage Marc Moonen. Dept. E.E./ESAT-STADIUS, KU Leuven. marc.moonen@esat.kuleuven.be. www.esat.kuleuven.be. /. stadius. /. Filter Design Process. Ste. p. -1. : Define filter specs . . P. ass-band, stop-band, optimization criterion,…. SMART Frequency Control. (Enhanced Frequency Control Capability, EFCC). Charlotte Grant . March . 2015. 2. System Operability Framework….. Forecasted reduction of system inertia from 360GW/s to 150GW/s (by 2025 under Slow Progression or 2022...
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