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3 edition of Progress report on Multi-input multi-output system control for experimental aircraft found in the catalog.

Progress report on Multi-input multi-output system control for experimental aircraft

D. K Schmidt

Progress report on Multi-input multi-output system control for experimental aircraft

NCC2-288, December 13, 1985

by D. K Schmidt

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Published by National Aeronautics and Space Administration, National Technical Information Service, distributor in [Washington, DC, Springfield, Va .
Written in English


Edition Notes

Statementprincipal investigator, David K. Schmidt
SeriesNASA contractor report -- NASA CR-177017
ContributionsUnited States. National Aeronautics and Space Administration
The Physical Object
FormatMicroform
Pagination1 v
ID Numbers
Open LibraryOL14983150M

The wind turbine is a variable-speed, aerodynamic rotor system with a counter-rotating generator. The tether serves to both anchor the device and transmit electricity to ground-based power electronics. A multi-input multi-output, robust, and nonlinear control system coordinates the . Multi-Drive Paper System Control Based on Multi-Input Multi-Output PID controller Boumediène ALLAOUA, Abdellah LAOUFI and Brahim GASBAOUI 60 Introduction Paper industries require several drives for paper processing. In the past, a single mechanical line shaft was used for all drives [1]. Nowadays independent drives are used [2].

By the late s control methods based on the state-space approach (i.e. optimal con-trol, filtering and so on) have been begun to develop and gave excellent results in control of complicated aerospace and industrial objects, which are described in the state-space by multi-input and multi-output systems. A dynamic model for a one-degree-of-freedom (DOF) twin rotor multi-input multi-output (MIMO) system (TRMS) in hover is obtained using a black-box system identification technique. The behaviour of the TRMS in certain aspects resembles that of a helicopter; hence, it is an interesting identification and control problem. This paper investigates modelling and open-loop control of the longitudinal Cited by:

Although this approach successfully demonstrated the use of a wideband feedback system with MHz bandwidth at a Gs/sec. sample rate, experimental and simulation studies suggest limitations for the diagonal control architecture with FIR filters in terms of uniform damping for multi-modal instabilities, ability to provide resistive damping. Clearance: see certification Closed-loop control: outputs from the aircraft (or system) are measured and fed back to provide corrective action Command path: part of control system between physical input (e.g. pilot's stick) and the point where feedback is applied Conditionally stable: a system that is stable only for a range of values of a.


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Progress report on Multi-input multi-output system control for experimental aircraft by D. K Schmidt Download PDF EPUB FB2

Get this from a library. Progress report on Multi-input multi-output system control for experimental aircraft: NCC, Decem [David K Schmidt; United States.

National Aeronautics and Space Administration.]. Abstract. In the previous chapter, the control design principle and algorithm for SISO affine nonlinear systems are elaborated.

This type of systems has only one input, i.e. control variable u and one output y(t).As we know, however, multi-machine power systems are large nonlinear ones with multiple inputs and multiple outputs (MIMO).Author: Qiang Lu, Yuanzhang Sun, Shengwei Mei. Twin-rotor multi-input multi-output system (TRMS) is a popular experimental setup utilized mostly for development and evaluation of aerovehicle control algorithms.

CONTENTS Preface v Chapter 1 Nonlinear Systems and Describing Functions I Introduction 1 Nonlinear-system Representation 3 Behavior of Nonlinear Systems 7 Methods of Nonlinear-system Study 9 The Describing Function Viewpoint 14 A Unified Theory of Describing Functions 18 About the Book 37 Chapter 2 Sinusoidal-input Describing Function (DF) 41Cited by: of the longitudinal control system is to stabilize the motion of the aircraft.

Since the longitudinal flight control system is an SISO system, it is not evalu-ated in this report. The XA high angle-of-attack a, lateral directional control system is multiloop.

Fig-ure 2 shows the major digital and dynamic elements. MIMO Control System. This example shows how to build a MIMO control system using connect to interconnect Numeric LTI models and tunable Control Design Blocks. Consider the following two-input, two-output control system.

The plant G is a distillation column with two inputs and two outputs. Input Shaping enhanced Active Disturbance Rejection Control for a twin rotor multi-input multi-output system (TRMS). The experimental results demonstrate the effectiveness of the proposed method. The operation of the controller allows for an excellent set-point tracking behavior and disturbance rejection with system nonlinearity and complex Cited by: The TRMS is a laboratory setup developed by Feedback Instruments Ltd for control experiments, as shown in Fig.

TRMS is considered as a challenging engineering problem because of its high non-linearity and strong cross-coupling action between pitch and yaw, together with the inaccessibility of some states and outputs for TRMS consists of a beam pivoting on a tower Cited by: The model has three states and represents a multi-input, multi-output (MIMO) system.

The number of states is n=3and the number of inputs and outputs is r= m=2. The eigenvalues of the open-loop system are λOL= {−,±j}.

Since the open-loop system is unstable, some form of feedback is required to produce a stable Size: KB. Tracking control for a velocity-sensorless VTOL aircraft with delayed outputs This paper proposes a nonlinear adaptive control for output tracking of multi-input multi-output nonlinear.

A dominant presence of parametric model uncertainties necessitates an adaptive approach for control of very flexible aircraft (VFA). This paper proposes an adaptive controller that includes a baseline design based on observers and parameter adaptation based on a closed-loop reference model (CRM), and is applicable for a class of multi-input multi-output (MIMO) plants where number of outputs.

CBE Process Control Application Korea University III -2 Multi-Input Multi-output (MIMO) Processes • Single-input single-output (SISO) processes – One CV and one MV: No need of pairing • Multi-input Multi-output (MIMO) processes – Several CV’s and several MV’s – SIMO and MISO – The numbers of CV’s and MV’s are not.

Extensions of Input-Output Stability Theory and the Control of Aerospace Systems James Richard Forbes Doctor of Philosophy Graduate Department of Aerospace Science and Engineering University of Toronto This thesis is concerned with input-output stability theory.

Within this framework, it is ofCited by: 6. Multi-Input Multi-Output Model-Following Control Design Methods for Rotorcraft J. Michael Spires, Joseph F.

Horn, The Pennsylvania State University May 5, Your Path: Home > Multi-Input Multi-Output Model-Following Control Design Methods for RotorcraftCited by: 1. eigenvalue assignment using state feedback control for linear time-invariant multi-input multi-output (MIMO) systems.

Since then, numerous methods and algorithms involving both state and output feedback control have been developed to exercise those degrees of freedom to give the systems some good performance characteristics. Some 20 years ago,File Size: KB.

MODEL REFERENCE ADAPTIVE CONTROL FOR MULTI-INPUT-MULTI-OUTPUT FIRST ORDER SYSTEM S. COMAN1 C. BOLDIŞOR1 Abstract: In this paper, the authors propose to illustrate how the model reference adaptive control theory related to SISO (single-input-single-output) systems can be extended for a class of MIMO (multi-input-multi-output) Size: KB.

Adaptive Output-Feedback Control with Closed-Loop Reference Models and Applications to Very Flexible Aircraft Zheng Qu andAnuradha Annaswamyy Massachusetts Institute of Technology, Cambridge, MAUSA. This paper proposes an adaptive controller.

NASA Images Solar System Collection Ames Research Center. Brooklyn Museum. Full text of "Progress report" See other formats. American Institute of Aeronautics and Astronautics Sunrise Valley Drive, Suite Reston, VA Index Terms—Actuator uncertainty, adaptive control, Hamil-tonian system, multiple-input–multiple-output (MIMO) system control, smooth projection algorithm, spacecraft attitude control.

INTRODUCTION A DAPTIVE control of multi-input–multi-output (MIMO) dynamic systems with uncertain parameters has been ex-tensively studied in the literature.

Combining and Connecting Linear, Multi-Input, Multi-Output Subsystem Mod els Author: Eugene L. Duke Subject: H Keywords: Linear systems; Linear models; State space Created Date: 4/11/ PM.In real aircraft structures the comfort and the occupational performance of crewmembers and passengers are affected by the presence of noise.

In this sense, special attention is focused on mechanical and material design for isolation and vibration control. Experimental characterization and, in particular, experimental modal analysis, provides information for adequate cabin noise by: 7.NASA Images Solar System Collection Ames Research Center.

Brooklyn Museum. Full text of "Automatic Control Of Aircraft & Missile (Blakelock)".