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Parameter Estimation Of Actuators For Benchmark Active Control Technology Bact Wind Tunnel Model With Analysis Of Wear And Aerodynamic Loading Effects
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Book Synopsis Parameter Estimation of Actuators for Benchmark Active Control Technology (BACT) Wind Tunnel Model with Analysis of Wear and Aerodynamic Loading Effects by : Martin R. Waszak
Download or read book Parameter Estimation of Actuators for Benchmark Active Control Technology (BACT) Wind Tunnel Model with Analysis of Wear and Aerodynamic Loading Effects written by Martin R. Waszak and published by . This book was released on 1998 with total page 36 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Aeroelastician's Perspective of Wind Tunnel and Flight Experiences with Active Control of Structural Response and Stability by :
Download or read book An Aeroelastician's Perspective of Wind Tunnel and Flight Experiences with Active Control of Structural Response and Stability written by and published by . This book was released on 1984 with total page 82 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Linear Parameter-varying Gain-scheduled Control of Aerospace Systems by : Jeffrey Michael Barker
Download or read book Linear Parameter-varying Gain-scheduled Control of Aerospace Systems written by Jeffrey Michael Barker and published by . This book was released on 1999 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1999-07 with total page 1154 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1996 with total page 948 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis NASA Langley Scientific and Technical Information Output: 1998 by :
Download or read book NASA Langley Scientific and Technical Information Output: 1998 written by and published by . This book was released on 1999 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Aerodynamics and Active Controls. Selected NASA Research by :
Download or read book Advanced Aerodynamics and Active Controls. Selected NASA Research written by and published by . This book was released on 1981 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Estimation of Aircraft Nonlinear Unsteady Parameters From Wind Tunnel Data by : Vladislav Klein
Download or read book Estimation of Aircraft Nonlinear Unsteady Parameters From Wind Tunnel Data written by Vladislav Klein and published by . This book was released on 1998 with total page 46 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Design Rules for Actuators in Active Mechanical Systems by : Oriol Gomis-Bellmunt
Download or read book Design Rules for Actuators in Active Mechanical Systems written by Oriol Gomis-Bellmunt and published by Springer Science & Business Media. This book was released on 2009-10-29 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Design Rules for Actuators in Active Mechanical Systems" deals with the formulation of model-based design rules to be used in the conception of optimized mechatronic and adaptronic systems. The book addresses the comparison of different actuator classes for given applications and offers answers to the following questions: What is the relationship between actuator geometry and primary output quantities? How scalable are actuators based on the same principle? How are energetic output quantities (work and power) related to mechanical load and geometry? How should actuators be designed and sized to obtain the best performance for the chosen actuator kind, and for a given application? "Design Rules for Actuators in Active Mechanical Systems" will be of use to industry professionals, such as actuator and machine designers, as well as to researchers and students of mechanical engineering, mechatronics, and electrical engineering.
Book Synopsis The Benchmark Active Controls Technology Model Aerodynamic Data by : Robert C. Scott
Download or read book The Benchmark Active Controls Technology Model Aerodynamic Data written by Robert C. Scott and published by . This book was released on 1997 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Modeling of Aircraft Unsteady Aerodynamic Characteristics by : Vladislav Klein
Download or read book Modeling of Aircraft Unsteady Aerodynamic Characteristics written by Vladislav Klein and published by . This book was released on 1994 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt: Aerodynamic equations with unsteady effects were formulated for an aircraft in one-degree-of-freedom, small-amplitude, harmonic motion. These equations were used as a model for aerodynamic parameter estimation from wind tunnel oscillatory data. The estimation algorithm was based on nonlinear least squares and was applied in three examples to the oscillatory data in pitch and roll of 70 degree triangular wing and an X-31 model, and in-sideslip oscillatory data of the High Incidence Research Model 2 (HIRM 2). All three examples indicated that a model using a simple indicial function can explain unsteady effects observed in measured data. The accuracy of the estimated parameters and model verification were strongly influenced by the number of data points with respect to the number of unknown parameters.
Book Synopsis A Preliminary Study of Using a Strain-gauged Balance and Parameter Estimation Techniques for the Determination of Aerodynamic Forces on a Model in a Very Short Duration Wind Tunnel by : A. P. Brown
Download or read book A Preliminary Study of Using a Strain-gauged Balance and Parameter Estimation Techniques for the Determination of Aerodynamic Forces on a Model in a Very Short Duration Wind Tunnel written by A. P. Brown and published by . This book was released on 1984 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt: This memo presents a preliminary study of a proposed method of measuring the aerodynamic forces on a supported model in an intermittent very short duration wind tunnel with a relatively high airflow dynamic pressure (of the orders of 200 microsec and 1/3 atmosphere respectively). A semiconductor strain gauged cantilever beam balance is used to record strain time histories associated with model displacement in response to aerodynamic force. The practical feasibility of obtaining sufficiently resolvable strains for the prescribed tunnel conditions with the given strain gauge configuration is established. The proposed method uses a system identification procedure to determine the system dynamic response characteristics using a known calibration force input. Subsequently, aerodynamic forces during a tunnel run follow from the recorded strain gauge time histories. The procedure has been demonstrated successfully using simulated data. However, the experimental situation did not lead to a successful analysis in the way proposed. Reasons for this are discussed and recommendations made for improvements. A brief series of shots in the ANU free piston shock tunnel also highlights the need to isolate as much as possible the model/balance from external vibrations. (Author).
Book Synopsis Actuator Saturation Control by : Vikram Kapila
Download or read book Actuator Saturation Control written by Vikram Kapila and published by CRC Press. This book was released on 2002-02-20 with total page 338 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compiling the most significant advances from nearly a decade of research, this reference compares and evaluates a wide variety of techniques for the design, analysis, and implementation of control methodologies for systems with actuator saturation. The book presents efficient computational algorithms and new control paradigms for application in the
Book Synopsis Lectures on Adaptive Parameter Estimation by : C. Richard Johnson
Download or read book Lectures on Adaptive Parameter Estimation written by C. Richard Johnson and published by Prentice Hall. This book was released on 1988 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Effectiveness of Actuators Used in Active Flow Control by : Hermann F. Fasel
Download or read book The Effectiveness of Actuators Used in Active Flow Control written by Hermann F. Fasel and published by . This book was released on 2002 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wind Tunnels and Theoric CFD by : Timoteo Briet Blanes Blanes
Download or read book Wind Tunnels and Theoric CFD written by Timoteo Briet Blanes Blanes and published by Independently Published. This book was released on 2023-03-13 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The performance of an F1 race car is greatly influenced by its aerodynamics. Race teams try to improve the vehicle performance by aiming for more levels of downforce. A huge amount of time is spent in wind tunnel and track testing. Typical wind tunnel testing is carried out in steady aerodynamic conditions and with car static configurations. However, the ride heights of a car are continuously changing in a race track because of many factors. These are, for example, the roughness and undulations of the track, braking, accelerations, direction changes, aerodynamic load variations due to varying air speed and others. These factors may induce movements on suspensions components (sprung and unsprung masses) at different frequencies and may cause aerodynamic fluctuations that vary tires grip. When the frequency of the movement of a race car is high enough the steady aerodynamic condition and the car static configurations are not fulfilled. Then, transient effects appear and the dynamics of the system changes: heave, pitch and roll transient movements of the sprung mass affect both downforce and center of pressure position. The suspension system have to cope with them, but in order for the suspension to be effective, unsteady aerodynamics must be considered.The main objective is to model the effects of unsteady aerodynamics and know really the car dynamic, with the aim of optimizing the suspension performance, improving tire grip and finally reducing lap times.This special books serie-collection, have a lot aspects: DEFINITIONS, PRINCIPLES AND CONSEQUENCES, FORCES AND MOMENTS, WINGS, GROUND AND DIFFUSER, REFRIGERATION, PRESSURE CENTER, AERO BALANCE, AERO MAP, NOZZLES, INTAKES, AIR BOX, TRUMPETS AND EXHAUSTS, WIND TUNNELS, SIMULATION CFD, EXAMPLES IMPLANTED IN RACE CARS, NOMENCLATURE, CONSIDERATIONS ABOUT GOOD SETUP, IDEAL DESIGN, POST RIG ANALYSIS, AERO POST RIG ANALYSIS, VEHICLE DYNAMIC, --OTHER'S TITLES................... -> In this BOOK - 9: WIND TUNNELS AND THEORIC CFD: DESIGN AND USEFUL.
Book Synopsis The Effectiveness of Actuators Used in Active Flow Controls: Numerical Simulations, Analysis and Experiments by :
Download or read book The Effectiveness of Actuators Used in Active Flow Controls: Numerical Simulations, Analysis and Experiments written by and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acquiring the ability to effectively modify and control the behavior of fluid flow continues to be a pervasive and important aspiration in many areas of engineering. The present research continues to advance the technology of various schemes that employ the use of wall-mounted actuators for active flow control. Any design in which fluid-flow characteristics are important (aircraft, turbomachinery, ships, etc.) stands to benefit from this new technology of manipulating the flow behavior by time dependent forcing. Research completed to date promises reduced cost, complexity, and weight along with significant improvement in design performance. A summary of this research indicates however, that the details of the disturbance excitation process have still not been completely explored, and hence an understanding of the important parameters in actuator design is currently unavailable to the engineer. Only with this knowledge will it be possible to design devices for specific tasks that are efficient and effective in their performance. Our program of research examines boundary value periodic point source excitations of laminar boundary layers, and considers how some more complex actuators might be modeled numerically. The study is carried out in three parts: i. linear theory, ii. wind tunnel measurements, iii. full Navier-Stokes modeling.
