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A Survey Of Components And Systems For Measuring Dynamic Loads
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Book Synopsis A Survey of Components and Systems for Measuring Dynamic Loads by : Russell E. Puckett
Download or read book A Survey of Components and Systems for Measuring Dynamic Loads written by Russell E. Puckett and published by . This book was released on 1961 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Public Roads written by and published by . This book was released on 1964 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Bulletin written by and published by . This book was released on 1961 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Battelle Technical Review by : Battelle Memorial Institute
Download or read book Battelle Technical Review written by Battelle Memorial Institute and published by . This book was released on 1962 with total page 878 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1994 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.
Book Synopsis Bulletin by : University of Kentucky. Engineering Experiment Station
Download or read book Bulletin written by University of Kentucky. Engineering Experiment Station and published by . This book was released on 1961 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bulletin - Engineering Experiment Station by :
Download or read book Bulletin - Engineering Experiment Station written by and published by . This book was released on 1961 with total page 798 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Institution of Electronic and Radio Engineers. Instrumentation and Control Group Committee Publisher : ISBN 13 : Total Pages :250 pages Book Rating :4.:/5 (89 download)
Book Synopsis Proceedings of the I.E.R.E. Conference on Electronic Weighing by : Institution of Electronic and Radio Engineers. Instrumentation and Control Group Committee
Download or read book Proceedings of the I.E.R.E. Conference on Electronic Weighing written by Institution of Electronic and Radio Engineers. Instrumentation and Control Group Committee and published by . This book was released on 1970 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Wiley Survey of Instrumentation and Measurement by : Stephen A. Dyer
Download or read book Wiley Survey of Instrumentation and Measurement written by Stephen A. Dyer and published by John Wiley & Sons. This book was released on 2004-04-07 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt: In-depth coverage of instrumentation and measurement from the Wiley Encyclopedia of Electrical and Electronics Engineering The Wiley Survey of Instrumentation and Measurement features 97 articles selected from the Wiley Encyclopedia of Electrical and Electronics Engineering, the one truly indispensable reference for electrical engineers. Together, these articles provide authoritative coverage of the important topic of instrumentation and measurement. This collection also, for the first time, makes this information available to those who do not have access to the full 24-volume encyclopedia. The entire encyclopedia is available online-visit www.interscience.wiley.com/EEEE for more details. Articles are grouped under sections devoted to the major topics in instrumentation and measurement, including: * Sensors and transducers * Signal conditioning * General-purpose instrumentation and measurement * Electrical variables * Electromagnetic variables * Mechanical variables * Time, frequency, and phase * Noise and distortion * Power and energy * Instrumentation for chemistry and physics * Interferometers and spectrometers * Microscopy * Data acquisition and recording * Testing methods The articles collected here provide broad coverage of this important subject and make the Wiley Survey of Instrumentation and Measurement a vital resource for researchers and practitioners alike
Download or read book Highway Research Record written by and published by . This book was released on 1965 with total page 1128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Strain Gauge Utilization for Aerial Vehicle Dynamic Load Measurement by : John Bazin
Download or read book Strain Gauge Utilization for Aerial Vehicle Dynamic Load Measurement written by John Bazin and published by . This book was released on 2016 with total page 91 pages. Available in PDF, EPUB and Kindle. Book excerpt: The strain gauge is a commonly used tool for dynamic load and strain measurement of a system. The work presented in this thesis describes the development and evaluation of strain gauges applied to both an aerodynamic decelerator system and an unmanned aerial vehicle. This thesis has three main objectives: (1)develop and evaluate test a circular parachute strain gauge-based load distribution measurement system, (2) develop and evaluate a strain gauge thrust estimation system for a quadrotor unmanned aircraft, and (3)compare the developed strain gauge-based thrust estimation technique with an indirect real time parameter estimation technique for motor fault detection. In pursuit of the fist thesis objective, a load distribution measurement system for the suspension lines of circular parachutes was developed. The motivation to create a load distribution measurement system stems from parachute system design traditionally requiring an extensive flight testing regimen. Numerical solution-based design is difficult due to the highly nonlinear deformation behavior of the parachute canopy. Traditionally, circular parachutes are assumed to have symmetric canopy loading upon inflation and during terminal descent. Asymmetric canopy loading can have a significant impact on circular parachute suspension line loads, but is typically neglected. The developed strain gauge-based load distribution measurement system for circular parachutes has wireless capabilities and can be readily applied to a wide variety of aerodynamic declarator systems. The developed system can be used to observe asymmetric behaviors in order to help determine the significance of asymmetric canopy loading. Custom strain gauge load cells with mounted custom circuitry to calibrate, amplify, and transmit the load data were fixed to canopy suspension lines. Parachute drop testing was performed to evaluate the effectiveness to identify any significant asymmetric canopy loading behavior. Drop testing was performed with a 1.2m (4.0ft) quarter-spherical cross based canopy with a payload of 2.0kg (4.4lbs). A 12m (39ft) guide-line based drop rig was implemented to prevent canopy rotational movement that could hinder testing repeatability. Load distribution data was fist verified via both static calibration and in-flight total canopy load measurements. Drop testing was then conducted to identify loading asymmetry during both inflation and terminal descent. Results demonstrated the use of the strain gauge-based load distribution measurement system for measuring significant asymmetric canopy loading patterns. In pursuit of the second thesis objective, strain gauges were used to aid in the development of a thrust estimation system for individual motors/propellers of a small quadrotor unmanned aerial vehicle (UAV). Small UAVs have become increasingly utilized for a wide range of applications; however, such aircraft typically do not undergo the same rigorous safety protocols as their larger human-piloted counterparts. A thrust estimation technique for a quadrotor unmanned aircraft was developed and evaluated that could potentially improve flight control design by increasing sensory feedback information. Strain gauges were integrated into the quadrotor frame to provide total force measurements on each arm of the aircraft. A dynamic model coupled with state information from motion capture and on-board measurement data was implemented to compensate for inertial forces caused by rotational and translational acceleration. Testing was conducted to evaluate the accuracy of the individual load cells, inertial compensation,and free-flight motor thrust estimates. Results demonstrate inertial force compensation during high frequency aircraft motion, which could potentially be useful for detecting an in-flight failure. The measurement system therefore has the potential to quickly detect an in-flight failure. The focus of the third thesis objective is to expand on the development of the thrust estimation system by performing an evaluation of the fault detection capabilities. A comparative study was conducted of the thrust estimation system along with a real time parameter estimation in the frequency domain during two motor failure scenarios of a small quadrotor UAV. Detecting and mitigating disturbances caused by in-flight mo tor/propeller failures is an important aspect of a robust flight controller for multirotor aircraft. The comparative study was performed in an attempt to determine whether direct thrust estimation (strain gauge-based) or indirect thrust estimation (parameter estimation using on-board measurement) more accurately and quickly capture an in-flight failure. Flight test results were post-processed to mimic real-time parameter estimation and strain gauged-based fault detection. Results show the strain gauge-based parameter estimation exhibits noisy estimates, but does have faster response to the failure. The parameter estimation using on board data does not respond to failures as quickly as the strain-gauge based technique, but does produce better parameter estimate stability. Although both estimation techniques display strengths and weaknesses, neither technique is optimal for real time failure detection individually. A combination of the real-time parameter estimation in the frequency domain and the strain gauge-based thrust estimation techniques may yield a fast yet stable fault detection system. The evaluation of the fault detection capabilities of the thrust estimation system did not prove unsuccessful, however it has warranted further investigation into the overall effectiveness of the system for fault detection.
Book Synopsis Engineering Experiment Station Bulletin by : Kentucky. University. Engineering Experiment Station
Download or read book Engineering Experiment Station Bulletin written by Kentucky. University. Engineering Experiment Station and published by . This book was released on 1960 with total page 638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Engineering Economy by : National Research Council (U.S.). Highway Research Board
Download or read book Engineering Economy written by National Research Council (U.S.). Highway Research Board and published by . This book was released on 1965 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: 6 reports on engineering economy prepared for the 44th annual meeting of the Highway Research Board.
Book Synopsis ERDA Energy Research Abstracts by : United States. Energy Research and Development Administration
Download or read book ERDA Energy Research Abstracts written by United States. Energy Research and Development Administration and published by . This book was released on 1977 with total page 800 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1969 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Guide to Technical Documents by : Naval Civil Engineering Laboratory (Port Hueneme, Calif.)
Download or read book Guide to Technical Documents written by Naval Civil Engineering Laboratory (Port Hueneme, Calif.) and published by . This book was released on 1978 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Adaptive Structures, Tenth International Conference Proceedings by : Roger Ohayon
Download or read book Adaptive Structures, Tenth International Conference Proceedings written by Roger Ohayon and published by CRC Press. This book was released on 2000-03-13 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt: