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3.0
Oct 29, 2019
10/19
by
Mintt
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This is a picture for a chrysler PCM from mintt that I want to archive.
Topic: Engine control module
909
909
Apr 1, 2009
04/09
by
www.matarawy.net
movies
eye 909
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www.matarawy.net
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Topic: ECU engine control unit
378
378
May 30, 2010
05/10
by
Gerus, T. F.; Heppler, H. J.; Powers, A. G
texts
eye 378
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Accelerating-limiting controls for turbojet engines
Topics: ACCELERATION, SCHEDULES, SPEED CONTROL, TURBOJET ENGINE CONTROL, TURBOJET ENGINES, ACCELERATION,...
946
946
Jul 11, 2010
07/10
by
Atkinson, R. C
texts
eye 946
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The results are presented of a project of research and development on strategies for optimizing the instructional process, and dissemination of information about the applications of such research to the instructional medium of computer-assisted instruction. Accomplishments reported include construction of the author language INSTRUCT, construction of a practical CAI course in the area of computer science, and a number of investigations into the individualization of instruction, using the course...
Topics: ABORT TRAJECTORIES, LAUNCHING, SPACE SHUTTLES, ENGINE CONTROL, OPTIMIZATION
321
321
Jun 20, 2010
06/10
by
Dunbar, W. R.; Hart, C. E.; Vasu, G
texts
eye 321
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Experimental investigation of engine dynamics and controls for 48-inch ramjet engine in free jet facility at Mach number 2.76 and altitudes 68,000 to 82,000 feet
Topics: ALTITUDE, ENGINE CONTROL, FREE JET, RAMJET ENGINE, DYNAMIC STABILITY, ENGINE CONTROL, FREE JETS,...
279
279
Jun 13, 2011
06/11
by
Guerreiro, Nelson M.; Hubbard, James E., Jr.; Motter, Mark A
texts
eye 279
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In the development and testing of novel structural and controls concepts, such as morphing aircraft wings, appropriate models are needed for proper system characterization. In most instances, available system models do not provide the required additional degrees of freedom for morphing structures but may be modified to some extent to achieve a compatible system. The objective of this study is to apply wind tunnel data collected for an Unmanned Air Vehicle (UAV), that implements trailing edge...
Topics: DIAGNOSIS, ENGINE CONTROL, TURBOFANS, TURBOFAN ENGINES, CONTROLLABILITY, SPEED CONTROL, YAW
460
460
May 6, 2010
05/10
by
Boksenbom, A. S.; Heppler, H.; Novik, D
texts
eye 460
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No Abstract Available
Topics: ENGINE CONTROL, FEEDBACK CONTROL, LINEAR SYSTEMS, OPTIMIZATION, SERVOMECHANISMS, TURBOJET ENGINES
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42
Feb 12, 2018
02/18
by
Flagship One Inc
movies
eye 42
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Welcome to Flagship One Inc. where we specialize in Automotive Hardware and Software solutions. Today we're gonna be covering 4 steps to help you diagnose your Engine Computer (PCM/ Engine Control Module /ECU Control Module) as to whether or not it is the issue in your vehicle. The steps we're gonna be covering are: Visual Inspection, A simple Swap, Using a tool such as a Scanner, And Process of Elimination.
Topics: ecm module, body control module, engine control unit, ignition control module
246
246
Jun 21, 2010
06/10
by
Camarena, V
texts
eye 246
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Minimizing sum of velocity impulses to acquire given velocity by use of lunar springboard effect
Topics: REGENERATIVE COOLING, ROCKET ENGINE CONTROL, SPACE SHUTTLES, CONFERENCES, COOLING SYSTEMS, REUSABLE...
Under an SBIR agreement with Langley Research Center, Vision Micro Design Inc. has developed a line of advanced engine monitoring systems using the latest technology in graphic analog and digital displays. Vision Micro Design is able to meet the needs of today's pilots.
Topics: NASA Technical Reports Server (NTRS), ENGINE CONTROL, MONITORS, GRAPHS (CHARTS), DISPLAY DEVICES
1,275
1.3K
Jun 21, 2010
06/10
by
NON
texts
eye 1,275
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Research and development work in space sciences, telecommunications, guidance and control, engineering mechanics, astrionics, propulsion, and mission analysis
Topics: ELECTRONIC EQUIPMENT, ROCKET ENGINE CONTROL, SPACE SHUTTLES, COMBUSTION EFFICIENCY, CONFERENCES,...
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207
Jun 26, 2010
06/10
by
Robertson, F. A.; Shafer, J. I.; Strand, L. D
texts
eye 207
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Controlled-flow igniter for low thrust burning rate of solid propellant rocket engine
Topics: COMBUSTION CHAMBERS, COMBUSTION STABILITY, PROPELLANT COMBUSTION, PROPELLANT TRANSFER, FUEL...
304
304
Jul 11, 2010
07/10
by
NON
texts
eye 304
favorite 0
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No Abstract Available
Topics: COMPUTERIZED SIMULATION, ENGINE CONTROL, TURBOFAN ENGINES, ENGINE TESTS, HYBRID COMPUTERS, REAL...
In modern turbofan engines, variable geometry has been incorporated to improve some off-design performance. Most control designs ignore this variable geometry and use fuel metering as the primary control input. This thesis investigates the use of variable geometry to control the engine and, thereby, reduce fuel consumption due to transients. Additionally, steady-state trim conditions are altered to reduce the static fuel consumption. The non-linear transient simulation program is used to...
Topics: Aeronautics, Multivariable control, F100 turbofan engine, Jet engine control, Jet engine fuel...
A flight test evaluation of the digital elctronic engine control (DEEC) system was conducted. An overview of the flight program is presented. The roles of the participating parties, the system, and the flight program objectives are described. The test program approach is discussed, and the engine performance benefits are summarized. A description of the follow-on programs is included.
Topics: NASA Technical Reports Server (NTRS), DIGITAL COMPUTERS, DIGITAL TECHNIQUES, ELECTRONIC CONTROL,...
264
264
Jun 9, 2011
06/11
by
Anderson, Mark R
texts
eye 264
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Analytical methods for stability analysis of large amplitude aircraft motion have been slow to develop because many nonlinear system stability assessment methods are restricted to a state-space dimension of less than three. The proffered approach is to create regional cell-to-cell maps for strategically located two-dimensional subspaces within the higher-dimensional model statespace. These regional solutions capture nonlinear behavior better than linearized point solutions. They also avoid the...
Topics: AIRCRAFT ENGINES, ACTIVE CONTROL, AIRCRAFT CONTROL, ENGINE CONTROL, HEALTH, FUNCTIONAL DESIGN...
274
274
Jun 26, 2011
06/11
by
Crucian, Brian; Stowe, Raymond; Mehta, Satish; Uchakin, Peter; Quiriarte, Heather; Pierson, Duane; Sams, Clarenc
texts
eye 274
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There is ample evidence to suggest that space flight leads to immune system dysregulation. This may be a result of microgravity, confinement, physiological stress, radiation, environment or other mission-associated factors. The clinical risk (if any) from prolonged immune dysregulation during exploration-class space flight has not yet been determined, but may include increased incidence of infection, allergy, hypersensitivity, hematological malignancy or altered wound healing. Each of the...
Topics: COMMUNICATION EQUIPMENT, COMMUNICATION NETWORKS, ENGINE CONTROL, JET ENGINES, RADIO COMMUNICATION,...
Instrumentation for actuators and operators includes electrical position-indicating switches, potentiometers, and transducers and pressure-indicating switches and transducers. Monograph is based on critical evaluation of experiences and practices in design, test, and use of these control devices and instruments in operational space vehicles.
Topics: NASA Technical Reports Server (NTRS), ACTUATORS, ENGINE PARTS, EQUIPMENT SPECIFICATIONS, REPORTS,...
168
168
May 27, 2011
05/11
by
Entekhabi, Dara; Koster, Randall D.; Lettenmaier, Dennis P.; Shuttleworth, William J.; vanGenuchten, Martinus T.; Wood, Eric F; Bras, Rafael L.; McLaughlin, Dennis B.; Asrar, Ghassem R.; Wei, Ying; Betts, Alan K.; Beven, Keith J.; Duffy, Christopher J.; Dunne, Thomas
texts
eye 168
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An agenda for land-surface hydrology research is proposed to open the debate for more comprehensive prioritization of science and application activities in the hydrologic sciences. A set of science questions are posed and the observational requirements to achieve substantial progress are identified. In this context, the proposal to initiate the 2nd International Hydrologic Decade (IHD) is put forth. The benefits of this initiative for enhanced scientific understanding and improved capability in...
Topics: TURBOSHAFTS, FAILURE, ESTIMATING, DETECTION, TURBINE ENGINES, NEURAL NETS, FEEDBACK CONTROL, ENGINE...
355
355
Jun 27, 2010
06/10
by
POISSON-QUINTON, PH
texts
eye 355
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No Abstract Available
Topics: MISSILE CONFIGURATIONS, SERVOCONTROL, SUPERSONIC SPEED, TORQUE MOTORS, FLIGHT TESTS, MISSILE...
546
546
Jul 26, 2010
07/10
by
Sun, Xiaoli; Davidson, Frederic M
texts
eye 546
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A newly developed 220 Mbps free-space 4-ary pulse position modulation (PPM) direct detection optical communication system is described. High speed GaAs integrated circuits were used to construct the PPM encoder and receiver electronic circuits. Both PPM slot and word timing recovery were provided in the PPM receiver. The optical transmitter consisted of an AlGaAs laser diode (Mitsubishi ML5702A, lambda=821nm) and a high speed driver unit. The photodetector consisted of a silicon avalanche...
Topics: AIRCRAFT INSTRUMENTS, DISPLAY DEVICES, ENGINE MONITORING INSTRUMENTS, FLIGHT INSTRUMENTS, AIRCRAFT...
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101
May 31, 2011
05/11
by
NON
texts
eye 101
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NASA also seeks to advance American education by employing the technology utilization process to develop a computerized, artificial intelligence-based Intelligent Tutoring System (ITS) to help high school and college physics students. The tutoring system is designed for use with the lecture and laboratory portions of a typical physics instructional program. Its importance lies in its ability to observe continually as a student develops problem solutions and to intervene when appropriate with...
Topics: SPACE SHUTTLE MAIN ENGINE, ENGINE CONTROL, MAINTENANCE, COMBUSTION CHAMBERS, SAFETY, RELIABILITY,...
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286
Jun 21, 2010
06/10
by
NON
texts
eye 286
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Kalman filtering for spectral factorization and matrix solution to spacecraft tracking problem
Topics: ATTITUDE CONTROL, ELECTRIC PROPULSION, INTERPLANETARY SPACECRAFT, THRUST VECTOR CONTROL, DIGITAL...
156
156
Jun 13, 2011
06/11
by
Harris, C. E.; Raju, I. S
texts
eye 156
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Cracks were detected in flow liners at the gimbal joints in the LH2 feedlines of the space shuttle's main engines. The cracks initiated at defects in the drainage slots of the flow liners and grew due to high cycle fatigue. Fracture mechanics analyses were conducted to evaluate the life of the liners. These analyses yielded extremely short lives in the presence of small surface or corner cracks. A high fidelity detection method, edge replication, was used to detect the very small cracks. The...
Topics: ELECTRONIC CONTROL, ENGINE CONTROL, PROPULSION SYSTEM CONFIGURATIONS, GAS TURBINE ENGINES, PHASE...
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929
Jul 11, 2010
07/10
by
Bowling, T. C.; Key, L. W
texts
eye 929
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The B-52 SAS (Stability Augmentation System) was developed and retrofitted to nearly 300 aircraft. It actively controls B-52 structural bending, provides improved yaw and pitch damping through sensors and electronic control channels, and puts complete reliance on hydraulic control power for rudder and elevators. The system has experienced over 300,000 flight hours and has exhibited service reliability comparable to the results of the reliability test program. Development experience points out...
Topics: AIRBORNE/SPACEBORNE COMPUTERS, AIRCRAFT CONFIGURATIONS, FLIGHT CONTROL, PROPULSIVE EFFICIENCY,...
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239
Jun 12, 2011
06/11
by
Bridges, James; Brown, Clifford A
texts
eye 239
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The development and acoustic validation of the Small Hot Jet Aeroacoustic Rig (SHJAR) is documented. Originally conceived to support fundamental research in jet noise, the rig has been designed and developed using the best practices of the industry. While validating the rig for acoustic work, a method of characterizing all extraneous rig noise was developed. With this in hand, the researcher can know when the jet data being measured is being contaminated and design the experiment around this...
Topics: AIRCRAFT ENGINES, FEEDBACK CONTROL, ENGINE CONTROL, DISTORTION, WARPAGE, DEFORMATION, SYSTEMS...
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6.0
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eye 6
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ASAP Fulfillment, owned and operated by ASAP Semiconductor, is your number one supplier for aircraft engine components, aviation parts, board level components, and NSNs.
Topics: Aircraft ENGINE ACCESSORIES, Aircraft Aileron Parts, Pilot Supplies & Aviation Training...
A control system and method of controlling a gas turbine engine. The control system receives an error signal and processes the error signal to form a primary fuel control signal. The control system also receives at least one anticipatory demand signal and processes the signal to form an anticipatory fuel control signal. The control system adjusts the value of the anticipatory fuel control signal based on the value of the error signal to form an adjusted anticipatory signal and then the adjusted...
Topics: NASA Technical Reports Server (NTRS), ENGINE CONTROL, GAS TURBINE ENGINES, CONTROL SYSTEMS DESIGN,...
C-MAPSS40k engine simulation has been developed and is available to the public. The authenticity of the engine performance and controller enabled the development of realistic enhanced control modes through controller modification alone. Use of enhanced control modes improved stability and control of an impaired aircraft. - Fast Response is useful for manual manipulation of the throttles - Use of Fast Response improved stability as part of a yaw rate feedback system. - Use of Overthrust...
Topics: NASA Technical Reports Server (NTRS), AIRCRAFT CONTROL, ENGINE CONTROL, STABILITY, CONTROLLERS,...
Minimum time accelerations of aircraft turbofan engines are presented. The calculation of these accelerations was made by using a piecewise linear engine model, and an algorithm based on nonlinear programming. Use of this model and algorithm allows such trajectories to be readily calculated on a digital computer with a minimal expenditure of computer time.
Topics: NASA Technical Reports Server (NTRS), ALGORITHMS, NONLINEAR PROGRAMMING, TURBOFAN ENGINES, DIGITAL...
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316
May 31, 2011
05/11
by
NON
texts
eye 316
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Microcosm, Inc. produced the portable Farfield-2 laser for field applications that require high power pulsed illumination. The compact design was conceived through research at Goddard Space Flight Center on laser instruments for space missions to carry out geoscience studies of Earth. An exclusive license to the key NASA patent for the compact laser design was assigned to Microcosm. The FarField-2 is ideal for field applications, has low power consumption, does not need water cooling or gas...
Topics: ENGINE CONTROL, AEROSPACE INDUSTRY, AIRCRAFT ENGINES, HEALTH, MANAGEMENT SYSTEMS, DYNAMIC MODELS,...
191
191
Jun 13, 2011
06/11
by
Pieri, Dave; Abrams, Mike; Abtahi, Ali; Buongiorno, M. Fabrizia; Holland, Greg; Hufford, Gary; Saggiani, Gian Marco; Simpson, Ji
texts
eye 191
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Emphasis on analyses of geo-located multispectral volcanological time-series at high spatial resolution. Rationalize and provide easy web-based access to ASTER data for volcanoes. Provide convenient access to relevant volcanological algorithms. Interact with other archives (e.g., AVO, UofH, Smithsonian). Development is being funded by NASA Solid Earth Science. Has relevance to NASA Hazards Applications in the CAN environment as part of decision support system architecture. High spatial...
Topics: AIRCRAFT ENGINES, ENGINE TESTS, SUPPORT SYSTEMS, PROPULSION SYSTEM CONFIGURATIONS, DATA...
730
730
May 22, 2011
05/11
by
Harloff, Gary J.; Smith, Gregory E
texts
eye 730
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Boundary-layer bleed in supersonic inlets is typically used to avoid separation from adverse shock-wave/boundary-layer interactions and subsequent total pressure losses in the subsonic diffuser and to improve normal shock stability. Methodologies used to determine bleed requirements are reviewed. Empirical sonic flow coefficients are currently used to determine the bleed hole pattern. These coefficients depend on local Mach number, pressure ratio, hole geometry, etc. A new analytical bleed...
Topics: COMPUTER GRAPHICS, CONTROL SIMULATION, ENGINE CONTROL, GRAPHICAL USER INTERFACE, REUSABLE ROCKET...
An investigation has been made of abort procedures for space shuttle-type vehicles using a point mass trajectory optimization program known as POST. This study determined the minimum time gap between immediate and once-around safe return to the launch site from a baseline due-East launch trajectory for an alternate space shuttle concept which experiences an instantaneous loss of 25 percent of the total main engine thrust.
Topics: NASA Technical Reports Server (NTRS), ABORT TRAJECTORIES, LAUNCHING, SPACE SHUTTLES, ENGINE...
This presentation reviews the following: (i) Cause and effect of gas turbine blade tip seal wear (ii) Current clearance control practices (iii) Present approaches under investigation at GRC.
Topics: NASA Technical Reports Server (NTRS), ENGINE CONTROL, TURBINE ENGINES, WEAR, TURBINE BLADES,...
915
915
Jul 11, 2010
07/10
by
Throndsen, E. O
texts
eye 915
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The Lockheed L-1011 automatic flight control systems - yaw stability augmentation and automatic landing - are described in terms of their redundancies. The reliability objectives for these systems are discussed and related to in-service experience. In general, the availability of the stability augmentation system is higher than the original design requirement, but is commensurate with early estimates. The in-service experience with automatic landing is not sufficient to provide verification of...
Topics: CONTROL CONFIGURED VEHICLES, DIGITAL TECHNIQUES, ENGINE CONTROL, INLET FLOW, SUPERSONIC AIRCRAFT,...
Hybrid computer simulations of the under-the-wing engine were constructed to develop the dynamic design of the controls. The engine and control system includes a variable pitch fan and a digital electronic control. Simulation results for throttle bursts from 62 to 100 percent net thrust predict that the engine will accelerate 62 to 95 percent net thrust in one second.
Topics: NASA Technical Reports Server (NTRS), COMPUTERIZED SIMULATION, ENGINE CONTROL, QUIET ENGINE...
No abstract available
Topics: NASA Technical Reports Server (NTRS), TURBOFAN ENGINES, ENGINE CONTROL, MANAGEMENT SYSTEMS, ENGINE...
256
256
May 22, 2011
05/11
by
Mandell, Humboldt C., Jr
texts
eye 256
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The plan for NASA's new exploration initiative has the following strategic themes: (1) incremental, logical evolutionary development; (2) economic viability; and (3) excellence in management. The cost estimation process is involved with all of these themes and they are completely dependent upon the engineering cost estimator for success. The purpose is to articulate the issues associated with beginning this major new government initiative, to show how NASA intends to resolve them, and finally...
Topics: AVIONICS, SERVICE LIFE, SOLENOIDS, TEST FIRING, CONCURRENT ENGINEERING, CONTROLLERS, FUEL CONTROL,...
A fuel control system responsive to a power controller and controlling a fuel delivery system. The fuel control system includes a control arm connected to both the power controller and the fuel delivery system, a position sensor connected to the control arm, and a trim controller connected to the control arm at a pivot point and connected to the position sensor.
Topics: NASA Technical Reports Server (NTRS), CONTROLLERS, ENGINE CONTROL, FUEL CONTROL, FUEL SYSTEMS,...
Information on fault monitoring of aircraft systems is given in viewgraph form. Information is given on monitor architecture and benefits, implementation characteristics, and an engine monitoring and control system.
Topics: NASA Technical Reports Server (NTRS), AIRCRAFT ENGINES, AVIONICS, CONTROLLERS, DEFECTS, ENGINE...
546
546
May 23, 2011
05/11
by
Hawley, John F.; Balbus, Steven A
texts
eye 546
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The status of work concerned with understanding the angular momentum transport mechanisms as applied to astrophysical disk systems is reported. A study which demonstrates that even random configurations of weak (subthermal) magnetic fields in accretion disks lead directly to magnetohydrodynamic (MHD) turbulence and astrophysically significant angular momentum transport, is published. Purely hydrodynamic mechanisms for angular momentum transport are also investigated. Preliminary testing of the...
Topics: REAL TIME OPERATION, TEST FACILITIES, CONTROL SYSTEMS DESIGN, ROCKET ENGINE CONTROL, SYSTEMS...
Atmospheric turbulence models are necessary for the design of both inlet/engine and flight controls, as well as for studying coupling between the propulsion and the vehicle structural dynamics for supersonic vehicles. Models based on the Kolmogorov spectrum have been previously utilized to model atmospheric turbulence. In this paper, a more accurate model is developed in its representative fractional order form, typical of atmospheric disturbances. This is accomplished by first scaling the...
Topics: NASA Technical Reports Server (NTRS), ATMOSPHERIC TURBULENCE, FLIGHT CONTROL, ENGINE CONTROL,...
High speed minicomputers were used in the past to implement advanced digital control algorithms for turbine engines. These minicomputers are typically large and expensive. It is desirable for a number of reasons to use microprocessor-based systems for future controls research. They are relatively compact, inexpensive, and are representative of the hardware that would be used for actual engine-mounted controls. The Control, Interface, and Monitoring Unit (CIM) contains a microprocessor-based...
Topics: NASA Technical Reports Server (NTRS), ENGINE MONITORING INSTRUMENTS, MICROPROCESSORS, TURBINE...
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484
Jun 12, 2011
06/11
by
Moore, Mark D
texts
eye 484
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NASA s Vehicle Systems Program is investing in aeronautics technology development across six vehicle sectors, in order to improve future air travel. These vehicle sectors include subsonic commercial transports, supersonic vehicles, Uninhabited Aerial Vehicles (UAVs), Extreme Short Takeoff and Landing (ESTOL) vehicles, Rotorcraft, and Personal Air Vehicles (PAVs). While the subsonic transport is firmly established in U.S. markets, the other vehicle sectors have not developed a sufficient...
Topics: ENGINE CONTROL, RELIABILITY ENGINEERING, ENGINE FAILURE, NEURAL NETS, CONTROL SYSTEMS DESIGN,...
The implementation of Distributed Engine Control technology on the gas turbine engine has been a vexing challenge for the controls community. A successful implementation requires the resolution of multiple technical issues in areas such as network communications, power distribution, and system integration, but especially in the area of high temperature electronics. Impeding the achievement has been the lack of a clearly articulated message about the importance of the distributed control...
Topics: NASA Technical Reports Server (NTRS), CONTROL SYSTEMS DESIGN, ENGINE CONTROL, GAS TURBINE ENGINES,...
A multivariable control design procedure based on the output feedback regulator formulation is described and applied to turbofan engine model. Full order model dynamics, were incorporated in the example design. The effect of actuator dynamics on closed loop performance was investigaged. Also, the importance of turbine inlet temperature as an element of the dynamic feedback was studied. Step responses were given to indicate the improvement in system performance with this control. Calculation...
Topics: NASA Technical Reports Server (NTRS), ENGINE CONTROL, FEEDBACK CONTROL, MULTIVARIATE STATISTICAL...
447
447
Jun 18, 2010
06/10
by
NON
texts
eye 447
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Results from tests of rocket engine for spacecraft reaction control and maneuvering systems
Topics: ENGINE CONTROL, ROCKET ENGINE DESIGN, SPACECRAFT CONTROL, ENGINE TESTS, MANEUVERS, REACTION...
The presentation describes the challenges facing the turbine engine control system. These challenges are primarily driven by a dependence on commercial electronics and an increasingly severe environment on board the turbine engine. The need for distributed control is driven by the need to overcome these system constraints and develop a new growth path for control technology and, as a result, improved turbine engine performance.
Topics: NASA Technical Reports Server (NTRS), ENGINE CONTROL, CONTROL SYSTEMS DESIGN, GAS TURBINE ENGINES,...
Optical sensors and optically controlled actuators for use in airbreathing engine control systems are discussed. The environmental conditions in which the aircraft will operate require the fiberoptic cables and optical connectors to perform reliably at temperatures over the -55 C to 260 C range. The status of fiberoptics technology for operation in this environment is reviewed.
Topics: NASA Technical Reports Server (NTRS), AIR BREATHING ENGINES, ENGINE CONTROL, FIBER OPTICS,...
