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Topic: Attitude and Heading Reference Systems

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	Casino News & Articles - July 21, 2006 (Site not responding. Last check: 2007-10-18)
		Nichols declined to comment, and referred questions to prosecutors in Missouri, who declined to make the unsealed indictment available.
		The attitude of the casino smacks of arrogance and a lack of customer senstivity, and suggests that cash flow could be a problem as well as management ethics.
		Headed by Peter Dean, the Commission will regulate all gambling Britain other than the national lottery and spread betting.
	casinocashjourney.com /casino_news_jul_21_06.htm (11271 words)

	Attitude and Heading Reference Systems - Wikipedia, the free encyclopedia
		AHRS differ from traditional inertial navigation systems by using magnetometer and/or GPS data to correct the raw gyroscopic data.
		AHRS are typically integrated into Electronic Flight Information Systems (EFIS), which are the central part of so-called glass cockpits.
		AHRS are often combined with air data computers to form an "air data, attitude and heading reference systems" (ADAHRS), which provide additional information such as airspeed, altitude and outside air temperature.
	en.wikipedia.org /wiki/Attitude_and_Heading_Reference_Systems (216 words)

	An Old Workhorse Receives Yet another Makeover
		These systems provided for basic attitude hold and two “coupled” modes, one for heading hold and the second was a baro altitude hold through the collective axis.
		The aircraft attitude and heading information is now transmitted to the AFCS computers via the dual SAGEM attitude/heading reference systems (AHRS) with added inputs from the air data sensor, and dual magnetometers.
		In earlier systems, the capacitance signal coming from the fuel probes was converted to direct current signal at the gauge readout in the cockpit.
	www.ericksonaircrane.com /press/S-64UpgradeArticle.html (2754 words)

	Attitude indicator - Wikipedia, the free encyclopedia
		An attitude indicator (AI), aka gyro horizon or artificial horizon, is an instrument used in an aircraft to inform the pilot of the orientation of the airplane relative to the ground.
		Attitude indicators in aircraft work using a gyroscope to establish an inertial platform.
		For this reason, some attitude indicators are fitted with a "cage," a device to restore the gyroscope to an erect position.
	en.wikipedia.org /wiki/Attitude_indicator (531 words)

	Attitude Reference Gyro For Undersea Vehicles - Watson Industries
		Pitch and roll data is required to assure the robot maintains a level orientation in transit and once it begins burying operations.
		Watson Industries manufactures an Attitude and Heading Reference System (AHRS) that is perfectly suited for this highly technical application.
		Undersea vehicles cannot use GPS for their heading reference, so a magnetometer is required.
	www.watson-gyro.com /apps/cable.html (455 words)

	company
		Angular rates are measured by three fiber-optic gyros in a strap-down configuration and heading and attitude are determined.
		The system has been selected for the NASA T-38 and the T-6A JPATS trainer aircraft, is standard equipment on the Pilatus PC 12, as well as other applications.
		The sensors can be used to measure angular rates or increments or as a heading gyro in diverse applications, such as for the stabilisation of missiles, airborne sensor systems, or land vehicle systems.
	www.litef.de /p-airborne.htm (693 words)

	Inertial Solutions is a supplier of IMU, AHRS, GPS, accelerometer sensors and PWM servo controls.
		Three panels are assembled orthogonally to form a tri-axial inertial reference.
		Modern Attitude Heading Reference Systems use lightweight, reliable, low power, low cost solid state sensors to replace spinning mass gyros.
		Heading accuracy is 1 degree with 0.1 degree resolution and 0.5 degree repeatability.
	www.inertialsolutions.us /products_inertial_measurement_unit.htm (429 words)

	Naval Technology - LITEF GmbH - Naval Navigation Systems (Site not responding. Last check: 2007-10-18)
		LITEF is a leading manufacturer of navigation systems for air, land and naval applications worldwide and a world leader in the use of Fibre Optic Gyro (FOG) technology for many of those applications (see photograph opposite).
		Located in Freiburg, in the Black Forest region of Germany, LITEF is an autonomous operating division in the Navigation Systems Division of the Electronics Sector of Northrop Grumman of the USA.
		LITEF is a leading manufacturer of navigation systems for air, land and naval applications and a world leader in the use of Fibre Optic Gyro (FOG) Technology.
	www.naval-technology.com /contractors/satellite/litef (771 words)

	[No title]
		Note 2: 7A003 does not control inertial navigation systems that are certified for use on "civil aircraft" by civil authorities of a country in Country Group A:1.
		7A003.b refers to systems in which an INS and other independent navigation aids are built into a single unit (embedded) in order to achieve improved performance.
		An inertial measurement device (e.g., an attitude and heading reference system, inertial reference unit, or inertial navigation system); 2.
	www.access.gpo.gov /bis/ear/txt/ccl7.txt (4065 words)

	Welcome to mapwriter.com - Information on Gps systems
		Inertial systems have been used on commercial and military aircraft as primary navigation instruments for many years but these systems are very expensive and out of reach of most of the general aviation community.
		It is a solid-state, six degree-of-freedom inertial sensing system using three orthogonally mounted, micromachined quartz gyroscopes, and three high-performance linear servo accelerometers in a small, self-contained package.
		INS output errors also are influenced by uncertainties in initial conditions (position, velocity, and attitude) as these influence the integration of gyro and accelerometer data to yield the navigation outputs.
	www.mapwriter.com /Gps_systems_Gps_systems_186897.html (1086 words)

	SPIE Proceedings Vol. 3691 (Site not responding. Last check: 2007-10-18)
		Presently, airport lighting systems provide the only means for aiding the pilot's transition from instrument to visual acquisition of the runway environment prior to landing the aircraft.
		Due to the all-weather capability of the system and its ability to produce high quality radar images either as top view (mapping mode) or as pilot view (central perspective mode) the system is especially qualified for navigation support, autonomous landing approaches or taxi support on the ground.
		While attitude and heading reference systems (AHRS) based on high-performance inertial components exist, such systems are traditionally very expensive and inapplicable to price-sensitive applications/markets.
	www.spie.org /web/abstracts/3600/3691.html (5849 words)

	BAE SYSTEMS North America: News and Information: News Releases
		The Navy recently concluded flight tests of the new system, and BAE Systems is now executing a rapid delivery schedule to equip about 240 helicopters by mid-2007.
		BAE Systems received an $18.3 million contract in 2003 to develop and produce 658 of the R-AHRS units for Navy Seahawks.
		BAE Systems is the premier trans-Atlantic defense and aerospace company, delivering a full range of products and services for air, land, and naval forces, as well as advanced electronics, information technology solutions, and customer support services.
	www.na.baesystems.com /releasesDetail.cfm?a=544 (391 words)

	EFIS; Electronic Flight Information Systems
		The flexibility of the system allows for installation in a piston or turbine aircraft and the entire process is accomplished in the cockpit without the use of an external keyboard.
		Any alarms occurring in the system are immediately presented as a bright red alarm bar across the bottom of the screen independent of the page currently displayed.
		What makes this system so powerful is its ability to continuously monitor up to 27 available sensor inputs that cover the engine, fuel and other miscellaneous systems and annunciate any abnormality immediately upon detection.
	www.avionix.com /efis.html (6579 words)

	BAE SYSTEMS North America: News and Information: News Releases
		BAE Systems is an international company engaged in the development, delivery, and support of advanced defense and aerospace systems in the air, on land, at sea, and in space.
		BAE Systems North America is a high-technology U.S. company employing more than 25,000 people who live and work in some 30 states, the District of Columbia, and the United Kingdom.
		BAE Systems Integrated Solutions, based in Los Angeles, develops aircraft avionics, vehicle management and utility control systems, and navigation guidance and control systems for military and commercial aircraft.
	www.na.baesystems.com /releasesDetail.cfm?a=112 (382 words)

	Special Conditions: Learjet Model 55 and 55B Airplanes; High-Intensity Radiated (Site not responding. Last check: 2007-10-18)
		These special conditions require that new avionic/electronic and electrical systems, such as the AHRS, that perform critical functions be designed and installed to preclude component damage and interruption of function due to both the direct and indirect effects of HIRF.
		The threat must be applied to the system elements and their associated wiring harnesses without the benefit of airframe shielding.
		Each electrical and electronic system that performs critical functions must be designed and installed to ensure that the operation and operational capability of these systems to perform critical functions are not adversely affected when the airplane is exposed to high intensity radiated fields.
	www.airweb.faa.gov /Regulatory_and_Guidance_Library/rgSC.nsf/0/9D6AB774DEF0BB5E86256BE30065C74F?OpenDocument (1613 words)

	NewsForge \| New Inertial Sensor Systems Company
		Rotomotion's customized line of kits and fully-assembled inertial measurement units (IMU), attitude and heading reference systems (AHRS), flight controllers for vertical take-off and landing (VTOL) and runway-launched (ROG) aircraft are offered at lower prices, with higher added value, than any of the competition.
		Trammell was the founding member of the autopilot.sf.net open source project designed to develop an intertial measurement unit and attitude and heading reference system.
		Together, Trammell and Dennis are working to develop additional sensor systems, including systems for use by the general public.
	www.newsforge.com /newsvac/03/02/27/2154233.shtml (842 words)

	PRESS RELEASE - Chelton Flight Systems (Site not responding. Last check: 2007-10-18)
		The system also features a synthetic vision primary flight display, dual integrated head-up FMS, Class-B or -A helicopter TAWS (Terrain Awareness and Warning System), a master caution voice warning system, HITS (Highway-In-The-Sky navigation), a digital flight recorder, and Chelton's unique hover vector display.
		Chelton Flight Systems, in conjunction with Heritage Aviation in Grand Prairie Texas is beginning the STC process to certify Chelton EFIS retrofits on all existing MD light singles (MD 520N, MD 500E, MD 530F and the MD 600N).
		Cobham plc is an international company engaged in the development, delivery and support of advanced aerospace and defence systems in the air, on land, at sea and in space.
	www.alea.org /public/press_releases/chelton-092306.htm (498 words)

	Attitude Heading Reference Systems
		We combine the most advanced and miniaturized components for magnetic field and intertial measurement in a compact format weighing in at less than 150 grams.
		This combines three gyros, up to three axis accelerometers and a three axis magnetometer plus two independent micro processor systems all in one small housing.
		Attitude indication, tilt-compensated magnetic compass and turn/bank indication
	www.sportflyingshop.com /Instr/Stratomaster/MaxiSingles/AHRS/ahrs.html (614 words)

	TSS (International) Ltd., : Marine sensors, gyros, attitude and reference systems, heave, pitch, roll, subsea gyros, ... (Site not responding. Last check: 2007-10-18)
		These systems can be fitted to ROVs and, when interfaced with suitable navigation packages, provide the precise location and depth of burial for pipes and cables.
		The S G Brown brand name is recognised world-wide for the supply of marine gyrocompasses and has almost 100 years experience in the specialist area.
		Both systems are designed to provide accurate heading, heave, roll and pitch in easy-to-use, install and configure, stand-alone units.
	www.vttss.com /index.shtml (367 words)

	Avidyne Corporation (Site not responding. Last check: 2007-10-18)
		The Entegra system for the Seneca V consists of two 10.4-inch diagonal, high-resolution, sunlight-readable displays, including an EXP5000 primary flight display (PFD) with integrated solid-state air data and attitude/heading reference system (ADAHRS) and primary engine instruments.
		The Entegra system for the Meridian includes dual integrated solid-state air data and attitude/heading reference systems (ADAHRS), bringing a new level of capability and redundancy to the flight deck.
		The FlightMax Entegra system for the Saratoga and 6X family of aircraft consists of two beautiful 10.4-inch diagonal, high-resolution, sunlight-readable displays including an EXP5000 primary flight display (PFD) with integrated solid-state air data and attitude/heading reference system (ADAHRS), and an EX5000 multi-function display (MFD) with EMax™ Engine Instrumentation and optional Datalink Weather capability.
	www.avidyne.com /oems/piper.shtm (1647 words)

	Pro Line 4: Integrated Avionics System
		In the AHRS, attitude and heading information is obtained by electronically processing three-axis rate and acceleration information sensed by Rockwell Collins' rotating piezoelectric multisensor.
		The system consists of a attitude heading computer, flux detector unit, mount and internal compensation unit, that provide three-axis position, rate and acceleration data.
		The system utilizes smart digital handsets and data ports for fax/modem transmissions, each with its own separate on-board address enabling callers to dial a specific seat or fax/modem location within the aircraft.
	www.rockwellcollins.com /ecat/br/Pro_Line_4.html?smenu=101 (1973 words)

	Crossbow Technology : Inertial Systems : Crossbow Inertial Systems
		An Inertial System is a sensor package that measures the inertial forces generated by the movement of an object.
		The most frequent applications for an inertial system are navigation, attitude measurement and platform stabilization.
		Most inertial systems measure accelerations and rotations about the three primary axes X, Y, and Z. Crossbow offers a wide range of inertial products based on MEMS and FOG (Fiber Optic Gyro) technologies.
	www.xbow.com /Products/productsdetails.aspx?sid=1 (179 words)

	Attitude Heading Reference System - KN-4071(AHRS - GPS/INS) [ ACA/KGN Products ... (Site not responding. Last check: 2007-10-18)
		Kearfott's state-of-the-art highly reliable Attitude Heading Reference System (AHRS) uses the patented Monolithic Ring Laser Gyro (MRLG) and a triad of Kearfott MOD VIIA force rebalance accelerometers as the inertial reference.
		The system provides analog outputs of heading and attitude for cockpit, flight director or weapon computer input.
		The system provides improved accuracy of both attitude and heading over standard electromechanical AHRS, by the use of inertial quality gyros and accelerometer and the self contained Global Positioning System (GPS) card.
	www.astronautics.com /Products/Default.asp?91.17.0 (506 words)

	DVLNAV Homepage - Dynamical Systems and Control Laboratory, Johns Hopkins University
		DVLNAV was first deployed on the 6000m remotely operated vehicle DSL120A, the 6500m remotely operated vehicle JASON II and on the 4500m inhabited submersible DSV Alvin, both developed and operated for the U.S. oceanographic research community by the Woods Hole Oceanographic Institution.
		Figure 2: DVLNAV is presently deployed on the new DSL120A (left) a 6000m vehicle developed at the Woods Hole Oceanographic Institution and on the JHU ROV (right) developed at the Johns Hopkins University.
		The principal Authors of DVLNAV are Professor Louis Whitcomb, llw@jhu.edu, and his Ph.D. Student James Kinsey, jkinsey@jhu.edu, of the Dynamical Systems and Control Laboratory, Department of Mechanical Engineering, Johns Hopkins University.
	robotics.me.jhu.edu /~llw/dvlnav (1690 words)

	Garmin: Media Gallery (Site not responding. Last check: 2007-10-18)
		All information — from aircraft attitude and air data to engine instrumentation, real-time weather data link, traffic and terrain — is uniquely integrated and digitally depicted on the dual large-format PFDs and MFD to simplify operation, enhance situational awareness and increase flight safety.
		The brilliant color TFT displays on the G1000 system boast XGA (1024x768) resolution with wide viewing angles and clear sunlight readability.
		The G1000 integrated avionics system delivers mission-critical capabilities, ease of use, reliability, flight safety, low cost of ownership and overall value that are symbolic of the Citation Mustang.
	www.garmin.com /pressroom/corporate/033103.html (720 words)

	Northrop Grumman's Electronic Systems
		Northrop Grumman's Electronic Systems sector, headquartered in Baltimore, is a world leader in the design, development and manufacture of advanced electronics and systems for military, civil, and commercial use.
		ELECTRONIC SYSTEMS provides airborne radar systems, secondary surveillance systems, inertial navigation systems and sensors, electronic warfare systems, precision weapons, air traffic control systems, air defence systems, communications systems, space systems, marine systems, oceanic and naval systems, integrated avionics systems, logistics systems and government systems.
		Teamed with Lockheed Martin to produce the Longbow radar and Hellfire missile systems for the AH-64D Apache helicopter; TESAR radar for the Predator UAV; tactical UAV radar; mission computer cluster for the Comanche helicopter, and in a joint venture with Lockheed Martin, the fire-control radar for the RAH-66 Comanche.
	www.global-defence.com /2003/northrop.htm (461 words)

	ShowNews Online: NBAA 2003
		The announcement of the G1000 integrated avionics system and its selection for the Cessna Mustang launches the company into the big leagues of avionics suppliers, while the acquisition of UPS Aviation Technologies-now Garmin AT-puts the company in a leading role in the new world of air traffic management.
		We have flight control systems, attitude and heading reference systems and communications, navigation and identification, and a strong, strong capability in glass."
		The system includes fully integrated air-data computers, solid-state attitude and heading reference systems, a digital radar and a complete terrain awareness and warning system with a worldwide terrain database.
	www.aviationnow.com /shownews/03nbaa/newsmk22.htm (437 words)

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