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Topic: Schuler tuning

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	Schuler tuning - Wikipedia, the free encyclopedia
		Schuler tuning describes the fundamental functional conditions for a gyrocompass.
		A simple gravity pendulum, whose length equals the radius of the earth, suspended near an enormous flat plate such that it encounters a uniform gravitational field of the same strength as that experienced by a small pendulum near the earth's surface;
		Each of these will have the same period: about 84 minutes -- though the third body only if the density of the earth is assumed constant (in which case its movement is a harmonic oscillation).
	en.wikipedia.org /wiki/Schuler_tuning (311 words)

	Schuler Homes
		In 1923 Schuler published his discovery that if the gyrocompass was tuned to have an 84 minute period of oscillation (the Schuler period) then it would resist errors due to sideways acceleration of the ship or aircraft in which it was installed.
		Schuler was born in Winnipeg, Manitoba, and holds a Bachelor of Arts degree from the University of Manitoba.
		Schuler was elected to the Manitoba legislature in the 1999 provincial election, defeating New Democrat Leonard Kimakovich by 4969 votes to 4058 in the riding of Springfield (located just east of Winnipeg).
	www.artistbooking.com /trips/183/schuler-homes.html (849 words)

	Navigational aid - Patent 4608641 (Site not responding. Last check: 2007-10-09)
		One such technique is Schuler tuning in which values of the spatial velocity of the body and its radius from the centre of the Earth are processed to determine the rate of rotation of the local horizontal plane as the body journeys over the globe.
		To this end a vertical reference gyroscope, not Schuler tuned, is employed to retain the vertical reference until the extraneous acceleration is removed and the accelerometers can resume their gravity seeking function.
		As the vertical reference gyroscope is not Schuler tuned, and hence does not take account of angular movement about the centre of the Earth, this technique is limited to brief periods of manoeuvre interspersed with periods of steady flight to allow the correct vertical reference to be re-established, if sufficient accuracy is to be maintained.
	www.freepatentsonline.com /4608641.html (3585 words)

	The Story of Eighty-Four Minutes
		Maximilian Schuler, later a professor of dynamics at Göttingen, developed the gyroscopic ship's compass in the early 1920s and was the first to show that the error due to sideways acceleration of the ship would disappear if the compass could be tuned to a period of 84 minutes.
		This then is a case of automatic Schuler tuning, which is just as important to the practical operation of an inertial guidance system on the earth surface (for ships) as the man made Schuler tuning is for the ship's gyroscopic compass.
		In case the earth were flat no Schuler tuning effect would exist and the x(t) diagram would be the osculating parabola to the sine curve, shown dotted in the graph.
	www.mne.psu.edu /undergrad/casestudy/ME50/CaseStudy02/casestudy.html (4296 words)

	Schuler Oscillation - Porenza Schuler Logo - www.schulerbooks.caringiscreepy.org (Site not responding. Last check: 2007-10-09)
		Germany, to manufacture navigational devices using gyroscopes in 1905, and Schuler joined the firm in 1906...
		Schuler tuning provides the inertial platform of a...
		As first explained by Max Schuler in his classic 1923 paper, a pendulum whose period exactly...
	www.schulerbooks.caringiscreepy.org /porenza-schuler-logo/schuler-oscillation.html (157 words)

	Human Resource Issues (Site not responding. Last check: 2007-10-09)
		The descriptions of the various theoretical perspectives are taken from Jackson and Schuler (1995) and Barkema, Shenkar, Vermeulen and Bell (1997).
		In the case of the Davidson-Marley joint venture (Schuler, Dowling, Jackson and De Cieri, 1991), Davidson (in the U.S.) was selecting a partner from among four different licensees with whom they had experience in Western Europe.
		Thus in the case of Davidson-Marley, the concern by the parents of monitoring and evaluating the IJV itself was minimal (Schuler and Van Sluijs, 1992).
	www.rci.rutgers.edu /~schuler/dataPages/HRissues.htm (19240 words)

	RIO GRANDE ATHLETICS (athletics.rio.edu)
		“I would also like to take this time to express my deepest gratitude to Coach (Dean) Schuler, (pitching) Coach (Brian) Williams and all the Valley baseball staff for their hard work and dedication for preparing me to play at the next level,” Dwyer added.
		Valley head man Dean Schuler talked about what a great accomplishment this is for Dwyer.
		Schuler also talked about Dwyer as a player.
	athletics.rio.edu /print.php?sid=461 (726 words)

	Peer-to-Peer Process Execution with Osiris - Schuler, Weber, Schuldt, Schek (ResearchIndex) (Site not responding. Last check: 2007-10-09)
		Christoph Schuler, Roger Weber, Heiko Schuldt, Hans-J. Schek
		Schuler, C., Weber, R., Schuldt, H., Schek, H.J.: Peer-to-Peer Process Execution with Osiris.
		4 WebService Composition with O'GRAPE and OSIRIS - Weber, Schuler et al.
	citeseer.ist.psu.edu /schuler03peertopeer.html (468 words)

	Pendulum: Encyclopedia II - Pendulum - Applications
		As first explained by M. Schuler in his classic 1923 paper, a pendulum whose period exactly equals the orbital period of a hypothetical satellite orbiting just above the surface of the earth (about 84 minutes) will tend to remain pointing at the center of the earth when its support is suddenly displaced.
		This is the basic principle of Schuler tuning that must be included in the design of any inertial guidance system that will be operated near...
		Classical mechanics, Double pendulum, Foucault pendulum, Harmonograph, Kater's pendulum, Metronome, Pendulum clock, Period, Schuler tuning, Simple harmonic motion, Spherical pendulum, chain rule, conservation of mechanical energy, divination, double pendulum, dowsing, elliptic function, gravitational force, gravitational potential, inertial guidance system, kinetic energy, moment of inertia, point mass, radian, radiesthesia, this equation, torque, torsion coefficient
	www.experiencefestival.com /a/Pendulum_-_Applications/id/597413 (420 words)

	Schuler - Wikipedia, the free encyclopedia
		Fridolin Schuler (1832-1903), Swiss pediatry, see German article
		Markus Schuler, German soccer player, see German article
		Raymond T. Schuler, commissioner of the New York State Department of Transportation
	en.wikipedia.org /wiki/Schuler (141 words)

	Amazon.ca: Pid Controllers: Books: Tore Hagglund (Site not responding. Last check: 2007-10-09)
		Among his many accomplishments in teaching and research, he worked on inertial guidance for the Research Institute of National Defense in Stockholm where, together with F. Hector of Philips, he developed a new principle for Schuler tuning of an inertial platform that was successfully flight tested.
		During his Ph.D. studies that focused on adaptive control and fault detection, he and Dr. Karl J. Åström developed the relay autotuner for automatic tuning of PID controllers.
		Chapter 5 presents new tuning algorithms that are easy to apply in practice and usually result in better control that older methods (like the atrocious Ziegler-Nichols).
	www.amazon.ca /Pid-Controllers-Karl-J-Astrom/dp/1556175167 (911 words)

	Azzpadz Tailbone Protector
		AZZPADZ is the self-preservation creation of Jason Schuler and Neil James; azz-impact survivors!
		They learned to snowboard with a group of 8 friends during a 2 day trip.
		Snowboards for sale sells Bluetooth Audex Gear, snowboard bags, stomp pads, snowboard bindings on sale, snowboard wax, snowboarding gloves and mittens for sale, tuning kits, helmets, snowboard pads, and many more snowboarding accessories like snowboard racks for your vehicle, snowboard crash pads....
	snowboards-for-sale.com /azzpadz (272 words)

	Case Studies in Navigation & Positioning (Site not responding. Last check: 2007-10-09)
		But using only these inertial sensors to determine the position by double integration of the gravity-corrected acceleration would not be successful for AUV navigation requirements and would lead to position errors increasing dramatically over time.
		Additionally, the well-known procedures of inertial signal processing, such as Schuler tuning or zero velocity update, would not be successful in AUV applications due to the large oscillation of the position error of some nautical miles (nm).
		The average position error would be in the area of 0.5nm after 24 hours with the best inertial measuring systems used, for example, on atomic submarines.
	www.underwater.com /archives/arch/021.06.shtml (3759 words)

	rpm.espn.com: Cannon going back to Pro Mod
		He was the NHRA Rookie of the Year in his first season in the fuel coupes but after five campaigns, has yet to ring up his first national event win.
		This year he has battled inconsistency, has had friend and crew chief Phil Schuler leave the team, and now splits his driving duties with the task of tuning his Oakley "Mad Professor" machine.
		It has been a disheartening 2003 for the popular racer wearing his trademark Mohawk haircut, with only four round wins and two DNQ's after 21 events- placing him a distant 14th in the POWERade standings.
	espn.go.com /rpm/nhra/2003/1026/1647032.html (546 words)

	Dictionary of Technical Terms for Aerospace Use - S
		A composite weighted index of pulse and blood-pressure response to exercise, utilized as a test of physical efficiency.
		A simulated Schuler pendulum carried in a vehicle moving in the earth's
		receiver due to a signal or signals having frequencies other than that to which the receiver is tuned.
	roland.lerc.nasa.gov /~dglover/dictionary/s.html (10691 words)

	ISA \| Leaders of the Pack
		Taylor engineers Ziegler and Nichols solved the problem by developing the well-known "Ziegler-Nichols" method of tuning, still in use today.
		With F. Hector of Philips, he developed a new principle for Schuler tuning of an inertial platform, which they successfully flight tested.
		After working on optimal and stochastic control as a visiting scientist at IBM Research Laboratories, he was responsible for modeling and implementing computer control systems for paper machines in Sweden.
	www.isa.org /InTechTemplate.cfm?Section=Article_Index&template=/ContentManagement/ContentDisplay.cfm&ContentID=28889 (3615 words)

	Brabourne Books by John Locke - Clock, Watch, Scientific and books of general interest
		INS components used in stable platform and strap-down systems are described including the principles of accelerometers and gyroscopes.
		Stabilising and erecting the platform, allowing for earth shape, centripetal acceleration, Coriolis effect and corrections for movement over the earth are all covered as are the stabilisation loop, Schuler tuning, error correction and Kalman filters.
		A complete stable platform INS is described with a comparison between stable platform and strap-down systems.
	www.lockes.co.uk /brabournebooks.htm (936 words)

	Greg Schuler
		You can watch the show if you live in the Brookline area by tuning into channel 3 (Comcast & RCN).
		The show will also be available shortly thereafter right here at gregschuler.com.
		Greg Schuler's debut album, "Said and Done", is now complete!
	www.gregschuler.com /home.php (390 words)

	ACE 2006
		From 1955 to 1960 Åström held teaching appointments at different departments at KTH, at the same time he worked on inertial guidance for the Research Institute of National Defense in Stockholm.
		Together with F. Hector of Philips he developed a new principle for Schuler tuning of an inertial platform which was successfully flight tested.
		He joined the IBM Nordic Laboratory in 1961 to work on theory and applications of computerized process control.
	www.dia.uned.es /ace2006/plenaryspeakers.html (1127 words)

	Central Band and Piano LLC
		Central Band and Piano, LLC, is a family owned and operated — full-line music store located in historic downtown Warrensburg, Missouri.
		We feature full-line services with lessons, sales, piano tuning, service, and repairs.
		We have new and used band instruments, pianos, guitars, amps, PAs, violins, banjos, drumsets and more.
	www.central-band.com (208 words)

	Amazon.com: PID Controllers: Theory, Design, and Tuning: Books: Karl J. Astrom,Tore Hagglund (Site not responding. Last check: 2007-10-09)
		Handbook of Pi and Pid Controller Tuning Rules by Aidan O'Dwyer
		PID Controllers: Theory, Design, and Tuning by Karl J. Astrom
		Plus, get FREE Super Saver Shipping on orders over $25 shipped from and sold by Amazon.com (restrictions apply).
	www.amazon.com /PID-Controllers-Theory-Design-Tuning/dp/1556175167 (1795 words)

	Amazon.fr : Pid Controllers: Livres en anglais: Tore Hagglund (Site not responding. Last check: 2007-10-09)
		The book examines the auto-tuning and adaptation features of several commercial controllers and it discusses measures for dealing with specific challenges such as reset windup, long process dead times, and oscillatory systems.
		Design methods and tuning rules that consider factors such as load disturbances, measurement noise, model uncertainty, and set point response are also recommended.
		These methods have also been implemented in industrial products.
	www.amazon.fr /Pid-Controllers-Karl-J-Astrom/dp/1556175167 (771 words)

	LinkedIn: Peter Heald
		Various Manufacturing and Inventory Control Positions at Schuler Corporation
		Enterprise software management professional with over 15 years of information technology and software experience focused on manufacturing industries.
		Managed Information Services for $20m kitchen cabinet manufacturing company with three sites in Oregon and two distribution centers in California.
	www.linkedin.com /in/peterheald (829 words)

	BRL Report 1961
		Hughes M-252 Digital Computer MANUFACTURER Hughes Aircraft Company Digital Systems Department Photo Photo by Hughes Aircraft Company APPLICATIONS The computer is currently being produced for use as a guidance computer to be used in a Minneapolis-Honeywell Inertial Guidance System for the Fairchild SD-5 Surveillance Drone.
		In this capacity, it aligns the platform, sets drift trims, performs the Schuler tuning of the platform, navigates the drone throughout the surveillance mission, turns sensors on and off, and feeds positional information to the data processor for proper identification of photographs.
		A modified version of the computer is being designed for installation in a standard relay rack to be used as a ground based computer for space probe guidance.
	ed-thelen.org /comp-hist/BRL61-h.html (4975 words)

	TELLUS: The Story of Space-Time - Chapter 29
		But an inertial navigation system that could stay locked to the stars for six weeks !
		Did they really understand all about Schuler Tuning, the natural period of eighty four minutes which all good inertial platforms must utilize ?
		He must have looked like an ignoramus to Sem.
	www.mhrc.net /TELLUS/Tellus29.htm (3886 words)

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