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Topic: Traction control

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	Method and apparatus for modifying the feedback gains of a traction control system - Patent 5865512
		A traction control system, as set forth in claim 4, wherein the machine further includes front and rear wheeled sections hinged together by an articulation mechanism for relative movement about a vertical axis, and an angular position sensor that produces an articulation signal having a value responsive to the angle of articulation of the machine.
		A traction control system, as set forth in claim 5, including means for storing a plurality of gain values, receiving the lift position signal, receiving the articulation angle signal, receiving a gear selection signal, determining whether the machine is digging, and selecting the appropriate gain value in response to the machine digging.
		A traction control system, as set forth in claim 7, wherein the machine includes front and rear wheeled sections hinged together by an articulation mechanism for relative movement about a vertical axis, including an angular position sensor that produces an articulation signal having a value responsive to the angle of articulation of the machine.
	www.freepatentsonline.com /5865512.html (4272 words)

	Britain.tv Wikipedia - Traction control
		Traction control systems, on current production vehicles, are typically (but not necessarily) electro-hydraulic systems designed to prevent loss of traction (and therefore the control of the vehicle) when excessive throttle or steering is applied by the driver.
		In off road vehicles: Traction Control is used instead or in addition to the limited slip or locking differential.
		With traction control it is a possibility that the ability to control the direction of the car is restored.
	www.britain.tv /wikipedia.php?title=Traction_control (612 words)

	Taking a Stand on Traction Control
		Traction control is a term that strikes fear in the hearts of some members of the motorsports community.
		Traction control is not going to make a car quicker, but it will make it more consistent and controllable on a less-than-perfect track surface.
		A legal traction control system would be another item in the toolbox that racers could use to adjust the car to track conditions.
	www.competitionplus.com /04_15_2004/traction_sidebar.html (841 words)

	Traction Control
		Traction control is yet another safety development that has reached the automobile during this period.
		Traction control is part of a series of three braking technology developments that began appearing in vehicles in the mid-eighties.
		Traction control is available on a wide selection of vehicles, including some economy cars like the Chevy Cavalier, Saturn S Series and the Ford Focus.
	www.edmunds.com /ownership/safety/articles/46352/article.html (884 words)

	POWERTRAX® - TRACTION INFORMATION
		Because the wheel that begins to slip has the lowest amount of traction and because all the power is delivered to that slipping wheel, there is insufficient power applied to the non-slipping wheel to adequately propel the vehicle.
		Electronic traction control is usually designed to work in conjunction with the vehicle's anti-lock braking system (ABS), and is adapted primarily to passenger cars rather than heavier duty vehicles.
		Car owners with electronic traction control often learn that their traction improvement is so limited they can't even climb their driveways after a light snowfall.
	www.powertrax.com /tractioninfo.html (1133 words)

	Formula 1 Traction Control - mad4F1.com
		Traction control is an electronic aid that assists the driver during the various corners on a racing track.
		In ordinary passenger car traction control ensures stability under everyday use and in case of Formula 1 cars it is for delivering the maximum amount of power to the road all times.
		The role of traction control in Formula One racing is an ongoing source of debate, with critics arguing that driver skill alone should regulate the amount of power transferred to a car's rear wheels.
	www.mad4f1.com /f1-technology/f1-traction-control.htm (803 words)

	The Official Formula 1 Website (Site not responding. Last check: 2007-10-08)
		And it is in this that traction control is of the greatest assistance to drivers.
		After a long period during which traction control was banned, the FIA decided to re-allow its use at the start of the 2002 season as it was becoming increasingly difficult to prove that ECUs (Engine Control Units) were not being used to replicate traction control functions.
		And traction control will be again be outlawed altogether from the start of the 2008 season, when the introduction of standardised ECUs to the cars will make policing the ban far easier than in the past.
	www.formula1.com /insight/technicalinfo/22/5278.html (514 words)

	RX8Club.com - Traction Control/Stability Control
		Then there are the traction control systems like in higher-model cars, which incorporate all sorts of yaw, pitch, roll, speed, steering wheel angle, throttle angle, brake application, etc. etc.
		Traction control adds virtually no weight, and very few extra parts, hence it is a very attractive alternative to AWD.
		Traction contron/stability control, while important for me, MUST give the driver the option to turn it off with a switch.
	www.rx8club.com /showthread.php?t=817 (739 words)

	Musclecarclub.com - Library - Tech - Traction Control
		Traction is the grip that your car’s tires have on the road, which is needed to accelerate, turn and brake.
		Traction control devices in the car reduce the loss of grip so your tires will have traction to accelerate, turn and brake.
		Traction Control is used to prevent the drive wheels from losing grip when accelerating.
	www.musclecarclub.com /library/tech/traction-control.shtml (610 words)

	[No title] (Site not responding. Last check: 2007-10-08)
		Terraza has available traction control to assist drivers when conditions get slippery.
		When Terraza's powertrain control module (PCM) computer detects excessive front-wheel spin, it makes a series of adjustments to help the spinning tire regain traction.
		When traction is restored through any of these intervention measures, the PCM returns full control to the driver.
	www.buick.com /terraza/contextualpage/performance/tractioncontrol.jsp (102 words)

	Traction Control \| J.D. Power
		Traction control is a technology designed to help your vehicle maintain traction, no matter how slippery the road surface.
		Unlike mechanical traction control systems of the past (such as limited slip differentials), today’s systems are nearly all computer-controlled as they actively watch wheel slip.
		Although it is very effective in nearly all circumstances, traction control cannot change the laws of physics, meaning that loss of traction may still cause an accident, even with this technology.
	www.jdpower.com /articles/article.aspx?ID=133 (680 words)

	Often Confused Terms
		TRACTION CONTROL is Ford's name for its electronic braking and engine control system that monitors rear wheel slippage and prevents loss of traction when accelerating.
		When traction control is turned on, the PCM monitors the speed sensors at the wheels and at the transmission and compares rear wheel speed to the car’s road speed.
		Traction Control is optional on all models except the Cobra.
	www.miracerros.com /mustang/terminology.htm (811 words)

	Traction Control & NASCAR - Racing Forums
		Electronic traction control systems, in a matter of milliseconds, monitor the car's systems and adjust the power being delivered to the wheels so that the wheels don't spin, losing traction.
		These things (electronic traction control devices) can adjust the engine and the driver can just hold his foot to the floor and the traction is controlled through the processor inside the electronic system.
		The idea these things can be controlled by somebody in the grandstands with a cell phone or through a GPS system or somebody in the motorhome in the infield, all of that is really way out there when you think about it.
	www.racing-forums.com /vb/showthread.php?t=133 (5360 words)

	Soup :: Traction (Out Of) Control by Evan Williams
		Traction Control has been the buzzword in AMA Superbike for a couple of seasons, but the TC debate has gone to full boil in 2006.
		Whether you are for it or against it, the traction control issue in the AMA needs to be resolved.
		And, since AMA rules only ban dedicated Traction Control systems and front-wheel speed sensors, that is the exact gray area that the factory teams seem to be trying to exploit.
	www.superbikeplanet.com /2006/May/060530x.htm (934 words)

	Traction control: limited slip differential Motor Age - Find Articles (Site not responding. Last check: 2007-10-08)
		As long as the wheels have the same traction, side thrust is zero and torque split is even.
		But when a wheel (sun gear) slows for a turn or loses traction, torque is reduced on that sun gear but multiplied by the side thrust of the planet gears and applied to the other wheel.
		Tiffs type of differential is commonly used in vehicles that use ABS for electronic traction control and also as the center differential in full-time four-wheel drive.
	www.findarticles.com /p/articles/mi_m3102/is_9_123/ai_n6221223 (961 words)

	The Difference Between Traction-Loc & Traction Control - Super Coupe Club of Iowa
		Traction Control is an electronic system that is controlled by the computer.
		In other words, when you accelerate from a dead stop, or you speed up while you are passing another vehicle, traction control works to ensure maximum contact between the road surface and your tires, even under less-than-ideal road conditions.
		Traction control was actually developed for use on wet or icy road surfaces.
	www.albeedigital.com /supercoupe/articles/traction-loc.html (418 words)

	Drivetrain: Axle (Site not responding. Last check: 2007-10-08)
		Description: Traction control is a system that integrates with the engine control system, brakes, and antilock brakes to control wheel slippage under acceleration.
		When the traction control system senses slippage at a given drive wheel, it may limit engine output through various control strategies and apply the brakes.
		Most traction control systems use a warning light on the dash to alert the driver of a system fault.
	www.carcare.org /Drivetrain/traction_control.shtml (324 words)

	Traction Control - Sport Rider Magazine
		A loss of traction is indicated by the rear wheel turning faster than the front, and a control unit decreases power by any one of several available means until both wheels are turning at the same speed.
		Honda’s mid-’90s ST1100 was offered with a traction control option, which measured and compared front- and rear-wheel speeds to determine how much to retard ignition timing and cut back engine power.
		A tire’s traction level peaks at a given amount of slip, which is counterintuitive to no wheelspin at all for best traction.
	www.sportrider.com /tech/146_0603_traction_control_motogp (571 words)

	CA Dep. Consumer Affairs- Bur. Automotive Repair - Traction-Control Information from Vehicle Manufacturers
		Traction control may also be incompatible with single-axle dynamometers.
		Police specification Crown Victorias have traction control and may not be tested on a single-axle dynamometer.
		The 2000 4Runner 2WD, 2000-2001 4Runner 4WD, and the 2001 Sequoia 4WD are not testable on a dynamometer due to non-switchable traction control.
	www.smogcheck.ca.gov /StdPage.asp?Body=/geninfo/otherinfo/traction.htm (1224 words)

	Traction Control — Tire Optimization — Tire Setup — Circle Track Magazine
		The traction control in this case is making the tires stick while we are under power off the turns and down the straightaway.
		If a tire has "X" amount of traction with 400 pounds on it, the traction will be less than double as we apply 800 pounds of loading to it.
		That would seem to enhance traction, but excessively low or high pressures may reduce the loading on portions of the tire so that the total loading of the tire is reduced and we end up with less available traction for that tire.
	www.circletrack.com /techarticles/139_0310_traction_tire_setup_optimization/index.html (825 words)

	AMA News: BMW brings traction-control system to streetbikes
		It's commonly called "traction control," and it's also the next piece of technology expected to trickle down to the streetbike world from the realm of racing.
		But the first company to bring traction control to the street is one that's not represented on any of those race grids: It's BMW.
		Meanwhile, BMW, the company that doesn't build race bikes with traction control, is about to become the first to bring this technology to the street.
	www.amadirectlink.com /news/2006/BMW_ASC.asp (926 words)

	Racelogic traction control
		Traction control is simply a control system that stops the car wheels from slipping when too much power is put through them and thus cause the car to become unstable in terms of its behavior on the road.
		The second approach is to fit a traction control system where a microprocessor does some of the thinking for you.
		The control allows the degree of control to be adjusted and also has the all important launch control button.
	ourworld.compuserve.com /homepages/shpub/Racelogic.html (3037 words)

	Pull Bar, Liftbar — Traction Control — Tech, Overview - Circle Track
		The term “traction control” implies there is feedback into a system that knows how much wheel spin exists at any given time and the control system reacts to produce the desired result: zero tire spin.
		Truthfully, they are “traction enhancing devices.” The system merely slows the application of torque to the tires, which helps to match the demand for traction forces with the tires’ ability to supply it.
		Mechanical traction control is legal in many forms of racing and is useful to keep your engine from overpowering the tires, especially on a tight, slick track.
	www.circletrack.com /techarticles/pull_bar_liftbar_traction_tech (1182 words)

	CanadianDriver: Auto Tech - Traction control
		There are many different methods of controlling the traction of the vehicle: retarding ignition timing, reducing fuel delivery, controlling the transmission, controlling the throttle, or applying the brakes.
		The final method of traction control is to slow the spinning wheel by applying the brake on that wheel.
		Manufacturers design the traction control systems to be always on, but pressing a switch will turn the system off until it is manually turned on again or the next time vehicle is started.
	www.canadiandriver.com /articles/jk/at_000926.htm (926 words)

	Traction control - F1Technical.net
		A traction control system is a device to prevent or limit such spinning in the wheels in order to increase the ability to accellerate.
		Traction control has been around in various guises since the 1980s, and cars like the 1992 Williams FW14B which took Nigel Mansell to his drivers' championship title were even more electronic-packed than the current cars - featuring computer-controlled active suspension in addition.
		The ban in the mid 1990s was introduced because of safety measures to reduce speed, and motivated by the idea that since traction control is quite easy to achieve it would therefore also be easy to spot.
	www.f1technical.net /articles/7 (1065 words)

	Safercar.gov - Rollover
		Available in many new cars, this technology helps drivers maintain control of their vehicle during extreme steering maneuvers by keeping the vehicle headed in the driver's intended direction, even when the vehicle nears or exceeds the limits of road traction.
		A professional driver, with sufficient road traction, could maintain control in an extreme maneuver by using various techniques, such as countersteering (momentarily turning away from the intended direction).
		ESC cannot increase the available traction, but maximizes the possibility of keeping the vehicle under control and on the road during extreme maneuvers by using the driver’s natural reaction of steering in the intended direction.
	www.safercar.gov /rollover/pages/NewTechESC.htm (286 words)

	cars - Traction control
		Traction control and Vehicle Stability Control systems, on current production vehicles, are typically (but not necessarily) electro-hydraulic systems designed to prevent loss of control when excessive throttle or steering is applied by the driver.
		Traction Control is usually considered as a performance enhancement, allowing maximum traction under acceleration without wheel spin.
		Some motorsports series have given up trying to outlaw traction control, either because the general function is so hard to detect, eg F1, or, as in many U.S. stock car series, because it is possible to incorporate an effective traction control device in the wiring, invisible to scrutineers.
	www.carluvers.com /cars/Traction_control (239 words)

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