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Topic: Dynamic stability control

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	BMW World - Technology
		Dynamic Stability Control (DSC) is a suspension control system which goes beyond the single components of Anti-lock Brake System (ABS), Cornering Brake Control (CBC) and Automatic Stability Control + Traction (ASC + T).
		DSC then intervenes via the engine management system, reducing drive torque and activating wheel brakes when necessary to keep the vehicle stable.
		DSC is, in fact, a further development of the ABS and ASC+T slip control systems.
	www.bmwworld.com /technology/dsc.htm (673 words)

	Howstuffworks "Stability Control"
		A stability control system uses several sensors to detect a loss of traction in your vehicle, then works with the antilock brake system to apply individual brakes to help keep the vehicle on its intended path.
		Stability control pulsates the brakes of individual wheels to help "rotate" the vehicle to the driver's intended path.
		Stability control is an important safety feature on today's vehicles, so make sure the vehicle you are considering has it.
	auto.howstuffworks.com /28001-stability-control.htm (446 words)

	Stability and Control: Introduction
		This section deals with some of the basic stability and control issues that must be addressed in order that the airplane is capable of flying at all.
		The body axis system is the conventional one for aircraft dynamics work (x is forward, y is to the right when facing forward, and z is downward), but note that this differs from the conventions used in aerodynamics and wind tunnel testing in which x is aft and z is upward.
		Stability is the tendency of a system to return to its equilibrium condition after being disturbed from that point.
	adg.stanford.edu /aa241/stability/sandcintro.html (650 words)

	Stability Control: Get Your Yaw-Yaws Out! (Site not responding. Last check: 2007-08-19)
		Stability control is actually the latest in a series of braking-related developments that began appearing in production vehicles in the 1980s.
		As you can imagine, stability control systems are particularly effective in inclement driving conditions, where the roadway may be covered with rain, ice or snow and the normal friction between the tires and the road is reduced.
		Stability control represents one more example of the significant impact advanced electronics are having on the automobile.
	www.edmunds.com /ownership/safety/articles/45992/article.html (1444 words)

	Study finds driver control improved by car stability systems \| The San Diego Union-Tribune
		Drivers lost control just 3.4 percent of the time when the "electronic stability control" system was on, compared to 27.9 percent when it wasn't, according to the study being released today at the Society of Automotive Engineers World Congress in Detroit.
		The presence of electronic stability control was most dramatic in the wind gust test on the Oldsmobile Intrigue: 21 of 29 drivers without the system lost control, compared to just six of the 30 drivers with it.
		No driver lost control in any of the scenarios when electronic stability control was used on the Ford Expedition, but nine of the 30 Ford drivers lost control on the curve when the system was turned off.
	www.signonsandiego.com /uniontrib/20040308/news_1n8stability.html (497 words)

	Chapter 4 - Dynamic Stability and Control - Standards Relating to Design, Construction and Operational Safety of ... (Site not responding. Last check: 2007-08-19)
		Where directional control devices depend for their normal operation upon power, any failure of that power shall be indicated at the crew station, from which the vehicle is normally maneuvered.
		In vehicle designs incorporating only one directional control device (or group of devices which are controlled and operate as one), it shall be demonstrated that the vehicle may be safely handled and maneuvered in the event of failure of the input control to the device or devices.
		Directional control devices depending for their effectiveness upon the generation of aerodynamic or hydrodynamic forces shall be of adequate strength, and be attached to the vehicle adequately such that these forces will be reacted without distortion of the device or of it's attachment.
	www.transportcanada.com /marinesafety/TP/Tp5579/Chap-4.htm (1748 words)

	BMW F.I.R.S.T. (via CobWeb/3.1 planetlab1.tamu.edu) (Site not responding. Last check: 2007-08-19)
		Dynamic Stability Control (DSC) is a further development of the Anti-lock Brake System (ABS) and Automatic Stability Control and Traction (ASC+T) slip control systems.
		With DSC there is a significant reduction in the risk of skidding during sudden swerve manoeuvres or on slippery bends, on cobblestones or similar road situations.
		DSC then intervenes within a few milliseconds via the engine management system by influencing the engine torque and activating brakes on individual wheels where necessary.
	www.bmw.co.za.cob-web.org:8888 /Products/FIRST/Active/act-DSC.htm (539 words)

	USAF Digital Datcom
		The fundamental purpose of the USAF Stability and Control Datcom is to provide a systematic summary of methods for estimating stability and control characteristics in preliminary design applications.
		Output is presented as a function of angle of attack and consists of control deflection angles required to trim and the associated longitudinal aerodynamic characteristics shown in Table 3.
		Body-canard-tail configurations may be trimmed by calculating the stability characteristics at a variety of canard incidence angles and manually calculating the trim data.
	www.pdas.com /datcom.htm (3566 words)

	Electronic Stability Control Helps Prevent Vehicle Rollovers (Site not responding. Last check: 2007-08-19)
		The stability enhancement system is designed to improve vehicles’ lateral stability by electronically detecting and automatically assisting drivers in critical driving situations, (for example understeer and oversteer) and in adverse weather conditions, such as rain, snow, sleet, and ice.
		Electronic Stability Control (ESC) systems are technological developments evolving from and incorporating the first two technologies – ABS and TCS.
		Of course, not all manufacturers label their electronic stability control systems the same, and not all ESC systems are identical.
	www.garyeto.com /electronic-stability.shtml (825 words)

	Ford Unveils its Dynamic Duo
		As soon as the Electronic Control Unit (ECU) detects a deviation from desired wheel speeds, the speed of the spinning wheel is automatically reduced by brake intervention, without any action on the part of the driver.
		Presser described DSC as the next generation in driving aids, employing the vehicle's braking and engine control system as a tool for 'controlling ' the vehicle by mitigating vehicle skid.
		DSC incorporates three vital elements in addition to the traction control system hardware — a steering wheel angle sensor, a lateral acceleration sensor and a rotational yaw rate sensor.
	www.4wdonline.com /bbs/messages/7/416.html (2352 words)

	Mazda 3 gets Dynamic Stability Control » Australian Car Advice & News Blog
		Holden recently announced that all new Holden VE Commodores will come with Electronic Stability Control which is just another name for the same system.
		Making DSC available on our most popular car range is another important step in reducing the amount of trauma we see on our roads.
		DSC, which also incorporates traction control, works with ABS anti-lock brakes, a safety feature that is now standard on all Mazda3 models.
	www.caradvice.com.au /544/mazda-3-gets-dynamic-stability-control (516 words)

	ABS and Stability Control \| Advance Auto Parts (Site not responding. Last check: 2007-08-19)
		Stability control minimizes your chances of spinning out or sliding nose-first off the road.
		Stability control applies the brakes on the end of the car with too much grip.
		For stability control, there's little you need do except to explore its potential in a safe environment: Find an empty parking lot (with no obstacles) on a rainy or snowy day and wrench the steering wheel in a stupidly aggressive manner.
	www.advanceautoparts.com /english/youcan/html/dsm/dsm20040401as.html (1084 words)

	Stability and Control
		A new generation of stability control systems helps drivers maintain command of their vehicles even before they realize they've lost it.
		A stability control system, on the other hand, goes one step further by actually detecting when a driver has lost some degree of control.
		Like the safety systems that preceded it, stability control is designed to step in when human input is incapable of effectively controlling the vehicle.
	www.mucda.mb.ca /Stability.htm (944 words)

	Electronic Stability Control
		Electronic stability control essentially makes ABS a full-time expert back seat driver that's constantly monitoring how the vehicle is responding to the driver and road conditions.
		If the stability control software in the ABS control module detects a difference in the normal rotational speeds between the left and right wheels when turning, it immediately reduces engine power and applies counter braking at individual wheels as needed until steering control and vehicle stability are regained.
		The test is then repeated with stability control engaged and the vehicle remains flat on the ground.
	www.aa1car.com /library/stability_control.htm (1910 words)

	Car Talk
		RAY: Dynamic stability control is one of the newest electronic forms of skid control.
		DSC helps prevent you from losing control of the car when you take a corner too fast or swerve to avoid something.
		So, if your husband is determined to have control, he can turn off the system, make some high-speed swerves and crash your new car into a chicken coop to prove our point.
	www.cartalk.com /content/columns/Archive/2005/January/06.html (745 words)

	Tuning Linx - BMW 130i - Highlights & Short Story
		Should, for example, a sudden manoeuvre serving to avoid an obstacle or an unexpected change in road conditions lead to an extremely difficult situation, DSC Dynamic Stability Control serves to keep the car on course, the system applying the brakes specifically on individual wheels to prevent the car from swerving out of control.
		A further point is that the brake pads are applied lightly to the brake linings at regular intervals in wet weather, to provide a "dry braking effect" and to prevent the usual delay in the response of the brakes otherwise encountered in rain and wet weather.
		ASC Automatic Stability Control helps to ensure safe traction when setting off on a slippery or rough surface, while yet a further additional function of BMW's latest generation DSC prevents the car from rolling back when setting off on a gradient.
	www.tuninglinx.com /html/bmw-130i-6.html (525 words)

	Scoop: BF Falcon MkII – Evolution of An Icon
		DSC works in tandem with ABS – which prevents the wheels from locking when the brakes are applied – and TCS, which limits wheel spin during acceleration.
		DSC is part of the next generation of driving aids, employing the vehicle's braking and engine control system as a tool for 'controlling ' the vehicle by mitigating vehicle skid.
		DSC is constantly working in the background, monitoring all its sensors 25 times a second, to check the driver's steering wheel position, throttle pedal position, whether the driver is braking, and where the vehicle is actually going.
	www.scoop.co.nz /stories/BU0611/S00013.htm (5809 words)

	dynamic stability control? - SaturnFans Forums
		DSC was new a couple of years ago and was offered on Cadilac, MB, Corvette, Porsche and is now (2000 or 2001 models) offered on mid level cars like Buick Lesabre, Olds Intrigue and Toyota Avalon.
		Electronic stability control systems, which use a set of sensors to keep a vehicle from spinning out, are gaining in popularity in Europe and are increasingly being included on passenger cars.
		In theory, stability control would improve the chances that a driver could keep the truck or SUV on the road.
	www.saturnfans.com /forums/showthread.php?t=3061 (2342 words)

	Inside Line: First Drive: 2006 BMW 530xi - First Drive: 2006 BMW 530xi (Site not responding. Last check: 2007-08-19)
		With xDrive and Dynamic Stability Control working as a team, the 530xi is almost unstoppable on snow and ice.
		Switch off the stability control altogether, and the advanced driver is left with a responsive and predictable ice-driving machine.
		There's even a Trailer Stability Control feature that uses the brakes to keep trailers hitched to the 530xi from swaying out of control…in the event that an owner takes advantage of the car's 4,410-pound tow rating.
	www.edmunds.com /insideline/do/Drives/FirstDrives/articleId=104929 (1025 words)

	Driver's Guide from FLORIDA TODAY (Site not responding. Last check: 2007-08-19)
		Expanding on existing antilock braking systems, an electronic stability system measures the driver's steering input against the car's yaw angle (rotation about the vertical axis) and traction at the wheels.
		Individual automakers give their systems names such as Dynamic Stability and Traction Control (Volvo), Dynamic Stability Control (BMW), Electronic Stability Program (Mercedes-Benz and many others), StabiliTrak (Cadillac and some other GM brands) and Vehicle Stability Control (Lexus and Toyota), among others.
		And Honda plans to standardize its Vehicle Stability Assist package on all Acura and Honda SUVs and minivans by the end of the same year.
	www.floridatoday.com /sections/driversguide/control.htm (863 words)

	ME426
		To teach the students static stability and control related to flight dynamics.
		To teach the students dynamic stability and control related to flight dynamics.
		Longitudinal and lateral-directional dynamic stability and control, Euler angles, reduction of longitudinal and lateral equations of motion, their stability derivatives and mode shapes, including phugoid, short period spiral roll, and Dutch roll modes.
	www.kfupm.edu.sa /me/courses/ME426.htm (408 words)

	Volvo XC70 All-Terrain Features Full Compliment of Safety Equipment
		Volvo's Dynamic Stability Traction Control is standard on the XC70 AT.
		The system continuously monitors a number of factors such as heading angle (the direction in which the vehicle is pointing), course angle (direction in which the vehicle is traveling) and vehicle slip (the difference between heading angle and course angle.
		Traction Control brakes the spinning wheel under acceleration in a split-_ situation where one wheel begins spinning faster than another (this usually occurs when one tire is on a slipper surface such as ice, or is not in contact with the road, which can occur in certain off-road situations).
	www.swedespeed.com /news/publish/Volvo_News/printer_677.html (1085 words)

	Electronic Stability Control - Wikipedia, the free encyclopedia
		In the fall of 2004 in the U.S., the National Highway and Traffic Safety Administration confirmed the international studies, releasing results of a field study in the U.S. of ESC effectiveness.
		In the event that the vehicle is out of alignment or has a tire with low enough air pressure to affect the steering wheel's angle, the yaw rate sensor would conflict with the steering wheel sensor.
		If this were the case, the vehicle's Powertrain Controle Module may interpret the driver's actions as trying to turn the vehicle, rather than compensation for a mechanical problem.
	en.wikipedia.org /wiki/Dynamic_stability_control (1045 words)

	Electronic Stability Control (ESC) ?How Safe Is Your Car?
		ESC incorporates all the components of ABS and Traction Control, with the additional benefits of Dynamic Stability Control.
		While ABS and Traction Control function only in the driving (longitudinal) direction, ESC additionally assists the driver in coping with the sideways (lateral) movements which create instability.
		As such, and unlike ABS and Traction Control, ESC is a “total?and “holistic?system that controls a car’s entire movements.
	www.howsafeisyourcar.com.au /electronic-stability-control.php (475 words)

	AIADA - American International Automobile Dealers Association: AIADA News
		Youâre going too fast for the conditions and any attempt to brake or turn is going to result in loss of control and a dangerous skid sideways.
		He/she can easily bring the vehicle into control because race drivers have extensive training and practice in recognizing changing vehicle dynamics while the vehicle is at the limits of adhesion.
		Using a system of sensors that detect lateral acceleration, yaw and wheel speeds, ESC computer software determines the degree to which the vehicle is plowing (understeer) or fishtailing (oversteer) and selectively applies braking pressure to individual front or rear wheels and reduces engine power to bring it under control.
	www.aiadalists.org /newsroom/newsDetails.aspx?id=57205 (966 words)

	BMW World - BMW Z4 Roadster Dynamic Stability Control
		Like all current U.S. BMW models, Z4s come standard with Dynamic Stability Control, a comprehensive, state-of-the-art traction and stability system; DSC appears here in its newest generation, with the advanced Dynamic Traction Control function.
		This keeps the vehicle very stable, but under certain conditions (such as climbing a snow-covered hill) can leave little power to move forward.
		Maintenance of full DSC stability benefits under higher-speed, more vigorous driving conditions.
	www.bmwworld.com /models/z4/dsc.htm (273 words)

	electronic stability control - GreenHybrid - Hybrid Cars
		Or is the question, hybrid automobiles in their electric drive mode have yet to solve all the problems related to the electronic stability control.
		Ford has offered stability control for years in some vehicles (Explorer, Jaguar S-Type, XK 8, and XJ8 off the top of my head).
		Any vehicle that has 4 chanel ABS could have stability control, just add a yaw sensor under the center consol, a rate of steering sensor to the steering shaft, and the right software in the ABS module, that is all it takes, and this syst.
	www.greenhybrid.com /discuss/electronic-stability-control.10940.html (708 words)

	Facts, Features & Specs: Dynamic Stability Control at MINIUSA.com (via CobWeb/3.1 planetlab1.tamu.edu) (Site not responding. Last check: 2007-08-19)
		First, the system uses sensors to measure the steering angle, yaw and lateral acceleration to determine the direction you want to go (yes, we actually used the word "yaw" in a sentence).
		Then, if the actual path of your MINI starts to stray from the path you intended, the DSC system will kick in by applying the right amount of brake pressure to individual wheels and manipulating the engine torque.
		Plus, our new DSC system's hill assist makes acceleration on a hill a piece of two-toned chocolate cake.
	miniusa.com.cob-web.org:8888 /feature-dynamic-stability-control.html (402 words)

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