Sorry for no "Subject" on the first post. In any case, I meant this Wall Street Journal as a challenge to the Haskell community to perhaps "step up to the plate" in the auto arena vis-a-vis software correctness. I realize that with hard real-time problems and a garbage collector that that could be a problem. In any case , enjoy.
Vasili On Fri, Apr 2, 2010 at 5:55 AM, Vasili I. Galchin <vigalc...@gmail.com> wrote: > * > * > * > * > * > * > * More > o BigCharts > o Virtual Stock Exchange > o FiLife.com > o WSJ Asia > o WSJ Europe > o WSJ Portuguese > o WSJ Spanish > o WSJ Chinese > o WSJ Japanese > o WSJ Radio > o Financial News > > SEARCH > > * Wednesday, March 31, 2010 > Autos > o Welcome, William Halchin Logout > o > + My Account > + My Journal > + Help > + Message Center ( new) > > * > U.S. Edition > > WSJ.com is available in the following editions and languages: > o U.S. > o Asia > + India > + China > + Japan > o Europe > o Americas > + en Español > + em Português > o Login/Register to set your edition > o Set my edition > o Today's Paper > o Video > o Columns > o Blogs > o Topics > o Journal Community > > Register for FREE > Register for FREE > > Thank you for registering. > > We sent an email to: > > Please click on the link inside the email to complete your registration > > Please register to gain free access to WSJ tools. > > An account already exists for the email address entered. > > Forgot your username or password? > > This service is temporary unavailable due to system maintenance. > Please try again later. > > The username entered is already associated with > another account. 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To order presentation-ready copies for > distribution to your colleagues, clients or customers, use the Order > Reprints tool at the bottom of any article or visit www.djreprints.com > See a sample reprint in PDF format. Order a reprint of this article now > * The Wall Street Journal > > * MARCH 31, 2010 > > Now, Even NASA Is Involved in Toyota Crisis > > * Article > * Comments (2) > > more in Auto Industry News » > > * Email > * Print > * > > Save This ↓ More > * > o > > facebook > facebook > o > > Twitter > Twitter > o > > Digg > Digg > o > > StumbleUpon > StumbleUpon > o + More > close > o Yahoo! Buzz > o MySpace > o del.icio.us > o Reddit > o LinkedIn > o Fark > o Viadeo > o Orkut > * larger Text smaller > > By BEN WORTHEN > > U.S. regulators on Tuesday announced a broad investigation into > automotive computer systems and software, which have come under > scrutiny because of sudden acceleration and other reports involving > some Toyota Motor Corp. cars. > > An examination of Toyota's problems will be conducted by experts from > the National Aeronautics and Space Administration, while the National > Academy of Sciences, which advises the government, will undertake a > separate, 15-month study into the use of computer technology in cars, > U.S. Transportation Secretary Ray LaHood said. > > Toyota has said there is no evidence that software or electronic > systems are responsible for sudden acceleration in its cars. The > company "repeatedly and rigorously" tests its software and has > subjected it to outside review, a spokesman said. > > Electronics have led to some of the biggest safety breakthroughs in > vehicles, such as antilock brakes and stability control. Software > controls an ever-growing variety of functions in cars, including > braking and accelerating. Increasingly, cars include software that > links these systems to do things like parallel park the vehicle or > remember the seat positions, temperatures and radio stations preferred > by different drivers. > > "Ninety percent of all innovation in cars today is driven by > software," said Ingolf Krueger, an associate professor of computer > science and engineering at the University of California in San Diego. > > No surprise then that software is sometimes to blame when things go > wrong. While Toyota has received most of the attention, other car > makers have had software-related incidents. > > Ford Motor Co.'s 2010 Fusion Hybrid has a high-tech braking system > that also recharges its battery through a process called regenerative > braking. Software monitors sensors in the car and determines when to > engage the conventional braking system instead. Several drivers filed > complaints with the National Highway Traffic Safety Administration, > the agency responsible for vehicle safety, stating that they depressed > the brake pedal as far as possible but the brakes didn't engage. > > A Ford spokesman said a sensor on the car was set too sensitively and > that software interpreted the signal to mean it should skip the > regenerative braking step. The company issued a software upgrade that > it said would take care of the issue, avoiding a recall. > > In November 2008, General Motors Co. recalled 12,662 of its 2009 model > year Cadillac CTS sedans because a software glitch caused the > passenger-side air bag to be turned off when it should have been > active. > > That same year, Volkswagen AG recalled 4,079 2008 Passats because of > software that didn't properly control the engine idle while the air > conditioning was on. And Toyota in February recalled 2010 Priuses to > fix the software in their antilock brakes that some owners said led to > delays in the brakes engaging. > > To date, the National Highway Traffic Safety Administration has > evaluated software and electronic systems only as part of other > reviews, such as whether an air bag deploys when it is supposed to, a > spokeswoman said. The agency doesn't have any software or electronics > specialists on staff, she added. > > Auto software has some distinct characteristics. For one thing, the > programs are relatively simple and are designed to be embedded in > simple components—typically eight-bit and 16-bit computer chips, > compared with more advanced 32-bit and 64-bit microprocessors found in > most personal computers. > > The simplicity is intended to make the software more reliable—the > fewer things it is asked to do, the less likely it is to experience a > problem. > > Indeed, Mr. Krueger said automotive software has led to some of the > biggest jumps in safety and fuel efficiency. Electronic > stability-control systems, which detect when a car is skidding and > automatically deploy the brakes, have reduced the number of vehicles > that flip over, he said. > > In an effort to improve the quality of software in vehicles several > car makers in 2003 founded the Automotive Open System Architecture > group to create standards. These systems have become enormously > complex, said Simon Fuerst, a spokesman for the group, all the more so > because car makers traditionally use their own proprietary software > formats. > > Raj Rajkumar, professor of electrical and computer engineering at > Carnegie Mellon University, has recently been studying the software in > a Lexus IS250, a car made by Toyota, that experienced sudden > acceleration. His hypothesis is that a software glitch caused the > vehicle's fail-safe mode—which typically shuts off or reduces engine > power in the event of a system failure—to not to kick in when it > should. > > But he said he isn't certain and his study is made more difficult by > the fact he doesn't have access to the software code used in the car. > > Mr. LaHood on Tuesday said that many members of Congress feel "there's > something wrong with the electronics, not only just in Toyotas but in > other automobiles, too. We felt that we really needed to look into > this." > —Josh Mitchell contributed > to this article.Printed in The Wall Street Journal, page B1 > > Copyright 2009 Dow Jones & Company, Inc. All Rights Reserved > > This copy is for your personal, non-commercial use only. Distribution > and use of this material are governed by our Subscriber Agreement and > by copyright law. For non-personal use or to order multiple copies, > please contact Dow Jones Reprints at 1-800-843-0008 or visit > > www.djreprints.com > More In Auto Industry News > > * Email > * Printer Friendly > * Order Reprints > * > * > Share: > o > > facebook > facebook > o > > Twitter > Twitter > o > > Digg > Digg > o > > StumbleUpon > StumbleUpon > o > > Viadeo > Viadeo > o > > Orkut > Orkut > o > > Yahoo! Buzz > Yahoo Buzz > o > > Fark > Fark > o > > Reddit > Reddit > o > > LinkedIn > LinkedIn > o > > del.icio.us > del.icio.us > o > > MySpace > MySpace > * > > * > Back To > > * Back To > * > * > MSN Money Homepage > * > MSN Money Investing > > Companies within this Article > Toyota Motor Corp. 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