From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: * X-Spam-Status: No, score=1.1 required=5.0 tests=BAYES_05,REPLYTO_WITHOUT_TO_CC autolearn=no autolearn_force=no version=3.4.4 Path: eternal-september.org!reader01.eternal-september.org!reader02.eternal-september.org!news.eternal-september.org!news.eternal-september.org!mx05.eternal-september.org!feeder.eternal-september.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!newsfeed.eweka.nl!eweka.nl!feeder3.eweka.nl!69.16.177.246.MISMATCH!cyclone03.ams2.highwinds-media.com!news.highwinds-media.com!voer-me.highwinds-media.com!npeersf03.am4!fx22.fr7.POSTED!not-for-mail Message-ID: From: Mike H Reply-To: Mike Hopkins Newsgroups: comp.lang.ada Subject: Re: Ada for high speed rail control systems References: <3e9d37b8-0314-474e-b819-6f15f104eaa9@googlegroups.com> MIME-Version: 1.0 Content-Type: text/plain;charset=us-ascii;format=flowed User-Agent: Turnpike/6.07-M () NNTP-Posting-Host: 83.104.138.185 X-Complaints-To: abuse@demon.net X-Trace: 1373097596 83.104.138.185 (Sat, 06 Jul 2013 07:59:56 UTC) NNTP-Posting-Date: Sat, 06 Jul 2013 07:59:56 UTC Date: Sat, 6 Jul 2013 08:51:24 +0100 X-Received-Bytes: 1615 Xref: news.eternal-september.org comp.lang.ada:16126 Date: 2013-07-06T08:51:24+01:00 List-Id: In message <3e9d37b8-0314-474e-b819-6f15f104eaa9@googlegroups.com>, trungtruc.nguyen.2012@gmail.com writes >Hi, > >I am an embedded software student (I don't know much about hardware). I >would like to work in railway control systems. If someone works in this >field, please tell me what I should learn? I have knowledge about >real-time Ada (Concurrent : tasks, synchronisation et communications; >scheduling...) but I don't know about hardware (chips, >microprocessors...) can I work in this area? > The software level is where the real challenges lie. Take a look at the "driver-less" Docklands Light Railway. It has had two major accidents, both when a train was under manual control! -- The thing I like best about the Internet is that no one knows that, in reality, I am just another old dog! Mike Hopkins