electronic throttle
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From: jim beam on 15 Mar 2010 10:15 On 03/14/2010 11:39 PM, Rodan wrote: > > This electronic throttle thing is great. If you believe everything that > could be invented has already been been invented, do this: Replace > something already invented with something else already invented > and call it a new invention. > > This has been successfully done in automobiles by throwing away the > familiar throttle cable and replacing it with a whole new system of > electromechanical parts; Hall-effect position sensors, electric wire > cables, electrical connectors, power transistor amplifiers, servo motors, > and an expanded computer program to control it all. > > The brilliant scientists who created this new invention promise: > > "significant improvement in mileage and pollution > control and significantly better control for things > like cruise control and automatic transmissions too" > > They have revealed no numbers about how significant the improvements > will be, but they have pointed out that the new system will bring a big > improvement in safety. The wire inside the old throttle cable might bind > or snap, whereas the Hall-effect/position sensors/electric wire > cables/electrical connectors/power transistor amplifiers/servo motors > and expanded computer program use electronic parts reliable for millions > of operations. There is no way the new system can fail. > > It's only a matter of time before these scientific savants come up with > other applications, such as eliminating the ripcord in parachutes. > Instead of tugging on a ripcord, a skydiver could just touch the button on a > Hall-effect sensor on his chest, and an electrical cable draped over his > shoulder would transmit a signal to the parachute's computer telling it > to let the power amplifiers energize the servomotors to release the latch > on the chute. Instead of a conventional ripcord that could bind or > break, a reliable electronically controlled ripcord actuation system > would finally take all of the fear out of parachute jumping. > > The possibilities are endless. Are you tired of pulling a cord to raise > your venetian blinds? Do it with a servo control system just like the > electronic throttle. How about your lawnmower starter cable? Your > church bell rope? Your light fixture pull chain? Your tampon string? > > As our lives are impacted by their leadership, the wisdom of the throttle > cable replacement scientists will be demonstrated again and again. > > Best regards to all, > > Rodan. > > dude, you're utterly clueless. this is about control systems. diesels have had control systems from day one. have you any idea /why/ they're always used? what would you have us do to them? -- nomina rutrum rutrum
From: jim beam on 15 Mar 2010 10:16 On 03/15/2010 06:08 AM, Bob Cooper wrote: > In article<806g3mFtd8U1(a)mid.individual.net>, bptn(a)kinez.net says... >> >> Rodan wrote: >>> This electronic throttle thing is great. If you believe everything that >>> could be invented has already been been invented, do this: Replace >>> something already invented with something else already invented >>> and call it a new invention. >>> >>> This has been successfully done in automobiles by throwing away the >>> familiar throttle cable and replacing it with a whole new system of >>> electromechanical parts;... >> >> Is it not true that the drive-by-wire systems have a cable connecting >> the accelerator pedal to the first electronic part? If so, a chain is >> only as strong as its weakest link - literally in this case. If that's >> the case, they'd be foolish to say that one benefit of the hi-tech >> solution is the elimination of the cable. I can believe some of the >> claims of better control of engines systems for power and emissions and >> possibly enhanced safety if it's done right, but they should leave out >> the part about eliminating the mechanical linkage. > > The real issue is giving sensors, computers, servos, etc, control over > throttle opening, instead of a direct and simple mechanical link to the > human foot. no it's not. there is not a single diesel ever used that gives an operator direct link to fuel injection - it's all done via a control module. should we get rid of control on all diesels? of course not. there is absolutely nothing wrong with the principle of using a control system. oh, and mechanical systems are much more unreliable than electrical. > Cruise control, simple as it is, has had plenty of issues over the > years. And that is asked to handle only one parameter. > Fortunately, you have to turn it on, so most have no problem turning it > off if it goes haywire. Besides, on most cars it is little used. > Emissions and any other excuse for for removing direct throttle control > from the driver's foot is nonsense. > Because then you're saying the driver doesn't control the throttle. > Simple as that. > A throttle position sensor works fines. > Drive by wire in a car is caused either by beancounting or letting the > wrong engineers run the show. > It is an abomination. no it's not. but, that apparently won't stop info-tards bleating about stuff for which they have not the slightest clue on usenet. > Ask Toyota. That's all the proof you need. > Case closed. > Prediction: Toyota and others who have tossed out throttle cables will > be putting them back. before or after we've smashed the looms ned ludd? -- nomina rutrum rutrum
From: clare on 15 Mar 2010 12:13 On Mon, 15 Mar 2010 06:22:41 -0400, Bill Putney <bptn(a)kinez.net> wrote: >Rodan wrote: >> This electronic throttle thing is great. If you believe everything that >> could be invented has already been been invented, do this: Replace >> something already invented with something else already invented >> and call it a new invention. >> >> This has been successfully done in automobiles by throwing away the >> familiar throttle cable and replacing it with a whole new system of >> electromechanical parts;... > >Is it not true that the drive-by-wire systems have a cable connecting >the accelerator pedal to the first electronic part? If so, a chain is >only as strong as its weakest link - literally in this case. If that's >the case, they'd be foolish to say that one benefit of the hi-tech >solution is the elimination of the cable. I can believe some of the >claims of better control of engines systems for power and emissions and >possibly enhanced safety if it's done right, but they should leave out >the part about eliminating the mechanical linkage. None that I've seen have the cable you mention.
From: clare on 15 Mar 2010 12:14 On Mon, 15 Mar 2010 08:08:09 -0500, Bob Cooper <bc(a)nowhere.com> wrote: >In article <806g3mFtd8U1(a)mid.individual.net>, bptn(a)kinez.net says... >> >> Rodan wrote: >> > This electronic throttle thing is great. If you believe everything that >> > could be invented has already been been invented, do this: Replace >> > something already invented with something else already invented >> > and call it a new invention. >> > >> > This has been successfully done in automobiles by throwing away the >> > familiar throttle cable and replacing it with a whole new system of >> > electromechanical parts;... >> >> Is it not true that the drive-by-wire systems have a cable connecting >> the accelerator pedal to the first electronic part? If so, a chain is >> only as strong as its weakest link - literally in this case. If that's >> the case, they'd be foolish to say that one benefit of the hi-tech >> solution is the elimination of the cable. I can believe some of the >> claims of better control of engines systems for power and emissions and >> possibly enhanced safety if it's done right, but they should leave out >> the part about eliminating the mechanical linkage. > >The real issue is giving sensors, computers, servos, etc, control over >throttle opening, instead of a direct and simple mechanical link to the >human foot. >Cruise control, simple as it is, has had plenty of issues over the >years. And that is asked to handle only one parameter. >Fortunately, you have to turn it on, so most have no problem turning it >off if it goes haywire. Besides, on most cars it is little used. >Emissions and any other excuse for for removing direct throttle control >from the driver's foot is nonsense. >Because then you're saying the driver doesn't control the throttle. >Simple as that. >A throttle position sensor works fines. >Drive by wire in a car is caused either by beancounting or letting the >wrong engineers run the show. >It is an abomination. >Ask Toyota. That's all the proof you need. >Case closed. >Prediction: Toyota and others who have tossed out throttle cables will >be putting them back. I very much doubt that.
From: Rodan on 15 Mar 2010 12:22
"jim beam" <me(a)privacy.net> wrote; dude, you're utterly clueless. this is about control systems. diesels have had control systems from day one. have you any idea /why/ they're always used? what would you have us do to them? ______________________________________________________________ Please ask an experienced diesel mechanic that question. Surely he/she will tell you that diesels have no throttle plate to control, therefore no use for a throttle plate cable. As you gain experience as a devil's advocate, please try to keep your demurrals related to the subject at hand, lest your sincere postings be mistaken for trolling. Rodan. |