Worcester/Boston Social Thread
#5011
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I would think there are "bigger fish to fry" than to set up these "liquor establishments."so gay.
Teh best drinking I ever did was underage
#5012
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usually i go with medium and get a nice pink center.
#5013
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00:24 UNDESIRABLE: 38 BURDETTE AV (REMOVED) 951: VIZAKIS
#5016
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there is a whole foods, staples, and liquor depot in the same shopping plaza. it's the westbound side or rte 9, just west of rte 126. i can vouch for the food being good at this one. i've never tried the one in westboro.
#5018
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they are but they are usually prompt and courteous. there are some nice underage hostesses that work during the week.
#5020
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#5021
mikie. i found some code for a digital PID. This guy makes it seem like childs play.
linky
edit: i've always had a hunch that because the LC-1 is so fast, is why it's so susceptible to noise, and bad grounding.
After reading the article, now i know exactly why. A think a high gain on the integral term of the PID reduces latency by a lot, but also amplifies all noise.
I feel the PLX SM-AFR, may be a much better design, because even though they also use completely digital PID, they also use a good amount of decoupling capacitors, and stress how important it is to filter out electrical noise. they have good size filter Caps on power and all I/O. Both innovate and PLX stress that the module needs to be physically close to the Sensor, but only PLX suggests adding more decoupling caps.
if PLX had a more openly documented digital output, I would just buy one of theirs. The lack of logging support is a deal breaker.
linky
edit: i've always had a hunch that because the LC-1 is so fast, is why it's so susceptible to noise, and bad grounding.
After reading the article, now i know exactly why. A think a high gain on the integral term of the PID reduces latency by a lot, but also amplifies all noise.
I feel the PLX SM-AFR, may be a much better design, because even though they also use completely digital PID, they also use a good amount of decoupling capacitors, and stress how important it is to filter out electrical noise. they have good size filter Caps on power and all I/O. Both innovate and PLX stress that the module needs to be physically close to the Sensor, but only PLX suggests adding more decoupling caps.
if PLX had a more openly documented digital output, I would just buy one of theirs. The lack of logging support is a deal breaker.
Last edited by EvoBroMA; Jan 15, 2008 at 10:15 AM.
#5023
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doesn't a high integral gain also make it susceptible to integral windup and subsequent overshooting as well?
the plx are very nice devices. i've used them and if they weren't so much more money than the AEM, i would consider. the additional features are things that i probably wouldn't use that much.
so when do you want to start working on this?
the plx are very nice devices. i've used them and if they weren't so much more money than the AEM, i would consider. the additional features are things that i probably wouldn't use that much.
so when do you want to start working on this?
mikie. i found some code for a digital PID. This guy makes it seem like childs play.
linky
edit: i've always had a hunch that because the LC-1 is so fast, is why it's so susceptible to noise, and bad grounding.
After reading the article, now i know exactly why. A think a high gain on the integral term of the PID reduces latency by a lot, but also amplifies all noise.
I feel the PLX SM-AFR, may be a much better design, because even though they also use completely digital PID, they also use a good amount of decoupling capacitors, and stress how important it is to filter out electrical noise. they have good size filter Caps on power and all I/O. Both innovate and PLX stress that the module needs to be physically close to the Sensor, but only PLX suggests adding more decoupling caps.
if PLX had a more openly documented digital output, I would just buy one of theirs. The lack of logging support is a deal breaker.
linky
edit: i've always had a hunch that because the LC-1 is so fast, is why it's so susceptible to noise, and bad grounding.
After reading the article, now i know exactly why. A think a high gain on the integral term of the PID reduces latency by a lot, but also amplifies all noise.
I feel the PLX SM-AFR, may be a much better design, because even though they also use completely digital PID, they also use a good amount of decoupling capacitors, and stress how important it is to filter out electrical noise. they have good size filter Caps on power and all I/O. Both innovate and PLX stress that the module needs to be physically close to the Sensor, but only PLX suggests adding more decoupling caps.
if PLX had a more openly documented digital output, I would just buy one of theirs. The lack of logging support is a deal breaker.
#5025
looks like Embedded.com is my new favorite website.
Tutorial: Improving the transient immunity of your microcontroller-based embedded design - Part 1 "The transient immunity issues in automotive electronics applications are also similar to consumer electronics applications except for being powered by DC mains. This is because automobiles contain numerous switching inductive loads (alternator, compressor, solenoids, etc) that put transients on the DC mains. In addition, automotive applications are becoming increasing concerned with ESD."