Path: ...!eternal-september.org!feeder3.eternal-september.org!news.eternal-september.org!eternal-september.org!.POSTED!not-for-mail
From: zen cycle <funkmasterxx@hotmail.com>
Newsgroups: rec.bicycles.tech
Subject: Re: Suspension losses
Date: Sun, 5 Jan 2025 05:49:53 -0500
Organization: A noiseless patient Spider
Lines: 36
Message-ID: <vldo4h$f0r9$5@dont-email.me>
References: <vl3spg$2s1te$1@dont-email.me> <ltncirFoe27U1@mid.individual.net>
 <vl64mj$3bq6b$2@dont-email.me> <vl6c56$3dbnt$1@dont-email.me>
 <vl6dhg$3d8lq$1@dont-email.me> <vl6hn5$3edb4$1@dont-email.me>
 <jaehnj5vhmdv672avehfcrfaurqm6rl80c@4ax.com> <vlbt3g$ic6h$2@dont-email.me>
 <vlbv17$itaf$1@dont-email.me> <no2jnj5emkf6ri82qa9pvbtc9j0gms7i8n@4ax.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Injection-Date: Sun, 05 Jan 2025 11:49:54 +0100 (CET)
Injection-Info: dont-email.me; posting-host="3011698a1748efeb0b795101bdfa5ac5";
	logging-data="492393"; mail-complaints-to="abuse@eternal-september.org";	posting-account="U2FsdGVkX194yppxExb+Dq9GhMfbNnzg/HD3JFw7/rk="
User-Agent: Mozilla Thunderbird
Cancel-Lock: sha1:P2uOq4ghmJbhI63uEPveuBiFig0=
In-Reply-To: <no2jnj5emkf6ri82qa9pvbtc9j0gms7i8n@4ax.com>
Content-Language: en-US
Bytes: 2894

On 1/4/2025 2:36 PM, Jeff Liebermann wrote:
> On Sat, 4 Jan 2025 12:35:20 -0600, AMuzi <am@yellowjersey.org> wrote:
> 
>> Analog computer?
>> Like the fluid logic plate in an automatic transmission?
>>
>> https://www.carid.com/acdelco/gm-original-equipment-automatic-transmission-valve-body.html--
> 
> Nope.  The automobile automatic transmission is actually a digital
> fluidic switch.  When all the inputs and outputs are either on, off,
> in, out, left, right, up down etc, it's digital. 

Except for CVTs



> There are fluidic
> analog computers.  The key difference is how numbers are stored.  In a
> digital computer, numbers are stored as discrete numbers.  In an
> analog computer, numbers are stored as a range of values that require
> interpolation to produce an output.  When I asked Google the same
> question, I received a rather wide range of answers:
> <https://www.google.com/search?q=difference+between+analog+and+digital+computer>
> That was a common point of contention as computers were being
> developed (roughly 1960 thru 1990).  I don't think anyone successfully
> produced an answer that covered all types of computing devices.
> Instead of an official answer, everyone just gave up by about 1990.
> 
> User manual on an early analog computer including a few useful
> examples.  Try to visualize what those problems might look like on a
> slide rule or today's personal computers:
> <https://www.analogmuseum.org/english/collection/eai/tr10/>
> <https://www.analogmuseum.org/library/eai_tr-10.pdf>
> 
>