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[DPRG] Controlling 4 Polaroid (SensComp) Sonar units

Subject: [DPRG] Controlling 4 Polaroid (SensComp) Sonar units
From: Duane Brantley d-brantley at sbcglobal.net
Date: Thu Jan 7 11:38:54 CST 2010





________________________________
From: Paul Burrell <peburrell at yahoo.com>
To: Duane Brantley <d-brantley at sbcglobal.net>; Dallas Personal Robotics Group <dprglist at dprg.org>
Sent: Thu, January 7, 2010 11:14:19 AM
Subject: Re: [DPRG] Controlling 4 Polaroid (SensComp) Sonar units


So a couple of addtional questions are needed to answer that.

Good questions!

 
1. Are you going to use all 4 transducers independently? 
D> That is the plan, unless there is a better way to do things.

2. Are you going to use all 4 simultaneously?   There are issues with this.
D> No plan to.

3. Do you want to send a pulse out of 1 and receive on all 4 looking for multipath issues?
D> Hadn't thought about that approach, but something to definitely think about.

4. Do you have a controller / strategy in mind yet?   If you are trying to use a specific controller board, that would be useful to know.
D> Planning to use the SensComp 6500 ranging module with the SensComp Instrument Grade transducer:
       http://www.acroname.com/robotics/parts/R135-SONAR4.html


Paul



Thanks for the reply,
Duane


 



________________________________
 From: Duane Brantley <d-brantley at sbcglobal.net>
To: Dallas Personal Robotics Group <dprglist at dprg.org>
Sent: Thu, January 7, 2010 9:03:59 AM
Subject: [DPRG] Controlling 4 Polaroid (SensComp) Sonar units


Hello everyone,
Is there a way to drive 4 transducers with one controller board?   Does anyone know how dpa is doing it in jBot?

Thanks,
Duane
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