Tasks achieved:
J.B - Collated materials for entire construction of buggy. inc. initial chassis design. (Rear wheel drive design proposed for performance!)
T.A - Written and tested/de-bugged proposed code for running of buggy within picaxe.
- Concept based around reed switches (will they work, if not code can be modified to work with LDRs)
C.B - Initial research into electronic components required for circuit and how to link them into proposed coding.
Tasks/Issues presented:
Setup of motors - how are we going to work them? Power Amplifier. They may or may not fit the code and it may need fine tuning once reed-switch output values etc are identified.
Drill lego for motor fitting - J.B
Circuit diagram generation to begin assembly - C.B
In-lecture tasks: Allocated to A. C
-> Wider research
'We are working on a semi-autonomous vehicle, with pre-programmed instructions following path of recognised symbols.'
'Factories/industries make use of semi-automated vehicles moving goods etc, as well as UAVs.
Enter examples of these into blog, including their level of autonomy. (Do they run non stop 24/7 without human intervention;) or does a person have to take over at certain points and revert back to an operator to give it certain instructions? What level would you want, how safe is an entirely autonomous vehicle?' (Paraphrased instructions.)
Tools required for next lecture:
Hand Drill
Small Saw
File
Super-glue!
Future group meetings:
Group Brainstorming session for buggy casing. (Lego building/experimentation session!)
Attendees:
C. Bond
A. Compton
J. Baddeley
T. Anderson
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During the lecture, following testing conducted by T.A it was established that Reed-switches would not suit our purposes.
ReplyDeleteLDR's were subsequently tested, but will also require modification of initial code. Variable resistors (potentiometers) will be used to vary resistive values etc to calibrate voltage ranges for the LDRs.
LDR Theory?
ReplyDeleteThe likely issue with the LDR's on the testing date is the amount of area illumination. The light in the area we test the system may be different to that when we had adjusted the sensitivity using the variable resistors. This could be overcome during pre-testing preparation with minor adjustments to the variable resistors pre-run.
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