Robotic Lego Car Report

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Submitted By itsallforfree
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Pages 5
Lego Mindstorm Car Report -

This project requires the conception, planning and design of a Lego Mindstorm vehicle. As the brief was relatively general, we decided to assume we were working with a customer who required a rugged all terrain vehicle. This meant designing a vehicle that could meet specific design criteria’s whilst still being cost efficient and within realistic build parameters.

In order to meet these costumer needs, we produced a set of targets for our design to meet, which in turn would provide strong evidence our design would perform in the real world. These targets were:

* Survive a drop from 1m * Use minimum number of parts (Cost effective) * Achieve relatively light design (Under 700g) * Reach speed of 1ms-1

To best meet these specifications, we designed several prototypes, each with the sole aim to meet one of the user requirements. Once created, they could be analysed and ranked using the User Requirement Specification, as shown below:

User requirement Specification | Weighting | 1. Survive drop of 1m. Not become disconnected from any pieces. | 5 | 2. Reach a speed along flat terrain of 1ms-1. | 2 | 3. Use minimum number of parts, thereby keeping costs at a minimum. | 4 | 4. Design which is light as possible, reduce risk of becoming stuck. | 1 | 5. Achieve an aesthetically pleasing design. | 3 |

The URS can be used to rank each concept, with each requirement having a score of a certain weighting. This will allow for a clear analysis of each model, and will aid in choosing which parts of each design should be taken forward and developed.

It was decided to build 3 models: * Durable/Tough - Survive drop from 1m intact * Light weight – Use as few parts as possible * Aesthetically pleasing design

By building these models, we can observe which aspects are most important in…...

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