From d2175e289720457cf9e54fcd1e5a4aa25e06a4a3 Mon Sep 17 00:00:00 2001 From: Wouter Horlings Date: Wed, 1 Jul 2020 16:21:49 +0200 Subject: [PATCH] Add first iteration of selection. Refs #14 --- feature_selection/01-iteration.md | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) create mode 100644 feature_selection/01-iteration.md diff --git a/feature_selection/01-iteration.md b/feature_selection/01-iteration.md new file mode 100644 index 0000000..ade207a --- /dev/null +++ b/feature_selection/01-iteration.md @@ -0,0 +1,18 @@ +## First iteration + +### Features +We have three features, the Scara which is the hardware arm that move the marker locally. +The end-effector is connected to the end of the Scara and has the task to lift the marker from the board and to release it. +And the last feature is the carriage which has the task to move the Scara with the end-effector. +Sub feature of the carriage will be some kind of base structure where the Scara will be mounted on. +In this base we will also store the different tools. + +### Selection table +We constructed the following table to select a feature. +From this we can derive that the end-effector is prefered over the carriage. + +| Feature | Dependency | Test Coverage | Risk | Time | Risk/Time factor | +|--------------|--------------|---------------|--------|--------|------------------| +| Scara | End-effector | 3 | medium | medium | 1 | +| End-effector | - | 2 | high | medium | 2 | +| Carriage | - | 2 | low | medium | 0.5 |