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Integrated System Build & Test

Table of Contents 1 Team Vision for Integrated System Build & Test Phase 2 Power Consumption 3 Test Results 3.1 Test Setup 3.2 Results 4 Pit Sketch 5 Engineering Requirements 6 Labor Calculations 7 Risk and Problem Tracking 8 Plans for Next Phase 8.1 Individual Plans 8.2 Team Vision 9 Final Vision

Team Vision for Integrated System Build & Test Phase

Test the motion and pressure sensors together inside the simulated pit based on S25 and S26 test plan.

Have a mock up for the pressure and motion sensor data to allow creation of the macro in phase 3.

Once testing on the mock pit has started, make any final adjustment for ease of testing.

Demonstrate placement pressure sensor inside Arborloo.

Work on waterproofing and reducing the size of the box.

Calculate and test the power consumption of the removed chip in mAh.

Calculate the power consumption for each individual sensor.

Determine the battery configuration necessary to run the system for 45 days.

Find and implement power saving code to reduce power even more.

Complete testing of the pressure and motion sensors based on all of the use cases in the simulated pit.

Determine the rate of false positives for each use case.

Have battery system fully functional and able to last 45 days based on hand calculations and testing.

Test temperature and soil moisture sensors to ensure they are fully functional.

Finish Excel Macro to display data easily.

Finish machining and mounting box based on phase 5 testing.

Purchase and implement waterproofing techniques to ensure the box is waterproof.

Finish testing of preferred pH sensor and determine a technique for the most accurate readings.

Purchase cups and rods for the pH sensor.

Fabricate/solder board if necessary.

Finalize budget for producing 100 systems, so Sarah can submit her grant.

Power Consumption

Our System Stayed Above 3.3V for 12.5 days.

Test Results

Test Setup

Results

The complete Excel file with all test result data can be found at the following link: Test Results

Pit Sketch

Engineering Requirements

CR	ER#	Importance	Description	Metric	Direction/Range	Target	Marginal	Comments	Test Plans	Concluded Condition
1.1, 2.5	S1	9	Percent of new users who detect system	%	Decrease	0	<5	None	S1 Test Plan	Not Complete
1.2	S2	9	Percent of grid electricity required (any point in system)	%	Decrease	0	<5	No grid electricity available	S2 and S3 Test Plan	Fulfilled
2.1, 3.1	S3	3	Time system can be used without interruption	days	Increase	>90	>45	None	S2 and S3 Test Plan	Not Complete
2.1	S4	3	Number of data points can be collected by counter	number	Increase	9999	999	None	S4 Test Plan	Fulfilled
2.2	S5	9	Detects temperature with reasonable accuracy	C	Range	+/- 1	+/- 3	None	S5 and S6 Test Plan	Not Complete
2.2	S6	3	Maximum temperature that can be monitored	C	Increase	>80	>70	None	S5 and S6 Test Plan	Not Complete
2.3	S7	9	Accuracy of pH reading	pH	Increase	+/-0.1	+/-0.5	None	S7 and S8 Test Plan	In Progress
2.4	S8	9	Range of pH reading	pH	Range	2-10	4-8	None	S7 and S8 Test Plan	Fufilled
2.4	S9	9	Accuracy of moisture reading	%	Range	+/-0.01	+/-0.1	None	S9 and S10 Test Plan	Not Complete
2.4	S10	9	Range of moisture reading is 0-100% (relative)	binary	_	yes	yes	None	S9 and S10 Test Plan	Not Complete
2.5	S11	0	Accuracy of oxygen reading	%	Range	+/-0.01	+/-0.1	Unfeasible	n/a	Unfulfilled
2.5	S12	0	Range of oxygen reading	binary	_	yes	yes	Unfeasible	n/a	Unfulfilled
2.2, 2.3, 2.4, 2.5	S13	3	Frequency of pit readings	number/day	Increase	24	6	None	S13 Test Plan	Fulfilled
3.2	S14	3	Number of times the system can be reused	number	Increase	>100	>15	None	S14 Test Plan	Not Complete
3.3, 3.7	S15	1	Time it takes to set-up the system	minutes	Decrease	<30	<60	None	S15 Test Plan	Not Complete
3.4	S16	1	Time it takes to tear down the system	minutes	Decrease	<10	<20	None	S16 Test Plan	Not Complete
3.5	S17	3	Time it takes to record data	minutes	Decrease	<10	<30	None	S17 Test Plan	Fufilled
3.5	S18	9	Cost of equipment to record data	USD	Decrease	<20	<50	Not including laptop or phone	n/a	Not Complete
4.1, 4.3	S19	3	Cost of power system over 1 year	USD	Decrease	<15	<100	Based off price of a pack of AA batteries	n/a	Not Complete
4.2	S20	9	Cost of total system	USD	Decrease	<400	<1000	None	n/a	Not Complete
4.3	S21	3	Cost of consumable parts	USD	Decrease	<15	<30	None	n/a	Not Complete
5.1	S22	9	Percent of parts exposed that are not weather resistant	%	Decrease	0	<10	Internal components do not need to be weather resistant	S22 Test Plan	Not Complete
5.2, 5.3	S23	3	Shortest lived part	years	Increase	>3	>1	Fatigue calculation if mechanical part is used. Can be batteries	S3 Test Plan	Not Complete
5.3	S24	9	Percent of parts that are corrosion resistant exposed to pit	%	Increase	100	>90	None	S4 Test Plan	Not Complete
2.1	S25	9	Percentage of uses the system registers and counts	%	Increase	100	>90	None	S25 and S26 Test Plan	Not Complete
2.1	S26	9	Percentage of false positives the system counts	%	Decrease	0	<10	None	S25 and S26 Test Plan	Not Complete

• Green = Engineering Requirement fulfilled by testing.
• Yellow = Engineering Requirement is projected to be fulfilled, but testing is not complete.
• Red = Engineering Requirement will not be satisfied.

Note: Requirement S20 is red due to misunderstanding about its meaning. The requirement will be modified after a discussion with the customer so that it can be fulfilled.

Labor Calculations

Risk and Problem Tracking

Plans for Next Phase

Individual Plans

Eren's Three Week Plan - Eren's Goals

Kendall's Three Week Plan - Kendall's Goals

Kiera's Three Week Plan - Kiera's Goals

Saul's Three Week Plan - Saul's Goals

Quinn's Three Week Plan - Quinn's Goals

Team Vision

• Finish assembling and testing entire system.
• Make sure the rate of false positives for each use case has been accepted by Ed and Sarah.
• Create user manual for field technician.
• Create build manual for Sarah.
• Finalize budget if anything has changed since week 8.

Final Vision

• Complete enough testing to ensure data fidelity of the counter, temperature sensor, and soil moisture sensor.
• Minimize the rate of false positives as much as possible with testing in phase 2 through phase 4.
• Review the rate of false positives with Ed and Sarah to ensure an acceptable rate.
• Write recommendations for future MSD teams to improve upon our design.
• Finish user and build manuals.
• Hand functioning prototype off to Sarah.

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