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DemoSat V:
Team NameTeam NameCasey Kuhns
Erik TravisJames Wiley
Casey KuhnsErik Travis
James Wiley
July 28, 2006July 28, 2006
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Mission Statement & Goals:Mission Statement & Goals:
- To autonomously deploy a rover upon landing.To autonomously deploy a rover upon landing.
Goals:Goals:
To survive the flightTo survive the flight
To deploy successfullyTo deploy successfully
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Benefits to NASA:Benefits to NASA:
- Possible design for swarm robots for use in Possible design for swarm robots for use in extraterrestrial explorationextraterrestrial exploration
- Possible design for deployment mechanism for smaller Possible design for deployment mechanism for smaller swarm based robotics.swarm based robotics.
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Design:Design:
Current Mass: 1100g Current Mass: 1100g
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Design:Design:Void accelerometer_test(){
while(stable_count < STABLE_STATE){ // READ IN ACCELEROMETER VALUE
y_values[array_index] = analogRead(Y_AXIS); delay(120);
// CALCULATE AVERAGE
for(int a = 0; a < (ARRAY_SIZE - 1); a ++){ y_average = y_values[a] + y_average; }
y_average = y_average / (ARRAY_SIZE);
//CHECK DEVIATION OF Y
if(y_values[array_index] > (y_average + DEVIATION)){ stable_count = stable_count/2; } else if(y_values[array_index] < (y_average - DEVIATION)){ stable_count = stable_count/2; } else{ stable_count++; }
array_index++; if(array_index > ARRAY_SIZE) array_index = 0;
}}
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Expected Results:Expected Results:
- We anticipate to find the box in good physical We anticipate to find the box in good physical condition upon landingcondition upon landing
- We anticipate a successful deployment of a rover.We anticipate a successful deployment of a rover.
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Level of Readiness:Level of Readiness:
Units are in degrees F
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Level of Readiness:Level of Readiness:
8 sample set 6 sample set
Impulse test with two levels of filtering.
Averaging filter to reduce impulse noise
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Level of Readiness:Level of Readiness:
Tests Performed:
Cold Test
Battery Endurance Test
Drop Test
Full System Test
