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Mini-Dusty Payload AGF-218 UNIS, Longyearbyen Sveinung V. Olsen.

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Presentation on theme: "Mini-Dusty Payload AGF-218 UNIS, Longyearbyen Sveinung V. Olsen."— Presentation transcript:

1 Mini-Dusty Payload AGF-218 UNIS, Longyearbyen Sveinung V. Olsen

2 Content Payload layout Payload layout Electronics Electronics Telemetry Telemetry Experiments Experiments Launch Launch

3 Payload external Diameter: 54 mm Diameter: 54 mm Length: 1465 mm. Length: 1465 mm. Weight: 9,3 kg Weight: 9,3 kg Ejectable doors and nosecone Ejectable doors and nosecone Thermal coating, nosecone Thermal coating, nosecone Motors: Motors: Viper IIIA, USA Viper IIIA, USA Excalibur 2, Canada Excalibur 2, Canada RH 200-SV, India RH 200-SV, India

4 Payload Internal Heat insulation Heat insulation Nosecone probes Nosecone probes Experiment section Experiment section Battery section Battery section Electronics section Electronics section Transmitter section Transmitter section

5 Payload overview

6 Power system Li- Ion battery Li- Ion battery 2 cells, nominal 3.6 V each 2 cells, nominal 3.6 V each 8.4 V fully charged 8.4 V fully charged Charging circuit Charging circuit Constant current (1.1 A) > Constant voltage (8.4 V) Constant current (1.1 A) > Constant voltage (8.4 V) Power regulators Power regulators +5V, +3.3V +5V, +3.3V Power switching Power switching Pyro power, experiment Pyro power, experiment

7 Housekeeping sensors Aspect sensors Aspect sensors 3 axis magnetometer 3 axis magnetometer 2 axis accelerometer +/- 50 g 2 axis accelerometer +/- 50 g Temperature sensors Temperature sensors 1 onboard temperature sensor deg C 1 onboard temperature sensor deg C 3 external temperature inputs 3 external temperature inputs Power sensors Power sensors 4 voltage monitoring circuits 0-10 V 4 voltage monitoring circuits 0-10 V 4 current monitoring circuits 0- 4 A 4 current monitoring circuits 0- 4 A 6 analog inputs, 12 bit V 6 analog inputs, 12 bit V 4 digital inputs 4 digital inputs 12 bit resolution 12 bit resolution V input range V input range

8 Pyro circuits Pyrolelectric devices Pyrolelectric devices Payload separation Payload separation Doors separation Doors separation Nosecone separation Nosecone separation 8 individual circuits 8 individual circuits Controlled by PCM-encoder Controlled by PCM-encoder Synchronized to Lift-off Synchronized to Lift-off

9 PCM Encoder Pulse Coded Modulation Pulse Coded Modulation 625 kbit/s bit rate 625 kbit/s bit rate 8 timer signals 8 timer signals Connects up to 8 slave board Connects up to 8 slave board CPLD programmable logic CPLD programmable logic uC assembler code uC assembler code ISP - In System Programming ISP - In System Programming Bi Phase-L output Bi Phase-L output

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11 Telemetry transmitter Frequency: 2,2279 GHz Frequency: 2,2279 GHz Bit rate: 625 kbit/s Bit rate: 625 kbit/s Power: 1 W Power: 1 W 4 antennas in tailfins 4 antennas in tailfins Stable oscillator 0.2 ppm Stable oscillator 0.2 ppm Slant range Slant range Receiver stations: Receiver stations: Andenes Andenes Tromsø Tromsø Svalbard Svalbard mobile units mobile units

12 Telemetry format Word length: 8 bit (16bit) Word length: 8 bit (16bit) Frame length: 32 words (16 words) Frame length: 32 words (16 words) Format length: 32 frames Format length: 32 frames At 625 kbit/s At 625 kbit/s Frame rate: 2,44 kHz Frame rate: 2,44 kHz Format rate: 76 Hz Format rate: 76 Hz

13 Experiments inputs Electrometers Electrometers Several versions available Several versions available 1-8 channels /slave board 1-8 channels /slave board Instrumentation amplifier Instrumentation amplifier Adjustable gain Adjustable gain Digital interface, sounding rockets Digital interface, sounding rockets CLK, MAJF, MINF, GATE,DATA CLK, MAJF, MINF, GATE,DATA

14 Launch events Countdown from T- 3 h Countdown from T- 3 h Possible holds Possible holds Final science go: T-3 m Final science go: T-3 m Final payload go: T-30 s Final payload go: T-30 s Liftoff Liftoff Booster burnout Booster burnout Doors separation: T+44s Doors separation: T+44s Nosecone sep: T+62s Nosecone sep: T+62s Splash: T+300s Splash: T+300s

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