aep mechanical and power system h. heetderks. cdr july, 2001ncku ucb tohoku aep mechanical and power...
TRANSCRIPT
![Page 1: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/1.jpg)
AEP Mechanical and Power System
H. Heetderks
![Page 2: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/2.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
2
AEP Mechanical Design
• System Consists of Six Circuit Boards, each Surrounded by an Aluminum Frame– Low Voltage Power Converter is on top to conduct heat to thermal radiator
– Power Controller, Data Processing Unit, Instrument Data Controller, Mass Memory, and Data Compression Module follow in order
– Base Plate mounts unit to spacecraft deck
• Electrical Connections made with Stacking Connector on each Board– Avoids need for Mother Board
• Thermal Radiator attaches to feet on top of assembly
• Walls of Frames are .200 inches thick to provide radiation shielding and a heat path to the thermal radiator
• The Stack is held together with 10 Skewer Rods
![Page 3: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/3.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
3
AEP Mechanical Assembly
![Page 4: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/4.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
4
Exploded View of AEP Assembly
Bottom Plate
DCM
Mass Memory
Instr Data Controller
DPU
Power Controller
LVPS
![Page 5: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/5.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
5
AEP Mechanical Fabrication Status
• Mechanical Part Drawings are Complete and in Configuration Control
• Assembly Drawings are nearly complete
• All Machined Parts for both ETU and Flight Unit including Frames and Top and Bottom Plates are complete
• Parts have been fit tested and put in Flight Stores
![Page 6: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/6.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
6
Power System Requirements
• System provides 21 switched and current limited services, each with a voltage and current monitor
• Power on reset circuit detects brown out on primary side
• Filtering and shielding at outputs to reduce converter noise seen by instrument
• Filtering on inputs to protect system against CS-06 EMC test
• Fully redundant DC-DC converters
• Includes Analog Multiplexor and ADC to digitize 128 channels including power system voltages and currents
![Page 7: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/7.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
7
Power System Requirements, Switched Outputs
Current Fold FET Load TotalLimit Back Max Max By Conv
Service Function Voltage Value Ratio Power Power Conv MaxNumber (mA) (Watts) (Watts) (mA) (mA)
1 MM + 5 2000 0.2 3.00 10.002 DCM + 5 2000 0.2 3.00 10.003 AP + 5 200 1.0 0.50 1.004 TEC + 5 1500 0.2 2.25 7.505 FEC + 5 500 0.6 1.00 2.506 SP + 5 1000 0.4 1.75 5.007 Spare + 5 1500 0.2 2.25 7.50 8700 60008 SI Body Htr + 12 600 0.2 2.16 7.209 Day Sens + 12 100 1.0 0.60 1.2010 SI HVPS + 12 300 0.5 1.35 3.6011 SP HVPS1 + 12 300 0.5 1.35 3.6012 SP HVPS2 12 300 0.5 1.35 3.6013 FEC + 12 200 1.0 1.20 2.4014 SP + 12 100 1.0 0.60 1.2015 SI Lens Htr 12 600 0.4 2.52 7.2016 Stepper + 12 800 0.2 2.88 9.60 3300 250017 FEC - 12 200 1.0 1.20 2.4018 SP - 12 100 1.0 0.60 1.2019 SP Flt Htr - 12 600 0.2 2.16 7.2020 Stepper - 12 800 0.2 2.88 9.6021 SI Flt Htr - 12 600 0.2 2.16 7.20 2300 2500
![Page 8: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/8.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
8
Analog Multiplexer and ADC Inputs (1)
Input InputNumber Function Number Function
0 Mass Mem +5 Current 32 SP 1 HV Current1 Mass Mem +5 Voltage 33 SP 1 HV Voltage2 DSP +5 Current 34 SP 2 HV Current3 DSP +5 Voltage 35 SP 2 HV Voltage4 Array Photometer +5 Current 36 SP 3 HV Current5 Array Photometer +5 Voltage 37 SP 3 HV Voltage6 Imager TEC +5 Current 38 SP 4 HV Current7 Imager TEC +5 Voltage 39 SP 4 HV Voltage8 Camera Interface +5 Current 40 SP 5 HV Current9 Camera Interface +5 Voltage 41 SP 5 HV Voltage10 Spectrophotometer +5 Current 42 SP 6 HV Current11 Spectrophotometer +5 Voltage 43 SP 6 HV Voltage12 SP Body Heater +5V Current 44 Imager MCP HV Current13 SP Body Heater +5V Voltage 45 Imager MCP HV Voltage14 Imager Body Heater +12 Current 46 Spare 015 Imager Body Heater +12 Voltage 47 Spare 116 Day Sensor +12 Current 48 FEC Temperature 17 Day Sensor +12 Voltage 49 CCD Temperature 18 Imager HVPS's +12 Current 50 TEC Heat Sink Temperature 19 Imager HVPS's +12 Voltage 51 Imager Lens Temperature 20 Spectrophotometer HVPS 1 +12 Current 52 Day Sensor Temperature 21 Spectrophotometer HVPS 1+12 Voltage 53 Imager Filter Wheel Temperature 22 Spectrophotometer HVPS 2+12 Current 54 Stepper Motor Temperature 23 Spectrophotometer HVPS 2+12 Voltage 55 Imager Intensifier HVPS Temperature 24 Camera Interface +12 Current 56 Imager Phosphor HVPS Temperature 25 Camera Interface +12 Voltage 57 Spectrophotometer Analog Board Temp26 Spectrophotometer +12 Current 58 Spectrophotometer HVPS 1 Temperature 27 Spectrophotometer +12 Voltage 59 Spectrophotometer HVPS 2 Temperature 28 Imager Lens Heater +12 Current 60 Spectrophotometer Filter 1 Temperature 29 Imager Lens Heater +12 Voltage 61 Spectrophotometer Filter 2 Temperature 30 Imager Stepper Motor +12 Current 62 Spectrophotometer Filter 3 Temperature 31 Imager Stepper Motor +12 Voltage 63 Spectrophotometer Filter 4 Temperature
![Page 9: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/9.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
9
Analog Multiplexer and ADC Inputs (2)
Input InputNumber Function Number Function
64 Spectrophotometer Filter 5 Temperature 96 FEC065 Spectrophotometer Filter 6 Temperature 97 FEC166 Spectrophotometer Body Temperature Right 98 FEC267 Spectrophotometer Body Temperature Left 99 FEC368 Spare 2 100 FEC469 Spare 3 101 FEC570 Power Controller Board Temperature 1 102 FEC671 Power Controller Board Temperature 2 103 FEC772 DPU Board Temperature 104 FEC873 Mass Memory Board Temperature 105 FEC974 DCM Board Temperature 106 FEC1075 Sensor Int'f Board Temperature 107 FEC1176 LVPS Temperature 1 108 FEC1277 LVPS Temperature 2 109 FEC1378 PWR_MON_PR 110 FEC1479 PWR_MON_BU 111 FEC1580 Camera Interface -12 Current 112 AP0 Array Photometer +12Current81 Camera Interface -12 Voltage 113 AP1 Array Photometer +12 Voltage 82 Spectrophotometer -12 Current 114 AP283 Spectrophotometer -12 Voltage 115 AP384 Spectrophotometer Filter Heaters -12 Current 116 AP485 Spectrophotometer Filter Heaters -12 Voltage 117 AP586 Imager Stepper Motor -12 Current 118 AP687 Imager Stepper Motor -12 Voltage 119 AP788 DPU +5 Current 120 AP889 DPU +5 Voltage 121 AP990 DPU +12 Current 122 AP1091 DPU +12 Voltage 123 AP1192 DPU -12 Current 124 AP12 Array Photometer -12 Current93 DPU -12 Voltage 125 AP13 Array Photometer -12 Voltage 94 Imager Filter Heater -12 Current 126 AP1495 Imager Filter Heater -12 Voltage 127 AP15
![Page 10: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/10.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
10
Power System Block Diagram
![Page 11: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/11.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
11
Schematic of Low Voltage Converter Board
![Page 12: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/12.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
12
Schematic of Power Controller Board
![Page 13: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/13.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
13
Schematic of Limiter, Monitor, Switch Circuit
![Page 14: AEP Mechanical and Power System H. Heetderks. CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks 2 AEP Mechanical Design System](https://reader035.vdocuments.mx/reader035/viewer/2022070416/5697c02b1a28abf838cd8aee/html5/thumbnails/14.jpg)
CDR July, 2001NCKU UCB Tohoku AEP Mechanical and Power System H. Heetderks
14
Power System Development Status
• ETU Power System Fabrication and Debug is nearly complete
• Flight Unit Mechanical Parts Complete and in Stores
• All EEE Parts in House for Flight Unit Fabrication
• Flight Printed Circuit Boards will be Etched following ETU System Test