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Updated L0-L2 info.
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[[!img Evolution_of_avionics_block_diagrams.png size="350x657" class="picture"]]
-The Avionics team is currently working on 'AV3' class hardware and firmware for the [[Launch Vehicle No. 2c|ProjectLV2]] airframe. The AV3 hardware is run by an Intel Atom-based PCI-104 flight computer (FC) attached to various sensor and actuator nodes using Ethernet as a low-latency safety critical bus and USB as an easy bulk-data bus. The sensors and actuators include a GPS, IMU, power system, and amateur TV broadcast.
-
-Here are the block diagrams of our avionics system:
-
-- OUTDATED: the [[onboard avionics system|avionics/lv2_avionics_diagram_2006-09-30.pdf]].
-- the [[network and ground systems|avionics/system_diagram_2006-10-16.pdf]].
+The Avionics team is currently working on 'AV3' class hardware and firmware for the [[Launch Vehicle No. 2c|ProjectLV2]] airframe. The AV3 hardware is run by an Intel Atom-based PCI-104 flight computer (FC) attached to various sensor and actuator nodes using Ethernet as a low-latency safety critical bus and USB as an easy, non-time-critical bulk-data bus. The sensors and actuators include a GPS, IMU, power system, and amateur TV broadcast.
Getting involved:
- If you're new to the avionics team, or you want some information on a previous sytem, please see our [[Introduction to PSAS Avionics Page|AvionicsIntro]], and then see our list of project ideas below.
- For more in depth reading about the avionics nodes, see the 2006 Capstone Project Final Report ([[CapstoneLV2bProjectReport]]).
-# Community Hardware
-- ST Boards: STM32-E407 [[OlimexSTM32-E407]]
+<!-- ------------------------------------------------------------------------------------- ->
# Avionics System Documentation
-We now organize our documentation according to avionics generation and launch. So "AV3-L10" means Avionics Generation 3 for Launch 10.
+We now organize our documentation according to avionics generation and launch. So "AV3-L10" means Avionics Generation 3 for Launch 10. "AV3-NEXT" means the next planned launch.
-## AV3-NEXT
+## AV4-NEXT
+This is the planned system for our next flight, "L11", sometime in summer 2014.
+
- [[AV3 battery board|avionics/av3-battery-board]]
- [[RocketNet hub|avionics/Capstone2012]]: Power and Ethernet distribution board
- [[STM32F407-based avionics node with Ethernet|avionics/node6]]
+- Our interim development boards: The Olimex [[STM32-E407|OlimexSTM32-E407]]
+
## AV3-L10
@@ -54,12 +52,21 @@ We now organize our documentation according to avionics generation and launch. S
- [[AV3 STM32 Firmware|avionics/av3_firmware/av3_stm32f407_firmware]]
- [[Networking|avionics/av3-networking]]
+
## AV3-L09
+This avionics never technically flew: the motor exploded on launch. The problems we had with USB
+
- PowerPC flight computer, Hemisphere GPS, LPC2468 based APS, Lipo battery pack.
- [[AV3 Power System|avionics/av3-power]]
- [[AV3 LPC2468 USB-based Generic Front End|av3-generic-front-end]]
+Here are the block diagrams of the planned AV3-L09 avionics system:
+
+- [[onboard avionics system|avionics/lv2_avionics_diagram_2006-09-30.pdf]].
+- [[network and ground systems|avionics/system_diagram_2006-10-16.pdf]].
+
+
## L06 - L08
- LPC2468 flight computer running roll control.
@@ -68,6 +75,8 @@ We now organize our documentation according to avionics generation and launch. S
## AV2-L05
+AV2 was arguably the most sophisticated amateur rocket avionics planet for its time: an x86 flight computer running Linux and using WiFi for telemetry, a GPS, and an IMU. The avionics performed flawlessly, but was destroyed when the recovery system failed to deploy.
+
### Flight system
- MOPS520 586 Flight Computer
@@ -88,20 +97,43 @@ We now organize our documentation according to avionics generation and launch. S
- [[Umbilical cord|Lv2UmbilicalCord]]: Connects LV2 to the electronics box. Provides shore power, includes rocketready relay interlock.
- [[Launch Tower Power System|Lv2LaunchTowerPower]]:Solar array, charge controller, and battery
-## AV1-L2
+## AV1-L2 ([[October 2000|news/2000-10-07/]])
-- PIC17??? "flight computer"
-- TODO
+This system was an upgrade to our AV1 system. We added a GPS receiver, commercially made PCBs, better batteries, and reworked the board. It flew successfully, and was the last of our 8-bit avionics systems as we realized it was time to seriously upgrade our system.
-## AV1-L1
+- 33 MHz PIC17C766 Microcontroller flight computer with 1MB external SRAM
+- Upgraded 6 DOF IMU (12 bit ADC, better gyros)
+- Power amplified 900 MHz 19.2kbps telemetry downlink
+- Rockwell GPS board
+- 2m amateur radio DTMF-activated uplink for manual recovery system control
+- First avionics system with a launch tower umbilical (LTU) cable including Launch Detect and "Rocket Ready" signal
+- Ground station was a Linux-based C telemetry viewer, our first use of open source software.
+- See the [[project page|LV1/Payload/LV1b_Payload/]] for more information
-- PIC16?? microcontroller
-- TODO
+## AV1-L1 ([[April 1999|news/1999-04-11]])
-## AV0-L0
+A new avionics system, based off a slightly more powerful 8-bit microcontroller and a dawning desire to understand rocket dynamics. In 1999, this may have been the first amateur rocket with a 6 DOF solid-state IMU. The PCBs for this system were design on CAD and hand-etched at a volunteer's house. Flew successfully.
-- PIC16?? microcontroller
-- TODO
+- PIC17C42 microcontroller flight computer
+- Full 6 DOF inertial measurement unit with MEMs accelerometers and piezo-electric bar gyros.
+- Color CCD video camera with a 400 MHz ATV transmitter
+- 2400bps digital data downlink on ATV transmitter sound channel
+- 2m amateur radio DTMF-activated uplink for manual recovery system control
+- Pressure and temperature sensors
+- Ground station was a DOS-based laptop
+- See the [[project page|LV1/Payload/LV1a_Payload]] for more information
+
+## AV0-L0 ([[June 1998|news/1998-06-07]])
+
+Our first avionics system, based on a small 8-bit microcontroller soldered on a protoboard. Flew successfully, except for a short in the telemetry data downlink.
+
+- PIC16F84 microcontroller flight computer
+- Single axis accelerometer
+- 400 MHz amateur TV downlink with 300 bps telemetry on the audio channel
+- Ground station was a DOS-based laptop
+- See the [[project page|LV0]] for more information
+
+<!-- ------------------------------------------------------------------------------------- ->
# Sponsored projects