From df5862d950eb9c63f50363220bf38bfc24d530c9 Mon Sep 17 00:00:00 2001 From: Marius Peter Date: Sat, 26 Mar 2022 19:02:15 +0100 Subject: Wiki articles. --- .../communication-protocols/ARINC-429.org | 18 ++ .../aerospace/communication-protocols/CAN-bus.html | 335 +++++++++++++++++++++ wiki/aerospace/communication-protocols/CAN-bus.org | 18 ++ wiki/aerospace/index.org | 10 + wiki/aerospace/index.org.bkp | 23 ++ wiki/aerospace/standard/ARP4754.org | 36 +++ wiki/aerospace/standard/DO-160.org | 108 +++++++ wiki/aerospace/standards/ARP4754.org | 22 -- wiki/aerospace/standards/DO-160.org | 23 -- wiki/aerospace/v-model.org | 42 +++ 10 files changed, 590 insertions(+), 45 deletions(-) create mode 100644 wiki/aerospace/communication-protocols/ARINC-429.org create mode 100644 wiki/aerospace/communication-protocols/CAN-bus.html create mode 100644 wiki/aerospace/communication-protocols/CAN-bus.org create mode 100644 wiki/aerospace/index.org create mode 100644 wiki/aerospace/index.org.bkp create mode 100644 wiki/aerospace/standard/ARP4754.org create mode 100644 wiki/aerospace/standard/DO-160.org delete mode 100644 wiki/aerospace/standards/ARP4754.org delete mode 100644 wiki/aerospace/standards/DO-160.org create mode 100644 wiki/aerospace/v-model.org (limited to 'wiki/aerospace') diff --git a/wiki/aerospace/communication-protocols/ARINC-429.org b/wiki/aerospace/communication-protocols/ARINC-429.org new file mode 100644 index 0000000..220e27d --- /dev/null +++ b/wiki/aerospace/communication-protocols/ARINC-429.org @@ -0,0 +1,18 @@ +# -*- mode: org; -*- + +#+TITLE: ARINC 429 +#+SUBTITLE: Mark33 Digital Information Transfer System (DITS) +#+AUTHOR: Marius Peter +#+DATE: <2022-03-25 Fri> +#+OPTIONS: toc:nil + +#+DESCRIPTION: The ARINC 429 avionics data bus. + +#+TOC: headlines 2 + + +#+begin_abstract +The =ARINC 429= technical standard defines the physical and electrical +interfaces of a two-wire data bus and a data protocol to support an +aircraft's avionics local area network. +#+end_abstract diff --git a/wiki/aerospace/communication-protocols/CAN-bus.html b/wiki/aerospace/communication-protocols/CAN-bus.html new file mode 100644 index 0000000..d12b862 --- /dev/null +++ b/wiki/aerospace/communication-protocols/CAN-bus.html @@ -0,0 +1,335 @@ + + + + + + + +CAN bus + + + + + + + +
+

CAN bus +
+A robust vehicle bus to enable hostless microcontroller communication. +

+
+

Table of Contents

+
+ +
+
+ + +
+

+ARP4754 is a guidance issued by SAE. +

+ +
+ + + + + +
+

2 Main topics

+
+ + + +++ ++ ++ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +
§ThemeDescription
1Development 
2Safety 
3Requirements mgmt. 
4Validation 
5Verification 
6Configuration mgmt. 
7Process assurance 
8Certification 
+
+
+
+
+

Date: 2022-03-25 Fri 00:00

+

Author: Marius Peter

+

Created: 2022-03-25 Fri 17:49

+

Validate

+
+ + diff --git a/wiki/aerospace/communication-protocols/CAN-bus.org b/wiki/aerospace/communication-protocols/CAN-bus.org new file mode 100644 index 0000000..2abbd23 --- /dev/null +++ b/wiki/aerospace/communication-protocols/CAN-bus.org @@ -0,0 +1,18 @@ +# -*- mode: org; -*- + +#+TITLE: CAN bus +#+SUBTITLE: A robust vehicle bus to enable hostless microcontroller communication. +#+AUTHOR: Marius Peter +#+DATE: <2022-03-25 Fri> +#+OPTIONS: toc:nil + +#+DESCRIPTION: CAN bus: a robust vehicle bus to enable hostless microcontroller communication. + +#+TOC: headlines 2 + + +#+begin_abstract +The CAN bus design solves several engineering challenges, namely how +to minimize copper usage in vehicle microcontroller communication +lines. +#+end_abstract diff --git a/wiki/aerospace/index.org b/wiki/aerospace/index.org new file mode 100644 index 0000000..77a2482 --- /dev/null +++ b/wiki/aerospace/index.org @@ -0,0 +1,10 @@ +#+TITLE: Sitemap for project wiki---aerospace + +- [[file:designing-aircraft.org][Designing aircraft]] +- [[file:v-model.org][V-model]] +- communication-protocols + - [[file:communication-protocols/ARINC-429.org][ARINC 429]] + - [[file:communication-protocols/CAN-bus.org][CAN bus]] +- standard + - [[file:standard/ARP4754.org][ARP4754]] + - [[file:standard/DO-160.org][DO-160]] \ No newline at end of file diff --git a/wiki/aerospace/index.org.bkp b/wiki/aerospace/index.org.bkp new file mode 100644 index 0000000..e4c161e --- /dev/null +++ b/wiki/aerospace/index.org.bkp @@ -0,0 +1,23 @@ +# -*- mode: org; -*- + +#+TITLE: Aerospace +#+SUBTITLE: Various topics around aerospace engineering. +#+AUTHOR: Marius Peter +#+DATE: <2022-03-12 Sat> +#+OPTIONS: toc:nil + +#+DESCRIPTION: Various topics around aerospace engineering. +#+HTML_LINK_UP: ../index.html +#+HTML_LINK_HOME: https://mlnp.fr + + +#+begin_abstract +Aerospace is amongst my main centers of interest, I am very fortunate +to be able to work in this domain. +#+end_abstract + + +* Main pages + +- [[file:designing-aircraft.org][Designing Aircraft]] +- [[file:v-model.org][The V-model]] diff --git a/wiki/aerospace/standard/ARP4754.org b/wiki/aerospace/standard/ARP4754.org new file mode 100644 index 0000000..fa7a5e1 --- /dev/null +++ b/wiki/aerospace/standard/ARP4754.org @@ -0,0 +1,36 @@ +# -*- mode: org; -*- + +#+TITLE: ARP4754 +#+SUBTITLE: Guidelines For Development Of Civil Aircraft and Systems. +#+AUTHOR: Marius Peter +#+DATE: <2022-02-11 Fri> +#+EMAIL: mlnp@tuta.io +#+OPTIONS: toc:nil + +#+KEYWORDS: aerospace, SAE, ARP 4754 + +#+TOC: headlines 2 + + +#+begin_abstract +ARP4754 is a guidance issued by SAE. +#+end_abstract + + +* Introduction + + https://www.sae.org/standards/content/arp4754a/ + + +* Main topics + +| § | Theme | Description | +|---+---------------------+-------------| +| 1 | Development | | +| 2 | Safety | | +| 3 | Requirements mgmt. | | +| 4 | Validation | | +| 5 | Verification | | +| 6 | Configuration mgmt. | | +| 7 | Process assurance | | +| 8 | Certification | | diff --git a/wiki/aerospace/standard/DO-160.org b/wiki/aerospace/standard/DO-160.org new file mode 100644 index 0000000..ea6f19b --- /dev/null +++ b/wiki/aerospace/standard/DO-160.org @@ -0,0 +1,108 @@ +# -*- mode: org; -*- + +#+TITLE: DO-160 +#+SUBTITLE: Environmental Conditions and Test Procedures for Airborne Equipment. +#+AUTHOR: Marius Peter +#+DATE: <2022-02-11 Fri> +#+EMAIL: mlnp@tuta.io +#+OPTIONS: toc:nil + +#+DESCRIPTION: Environmental Conditions and Test Procedures for Airborne Equipment. +#+KEYWORDS: aerospace, rtca, DO-160 + + +#+TOC: headlines 2 + + +#+begin_abstract +The DO-160 document is a standard for environmental testing for +airborne equipment published by the RTCA. +#+end_abstract + + +* Introduction + + https://do160.org/rtca-do-160g/ + + +* Equipment categories + +Equipments are categorized as a function of the environments to which +they are subjected during normal operation. + + +* Sections + +Sections 7 and 8 are aircraft dependent. + + +** List +:PROPERTIES: +:HTML_CONTAINER_CLASS: big-table +:END: + +#+NAME: sections +#+CAPTION: List of DO-160 section. +| § | Name | Concerns the effects of... | Parameters of interest | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 1 | /Introductory sections/ | /N/A/ | /N/A/ | +| 2 | | | | +| 3 | | | | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 4 | Temperature | Temperature on the system. | Temperature, condensation. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 4 | Altitude | Altitude & cabin depressurization on performance. | Dielectric strength, (rapidly) varying air pressure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 5 | Temperature Variation | Extreme temperature changes. | Temperature delta, thermal expansion coefficients. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 6 | Humidity | High concentrations of humidity; ability to withstand moisture effects.[fn:1] | Hygrometry. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 7 | Shock & Crash safety | Mechanical shock. Ensures the item does not become a projectile in a crash. | Potential for projectile behavior. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 8 | Vibration | Vibrations. | Normal operation in all vibration scenarios. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 9 | Explosion proofness | Vacuum + gaseous mixture of combustibles. | The unit must be operable without igniting the environment. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 10 | Water proofness | Dripping water or pooled water. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 11 | Fluids susceptibility | Various fluids including carbonated sugared beverages and cleaners/solvents. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 12 | Sand & Dust | Blowing sand and dust of specific particle sizes. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 13 | Fungus Resistance | Fungi under conditions favorable for their development.[fn:3] | Fungal proliferation. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 14 | Salt & Fog | Multiple exposures of salt fog and drying; environmentally accelerated corrosion. | Normal operation after exposure. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 15 | Magnetic effect | Magnetic effects on the aircraft's compass. | Normal aircraft compass function. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 16 | Power input | Input power emissions, susceptibility, transients, drop-outs, hold-up.[fn:2] | Voltage, current, phase. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 17 | Voltage spike | Voltage spikes caused by input power. | AC/DC voltage. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 18 | Audio Frequency Conducted Susceptibility | Frequency components during normal operation. | Power source harmonics. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 19 | Induced Signal Susceptibility | Induced voltages in the equipment interconnect circuit configuration. | power frequency harmonics; audio frequency signals, electrical transients. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 20 | RF emission and susceptibility | Normal operation on radio frequency emission energy and susceptibility. | | +| 21 | | | | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 22 | Lightning susceptibility | Direct and indirect effects, depending on location. | induced transients in the airframe or wire bundle. | +| 23 | | | | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 24 | Icing | Icing conditions arising from rapid changes in temperature, altitude and humidity. | Presence of ice. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 25 | ESD | ESD in handling and operation. | ESD. | +|----+------------------------------------------+------------------------------------------------------------------------------------+----------------------------------------------------------------------------| +| 26 | Flammability | Normal operation on presenting a fire hazard. | Normal operation not causing a fire. | + + +* Footnotes + +[fn:3] This includes high humidity, a warm atmosphere, and the +presence of inorganic salts. + +[fn:2] Full flight mission must be considered, from prior to the +engine start, to after landing---including emergencies. + +[fn:1] Moisture sensitive devices may experience issues with this test +and require conformal coat or other types of protection. diff --git a/wiki/aerospace/standards/ARP4754.org b/wiki/aerospace/standards/ARP4754.org deleted file mode 100644 index e490e2e..0000000 --- a/wiki/aerospace/standards/ARP4754.org +++ /dev/null @@ -1,22 +0,0 @@ -# -*- mode: org; -*- - -#+TITLE: ARP4754 -#+SUBTITLE: Guidelines For Development Of Civil Aircraft and Systems. -#+AUTHOR: Marius Peter -#+DATE: <2022-02-11 Fri> -#+EMAIL: mlnp@tuta.io -#+OPTIONS: toc:nil - -#+KEYWORDS: aerospace SAE ARP 4754 - -#+TOC: headlines 2 - - -#+begin_abstract -ARP4754 is a guidance issued by SAE. -#+end_abstract - - -* TODO Introduction - - https://www.sae.org/standards/content/arp4754a/ diff --git a/wiki/aerospace/standards/DO-160.org b/wiki/aerospace/standards/DO-160.org deleted file mode 100644 index a25b3c9..0000000 --- a/wiki/aerospace/standards/DO-160.org +++ /dev/null @@ -1,23 +0,0 @@ -# -*- mode: org; -*- - -#+TITLE: DO-160 -#+SUBTITLE: Environmental Conditions and Test Procedures for Airborne Equipment. -#+AUTHOR: Marius Peter -#+DATE: <2022-02-11 Fri> -#+EMAIL: mlnp@tuta.io -#+OPTIONS: toc:nil - -#+KEYWORDS: aerospace rtca DO-160 - -#+TOC: headlines 2 - - -#+begin_abstract -The DO-160 document is a standard for environmental testing for -airborne equipment published by the RTCA. -#+end_abstract - - -* TODO Introduction - - https://do160.org/rtca-do-160g/ diff --git a/wiki/aerospace/v-model.org b/wiki/aerospace/v-model.org new file mode 100644 index 0000000..6addaca --- /dev/null +++ b/wiki/aerospace/v-model.org @@ -0,0 +1,42 @@ +# -*- mode: org; -*- + +#+TITLE: V-model +#+SUBTITLE: Guidelines For Development Of Civil Aircraft and Systems. +#+AUTHOR: Marius Peter +#+DATE: <2022-02-11 Fri> +#+EMAIL: mlnp@tuta.io +#+OPTIONS: toc:nil + +#+KEYWORDS: aerospace, systems, development, engineering, model + +#+TOC: headlines 2 + + +#+begin_abstract +The V-model represents the lifecycle of a system's development. +#+end_abstract + + +* TODO Representation + +This is the graphical representation of the v-model. + +#+NAME: v-model +#+BEGIN_SRC plantuml :file ../images/v-model.png :cache yes + @startuml + !theme cerulean-outline + actor Operator as operational + collections Functions as functional + control Logic as logical + boundary Physical as physical + + operational -> functional: Requirements + functional -> logical: Specification + logical -> physical: Build plan + physical -> logical + logical -> functional + functional -> operational +#+END_SRC + +#+RESULTS[7e1fc2faaeb214ca241c5b4126d06cab1818ac52]: v-model +[[file:../images/v-model.png]] -- cgit v1.2.3