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Elements and Performance Criteria

  1. Identify the fundamentals of avionic engineering modelling
  2. Develop avionic model
  3. Finalise model

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Models include:

Virtual, such as computer generated solids models

Physical models developed from the virtual model data

Software models

Model purpose includes:

Component hardware design

System design and performance simulation

System software design

Printed circuit board model

Features, functions and context of engineering modelling include:

Techniques used for mechanical modelling

Sustainability implications of modelling

WHS and regulatory requirements related to modelling processes and materials

Model parameters, form, function and features, virtual or physical

Processes required which may include those for generating graphics, post-processing, and physical modelling

Required technical and professional assistance

Post-processor

A post processor or code generator converts programmed instructions generated by computer-aided manufacture (CAM) software or computer-aided design (CAD) package into computer-numerically controlled (CNC) program code to control a machine tool

Post-processing model for analysis or physical modelling includes:

Setting up component, system and system software models

Processing dimensional data to create 2-D or 3-D code for CAM operations, such as printed circuit board manufacture

Rapid prototyping processes include:

A variety of rapid prototyping processes are available, including:

selective laser sintering (SLS) which uses thermoplastics and metal powders

fsed deposition modeling (FDM) which uses thermoplastics and eutectic metals

steriolithography (SLS) which uses a photopolymer

laminated paper manufacturing (LOM) which uses paper

electron beam melting (EBM) which uses titanium alloys

3-D printing (3DP) which uses a variety of materials

Criteria for avionic designs include:

Safety and risk

Function

Aesthetics

Compliance with relevant regulations and standards

Manufacturability and maintainability

Marketability

Sustainability:

social, economic and environmental

material and energy resources

Cost constraints

Ergonomics, anthropometrics and physiology

Facilities, plant and skills available

Appropriate technical and professional assistance includes:

Assistance from individuals with CASA maintenance certification licenses or those with supervisory authorizations in the ADF regulatory system

Professional support from engineers employed within:

organisations with CASA continuing airworthiness management or maintenance approvals

approved engineering organisations under the ADF regulatory system

Engineers employed within organisations recognised by overseas airworthiness organisations

WHS, regulatory requirements and enterprise procedures

WHS Acts and regulations

Relevant standards

Industry codes of practice

Risk assessments

Registration requirements

Safe work practices

State and territory regulatory requirements applying to electrical work

Civil Aviation Safety Regulations (CASRs)

AAP7001 .053 ADF Technical Airworthiness Management Manual

Overseas airworthiness authorities, where applicable, e.g. Federal Aviation Administration, Transport Canada, and European Aviation Safety Agency

Relevant standards include:

AS 1100.101-1992 Technical drawing – General principles

AS 1102.101-1989 Graphical symbols for electrotechnical documentation - General information and general index

AS 61508.1-2011 Functional safety of electrical/electronic/ programmable electronic safety-related systems – General requirements

AS/NZS 3947.3:2001 Low-voltage switchgear and control gear - Switches, disconnectors, switch-disconnectors and fuse-combination units

AS/NZS ISO 31000 Set:2013 Risk Management Set

DEF AUST Specifications applicable to avionics

British Defence Standard 00-970 Design and Airworthiness Requirements for Service Aircraft

US Military Specifications relevant to avionics

ADF AAP7001 .054 Airworthiness Design Requirements Manual

FAR Part 23 Airworthiness Standards for Airplanes in the Normal, Utility, Aerobatic or Commuter Categories

FAR Part 25 Airworthiness Standards for Airplanes in the Transport Category

EASA CS-23 Certification Specifications for Aeroplanes in the Normal, Utility, Aerobatic or Commuter Categories

EASA CS-25 Certification Specifications for Airplanes in the Transport Category

CASA AC 21-99 Aircraft Wiring and Bonding

FAA AC 43-13-1B Acceptable Methods, Techniques and Practices – Aircraft Inspection and Repair

Modelling and related software includes:

Lumped parameter model

Empirical, random data tested model

Finite element analysis (FEA) software

Model based design

Performance Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria under the specified conditions of assessment, and must include:

investigating the uses of avionic models for hardware, system and software design

reviewing features, functions and context of avionic modelling

comparing available software, functions and features

communicating, participating and negotiating with:

stakeholders, team, cross-function support groups and experts

appropriate licensed technicians and professionals

performing modelling using a comprehensive range of techniques, such as:

creating and manipulating 3-D entities

using library files and adaptations

top down system simulation

comparing available software, functions and features

creating dimensioned orthographic projections from model

extracting dimensional properties from model

using post-processing model for analysis or physical modelling

modelling avionic component and system hardware and software

finalising modelling by:

completing work

gaining approval and commissioning work

providing documentation and reports as required

obtaining sign-off.

Knowledge Evidence

Evidence required to demonstrate competency in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria and include knowledge of:

engineering and market context for avionic component and systems modelling:

relative speed compared to traditional methods related to quantities

market demand speed, standardisation, quality and flexibility through data

sustainability implications of modelling: economic, social and environmental

avionic component models, including:

electric motors and electrically operated fluid power actuators

printed circuit boards

electrical and electronic systems components

chain drives, gear sets, pulley and belt drives

structural sections for component casings, racks and mounts to the aircraft structure

avionic systems, including:

aircraft electrical power generation and distribution

control and indication for mechanical, fluid power and flight control systems

aircraft instrument systems

radio communication and navigation

pulse

data communications, including in-flight entertainment

software functions and features:

modelling software

model analysis software (e.g. FEA)

post-processor, CNC/CAM and rapid prototyping

regulations relating to the design of avionic software

model creation techniques, including:

using and manipulating coordinate systems

creating 3-D entities, ruled and revolved surfaces

creating solids, editing and combining solids

manipulating entities and solids

library files

manipulations of solids and library files

three dimensional graphics from models, including rotated views and sections

dimensioned orthographic representations from models

top down system simulation

construction of artwork for printed circuit boards

typical modelling processes, including:

computer modelling

post-processing

prototyping and model manufacture

virtual model options, such as automated systems simulation

physical modelling options, including:

post-processing to create NC data files to CNC circuit board assembly

rapid prototyping options

WHS requirements:

WHS Act and regulation, which recognise that stakeholders in workplace activities include the workforce exposed to worksite conditions, materials and processes of the activity and also recognise the broader community exposed to environmental effects of the activity. Competence in designing for and implementation of the Act, regulations, codes, directives, risk management and standards is required by other units

relevant standards that give guidance to complying with the WHS Act

codes of practice, risk assessment and registration requirements

requirement for licensed technical and professional services

modelling compared to traditional methods, such as:

pen and pencil graphics compared to wire frame, surface and solid models

computer animations compared to transparent overlay mobiles to test clearances and motions

solid models compared to isometric representations

computer library files compared to the use of reference charts and catalogue information

future developments in modelling and related engineering software:

new developments in computer aided engineering

dynamic response of models

new developments in rapid prototyping and manufacturing

animations and simulations.