Simulink Drone Reference Application

버전 2.1 (114 MB) 작성자: Pablo Romero
Simulink Project showing a small fixed-wing drone, its autopilot, and the operator interface

다운로드 수: 4.8K

업데이트 날짜: 2022/2/8

GitHub에서 호스트

GitHub에서 라이선스 보기

Simulink Drone Reference Application View Simulink Drone Reference Application on File Exchange

This Simulink® Project shows the implementation of a Remotely Piloted Radio-Control fixed-wing aircraft (i.e. Drone, UAV), an autopilot for flight stabilization, and an operator interface to control its trajectory.

Components

The model consists of three main components:

Plant model

A Six-Degree-Of-Freedom (6-DOF) dynamics model for a foam-built, 65-inch wingspan, Multiplex Mentor hobby radio controlled aircraft. It consists of models for the aircraft dynamics, the weather, the motor, the actuators and the sensors. The plant receives commands for the four actuator channels: (1) Throttle, (2) Ailerons, (3) Rudder, and (4) Elevator. In turn, it produces a set of readings as those that a sensor suite would produce on board this type of aircraft.

The plant model uses a flat-earth approximation and therefore it will only work for flights which have a range of approximately 20 Km..

Autopilot model.

The autopilot controller is a classical lateral/longitudinal channel flight controller which includes Guidance, Navigation and Control (except attitude estimation as this is assumed to be obtained directly from the sensor suite). The autopilot, based on the ground control station commands and the sensor readings, produces control commands for the control surfaces and also reports telemetry back to the ground station. This block stabilizes the aircraft to keep it in-flight.

It allows the operator to command it to fly in four different modes:

  • Waypoint guidance.
  • Circular Guidance.
  • Return to Base.
  • Mid-level contro commands (Uc, phi_c, H_c)

Aircraft operator interface.

This represents the console operating the RC Aircraft in flight. It issues commands sent from the ground to the aircraft (waypoints, airspeed, height, etc...).

The block receives telemetry reported by the aircraft such as attitude, sensor readings, and overall aircraft status. This will allow to set the desired behavior of the aircraft while in-flight.

This model has the option to interact with the well-know, publicly available Open Source Micro Air Vehicle ground station software QGroundControl. To communicate with QGroundControl, the model uses the MAVLink communications protocol.

Functionality

This Simulink Project exercises several common workflows in flight control development. Its purpose is to show a recommended approach to a Model-Based Design (MBD) process to develop a proof of concept Drone flight controller (autopilot). Particularly we show the following workflows:

  1. Flight Controller Design Develop a fixed-wing drone autopilot and test its behavior in a reasonably realistic 6DOF aircraft simulation.

  2. Simulate the Flight Controller Under Different Conditions: Rapidly asses the performance of an autopilot under many simulated flight conditions, using local parallel simulations.

  3. Flight Envelope Characterization Rapidly characterize the Aircraft’s performance by doing a wide range of environmental and initial conditions sweep using MATLAB Distributed Computing Server.

  4. UAV SME Capabilities Assessment Demonstrate to a Subject Matter Expert (SME), early in the design process, the Drone’s capabilities and gather feedback on usability and its functionality, via co-simulation between Simulink and QGroundControl Ground Station Software.

  5. Test Correctness of the Fight Controller’s Generated Code Test the code behavior using Simulink's Software-In-the-Loop on the development computer for same results (within bounds) of the designed autopilot.

  6. Deploy and Test Correctness of the Flight Controller’s Generated Code Test the code’s behavior on a development board (a Raspberry Pi) for same results (within bounds) using Simulink's Processor-In-the-Loop.

  7. System Integration Test (Hardware-In-the-Loop) Test the flight controller deployed in the development board (Raspberry Pi) with a 6DOF aircraft simulation running in a Speedgoat® Real-Time computer with Simulink Real-Time™.

  8. Run Regression Tests Run Regression tests locally.

Co-Simulation and Control Interface

This model can interact with the Open Source QGroundControl ground station software to control the aircraft while "in flight":

QGC Co-Simulation

Getting Started

To run the model clone the repository into your own working directory and, from the MATLAB command line:

    >> openProject('pathToYourProject/MBDRI.prj');
    >> configSim;
    >> runShortFlight;

This should produce five plots, the first being an XY plot of a complete mission around 6 waypoints, as shown below:

XY Mission Plot

Setup

To get the full functionality, you will need a computer running MATLAB®, Simulink® and a supported compiler plus the following products depending on the workflow:

For Flight Control Design

Simulate the Flight Controller Under Different Conditions

Flight Envelope Characterization

SME Assesment and Connectivity to QGroundControl

For Testing and Deploying the Behavior of the Fight Controller’s Generated Code

For System Integration Test (Hardware-In-the-Loop)

For Automated Tests (Back-to-Back and Regression Tests)

License

The license is available in the License file within this repository.

Contributing

If you are interested in contributing we are definitely interested in hearing from you. There are many open tickets and we are sure this list will only grow, so feel free to contribute by owning one of those tickets and send us a pull request.

If you would like to suggest an enhancement please create a new issue and apply the enhancement label. This is no guarantee that we will get to it, but we will definitely take it into consideration.

If you have encountered a bug, please create a new issue and apply the bug label.

Community Support

MATLAB Central

Copyright 2021 The MathWorks, Inc.

인용 양식

Pablo Romero (2022). Simulink Drone Reference Application (https://github.com/mathworks/simulinkDroneReferenceApp/releases/tag/v2.1), GitHub. 검색됨 .

MATLAB 릴리스 호환 정보
개발 환경: R2021b
R2021b 이상 릴리스와 호환
플랫폼 호환성
Windows macOS Linux
커뮤니티

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!
이 GitHub 애드온의 문제를 보거나 보고하려면 GitHub 리포지토리로 가십시오.
이 GitHub 애드온의 문제를 보거나 보고하려면 GitHub 리포지토리로 가십시오.