% readme.txt
% 
% MATLAB files and routines to generate figures and some results of paper
% "The Effect of Rotor Tilt on the Stability and Gust Rejection Properties
%  of VTOL Multirotor Aircraft" 
% by James Whidborne Arthur Mendez and Alastair Cooke submitted to
% .... 
%
% Scripts
% -------
% MultiRotorGust.m    - Main routine - run this script to generate all figures
% Section2.m          - Rotor Aerodynamic Modelling
% Section3.m          - PVTOL Equations of Motion - Trim
% Section4.m          - Linear Analysis
% Section5.m          - PVTOL Linear control
% Section6.m          - Quadrotor Gust Response
%
% Functions    
% ---------     
% Coefficients.m      - Defines the rotor and airframe coefficents for PVTOL 
%                       and Quadrotor         
% LinearizeAB.m       - Obtains a state space linear model from a nonlinear 
%                       state space model using a finite difference method
% RotorC.m            - Returns rotor thrust and drag coefficients
% RotorCH.m           - Returns rotor drag coefficients
% RotorCQ.m           - Returns rotor blade torque coefficient
% RotorCHQ.m          - Returns rotor  drag and torque coefficients  
% RotorCT.m           - Returns rotor thrust coefficient
% ThrustDragMap.m     - Produces Rotor thrust, drag, and blade torque maps 
% PvtolDynamics.m     - Returns state derivatives for model of planar VTOL 
%                       birotor dynamics
% PvtolSim.m          - Returns state derivatives for controlled PVTOL Birotor 
% PvtolTrim.m         - Calculate trim residual for PVTOL birotor
% PvtolTrimLin.m      - Trim and linearize PVTOL birotor dynamics model
% QuadrotorDynamics.m - Returns state derivatives for model of quadrotor 
%                       dynamics   
% QuadrotorSim.m      - Returns state derivatives for controlled quadrotor
% QuadrotorTrim.m     - Calculate trim residual for quadrotor 
% QuadrotorTrimLin.m  - Trim and linearize quadrotor dynamics  
 
% Utilities
% ---------
% save_pdf.m          - Save figure h in filename as pdf
% 

%==========================================================================
%
%              Dynamics Simulation and Control Group
%  (c) 2020   Cranfield University, Bedfordshire MK43 0AL, United Kingdom
%
%==========================================================================
% Author: James F Whidborne  20 August 2020
%==========================================================================