v0.7.3

KiteModels v0.7.3

Diff since v0.7.2

Fixed

• fix function update_sys_state!()

v0.7.2

KiteModels v0.7.2

Diff since v0.7.1

Changed

• bump KiteUtils to v0.10.5, which provides much more fields for in the SysState

v0.7.1

KiteModels v0.7.1

Diff since v0.7.0

Changed

• fixed or documented issues found by Aqua.jl
• made DSP a test dependency
• remove package OrdinaryDiffEqSDIRK
• improve documentation for RamAirKite

Added

• the examples calc_spectrum.jl and plot_spectrum.jl to the menu
• the quality insurance package Aqua.jl
• added the script update_default_manifest
• calculate side_slip angle in radian

Closed issues:

• Improve RamAirKite code quality (#102)
• Priorities/Roadmap for RamAirKite (#103)
• Enforce reinit! with reinit_dae=true for the quasi-static model (#125)
• Serialize ODEProblemExpr using JLD2 (#143)
• Add Aqua.jl for quality insurance (#147)
• Remove package OrdinaryDiffEqSDIRK (#148)
• Calculate the side slip angle correctly (#162)

v0.7.0

KiteModels v0.7.0

Diff since v0.6.17

Fixed

• fixed broken installation by freezing NLSolversBase to ~7.8.3 in Project.toml

Added

• added mwe_26.jl for debugging the initial state solver
• the example ram_air_kite.jl
• the struct PointMassSystem for easy definition of the kite power system

Changed

• BREAKING: the model KPS_3L was renamed to RamAirKite
• the RamAirKite model is using the VortexStepMethod with a deforming wing now
• bump KiteUtils to v0.10
• bump ModellingToolkit to 9.72
• bump VortexStepMethod to 1.2.5
• the file CONTRIBUTING.md was updated

Merged pull requests:

• 4-Tether kite with VortexStepMethod.jl for aerodynamic analysis. (#108) (@1-Bart-1)
• Fix tests and update packages (#117) (@ufechner7)
• Fix allocation tests (#119) (@ufechner7)
• Add an option for a quasi-static model (#121) (@1-Bart-1)
• Revert "Add an option for a quasi-static model" (#122) (@1-Bart-1)
• Revert the pull request revert (#124) (@1-Bart-1)
• Add caching and simplify the ram air kite example (#128) (@1-Bart-1)
• Fix the numerical instability of the quasi-static model (#129) (@1-Bart-1)
• Get the correct AoA from VSM (#133) (@1-Bart-1)
• Catch and rebuild corrupt bin files and improve pre-compilation (#135) (@ufechner7)

Closed issues:

• Auto calculate optimal trim angle (#75)
• Vortex Step Method (#109)
• Fast constrained initialization for good tether state estimation. (#110)
• Qaternion kite model (#111)
• Quaternion kite model (#112)
• Pulley bridle line system (#113)
• Add me as contributer and in copyright message (#114)
• Change the steady state solver to a NonlinearSolve.jl solver (#116)
• Improve caching of RamAirKite model (#123)
• The 6-segment quasi-static model fails (#126)
• Fix AoA calculation in examples/ram_air_kite.jl (#127)
• Precompile RamAirKite (#131)
• Deserialization fails (#134)
• Package fails on Julia 1.10 (#137)

v0.6.17

KiteModels v0.6.17

Diff since v0.6.16

KiteModels v0.6.17 2025-02-11

Changed

• always use the brake if the set_speed is zero; this fixes the example steering_test_4p.jl

v0.6.16

KiteModels v0.6.16

Diff since v0.6.15

Changed

• initial_reel_out_4p.jl shows a simulation that starts with an initial reel-out speed > 0
• initial_reel_out_4p_torque_control.jl runs a simulation with a torque controlled winch and an initial reel-out speed > 0

Fixed

• initial reel-out speed not handled correctly

Merged pull requests:

• Allow an initial reel-out speed (#106) (@ufechner7)

Closed issues:

• KPS4 Does not take into account the initial reel speed (#99)
• Make it possible to run test_kps4.jl standalone (#107)

v0.6.15

KiteModels v0.6.15

Diff since v0.6.14

• log kcu_steering in SysState (output of KCU without applying corrections)
• fix tests for Julia 1.11.3
• cleanup run_julia
• add function calculate_rotational_inertia!()
• add example calculate_rotational_inertia.jl and add it to the menu

Merged pull requests:

• add rotational inertial for kite (#100) (@dvanwolffelaar)
• Kcu steering (#104) (@ufechner7)

v0.6.14

KiteModels v0.6.14

Diff since v0.6.13

Fixed

• crash due to a new version of DierckX_jll

Changed

• bump versions in Project.toml
• add upwind_dir to settings.yaml file, remove v_wind_ref vector
• add p_speed, i_speed and max_acc to winch settings
• replaced autodiff=false with autodiff=AutoFiniteDiff() to fix warnings
• added package ADTypes to provide AutoFiniteDiff()
• cleanup code

Closed issues:

• KPS4_3L does not repect changes to the polars after precompilation (#71)
• calc_acc_speed and calc_acc_torque functions use hardcoded settings file (#73)

v0.6.13

KiteModels v0.6.13

Diff since v0.6.12

Changed

• update the fields set_steering, bearing and attractor of the SysState struct
  in the function update_sys_state!
• add the parameters bearing and attractor to the function next_step! for logging

Fixed

• fix #88: the function init_sim!() has the new parameter upwind_dir to define the
  initial wind direction

Merged pull requests:

• Bump codecov/codecov-action from 4 to 5 (#98) (@dependabot[bot])

Closed issues:

• KPS4 Does not take into account the initial wind direction (#88)
• Add tests for creating a SysState from KPS3 (#97)

v0.6.12

KiteModels v0.6.12

Diff since v0.6.11

Changed

• update the fields set_torque, set_force, set_speed, alpha3, alpha4, roll, pitch, yaw
  of the SysState struct in the function update_sys_state!
• add the parameter set_force to the function next_step! for logging
• the four point kite model KPS4 was extended to include aerodynamic damping of pitch oscillations;
  for this purpose, the parameters cmq and cord_length must be defined in settings.yaml
• the four point kite model KPS4 was extended to include the impact of the deformation of the
  kite on the turn rate; for this, the parameter smc must be defined in settings.yaml
• improve examples
• add the packages JLD2 and Colors to the system image

Added

• add examples calc_spectrum.jl and plot_spectrum to plot the eigenfrequencies of the system
• the script calculate_rotational_inertia.jl for calculating the inertia matrix of the kite
• function menu2() which displays a menu with scripts for model verification

Merged pull requests:

• Fix/improve for mpc (#90) (@1-Bart-1)
• Fix the calc_acc method definition warning (#93) (@1-Bart-1)
• add rotational intertia calculation script (#94) (@dvanwolffelaar)

Closed issues:

• Add Cmq, the pitch rate dependand contribution ot the pitching moment to the model (#91)
• Add a script that calculates the rotational inertia around each of the three axis (#92)
• Add steering dependant turning moment coefficient (#96)