text ( max ( t ) * 0.9, 1.2, 'Goal g-force', fontsize = 8 ) plt. axhline ( y = 1, linewidth = 1, alpha = 0.5, color = 'r', linestyle = '-', label = 'goal' ) plt. ylabel ( 'Throttle %' ) # Bottom subplot, gforce plt. legend (, "best", prop = fontP, frameon = False ) # Small font, best location plt. plot ( t, throttle, t, dthrottle_p, t, dthrottle_d ) plt. legend (, "best", prop = fontP, frameon = False ) # Middle subplot, throttle & dthrottle plt. title ( 'Craft Altitude over Time' ) plt. text ( max ( t ) * 0.9, 105, 'Goal Altitude', fontsize = 8 ) plt. Whats New: Changes in version 1.2.2: Autocompletion. axhline ( y = 100, linewidth = 1, alpha = 0.5, color = 'r', linestyle = '-', label = 'goal' ) plt. This plugin enables support for kOS KerboScript in IntelliJ IDEA IDE. plot ( t, altitude, t, verticalspeed, t, acceleration ) plt. set_size ( 'small' ) def loadData ( filename ): return genfromtxt ( filename, delimiter = ' ' ) def plotData ( data ): rcParams = 10, 6 # Set figure size to 10" wide x 6" tall t = data altitude = data verticalspeed = data acceleration = data # magnitude of acceleration gforce = data throttle = data * 100 dthrottle_p = data * 100 dthrottle_d = data * 100 # Top subplot, position and velocity up to threshold plt. Import matplotlib.pyplot as plt import numpy as np from numpy import genfromtxt from matplotlib.font_manager import FontProperties from pylab import rcParams fontP = FontProperties () fontP. Setup & Helper functions ¶įirst let's set up some helper functions for loading data and plotting. This has the effect of trying to move gforce to 1.0, matching the gravitational force. Where thrott is the throttle percentage from 0 to 1 or no thrust to full thrust.
#KERBAL SPACE PROGRAM KOS UPDATE#
As a first step for hovering, we'll have our controller change in velocity by limiting our g force to 0 via $gforce$ is our onboard gravitational acceleration magnitude using our graviola detector.Īnd in the running controller loop, we update $thrott = thrott + \Delta thrott$ SET thrott to thrott + dthrott. Towards this, we're going to implement, you guessed it, a PID controller. Our intrepid little spaceship consists of a single engine, some landing legs and a parachute in case (when) our controller goes haywire. kOS is to programming, what Kerbal Space Program itself is to rocket science.
#KERBAL SPACE PROGRAM KOS MOD#
So we're going to try and write a kOS script for Kerbal Space Program (KSP) to control a single-stage rocket engine to hover at a set altitude. The do-it-yourself autopilot ¶ kOS, or Kerbal Operating System, is a community-supported mod for the popular game Kerbal Space Program kOS is an autopilot you script yourself.
Kerbal Space Program kOS Hover PID planner ¶
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