Re: [Visualpython-users] Simple Electric motor simulation

[Bruce S. <Bru...@nc...>]

See comments added to code.

from __future__ import division, print_function
# should import future print_function, so that print(....) works the same
in Python 2 and Python 3

from visual import* # this imports all of the math library
#from math import e
#import math
scene.title='Simple Electric motor simulation'
scene.width = 1000
scene.height = 500
scene.autoscale = 0
scene.range = (35,35,35)
scene.center = (12,0,0) # not sure what you are trying to achieve; would
make more sense to place the object at (0,0,0)
scene.background = (.5,0.5,2) # I suspect you want this color as a
background, not as a box

# None of these variables are used, so they're commented out for clarity:
#area=box(pos=(12,0,14),length=400,height=400,width=400,material=materials.plastic,color=(.5,0.5,2))
#fcharge=1.6e-19
#pweight=1.67e-11
#count=0
#mfrm=frame(axis=(350,5,10))         #Motor Frame
#rfrm=frame(frame=mfrm)              #Rotor Frame

#Electric motor-Jon's
battery=frame() # not clear why a frame is used here; it plays no role
cylinder(frame=battery,pos=(0,0,10),axis=(0,0,.2),radius=1.5,color=color.blue,material=materials.emissive)
cylinder(frame=battery,pos=(0,0,10.2),axis=(0,0,7.8),radius=1.5,color=(0.5,0.5,0.2))
cylinder(frame=battery,pos=(0,0,12),axis=(0,0,7),radius=.75,color=color.red,material=materials.emissive)

#wire-Mine
wire=curve(pos=[(0,-6.5,20), (0,0,20), (0,0,8.5),(0,-6.5,8.5)], radius=0.25)

#Magnet of motor-Mine
floor1 = box (pos=(0,-1.75,14), length=2, height=0.5, width=6,
color=color.red)
floor2 = box (pos=(0,-2.25,14), length=2, height=0.5, width=6,
color=color.blue)

#Rotor stucture-Mine
# Add Ring and
Rod
# The armature coil (ring)
rotor = frame(pos=(0,-6,14)) # set up a frame for the rotating parts, and
in the loop just rotate the frame
#ring(pos=(0,-6,14),axis=(350,5,10), radius=1.75,
thickness=0.5,color=(1,0.5,0.3),material=materials.blazed)
#rod1=cylinder(pos=(0,-6,8.5),length=11.5,axis=(0,0.5,100),radius=0.45,color=(1,0.5,0.3),
material=materials.blazed)
ring(frame=rotor, radius=1.75,
thickness=0.5,color=(1,0.5,0.3),material=materials.blazed)
rod1=cylinder(frame=rotor, pos=(0,0,-11.5/2), length=11.5, axis=(0,0,1),
radius=0.45,color=(1,0.5,0.3), material=materials.blazed)

#labeling of program-Mine
label1=label(pos=(0,0,10.2), text='Battery', xoffset=17, yoffset=17)
label2=label(pos=(0,-6,10), text='Armature', xoffset=47, yoffset=47)

dtheta = 0.05
while True:
    rate(100)
    rotor.rotate(angle=dtheta, axis=(0,0,1))


print('end of simulation')