Comparisons: Discrete FOPD vs continuous IOPID in numerical simulation

cnpcshangbo / OS4_FOC

OS4 fractional order controller

5 stars 4 forks source link

Open cnpcshangbo opened 6 years ago

cnpcshangbo commented 6 years ago

Discrete FOPD vs continuous IOPID in numerical simulation a) Step response comparison

b) Robustness against plant gain variation (0.125 slower, 8 more vibration)

FOPD is worse than iopid against plant gain variation. To-do:

cnpcshangbo commented 6 years ago

Plant: num: [0.8592] den: [1.0710 1] plus integrator
FOPD: NUM: [0.946963179122833,-2.77792961698899,2.98392102212133,-1.40760552266944,0.267978964388861,-0.0129932830769816] DEN: [1,-2.94510699389959,3.17934233429781,-1.51000556757338,0.290497513211450,-0.0143972840431492]
IOPID: p=1.58, i=0.182, d=1.49

parent: 0b57b74b4a7c2aac88f757ccd28f72eec6e63aba

cnpcshangbo commented 6 years ago

Discrete FOPD vs continuous IOPID in both numerical simulation