ored ▁by ▁the ▁IE EE ▁Comput ational ▁Int elligence ▁Society ▁ ▁" Type - 2 ▁F uz zy ▁Log ic ▁Cont rollers : ▁Tow ards ▁a ▁New ▁Appro ach ▁for ▁Hand ling ▁Un cert aint ies ▁in ▁Real ▁World ▁En viron ments " ▁by ▁H ani ▁H ag ras , ▁spons ored ▁by ▁the ▁IE EE ▁Comput ational ▁Int elligence ▁Society ▁ ▁Software ▁Fre ew are ▁M AT LAB ▁implementations , ▁which ▁cover ▁general ▁and ▁interval ▁type - 2 ▁f uz zy ▁sets ▁and ▁systems , ▁as ▁well ▁as ▁type - 1 ▁f uz zy ▁systems , ▁are ▁available ▁at : ▁http :// s ip i . usc . edu /~ m end el / software . ▁Software ▁supporting ▁discrete ▁interval ▁type - 2 ▁f uz zy ▁logic ▁systems ▁is ▁available ▁at : ▁D IT 2 F LS ▁Tool box ▁- ▁http :// dit 2 fl s . com / projects / dit 2 fl s - tool box / ▁D IT 2 F LS ▁Library ▁Package ▁- ▁http :// dit 2 fl s . com / projects / dit 2 fl s - library - package / ▁ ▁Java ▁libraries ▁including ▁source ▁code ▁for ▁type - 1 , ▁interval - ▁and ▁general ▁type - 2 ▁f uz zy ▁systems ▁are ▁available ▁at : ▁http :// j uz zy . w agner web . net /. ▁ ▁An ▁open ▁source ▁Mat lab / Sim ul ink ▁Tool box ▁for ▁Inter val ▁Type - 2 ▁F uz zy ▁Log ic ▁Systems ▁is ▁available ▁at