Fuzzy control for fuzzy interval systems part I: solving first order fuzzy equations

2005 ◽  
Author(s):  
R. Boukezzoula ◽  
L. Foulloy ◽  
S. Galichet
Keyword(s):  
Fuzzy Control ◽  
First Order ◽  
Interval Systems ◽  
Fuzzy Equations ◽  
Fuzzy Interval

Variable universe fuzzy control of the lateral stability of forklift trucks based on roll grading

2021 ◽  
pp. 095440702110292
Author(s):  
Yang Zhang ◽  
Guang Xia ◽  
Xiwen Tang ◽  
Linfeng Zhao ◽  
Baoqun Sun
Keyword(s):  
Fuzzy Control ◽  
Control Strategy ◽  
Fuzzy Controller ◽  
Second Order ◽  
Prototype Model ◽  
Lateral Stability ◽  
First Order ◽  
Variable Universe ◽  
Forklift Truck ◽  
Variable Universe Fuzzy Control

Based on the structural analysis and the roll mechanisms of counterbalanced forklift truck, a novel type of 3-link hydraulic supporting mechanism is designed as an actuator for forklift anti-rollover control. A rollover grading control strategy of the lateral stability of counterbalanced forklift truck is proposed, which is used to design a variable universe fuzzy controller. The variable universe fuzzy control of the first-order roll is utilized when the forklift is in the first-order roll, whereas the variable universe fuzzy control of the second-order is used when the forklift is in the second-order roll. A virtual prototype model of forklift is built in Automatic Dynamic Analysis of Mechanical Systems (ADAMS). The co-simulations and vehicle tests are implemented, the results indicate that the lateral stability and active security of the forklift could be improved effectively by using the variable universe fuzzy control strategy of the lateral stability of forklift truck based on roll grading.

Inverse controller design for fuzzy interval systems

2006 ◽  
Vol 14 (1) ◽  
pp. 111-124 ◽  
Author(s):  
R. Boukezzoula ◽  
L. Foulloy ◽  
S. Galichet
Keyword(s):  
Controller Design ◽  
Interval Systems ◽  
Fuzzy Interval
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