Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Adaptive Fuzzy Control for Fractional-Order Interconnected Systems with
  Unknown Control Directions   This paper concentrates on the study of the decentralized fuzzy control
method for a class of fractional-order interconnected systems with unknown
control directions. To overcome the difficulties caused by the multiple unknown
control directions in fractional-order systems, a novel fractional-order
Nussbaum function technique is proposed. This technique is much more general
than those of existing works since it not only handles single/multiple unknown
control directions but is also suitable for fractional/integer-order
single/interconnected systems. Based on this technique, a new decentralized
adaptive control method is proposed for fractional-order interconnected
systems. Smooth functions are introduced to compensate for unknown interactions
among subsystems adaptively. Furthermore, fuzzy logic systems are utilized to
approximate unknown nonlinearities. It is proven that the designed controller
can guarantee the boundedness of all signals in interconnected systems and the
convergence of tracking errors. Two examples are given to show the validity of
the proposed method.

37
The categories of this paper are: supr-con
31
The categories of this paper are: ao-sci
12
The categories of this paper are: nucl-th
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
13
The categories of this paper are: quant-ph
4
The categories of this paper are: cond-mat
20
The categories of this paper are: acc-phys
34
The categories of this paper are: chem-ph
30
The categories of this paper are: q-alg
15
The categories of this paper are: nucl-ex
29
The categories of this paper are: funct-an
21
The categories of this paper are: adap-org
28
The categories of this paper are: alg-geom
7
The categories of this paper are: hep-th
32
The categories of this paper are: atom-ph