Electronic Journal of Differential Equations, Vol. 2006(2006), No. 108, pp. 1-8. Title: Some properties of sheaf-solutions of sheaf fuzzy control problems Authors: Nguyen Dinh Phu (Vietnam National Univ., Vietnam) Tran Thanh Tung (Tay Nguyen Univ., Vietnam) Abstract: In this paper we present some results on the dependence of sheaf-solutions of sheaf fuzzy control problems on variation of fuzzy controls. Submitted April 11, 2006. Published September 11, 2006. Math Subject Classifications: 34H05, 93C15, 93C42. Key Words: Fuzzy theory; Differential equations; Fuzzy differential equation; Control theory.