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For the problem of sail-assisted ship prone to track deviation influenced by wind and other disturbances, a fuzzy adaptive iterative sliding mode control method is presented. The evaluation function is introduced into fuzzy control scheme to evaluate and adjust the designed parameters online. Under the proposed method, the estimation of the uncertain parameters and disturbances can be avoided, moreover,...
In this paper, to improve the gestures' motion smoothness when synthesizing Chinese sign videos, 61 kinds of Chinese hand shape models and corresponding Chinese hand shape codes are proposed, which are used to choose transferring hand shapes by judging the fingers' bending degrees and relationships between the joined sign gestures with obvious motion changes. Besides, we also construct an extending...
Research and design to data acquisition process of inertial platform in self-calibration has been carried on in this paper. After overall module design of simulator, based on the analyses of error source during calibration, error models of various components of platform system are introduced and accelerometer and AS (angle sensor) readings generator simulation algorithm are designed in according to...
Along with the constant development of online services, the application of traditional RBAC model for the user-role assignment and maintaining the user-role assignment become an arduous and error-prone task. In order to solve these problems, this paper proposes a trust based user-role assignment model for assign role to users. It is based on the userspsila trustworthiness in the system, which is a...
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