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Token bus protocols are widely accepted Medium Access Control (MAC) protocols in Computer Integrated manufacturing (CIM) networks which are designed to accommodate heterogeneous traffic of real-time and non-real-time data. The priority scheme in token bus protocols offers multiple levels of privilege of medium access to different types of traffic. Performance evaluation of the priority scheme is essential...
Optimization techniques are applied to feedrate and voltage control in order to improve performance of biaxial contouring systems. This is done by maintaining contour error within a prescribed tolerance while tracking the trajectory in minimum time. In addition to the error constraint, the current and voltage constraints are required to keep the motors from overloading. The design of the controllers...
A simplified multivariable model reference adaptive control (MRAC) is shown to provide control reconfiguration for the AFTI/F16 during single, double, triple, and quadruple control surface failures1. The simplified MRAC is unique in that it may employ a reduced order model and is applicable to unstable nonminimum phase plants. The MRAC is capable of implicitly redistributing the control effort among...
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