Browsing by Subject "Critical path analysis"
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Item A critical analysis of flow-shop sequencing(Texas Tech University, 1968-08) Smith, Milton L.Not availableItem A critical path based parametric ring oscillator(Texas Tech University, 2000-12) Black, Todd A.This paper details the design and verification of a new type of semiconductor parametric oscillator. The oscillator will be designed to incorporate a close representation of the actual critical path of the device being tested. The oscillator will allow for more accurate modeling of device speed, leading to improvements in yield analysis and material planning. The oscillator is designed for an advanced CMOS process to model a complex microprocessor.Item An investigation of the relationships between the sequencing and scheduling problems(Texas Tech University, 1969-05) Spencer, Don LloydNot availableItem Common due date scheduling with batch delivery(Texas Tech University, 2001-05) Ongsakul, ViputNot availableItem Implementation of a critical path based parametric ring oscillator(Texas Tech University, 2001-05) Shaik, KhaleelThis paper details the design and implementation of a new type of semiconductor parametric ring oscillator used to predict the speed of a device. The new oscillator, " A Critical Path Based Parametric Ring Oscillator," represents the actual critical path of a device. The concept behind the critical path based oscillator, along with the design and development process, are presented. The oscillator was implemented in a complex microprocessor using an advanced CMOS process. Using the new oscillator, the speed of a device can be modeled more accurately, thus leading to better material planning and also improvements to yield analysis.Item Pore-scale permeability prediction using critical path analysis(2016-08) Tinker, Derek Andrews; Daigle, Hugh; Sharma, Mukul MUsing the principles set forth in percolation theory and critical path analysis (CPA), this thesis presents a method for constraining parameterized values of critical pore size and a cumulative volumetric density function using the shape and scale of accessibility functions and a mercury intrusion capillary pressure (MICP) data set. Constraints can be made without an independent pore size distribution measurement. These parameters can be combined with the percolation threshold corrected for finite sample size and electrical formation factor to determine permeability and to approximate pore size distribution. The analysis uses predetermined permeability, porosity, and formation factor values in Berea Sandstone and Racine Dolomite core samples to initially quantify parametrization values. The analysis also compares two methods of deriving critical pore size using the Washburn equation and using parameterized values. The thesis also takes an initial look at applying the method to different methods for parameterizing the pore size volumetric probability density function; first using a pore solid fractal (PSF) model known to be appropriate in natural porous media and then using a truncated power law (TPL) distribution for comparison.Item Sensitivity analysis of various criteria for flow-shop sequencing with respect to in-process inventory cost(Texas Tech University, 1969-08) Naidu, Bavikati RajasekharNot availableItem Steady state flowship sequencing to meet due date with bonus and penalty functions(Texas Tech University, 1969-08) Ramaswamy, Kizhanatham V.Not available