Metal price is one of the most important parameters in the calculation of cut- off grade. The cut- off grade has the main role in determination of mine layout. Mine layout actuates mineable reserve, mine life and economic profitability. Not considering the uncertainty in metal prices can lead to a non-optimal layout. In this paper optimum underground mine layout is determined by expected utilit...

A common approach to automatic quad layout generation on surfaces is to, in a first stage, decide the positioning of irregular vertices, followed by finding sensible edges connecting these vertices and partitioning surface into quadrilateral patches second stage. While this two-step reduces problem's complexity, separation also limits result quality. In worst case, set fixed stage without consi...

Design of Cellular Manufacturing System involves four major decisions: Cell formation (CF), Group layout (GL), Group scheduling (Gs) and Resource assignment (RA).  These problems should be regarded, concurrently, in order to obtain an optimal solution in a CM environment. In this paper a two stage heuristic procedure is proposed for CF and RA decisions problem. The solution approach contains a ...

Forms are used extensively as input to many information management systems. An automatic way of processing a form should be preferred over the traditional methods due to high volume and numerous kinds of form documents. A system that minimizes operator error, cost and user interaction has to be developed. This paper proposes a system for automatically parsing form documents that have textual an...

In this paper, we investigated a one-dimensional compactor based on a 45°-shear line technique with jogs insertion for a cell layout. The compactor can be connected off line from current commercial layout tools, such as Tanner Pro’s L-Edit, Cadence’s Virtuoso or Springsoft’s Laker, using the CIF format. A data structure of edge-linked adjacent matrix is constructed for easy implementation in ou...

This paper presents the complete design methodology of a very low-voltage ∆Σ third-order modulator from highlevel specifications down to layout. Behavioral models taking into account cell non-idealities are developed and used to map performance specifications to lower levels. Emphasis has been made on eventual design reuse through design plans and layout templates in a layout-oriented circuit d...

As semiconductor technology advances into the nanoscale era, optical effects such as channel narrowing, corner rounding or line-end pullback are critical to accomplish circuit yield specifications. It is well-demonstrated that layout regularity reduces the increasing impact of process variations on circuit performance and reliability. The purpose of this paper is to present the layout design of...