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APS is especially well-suited to environments where simpler planning methods cannot adequately address complex trade-offs between competing priorities. Production scheduling is intrinsically very difficult due to the (approximately) factorial dependence of the size of the solution space on the number of items/products to be manufactured.
Batch production scheduling is the practice of planning and scheduling of batch manufacturing processes. Although scheduling may apply to traditionally continuous processes such as refining, [ 1 ] [ 2 ] it is especially important for batch processes such as those for pharmaceutical active ingredients, biotechnology processes and many specialty ...
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LSM is used mainly in the construction industry to schedule resources in repetitive activities commonly found in highway, pipeline, high-rise building and rail construction projects. These projects are called repetitive or linear projects.
Schedule each job in this sequence into a machine in which the current load (= total processing-time of scheduled jobs) is smallest. Step 2 of the algorithm is essentially the list-scheduling (LS) algorithm. The difference is that LS loops over the jobs in an arbitrary order, while LPT pre-orders them by descending processing time.
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The Ruby Pipeline is a 42-inch (1,100 mm) natural gas pipeline running from Opal, Wyoming, to Malin, Oregon. The route crosses Northern Utah, and Northern Nevada. [ 18 ] Ruby Pipeline, L.L.C. filed an application with the Federal Energy Regulatory Commission (FERC) on January 27, 2009, authorizing the construction and operation of the Ruby ...
The time for each function unit to complete a task is the same and will occupy a slot in the schedule. If we put these three units and tasks in a sequential order, the required time to complete them is five slots. However, if we pipeline T 0 to T 2 concurrently, the aggregate time is reduced to three slots.