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Constant fill rate for the part being produced: Economic production quantity. Demand is random: classical Newsvendor model. Demand is random, continuous replenishment: Base stock model. Demand varies deterministically over time: Dynamic lot size model. Several products produced on the same machine: Economic lot scheduling problem.
A master production schedule ( MPS) is a plan for individual commodities to be produced in each time period such as production, staffing, inventory, etc. [ 1] It is usually linked to manufacturing where the plan indicates when and how much of each product will be demanded. [ 2] This plan quantifies significant processes, parts, and other ...
Calculation. Delivery schedule adherence is calculated by dividing the number of “on time” deliveries in a period by the total number of deliveries made. The result is then multiplied by 100 and expressed as a percentage. It is common for businesses to delineate the delivery schedule adherence results by supplier - this facilitates ranking ...
The critical path method ( CPM ), or critical path analysis ( CPA ), is an algorithm for scheduling a set of project activities. [ 1] A critical path is determined by identifying the longest stretch of dependent activities and measuring the time [ 2] required to complete them from start to finish. It is commonly used in conjunction with the ...
Service level. Service level measures the performance of a system, service or supply. Certain goals are defined and the service level gives the percentage to which those goals should be achieved. Examples of service level: Percentage of calls answered in a call center. Percentage of customers waiting less than a given fixed time.
A lead time is the latency between the initiation and completion of a process. For example, the lead time between the placement of an order and delivery of new cars by a given manufacturer might be between 2 weeks and 6 months, depending on various particularities. One business dictionary defines "manufacturing lead time" as the total time ...
Little's law. In mathematical queueing theory, Little's law (also result, theorem, lemma, or formula[ 1][ 2]) is a theorem by John Little which states that the long-term average number L of customers in a stationary system is equal to the long-term average effective arrival rate λ multiplied by the average time W that a customer spends in the ...
Microsoft Excel is a spreadsheet editor developed by Microsoft for Windows, macOS, Android, iOS and iPadOS. It features calculation or computation capabilities, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications (VBA). Excel forms part of the Microsoft 365 suite of software.