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Typically, supply-chain managers aim to maximize the profitable operation of their manufacturing and distribution supply chain. This could include measures like maximizing gross margin return on inventory invested (balancing the cost of inventory at all points in the supply chain with availability to the customer), minimizing total operating expenses (transportation, inventory and ...
Availability, achieved (Aa) [6] The probability that an item will operate satisfactorily at a given point in time when used under stated conditions in an ideal support environment (i.e., that personnel, tools, spares, etc. are instantaneously available). It excludes logistics time and waiting or administrative downtime.
In engineering, reliability, availability, maintainability and safety (RAMS) [1] [2] is used to characterize a product or system: Reliability: Ability to perform a specific function and may be given as design reliability or operational reliability; Availability: Ability to keep a functioning state in the given environment
[2] [3] A more narrow definition of supply chain management is the "design, planning, execution, control, and monitoring of supply chain activities with the objective of creating net value, building a competitive infrastructure, leveraging worldwide logistics, synchronising supply with demand and measuring performance globally".
Supply and demand stacked in a conceptual chain.. A supply chain is a complex logistics system that consists of facilities that convert raw materials into finished products and distribute them [1] to end consumers [2] or end customers. [3]
Supply chain engineering is the engineering discipline that concerns the planning, design, and operation of supply chains. [1] [2] Some of its main areas include logistics, production, and pricing.
Operational availability is a management concept that evaluates the following. [1] Diagnostic down time; Criticality; Fault isolation down time; Logistics delay down time; Corrective maintenance down time; Any failed item that is not corrected will induce operational failure. is used to evaluate that risk. Operational failure is unacceptable in ...
For example, if a machine is planned to run 100 hours a week, but in reality runs only 50, then the availability is 50%. [3] Performance – compares the ideal output and the actual output. For example, if a certain process is planned to take 10 minutes, but actually takes 20, then the productivity is 50%. [3]