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Material requirements planning (MRP) is a production planning, scheduling, and inventory control system used to manage manufacturing processes. Most MRP systems are software -based, but it is possible to conduct MRP by hand as well.
Manufacturing resource planning (MRP II) [1] is a method for the effective planning of all resources of a manufacturing company. Ideally, it addresses operational planning in units, financial planning, and has a simulation capability to answer "what-if" questions and is an extension of closed-loop MRP (Material Requirements Planning). [2]
Joseph Orlicky (December 31, 1922 – December 1986) was a Czech-born American pioneer of computerized materials management, manufacturing specialist and author who created the Material requirements planning (MRP). [1] [2] He was the author of the first book on Material Requirements Planning in 1975. [3] [4] [5]
Outputs may be used to create a Material Requirements Planning (MRP) schedule. A master production schedule may be necessary for organizations to synchronize their operations and become more efficient. An effective MPS ultimately will: Give production, planning, purchasing, and management the information to plan and control manufacturing [3]
Manufacturing resource planning, (MRP II), derived from/a followup to MRP/Material requirements planning; Material requirements planning; Maximum retail price, in India and Bangladesh; Marginal revenue product, in the marginal revenue productivity theory of wages; Market risk premium, a risk premium
Materials management is a core supply chain function and includes supply chain planning and supply chain execution capabilities. Specifically, materials management is the capability firms use to plan total material requirements. The material requirements are communicated to procurement and other functions for sourcing.
The Gartner Group first used the acronym ERP in the 1990s [8] [9] to include the capabilities of material requirements planning (MRP), and the later manufacturing resource planning (MRP II), [10] [11] as well as computer-integrated manufacturing. Without replacing these terms, ERP came to represent a larger whole that reflected the evolution of ...
A critical factor in production planning is "the accurate estimation of the productive capacity of available resources, yet this is one of the most difficult tasks to perform well". [7] Production planning should always take "into account material availability, resource availability and knowledge of future demand". [5]