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Quality control in manufacture of lumber from second growth

Creator:: Forest Products Laboratory (U.S.)
Abstract:: Revised August 1962. Original report dated 1949.
Resource Type:: Technical Report
Full Text:: Cooperation with the University ofIn Wisconsin iad QUALITY CONTROL IN MANUFACTURE Of MAUER FROM SECOND

On-line lumber quality control technique using image processing

Creator:: Aslam, Fatima
Abstract:: Product quality control is the back bone for an efficient process control system. By monitoring the size of the board cut in a sawmill, performance of the production system can be controlled. Feedback from the quality control system is used to evaluate the status of the production system and also...
Resource Type:: Masters Thesis

Performance analysis of the hardware and software components of an optical scanning system for monitoring lumber sizes

Creator:: Leavengood, Scott A.
Abstract:: In recent years, the forest products industry has been forced to cope with a supply of raw material that is declining in both quality and quantity. In addition, log prices are escalating rapidly. Because log costs may represent as much as 90 percent of the overall production costs of lumber...
Resource Type:: Masters Thesis

Three strategies for tree bucking at the harvest site: consequences for the sawmill

Creator:: Acker, Timothy A.
Abstract:: The timber shortage in the Pacific Northwest is forcing sawmill owners to improve the competitiveness of their harvesting and processing operations. A computer simulation and financial statement analysis were used to compare the processing efficiency and profitability of three bucking strategies: log cost minimization (traditional 40-foot preferred-length logs); hauling length...
Resource Type:: Masters Thesis
Full Text:: lumber-order requirements (41, 49, 52, 60). In Scandinavia, sawmills remotely control tree bucking at

Filling a rough-mill cutting order using a fuzzy logic controller

Creator:: Anderson, James D.
Abstract:: Because of their high cost, reducing the number of boards used to fill an order of dimension parts is an important goal in a lumber rough mill. FLCO (Fuzzy Logic Cutting Order) is a computer program that achieves this goal. Using the concepts of fuzzy logic control, FLCO provides a...
Resource Type:: Masters Thesis
Full Text:: achieves this goal. Using the concepts of fuzzy logic control, FLCO provides a heuristic approach to

A fuzzy logic controller design and simulation for a sawmill bucking system

Creator:: Delgado, Fidel
Abstract:: This document investigates, justifies, designs, and simulates the application of a fuzzy logic controller/optimizer in a sawmill bucking system application that is the first production station where stems coming from the mountains are processed in a sawmill. One of the areas of success in the application of fuzzy logic is...
Resource Type:: Masters Thesis
Full Text:: processed in a sawmill. One of the areas of success in the application of fuzzy logic is in control

The effect of edging red alder lumber on cut stock production

Creator:: Schott, Kermit A.
Abstract:: It has been observed that edging flitches into lumber unnecessarily reduces the yield of cut stock. This research investigated the yield of cut stock from unedged red alder (Alnus rubra) flitches, and compared it to yields attained from boards subjected to a variety of edging strategies: conventional, light-edging, actual, severe...
Resource Type:: Masters Thesis
Full Text:: invaluable. I sincerely hope that this thesis represents the quality of the computer-aided manufacturing

An integrated assembly tolerance analysis system

Creator:: Qian, Xiaonong
Abstract:: Tolerance analysis and synthesis plays a vital role in the success of a product design because it directly affects product quality and manufacturing cost. It also affects manufacturing process selection and planning. This research provides a review of several commonly used assembly tolerance analysis models and evaluation of their limitations....
Resource Type:: Masters Thesis

Optimal allocation of screening inspection effort for nonserial production systems

Creator:: Yum, Bong Jin
Abstract:: The economic aspects of quality control have received wide concern since its developmental stages, however, they have not been sufficiently explored. Moreover, as the need for complex products of high precision and reliability increases, most industrial firms have experienced some difficulties in meeting that need at reasonable costs with their...
Resource Type:: Masters Thesis
Full Text:: McDowell The economic aspects of quality control have received wide con- cern since its developmental

A Bayesian analysis for economic design of single sampling plans for a sequence of lots

Creator:: Taracena, Fernando L.
Abstract:: A dynamic approach to the Bayesian theory of sampling inspection by attributes for the single sampling case is presented. A model is developed which assumes a sequence of lots of equal known size and lots generated by a process operating in a random manner. The model also assumes constant associated...
Resource Type:: Dissertation
Full Text:: assumes constant associated costs for all lots and that the posterior distribution of the Process quality

ScholarsArchive@OSU

Quality control in manufacture of lumber from second growth

On-line lumber quality control technique using image processing

Performance analysis of the hardware and software components of an optical scanning system for monitoring lumber sizes

Three strategies for tree bucking at the harvest site: consequences for the sawmill

Filling a rough-mill cutting order using a fuzzy logic controller

A fuzzy logic controller design and simulation for a sawmill bucking system

The effect of edging red alder lumber on cut stock production

An integrated assembly tolerance analysis system

Optimal allocation of screening inspection effort for nonserial production systems

A Bayesian analysis for economic design of single sampling plans for a sequence of lots

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