Index Catalog // ScholarsArchive@OSU

A mechanized harvesting system simulation : input, output, limitations and capabilities

Creator:: Aedo-Ortiz, Dario M.
Abstract:: This study concerns the use of a discrete-event simulation model for analyzing the production of a mechanized forest harvest system. The simulation models a field collection data set of a harvester-forwarder system which was previously collected by the Forest Engineering Department of Oregon State University. The computer software consisted of...
Resource Type:: Masters Thesis

An HP-75/HP--86 computer data collection system for recording and displaying logging equipment time studies

Creator:: Campbell, Thomas M.
Abstract:: Time studies of logging equipment are important to determine production rates, calculate logging costs and locate operating inefficiencies. However, using present time study techniques, they are also costly and time consuming to complete. This project will develop a new data gathering and storage technique using the HP-75 portable computer to...
Resource Type:: Capstone Project

Performance and graphics enhancement of the LOGSIM mechanized log harvesting system simulator

Creator:: Moss, J. Alexander
Abstract:: The focus of this research concentrates on enhancement of the LOGSIM mechanized log harvesting system simulator. Enhancement of software focuses on overall improvement of the user environment as well as improvement of the performance and capabilities of the simulation package. An enhanced version of the front-end interface program is developed...
Resource Type:: Masters Thesis
Full Text:: University. LOGSIM (Logging Simulator) is a personal-computer-based simula- tion model of the mechanized

Payload analysis for the North Bend, South Bend, and modified North Bend skyline logging systems

Creator:: Woodruff, William C.
Abstract:: The North Bend skyline system was first introduced into the Pacific Northwest in 1912 by the North Bend Lumber Company, North Bend, Washington. The system was able to raise the front end of logs over obstacles while yarding large payloads uphill. Yarding efficiency was improved since hangups were minimized. The...
Resource Type:: Masters Thesis

Computer assisted design of planar workholders

Creator:: Chancharoen, Ratchatin
Abstract:: There are many situations in which contact between two bodies is at a single point so there can be no tensile (force). This form of contact only provides a single degree of restraint, and is defined as a unidirectional point contact. The analysis of Reuleaux shows that four suitably placed...
Resource Type:: Masters Thesis
Full Text:: illustrative examples. Program source code in QuickBASIC is included in the report. COMPUTER ASSISTED DESIGN

Questions about optimal bucking

Creator:: Olsen, Eldon D. and Oregon State University. Forest Research Laboratory
Abstract:: A compilation of Oregon State University research work on computer-aided crosscutting (bucking) of trees into logs. Major considerations for deciding whether to adopt optimal bucking and steps to implement it are described. The bulletin references field studies which evaluated and tested prototype optimal bucking systems.
Resource Type:: Technical Report
Full Text:: adopted by the industry. BUCK© is the name of a personal-computer (PC) based program developed and tested

Predicting running skyline performance based on the mechanical capability of the yarder

Creator:: Wilbanks, Samuel James
Abstract:: The objective of this paper is to develop a methodology for determining running skyline yarder performance based on the mechanical characteristics of the yarder and its interaction with the load and the terrain. A code for implementing this procedure on the HP-9020 will be prepared .
Resource Type:: Capstone Project

The development of analytic techniques and FORTRAN programs for the evaluation of plane motion mechanisms

Creator:: O'Kins, Charles Eugene
Abstract:: A mechanism is a constrained kinematic chain composed of gears, links, cams, or the like. Mechanisms are the building blocks of all machines, and, as such, their evaluation is of considerable importance to the mechanical designer. Because the mathematical analyses of systems with four or more moving members has been...
Resource Type:: Masters Thesis
Full Text:: Writing Equations of Angular Kinernatics Deterrnining T ranslational Kinernatics THE COMPUTER PROGRAM TO

Development of a cable logging system analysis package for micro-computers

Creator:: Chung, Joosang
Abstract:: A computer program package to estimate cable yarding payload capability was made. The package was intended to expand applicability of existing packages and to be user friendly. It has six system options: live skyline, standing skyline, running skyline, slackline, multispan and highlead. In the standing skyline and multispan analyses, load...
Resource Type:: Capstone Project

Optimal bucking : two trials with commercial OSU BUCK software

Creator:: Olsen, Eldon D., Stringham, Bennett, Pilkerton, Stephen J., and Oregon State University. Forest Research Laboratory
Abstract:: Trials to achieve optimal bucking were made with updated OSU-BUCK software in an eastern and a western Oregon location during the summers of 1993 and 1994. The commercial version of the software allows tagging of each log with bar-code identification numbers and therefore provides tracking from stump to customer. Data...
Resource Type:: Technical Report
Full Text:: provided by makers of each field computer. The OSU BUCK program is a decision-making aid for the bucker

ScholarsArchive@OSU

A mechanized harvesting system simulation : input, output, limitations and capabilities

An HP-75/HP--86 computer data collection system for recording and displaying logging equipment time studies

Performance and graphics enhancement of the LOGSIM mechanized log harvesting system simulator

Payload analysis for the North Bend, South Bend, and modified North Bend skyline logging systems

Computer assisted design of planar workholders

Questions about optimal bucking

Predicting running skyline performance based on the mechanical capability of the yarder

The development of analytic techniques and FORTRAN programs for the evaluation of plane motion mechanisms

Development of a cable logging system analysis package for micro-computers

Optimal bucking : two trials with commercial OSU BUCK software

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