A computer-based time study system for timber harvesting operations

A computer-based time study system was developed for timber harvesting operations. Object-oriented techniques were used to model and design the system. The front-end of the time study system resides on the MS Windows CE and the back-end is supported by MS Access. The system consists of three major components: a handheld system, data transfer interface, and data storage. The design module on the handheld is used to design harvesting functions and variables for different types of machines, sites, and stands. The data collection module also resides in the handheld system and is used to collect time, motion, and other data for harvesting machines in the woods. The interface module of data transfer is used to transfer field data from handheld to the main data storage on a desktop PC. This module resides on a desktop PC and allows the user to manipulate and export the data collected in the field. Results from field tests indicate that this system can provide accurate and reliable time study data of logging operations.

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