This project aims to develop a novel weighing system for conveyor belts by measuring the energy input into the conveyor system. Traditionally conveyor belt weighing systems are based around loadcells attached to a scale frame that spans 1 or more idler-assemblies that support and guide the belt. These scales frames are usually retro-fitted to the conveyor structure and need to be adapted to fit different types of conveyor frames. The scale frames and/or the loadcells can be easily damaged if the conveyor is moved, which is common in quarries. A novel alternative to loadcell based systems is to measure the energy used by the conveyor drive motor to determine the work done in moving the material on the belt from a lower elevation to a higher elevation. This approach potentially has significant benefits in terms of install costs and improved reliability. This project will investigate:
This project is sponsored and in collaboration with Trimble Loadrite, an established world leader in Navigation and Measurement Systems. Trimble has over 6000 employees in more than 30 countries. Based in Auckland, Trimble Loadrite focuses on creating technological solutions to improve the productivity and efficiency of heavy equipment operations such as quarries, mines, waste management and construction.
Undergraduate
A model to understand requirements for weighing system, estimation of losses and determination of measurements required to estimate weight.
Practical implementation of a prototype weighing system, to include instrumentation, data acquisition and weight estimation.
Understanding of calibration requirements and issues concerning accuracy.
None
Mechatronics PG + Dynamics and Control Lab (201.562, Lab)