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Design Strategy for a 3-Phase Variable Frequency Drive (VFD) (Electrical Project)

This paper describes the design processes for a 3-Phase Variable Frequency Drive (VFD) as broken up into two stages: The AC-DC converter and the DC-AC converter. It acknowledges three (3) design versions, all. The output of the Continue reading

Solar Powered Semi-automatic Pesticide Sprayer for use in Vineyards (Electronics Project)

ABSTRACT

This paper presents a semi-automatic pesticide sprayer system which operates using solar power. The semiautomatic sprayer is a three wheeled vehicle which sprays pesticide in any given vineyard with almost nil human assistance. The vehicle Continue reading

Collision Mitigation System: Pedestrian Test Target (Mechanical Project)

EXECUTIVE SUMMARY

Daimler Trucks North America is creating an advanced emergency braking system which uses radar sensors that detect pedestrians and automatically applies the brakes to bring the vehicle to a stop. To improve and validate their technology, they Continue reading

Sensorless Rotor Position Estimation For Brushless DC Motors (Electrical Project)

Brushless DC motor speed is controlled by synchronizing the stator coil current with rotor position in order to acquire an accurate alignment of stator rotating field with rotor permanent-magnet field for efficient transfer of energy. In order to accomplish this Continue reading