Design and Implementation of the Navigation System for an Electromagnetic Guided Agricultural Spraying Robot

In order to satisfy the need for automatically spraying pesticide in greenhouse, a path navigation system for electromagnetic guided spraying robots is designed.A signal generator based on ARM7 MCU(Micro Controller Unit) is developed with digital waveform synthesis technology.The position detection sensor and ferromagnetic detection sensor based on Hall chip are developed.Robot navigation control is implemented with the presented signal generator and sensors.