Completed Research
Analysis of AM Radio Interference in Tractors
Principal investigators:
Graduate student:
Hua Zeng
Sponsor:
John Deere
Brief abstract:
Modern tractors have a great deal of sophisticated electronics controlling everything from the engine to the entertainment system. And despite all the high-tech entertainment devices that can be installed in the cabin of a tractor, AM radio is still a popular option. Unfortunately, AM radio is particularly susceptible to electronic noise and getting clear reception on a radio that is mounted within a few feet of dozens of other electronic systems can be a significant challenge. The goal of this project was to identify and characterize electronic noise picked up by an AM radio in a tractor with lots of electronic systems. Coupling paths (conducted and field-coupled) were identified for each noise source and design recommendations were made to ensure that AM radio interference will not be a problem in future tractors.
Impact:
John Deere benefitted by learning to control AM radio interference in their tractor designs cost effectively. Tractor drivers benefit by getting noise-free AM radio reception.
Project schedule:
May 2007 to September 2007