The magazine Artificial Intelligence and Robot Research has these fields: intelligent robot, pattern recognition and intelligent system, virtual reality technology and application, system simulation technology and application, industrial process modeling and intelligent control, intelligent calculation and machine game, artificial intelligence theory, speech recognition and synthesis, machine translation, image processing and computer vision, computer perception, computer neural network, knowledge discovery and machine learning, building intelligence technology and application, Other disciplines of human intelligence can refer to this journal: intelligent robot, pattern recognition and intelligent system, virtual reality technology and application, system simulation technology and application, industrial process modeling and intelligent control, intelligent calculation and machine game, artificial intelligence theory, speech recognition and synthesis, machine translation, image processing and computer vision, computer perception, computer neural network, knowledge discovery and machine learning, building intelligence technology and application, and other disciplines of human intelligence.

Which one is easy to write depends on your own professional knowledge. Write whatever you are good at.