Vladimir Petrov has a master's degree in the specialty of an engineer in automatic control of systems. The author has been involved in TRIZ since 1972. He was a student, colleague, and friend of TRIZ author Genrich Altshuller. Together with Altshuller, he conducted numerous TRIZ training seminars in various cities of the USSR. He co-organized the Leningrad Scientific School of TRIZ with Voluslav Mitrofanov and organized and delivered lectures in many TRIZ courses in the former USSR, Bulgaria, Czechoslovakia, South Korea, and Israel. He also assisted in organizing TRIZ schools in Germany, Bulgaria, Czechoslovakia, Slovakia, Vietnam, and Israel. He is a versatile TRIZ specialist with broad scientific interests.

• Concepts and definitions.- The structure of laws and patterns of system development.- General laws and patterns of development.- Laws of building systems.- System evolution patterns.- Purpose of laws and patterns system development.- Forecasting the system evolution.-  Patterns of needs and functions development.- Contribution of the author.