Patent ID: 6341632
Filing Date: 2002-01-29
Classification: A01G,G01S

Abstract:
A method for forest harvesting by a harvesting machine comprising a vehicle and a harvesting arrangement mounted thereon, characteristics of a forest portion in question being, prior to harvesting, registered, analysed and processed to a data base having a high geographical accuracy and a high precision as to the characteristics of the forest stand, a harvesting plan being made based on the data base and the result of the harvesting being compared to the harvesting plan, a first computer arrangement being provided on the vehicle, said computer arrangement being adapted to register quality and/or size with regard to harvested pieces of timber, comprisingharvesting using a position determining device arranged on the harvesting machine and capable of determining, by wirelessly receivable signals, the position of the harvesting machine or the harvesting arrangement, co-ordinating data regarding the position of the harvesting machine or the harvesting arrangement, by the first computer arrangement, with data regarding quality and/or size of pieces of timber, transferring co-ordinated data to a second computer arrangement containing the data base, and using said co-ordinated data as a basis for correcting the harvesting plan and accordingly the execution of the harvesting by the second computer arrangement.