Optimization of Primary Wood Transportation Mechanization in Hyrcanian Forests Based on Multiple Objectives (Environmental, Economic, Performance, Ergonomic)

Hejazian, Mohammad; Lotfalian, Majid; Mohammad Limaei, Soleiman

doi:10.22092/erams.2018.120981.1244

Document Type : Original Article

Authors

¹ PhD student, Sari agricultural and natural resources university, Faculty of natural resources

² Associate professor, faculty of natural resource, Sari agricultural and Natural Resources University, Iran

³ Associated professor, faculty of natural resource, University of Guilan. Someh Sara, Iran

https://doi.org/10.22092/erams.2018.120981.1244

Abstract

In this study, in order to determine the optimal mechanization of the wood primary transportation in the Hyrcanian forests of Iran, current machines including Timberjack 450C, HSM 904 and agricultural tractor and number of new machines including LKT 81, TAF 690, Vimek 610 and Mowi 650 were investigated. The Goal Programming technique, a multi-objective optimization method, including environmental, economic, performance, ergonomics, was used. The results showed that Timberjack 450C and HSM 904 skidders had less log transporting costs compared to other machines, and economically are still cost-effectively machines. For the transporting of firewood, Farm tractor is not cost-effectively and the alternative economic option is Mowi 650 trailer. In the case of replacement, the cost of firewood transporting will decrease by 44%. Optimization results, using goal programming regarding all the goals, have shown that existing machines should be replaced by the LKT 81 skidder and the Vimek 610 forwarder to transport logs and firewoods, respectivlly. With the replacement, the costs of log transporting will increase to 15% and the costs of firewood transporting will decrease to 10%. Currently, the mechanization of wood transportation in Hyrcanian forests is not optimal in terms of quadratic goals and needs to be changed. In the forest machinery management, the environmental and ergonomic aspects should be taken into consideration.

Keywords

References

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Agricultural Mechanization and Systems Research

Optimization of Primary Wood Transportation Mechanization in Hyrcanian Forests Based on Multiple Objectives (Environmental, Economic, Performance, Ergonomic)

References

References

Volume 20, Issue 73 - Serial Number 73
March 2020
Pages 19-34

Optimization of Primary Wood Transportation Mechanization in Hyrcanian Forests Based on Multiple Objectives (Environmental, Economic, Performance, Ergonomic)

References

References

Volume 20, Issue 73 - Serial Number 73March 2020Pages 19-34

Volume 20, Issue 73 - Serial Number 73
March 2020
Pages 19-34