<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Certain crane operations – hoisting/lowering the payload connected to a slewing jib – require a nonlinear description to take Euler and Coriolis forces into account, the impacts of which should already be minimised at the stage of selection of the system parameters and mechanism structure. Optimal sets of parameters for the crane mechanisms thus obtained were optimised for the full range of slewing motion. It is demonstrated that the selection of the geometric dimensions of the structural elements of the hoisting mechanisms, i.e. the slewing system and counterbalances, enables the horizontal track error load to be minimised whilst the forces acting on the mechanism and inducing its vertical movement can be reduced. Thus, for the assumed lifting capacity and distance jaunt we get the structure of the crane mechanism that guarantees the minimal consumption of energy.</p></abstract>

Certain crane operations – hoisting/lowering the payload connected to a slewing jib – require a nonlinear description to take Euler and Coriolis forces into account, the impacts of which should already be minimised at the stage of selection of the system parameters and mechanism structure. Optimal sets of parameters for the crane mechanisms thus obtained were optimised for the full range of slewing motion. It is demonstrated that the selection of the geometric dimensions of the structural elements of the hoisting mechanisms, i.e. the slewing system and counterbalances, enables the horizontal track error load to be minimised whilst the forces acting on the mechanism and inducing its vertical movement can be reduced. Thus, for the assumed lifting capacity and distance jaunt we get the structure of the crane mechanism that guarantees the minimal consumption of energy.

Selected Aspects Involved in the Optimization of Cranes with Pivoting Booms

Technical Transactions

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

{"article-title":"Selected Aspects Involved in the Optimization of Cranes with Pivoting Booms"}

Certain crane operations – hoisting/lowering the payload connected to a slewing jib – require a nonlinear description to take Euler and Coriolis forces into...

Selected Aspects Involved in the Optimization of Cranes with Pivoting Booms

Published Online: May 21, 2020

Page range: 159 - 171

Received: Apr 03, 2018

DOI: https://doi.org/10.4467/2353737XCT.18.064.8376

Keywords
cranes, counterbalance, pivoting jib, slewing system, Euler’s forces, Coriolis forces, energy consumption, nonlinear and non-stationary differential equations of motion, vibration, parametric optimisation, horizontal track error load, one-link jib crane

© 2020 Stefan Chwastek, published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Selected Aspects Involved in the Optimization of Cranes with Pivoting Booms

Published Online: May 21, 2020

Page range: 159 - 171

Received: Apr 03, 2018

DOI: https://doi.org/10.4467/2353737XCT.18.064.8376

Keywordscranes, counterbalance, pivoting jib, slewing system, Euler’s forces, Coriolis forces, energy consumption, nonlinear and non-stationary differential equations of motion, vibration, parametric optimisation, horizontal track error load, one-link jib crane

© 2020 Stefan Chwastek, published by Sciendo

This work is licensed under the Creative Commons Attribution-ShareAlike 4.0 Public License.

Keywords
cranes, counterbalance, pivoting jib, slewing system, Euler’s forces, Coriolis forces, energy consumption, nonlinear and non-stationary differential equations of motion, vibration, parametric optimisation, horizontal track error load, one-link jib crane