Advanced Power Management of a Telehandler using Electronic Load Sensing

Rico Hjerm Hansen

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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Abstract

New possibilities within electronic control of mobile hydraulic systems are becoming available as hydraulic components are implemented with more electrical sensors and actuators.
This paper presents how the traditional hydro-mechanical load sensing (HLS) control of a specific mobile hydraulic application, a telehandler, can be replaced with electronic control, i.e. Electronic Load Sensing (ELS). The motivation for ELS is the potentials of better dynamic performance and system utilization, along with reduced mechanical complexity by transferring features as pump pressure control, flow-sharing, power-sharing, anti-stall and high pressure protection to electronic control. These features are integrated into the developed control structure, which is implemented and tested.
The ability of electronically controlling the position of the swash-plate in a variable-displacement pump is an essential part of the developed control solution. Hence, the development of a control structure for electronic control of a variable-displacement axial piston pump using a three-way servo valve is also treated.
Original languageEnglish
Title of host publicationProceedings of the 10th International Workshop on Research and Education in Mechatronics, REM2009
Number of pages8
PublisherUniversity of Strathclyde
Publication date2009
Publication statusPublished - 2009
EventInternational Workshop on Research and Education in Mechatronics - Glasgow, United Kingdom
Duration: 10 Sep 200911 Sep 2009
Conference number: 10

Conference

ConferenceInternational Workshop on Research and Education in Mechatronics
Number10
CountryUnited Kingdom
CityGlasgow
Period10/09/200911/09/2009

Fingerprint

Hydraulics
Pumps
Reciprocating pumps
Pressure control
Power management
Actuators
Sensors

Keywords

  • Mechatronics
  • Hydraulics
  • Fluid Power
  • Control
  • Electronic Load Sensing
  • Power Management

Cite this

Hansen, R. H. (2009). Advanced Power Management of a Telehandler using Electronic Load Sensing. In Proceedings of the 10th International Workshop on Research and Education in Mechatronics, REM2009 University of Strathclyde.
Hansen, Rico Hjerm. / Advanced Power Management of a Telehandler using Electronic Load Sensing. Proceedings of the 10th International Workshop on Research and Education in Mechatronics, REM2009. University of Strathclyde, 2009.
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Hansen, RH 2009, Advanced Power Management of a Telehandler using Electronic Load Sensing. in Proceedings of the 10th International Workshop on Research and Education in Mechatronics, REM2009. University of Strathclyde, International Workshop on Research and Education in Mechatronics, Glasgow, United Kingdom, 10/09/2009.

Advanced Power Management of a Telehandler using Electronic Load Sensing. / Hansen, Rico Hjerm.

Proceedings of the 10th International Workshop on Research and Education in Mechatronics, REM2009. University of Strathclyde, 2009.

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

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AB - New possibilities within electronic control of mobile hydraulic systems are becoming available as hydraulic components are implemented with more electrical sensors and actuators. This paper presents how the traditional hydro-mechanical load sensing (HLS) control of a specific mobile hydraulic application, a telehandler, can be replaced with electronic control, i.e. Electronic Load Sensing (ELS). The motivation for ELS is the potentials of better dynamic performance and system utilization, along with reduced mechanical complexity by transferring features as pump pressure control, flow-sharing, power-sharing, anti-stall and high pressure protection to electronic control. These features are integrated into the developed control structure, which is implemented and tested. The ability of electronically controlling the position of the swash-plate in a variable-displacement pump is an essential part of the developed control solution. Hence, the development of a control structure for electronic control of a variable-displacement axial piston pump using a three-way servo valve is also treated.

KW - Mechatronics

KW - Hydraulics

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Hansen RH. Advanced Power Management of a Telehandler using Electronic Load Sensing. In Proceedings of the 10th International Workshop on Research and Education in Mechatronics, REM2009. University of Strathclyde. 2009