Article | 13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden | Modular Design of Hydromechanical Transmissions for Mobile Working Machines
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Title:
Modular Design of Hydromechanical Transmissions for Mobile Working Machines
Author:
Karl Pettersson: Division of Fluid and Mechatronic Systems, Department of Management and Engineering, Linköping University, Sweden Petter Krus: Division of Fluid and Mechatronic Systems, Department of Management and Engineering, Linköping University, Sweden
DOI:
10.3384/ecp1392a12
Download:
Full text (pdf)
Year:
2013
Conference:
13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden
Issue:
092
Article no.:
012
Pages:
113-119
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2013-09-09
ISBN:
978-91-7519-572-8
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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This paper demonstrates an optimisation-based method to design modular gearboxes scalable for a range of applications. The design is adapted to the typical operating behaviours of the reference vehicles and considers the manufacturing costs of the gearboxes. Hydromechanical continuously variable transmissions (CVTs) are today strong candidates to replace drive line transmissions based on fuel-thirsty torque converters in many mobile working machines. The advantages include wide range of torque/speed ratios; high energy efficiency throughout the speed range and decoupling of the engine speed and the vehicle speed. Advanced multiple mode CVTs; however; are difficult to evaluate early in the product development process due to the complex architectures and the great variety of possible concepts. There is consequently an increased need for methods to design; compare and evaluate the transmission concepts. To decrease the development and manufacturing costs; there is also a need for scalable transmission concepts that can be used in several applications of different classes. The results show the proficiency of the methodology compared to a manual design process and that the energy efficiency of the transmissions are heavy coupled to the designs

Keywords: Hydromechanical transmissions; Power-split; Design optimisation

13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden

Author:
Karl Pettersson, Petter Krus
Title:
Modular Design of Hydromechanical Transmissions for Mobile Working Machines
DOI:
http://dx.doi.org/10.3384/ecp1392a12
References:

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[3] P Casoli; A Vacca; G L Berta; S Meleti; and M Vescovini. A Numerical Model for the Simulation of Diesel / CVT Power Split Transmission. In 8th International Conference on Engines for Automobiles; Capri; Naples; Italy; 2007.

[4] Torsten Kohmäscher. Modellbildung; Analyse und Auslegung Hydrostatischer Antriebsstrangkonzepte. PhD thesis; RWTH Aachen; Aachen; Germany; 2009.

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[9] Antonio Rossetti and Alarico Macor. Multi-objective optimization of hydro-mechanical power split transmissions. Mechanism and Machine Theory; 2:112‚Äď128; April 2013.

[10] Karl Pettersson and Petter Krus. Design Optimization of Complex Hydromechanical Transmissions. ASME Journal of Mechanical Design; 2013. Accepted for publication.

[11] Alberto Jose and Michel Tollenaere. Modular and Platform Methods for Product Family Design : Literature Analysis. Journal of Intelligent Manufacturing; 16(3):371‚Äď390; 2005.

[12] K Steindorff. Methods for benchmarking the efficiency of mobile working machines and heavy duty vehicles. In 6th International Fluid Power Conference; pages 197‚Äď207; Dresden; Germany; 2008.

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[14] Reno Filla. Quantifying Operability of Working Machines. PhD thesis; Linköping University; Linköping; Sweden; 2011.

[15] Karl Pettersson and Petter Krus. Optimisation and Concept Sensitivity of Continuously Variable Hydromechanical Transmissions. In 8th International Conference on Fluid Power Transmission and Control; ICFP13; Hangzhou; China; 2013.

[16] Bosch Rexroth AG. Produktkatalog Mobilhydraulik. http://www.boschrexroth.com/mobile-hydraulics-catalog/; 2013.

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13th Scandinavian International Conference on Fluid Power; June 3-5; 2013; Linköping; Sweden

Author:
Karl Pettersson, Petter Krus
Title:
Modular Design of Hydromechanical Transmissions for Mobile Working Machines
DOI:
http://dx.doi.org/10.3384/ecp1392a12
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