Multi-objective optimization and scenario-based robustness analysis of the MoneyMaker Hip Pump

Christopher McComb, Nathan Johnson, Pablo S. Santaeufemia, Brandon T. Gorman, Brent Kolste, Alexander Mobley, Kenji Shimada

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Water-lifting technologies for irrigation have significant potential to increase agricultural yields and stimulate economic growth in rural areas of the developing world. Human-powered water pumps have been used with great success in this rapidly developing market. KickStart's MoneyMaker Hip Pump is a human-powered water pump with additional design features that make it lightweight and portable for use in remote fields in several countries throughout Africa. This work first applied numerical optimization techniques to the design of the MoneyMaker Hip Pump and offers further improvements to its design. Deterministic multi-objective optimization methods were employed to maximize the flow rate of the pump, maximize the pumping height of water, and minimize cost. Following optimization, the robustness of the optimized pump design was analyzed under several modified scenarios, including fouling of the hoses and a decrease in operator power due to fatigue or aging. The set of cost-optimized pump designs was then compared to a second set of optimal designs that was found using material volume as a simplified proxy for the cost objective function. Findings indicate that several technical improvements can be made to the current MoneyMaker Hip Pump design to reduce cost by up to 37% without affecting water flow rate, or increase water flow rate by up to 88% without increasing cost. The numerical model was validated through physical experimentation of the MoneyMaker Hip Pump, and design alterations to reduce cost were experimentally shown to maintain pump performance.

Original languageEnglish (US)
Pages (from-to)23-33
Number of pages11
JournalDevelopment Engineering
Volume3
DOIs
StatePublished - Jan 1 2018

Fingerprint

Multiobjective optimization
pump
Pumps
scenario
water
costs
cost
Costs
Water
Flow rate
water flow
irrigation
water technology
fatigue
analysis
Robustness analysis
Multi-objective optimization
Scenarios
rural area
economic growth

Keywords

  • Design
  • Human-powered pump
  • Irrigation
  • Multi-objective optimization
  • Robustness

ASJC Scopus subject areas

  • Development
  • Engineering(all)
  • Economics, Econometrics and Finance(all)
  • Computer Science Applications

Cite this

Multi-objective optimization and scenario-based robustness analysis of the MoneyMaker Hip Pump. / McComb, Christopher; Johnson, Nathan; Santaeufemia, Pablo S.; Gorman, Brandon T.; Kolste, Brent; Mobley, Alexander; Shimada, Kenji.

In: Development Engineering, Vol. 3, 01.01.2018, p. 23-33.

Research output: Contribution to journalArticle

McComb, Christopher ; Johnson, Nathan ; Santaeufemia, Pablo S. ; Gorman, Brandon T. ; Kolste, Brent ; Mobley, Alexander ; Shimada, Kenji. / Multi-objective optimization and scenario-based robustness analysis of the MoneyMaker Hip Pump. In: Development Engineering. 2018 ; Vol. 3. pp. 23-33.
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