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Technical Briefs

Optimal Design of Solenoid Actuators Driving Butterfly Valves

[+] Author and Article Information
Peiman N. Mousavi

Assistant Professor
Department of Mechanical and Applied Engineering,
Indiana State University,
Terre Haute, IN 47809
e-mail: peiman.naseradinmousavi@villanova.edu

C. Nataraj

Mr. & Mrs. Robert F. Mortiz,
Sr. Endowed Chair Professor in Engineered Systems,
Department of Mechanical Engineering,
Villanova University,
Villanova, PA 19085
e-mail: nataraj@villanova.edu

Contributed by the Design Automation Committee of ASME for publication in the Journal of Mechanical Design. Manuscript received January 5, 2012; final manuscript received May 6, 2013; published online July 2, 2013. Assoc. Editor: Zissimos P. Mourelatos.

J. Mech. Des 135(9), 094501 (Jul 02, 2013) (5 pages) Paper No: MD-12-1011; doi: 10.1115/1.4024720 History: Received January 05, 2012; Revised May 06, 2013

Smart valves are used in cooling applications and are responsible for regulating and supplying the coolant, which is critical for safe and effective operation of many components on naval and commercial ships. In order to be operated under local power (for various mission-critical reasons) they need to consume as little energy as possible in order to ensure continued operability. This paper focuses on optimized design of a typical system using high fidelity nonlinear dynamic models for all the subsystems with full consideration of stability constraints. A simulated annealing algorithm is applied to explore optimal design using two sets of design variables. The results indicate that substantial amount of energy can be saved by an intelligent design that helps select parameters carefully, but also uses hydrodynamic loads to augment the closing effort.

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References

Figures

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Fig. 1

Transient chaotic motion for some critical values captured from the nonlinear dynamic analysis

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Fig. 2

(a) Schematic model of the system; (b) free body diagrams of the solenoid actuator and the butterfly valve

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Fig. 4

(a) Energy used for the optimal response; (b) the optimized Δ1; (c) the applied magnetic forces versus time for the nominal and optimal responses; and (d) instantaneous consumption of the system energy versus α for the nominal and optimal responses

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Fig. 3

(a) Valve angular velocities versus α for the nominal and optimal responses; (b) hydrodynamic torques for the nominal and optimal responses; (c) bearing torques for the nominal and optimal responses; and (d) the current used for the nominal and optimal responses

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