An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances

A. Sinha; B. J. Gilmore; V. Kohli

doi:10.1115/DETC1993-0323

An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances

A. Sinha, B. J. Gilmore, V. Kohli

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

An efficient method has been developed to determine the steady state response of an internal combustion engine, which is governed by a nonlinear differential equation with discontinuous forcing function due to the nature of the pressure-volume (P-V) diagram. Unlike previously reported methods for dynamically driven mechanical systems, this approach can accurately and efficiently predict the sensitivities of an engine's output to dimensional tolerances. Hence, this technique is well suited for the development of an optimal tolerance allocation scheme based on nonlinear programming. The validity of this method which is based on the alternating frequency/time (AFT) domain technique has been establish^ by comparison with results from numerical integration of differential equation of motion. This method directly yields the mean crank speed and Fourier coefficients of temporal variations in engine's outputs such as crank's speed and the driving torque.

Original language	English (US)
Title of host publication	19th Design Automation Conference
Subtitle of host publication	Volume 1 - Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization
Publisher	American Society of Mechanical Engineers (ASME)
Pages	349-357
Number of pages	9
ISBN (Electronic)	9780791811818
DOIs	https://doi.org/10.1115/DETC1993-0323
State	Published - 1993
Event	ASME 1993 Design Technical Conferences, DETC 1993 - Albuquerque, United States Duration: Sep 19 1993 → Sep 22 1993

Publication series

Name	Proceedings of the ASME Design Engineering Technical Conference
Volume	Part F167972-13

Conference

Conference	ASME 1993 Design Technical Conferences, DETC 1993
Country/Territory	United States
City	Albuquerque
Period	9/19/93 → 9/22/93

All Science Journal Classification (ASJC) codes

Mechanical Engineering
Computer Graphics and Computer-Aided Design
Computer Science Applications
Modeling and Simulation

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10.1115/DETC1993-0323

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Sinha, A., Gilmore, B. J., & Kohli, V. (1993). An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances. In 19th Design Automation Conference: Volume 1 - Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization (pp. 349-357). (Proceedings of the ASME Design Engineering Technical Conference; Vol. Part F167972-13). American Society of Mechanical Engineers (ASME). https://doi.org/10.1115/DETC1993-0323

Sinha, A. ; Gilmore, B. J. ; Kohli, V. / An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances. 19th Design Automation Conference: Volume 1 - Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization. American Society of Mechanical Engineers (ASME), 1993. pp. 349-357 (Proceedings of the ASME Design Engineering Technical Conference).

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title = "An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances",

abstract = "An efficient method has been developed to determine the steady state response of an internal combustion engine, which is governed by a nonlinear differential equation with discontinuous forcing function due to the nature of the pressure-volume (P-V) diagram. Unlike previously reported methods for dynamically driven mechanical systems, this approach can accurately and efficiently predict the sensitivities of an engine's output to dimensional tolerances. Hence, this technique is well suited for the development of an optimal tolerance allocation scheme based on nonlinear programming. The validity of this method which is based on the alternating frequency/time (AFT) domain technique has been establish^ by comparison with results from numerical integration of differential equation of motion. This method directly yields the mean crank speed and Fourier coefficients of temporal variations in engine's outputs such as crank's speed and the driving torque.",

author = "A. Sinha and Gilmore, {B. J.} and V. Kohli",

note = "Publisher Copyright: {\textcopyright} 1993 Proceedings of the ASME Design Engineering Technical Conference.; ASME 1993 Design Technical Conferences, DETC 1993 ; Conference date: 19-09-1993 Through 22-09-1993",

year = "1993",

doi = "10.1115/DETC1993-0323",

language = "English (US)",

series = "Proceedings of the ASME Design Engineering Technical Conference",

publisher = "American Society of Mechanical Engineers (ASME)",

pages = "349--357",

booktitle = "19th Design Automation Conference",

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Sinha, A, Gilmore, BJ & Kohli, V 1993, An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances. in 19th Design Automation Conference: Volume 1 - Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization. Proceedings of the ASME Design Engineering Technical Conference, vol. Part F167972-13, American Society of Mechanical Engineers (ASME), pp. 349-357, ASME 1993 Design Technical Conferences, DETC 1993, Albuquerque, United States, 9/19/93. https://doi.org/10.1115/DETC1993-0323

An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances. / Sinha, A.; Gilmore, B. J.; Kohli, V.
19th Design Automation Conference: Volume 1 - Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization. American Society of Mechanical Engineers (ASME), 1993. p. 349-357 (Proceedings of the ASME Design Engineering Technical Conference; Vol. Part F167972-13).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - An efficient method has been developed to determine the steady state response of an internal combustion engine, which is governed by a nonlinear differential equation with discontinuous forcing function due to the nature of the pressure-volume (P-V) diagram. Unlike previously reported methods for dynamically driven mechanical systems, this approach can accurately and efficiently predict the sensitivities of an engine's output to dimensional tolerances. Hence, this technique is well suited for the development of an optimal tolerance allocation scheme based on nonlinear programming. The validity of this method which is based on the alternating frequency/time (AFT) domain technique has been establish^ by comparison with results from numerical integration of differential equation of motion. This method directly yields the mean crank speed and Fourier coefficients of temporal variations in engine's outputs such as crank's speed and the driving torque.

AB - An efficient method has been developed to determine the steady state response of an internal combustion engine, which is governed by a nonlinear differential equation with discontinuous forcing function due to the nature of the pressure-volume (P-V) diagram. Unlike previously reported methods for dynamically driven mechanical systems, this approach can accurately and efficiently predict the sensitivities of an engine's output to dimensional tolerances. Hence, this technique is well suited for the development of an optimal tolerance allocation scheme based on nonlinear programming. The validity of this method which is based on the alternating frequency/time (AFT) domain technique has been establish^ by comparison with results from numerical integration of differential equation of motion. This method directly yields the mean crank speed and Fourier coefficients of temporal variations in engine's outputs such as crank's speed and the driving torque.

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Sinha A, Gilmore BJ, Kohli V. An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances. In 19th Design Automation Conference: Volume 1 - Mechanical System Dynamics; Concurrent and Robust Design; Design for Assembly and Manufacture; Genetic Algorithms in Design and Structural Optimization. American Society of Mechanical Engineers (ASME). 1993. p. 349-357. (Proceedings of the ASME Design Engineering Technical Conference). doi: 10.1115/DETC1993-0323

An efficient technique for computing the sensitivities of reciprocating engine dynamics to dimensional tolerances

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