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A New Dynamic Combustion Engine Test Stand with Real-Time Simulation of the Vehicle Drive Line
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English
Abstract
The dynamic engine test stand is a new tool to develop engines and engine controls. It substantially reduces the need to install the engine in prototype vehicles and perform road tests. Correct engine loading during transient operations as encountered in actual vehicles is made possible with the presented control concept, its high dynamic response and excellent system stability.
The paper compares the drive line simulation with conventional engine test stands. The principle of real-time simulation of the vehicle's spring-mass is explained using mathematical models and functional block diagrams. The paper presents criteria used in choosing the selected design and demonstrates results from test stands in commercial operation.
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Authors
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Citation
von Thun, H., "A New Dynamic Combustion Engine Test Stand with Real-Time Simulation of the Vehicle Drive Line," SAE Technical Paper 870085, 1987, https://doi.org/10.4271/870085.Also In
Automotive Electronic Engine Management and Driveline Controls
Number: SP-0705; Published: 1987-02-01
Number: SP-0705; Published: 1987-02-01
SAE 1987 Transactions Alternative Engines and Engine Components and Systems
Number: V96-5; Published: 1988-09-01
Number: V96-5; Published: 1988-09-01
References
- Fegraus C.E. D'Angelo S. Inertia and Road Load Simulation for Vehicle Testing US-patent 4,161,116 July 1979
- v. Thun H.-J. Dynamic simulation of engines on all-electric transmission test stand BBC-Nachrichten 65 11/83 385 392
- Paulweber M. et al. Vehicle simulation on an engine test stand - Possibilities and practical methods “Automobiltechnische Zeitschrift”
- Scheucher K. et al. The transient test stand - a new opportunity for engine development “Fortschrittsbericht VDI, Reihe 12: Verkehstechnik - Fahrzeugtechnik” 74 23 51