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A Method to Improve...
A Method to Improve Stability and Transparency for Mechanical Hardware-in-the-Loop Simulation
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- Chen, Weitao, 1989 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Bruzelius, Fredrik, 1974 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Klomp, Matthijs, 1976 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Jacobson, Bengt J H, 1962 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2021
- 2021
- English.
- Related links:
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https://research.cha...
Abstract
Subject headings
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- In mechanical hardware-in-the-loop (MHIL) simulation the test hardware and the simulated environment are coupled by an interface, which typically is a dynamometer rig. This interface determines the simulation accuracy and robustness. In this work, MHIL simulation is analysed in a linear robust control framework. The system consists of an inner loop formed by the load motor controller and the rig, and an outer loop formed by the test hardware and the simulated environment. While the inner loop tracking set the overall performance, instability and poor performance may be introduced by the outer loop. We demonstrate how delay tolerance of MHIL simulation varies with the outer loop dynamics. A new method is introduced to improve the robustness and accuracy. The method utilizes flexibility of the simulation model, and only software changes are needed. The proposed method is applied to an MHIL simulation for vehicle and electric power assisted steering (EPAS) system test. The effectiveness of the method is shown analytically and experimentally.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Rymd- och flygteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Aerospace Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik -- Farkostteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering -- Vehicle Engineering (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Reglerteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Control Engineering (hsv//eng)
Keyword
- Hardware-in-the-loop simulation
- Vehicle and steering system.
- Stability analysis
Publication and Content Type
- art (subject category)
- vet (subject category)
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