University of Pretoria
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Sum of sliding variable squared for increasing SMC gain of the 32 system combinations.jpg (125.25 kB)
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The best performing zeta weightings per Group A-H .jpg (63.41 kB)
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The DLC path on a rough road for the integrated SC systems.jpg (76.2 kB)
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The DLC path on a rough road for the stand-alone SC systems.jpg (82.16 kB)
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The DLC path on a smooth road for the integrated SC systems.jpg (70.02 kB)
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The DLC path on a smooth road for the stand-alone SC systems.jpg (81.74 kB)
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A summary of the system combination numbers which comprise the stand-alone and integrated systems.jpg (84.99 kB)
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Active rear steering (ARS) control layer block diagram.jpg (64.08 kB)
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Active rear steering (ARS) emulating block diagram.jpg (28.39 kB)
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Active rear steering (ARS) linear actuator emulating block diagram.jpg (44.08 kB)
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Decision layer block diagram.jpg (91.57 kB)
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Integrated chassis controller (ICC) block diagram.jpg (267.9 kB)
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Integrated chassis controller (ICC) decision layer configurations.jpg (66.65 kB)
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Physical brake emulating block diagram.jpg (36.53 kB)
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Radar plots for different integrated stability control (SC) configurations.jpg (125.53 kB)
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Radar plots of sub-system performance normalized for different variables.jpg (195.58 kB)
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Rear differential braking (RDB) control layer block diagram.jpg (68.58 kB)
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Sliding mode controller (SMC) gains for different systems based on minimum cost function (q) output.jpg (128.76 kB)
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Off-road vehicle integrated chassis control

figure
posted on 2023-03-02, 07:59 authored by Simon ScholtzSimon Scholtz

The data describes the design of stand-alone and integrated stability controllers using a sliding mode controller.  Lateral displacement plots are presented of an off-road vehicle being controlled by the various control systems on both a smooth and rough road. The maneavre performed is a double lane change, which is an emergency lane change whereby the vehicle quickly swerves to the adjacent lane and back in order to avoid an “obstacle” in the road.

History

Department/Unit

Mechanical and Aeronautical Engineering