Active Suspension Control for Improved Ride Comfort and Vehicle Performance Using HHO-Based Type-I and Type-II Fuzzy
Tayfun Abut1, Enver Salkim2,3, Harun Tugal4
1Department of Mechanical Engineering, Mus Alparslan University, 49250 Muş, Türkiye.
Biomimetics (Basel, Switzerland)
|October 28, 2025
Summary
This study enhances vehicle suspension control using active strategies like Type-I and Type-II Fuzzy Logic Control (FLC), optimized by the Harris Hawks Optimization (HHO) algorithm. The new system significantly reduces vibrations, improving ride comfort and vehicle handling compared to passive systems.
Area of Science:
- Automotive Engineering
- Control Systems
- Computational Intelligence
Background:
- Passive vehicle suspension systems struggle to balance ride comfort and handling due to road-induced vibrations.
- Active suspension control offers a promising solution to overcome the limitations of traditional systems.
Purpose of the Study:
- To develop and evaluate advanced active suspension control strategies for enhanced vehicle dynamics and passenger comfort.
- To investigate the efficacy of Type-I and Type-II Fuzzy Logic Control (FLC) optimized by the Harris Hawks Optimization (HHO) algorithm.
Main Methods:
- Design and implementation of Type-I and Type-II Fuzzy Logic Controllers (FLC) for active vehicle suspension.
- Optimization of FLC membership functions using the Harris Hawks Optimization (HHO) algorithm.
- Simulation-based performance evaluation under two distinct road disturbance scenarios.
Main Results:
- Active control strategies significantly outperformed passive suspension in vibration reduction.
- Type-II FLC demonstrated substantial improvements: 54.7% reduction in body displacement and 76.8% in acceleration for the first input; 75.2% and 72.8% for the second.
- Analysis confirmed enhanced ride comfort and vehicle handling, with reduced suspension and tire deflection.
Conclusions:
- Optimized active suspension control, particularly Type-II FLC, offers a superior solution for mitigating vibrations.
- The proposed methods effectively enhance vehicle stability, ride quality, and overall handling performance.
- HHO-optimized FLC presents a viable approach for advanced automotive suspension control systems.
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