Double-Drum Test Bench for Variable Load Transfer Simulation by Electromechanical Inertia Compensation.

Area of Science:

• Automotive Engineering
• Mechanical Engineering
• Control Systems

Background:

• Vehicle performance testing on test benches often lacks real-world road equivalence.
• Accurate simulation of dynamic conditions like inertia and load transfer is crucial for effective testing.

Purpose of the Study:

• To design a double-drum test bench for accurate vehicle performance testing.
• To develop and validate mechanisms for simulating variable adhesion and load transfer.
• To enhance the road equivalence of vehicle test bench simulations.

Main Methods:

• Designed a double-drum test bench system.
• Developed dynamic models for single-wheel and vehicle test benches.
• Analyzed variable adhesion and load transfer mechanisms using variable placement angles.
• Implemented electromechanical inertia compensation for dynamic load simulation.
• Utilized MATLAB/Simulink for system modeling and simulation.
• Conducted Anti-lock Braking System (ABS) performance tests under various adhesion conditions.

Main Results:

• The designed test bench successfully simulated ABS performance under diverse adhesion conditions.
• Electromechanical inertia compensation significantly improved the accuracy of road test equivalence.
• The simulation mechanism was verified as feasible for dynamic load and inertia simulation.

Conclusions:

• The developed double-drum test bench with electromechanical inertia compensation offers improved accuracy and road equivalence for vehicle performance testing.
• This approach can reduce testing costs and accelerate vehicle development cycles.
• The study validates a novel simulation mechanism beneficial to the automotive industry.