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The mechanical Hardware-in-the-Loop (mHIL) Steer solution combines a computational full-vehicle model with a physical steering test system and specimen to create a vehicle-level simulation environment that enables steer development engineers to benchmark, characterize, set-up, tune, and validate electric and hydraulic power steering systems at the sub-system and vehicle levels.
mHIL techniques compress vehicle development schedules by enabling meaningful evaluation and validation subsystems and vehicles earlier in development - well before the availability of vehicle prototypes
Reduces the number of vehicle prototypes required, minimizes instrumentation and data acquisition costs and streamlines final proving ground validation
Real components can be substituted for difficult-to-model components when performing virtual simulations, enhancing characterization and improving model development
Expected and unexpected fault conditions more easily detected and safely evaluated in a laboratory environment
The steering test system applies loads and/or displacements to the mechanical steer hardware based on inputs from the vehicle simulation model, measures the hardware response, and then sends these responses back to the vehicle simulation model. The mechanical hardware is included “in the loop” with the simulated vehicle.
The advantages of using the MTS mHIL Hybrid Simulation technique in the vehicle development process include:
