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Test Approaches Along the Design Lifecycle
EV HIL OVERVIEW AND CHALLENGES
PURE SOFTWARE TESTING
Software in
the Loop
Signal Level
Hardware in the Loop (HIL)
Field Test
Power
Level HIL
Model in
the Loop
PURE PHYSICAL TESTING
Design World
Simulators/Emulators Lab/Test Cell/Track Controlled Testing Real World Trials
REALISM
FLEXIBILITY
Higher fidelity but more expensive
and time consuming
Lower cost, faster, less dependencies,
but lower fidelity and introduces
simulation/emulation complexity
Test Cell
(Physical Testing)
Confidently Test Earlier in the Development Cycle
Increasing ability to choose scenarios
Flexibility to test different technology
Less dependence on real system availability
Accelerate test (faster than real time)
GOAL
INCREASING COST, RISK,
TIME TO FIX, AND EFFORT
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