

HARDWARE-IN-THE-LOOP (HIL) SIMULATION
Hardware-in-the-loop (HIL) simulation, also known by various acronyms such as HiL, HITL, and HWIL, is a technique that is used in the development and testing of complex real-time embedded systems. HIL simulation provides an effective testing platform by adding the complexity of the process-actuator system, known as a plant, to the test platform.

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Mohd Khairun Nizam B. Mohd Sarmin
Principal Researcher
Ahmad Mumtaz Ali
Manager, Technical Commercialisation
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With the integration of distributed energy resources (DERs), variable renewable energies (vREs) and emerging technologies, power system operations are becoming increasingly complex. To address this complexity, real-time hardware-in-the-loop (HIL) simulation has emerged as a powerful tool that offers accurate modelling capabilities.
Key Features & Benefits
HIL simulation provides accurate models and dynamic scenarios to utilities, assisting in decision-making processes for optimal power system operation.
Utilities can thoroughly test sophisticated control tactics with realistic simulations without risking actual grid instability or jeopardizing security.
Potential Applications
To test controller design. HIL simulation shows how your controller responds in real time to realistic virtual stimulation.
To determine if your physical system (plant) model is valid.
Helps to test the behavior of your control algorithms without physical prototypes.