1/3/2023 0 Comments Matlab simulink clock![]() ![]() Statistical power grid protection tests, aircraft design and simulation, motor drive controller design methods and space robot integration are a few examples of real-time simulator technology applications. As a consequence, the inclusion of simulation applications in academic curricula can provide great value to the student. Real-time simulators are used extensively in many engineering fields. Real-time simulation in academic curricula You can make design changes earlier in the development process, reducing costs and shortening the design cycle. In simple words, real-time simulation must produce the internal variables and output within the same length of time as its physical counterpart would.Ĭonfiguring models to run in real time enables you to use hardware-in-the-loop simulation to test controllers. If calculation time exceeds the time of the fixed step, an over run is said to have occurred. In a real time simulation the time required to solve the internal state equations and functions representing the system must be less than the fixed step. In a real-time simulation the simulation is performed in a discrete time with constant step also known as fixed step simulation as time moves forward in equal duration of time, other techniques having variable step are used for high frequency transients but are unsuitable for real time simulation. ![]() ![]() 2 Real-time simulation in academic curricula.Several real-time simulator are available on the market like xPC Target and RT-LAB for mechatronic systems and using Simulink, eFPGASIM and eDRIVESIM for power electronic simulation and eMEGASIM, HYPERSIM and RTDS for power grid real-time (RTS) simulation. Computer languages like LabVIEW, VisSim and Simulink allow quick creation of such real-time simulations and have connections to industrial displays and Programmable Logic Controllers via OLE for process control or digital and analog I/O cards. Real-time simulation occurs commonly in computer gaming, but also is important in the industrial market for operator training and off-line controller tuning. For example, if a tank takes 10 minutes to fill in the real world, the simulation would take 10 minutes as well. In other words, the computer model runs at the same rate as the actual physical system. Real-time simulation refers to a computer model of a physical system that can execute at the same rate as actual "wall clock" time. ![]()
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