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Before the new product prototype hardware is available simulation is used to complete the design, and work out the kinks in the device. With the introduction of cloud computing simulation has also gotten on board in the test and measurement industry. Considering the fact that development teams for any given product are located all over the world, connecting the puzzle pieces in a virtual environment BEFORE the product is whole allows designers to catch potential problems and fix them, complete design issues, etc. There is no reason why you can't have a simulated part talk to a prototype part of a real world system. Also, when developers are using SCPI capable test gear, the gear itself may operate in a simulated fashion. This is important where several developers share a common expensive test equipment. So in absence of the test gear, the test system may still be able to function albeit in a lower scale capacity.
Tags: Simulation
Simulation is checking the logical aspects of the developed system / software & modeling is the back-end development of these system/softwares & files/rules/protocols to which are used in design & verification (logical as well as functional), more realistic is the realistic parameters which matches closely with actual run time environment, more will be the accuracy/precision of simulation/validation results (in short the coverage of functionalities, features & combinations of various real time possibilities/scenarios, matters a lot to reduce the failures after manufacturing of system), different models can are developed as libraries to simulate various real time scenarios/possibilities/features & can be used for practicing/training or actual validation of products as well. So, simulation & modeling both are used by developers of technology & simulation is not necessarily used only by developers, may also, be used by technicians, operators, users who works on higher level of abstraction of concerned systems.
Tags: Simulation, Modeling
I started more than 20 years ago using Simulation software connected to PLC's to "Emulate" a system in real-time and use it to verify the PLC code and electro-mechanical design of automation systems used in the manufacturing industry.
Since that time, the term 'Emulation for Logic Validation', also referred to as "Virtual Commissioning", has been to used to differentiate between Simulation and Emulation.
Although a simulation and an Emulation may look to all intents and purposes the same, and may be built largely with the same building blocks or models, there are significant differences in usage and operation.
Simulation models are used to test and develop different solutions in order to arrive at a best solution, based on an accepted set of pre-defined metrics.
Emulation models are not used for experimentation in the same way that simulation models are; they are unsuited to this function as they often execute only in real time.
Since that time, the term 'Emulation for Logic Validation', also referred to as "Virtual Commissioning", has been to used to differentiate between Simulation and Emulation.
Although a simulation and an Emulation may look to all intents and purposes the same, and may be built largely with the same building blocks or models, there are significant differences in usage and operation.
Simulation models are used to test and develop different solutions in order to arrive at a best solution, based on an accepted set of pre-defined metrics.
Emulation models are not used for experimentation in the same way that simulation models are; they are unsuited to this function as they often execute only in real time.
Tags: Simulation, Definition