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  1. Regensteiner

    How to calculate maximum error?

    Hi, I am wondering how I can calculate the maximum error of a measurement chain. If I have a voltage transducer with a accuracy of +-1%, which is wired to analogue input of a PLC (12 bit), what's the error of it? The output of the transducer is 0-10V so as the input. Cheers, Lars
  2. Regensteiner

    Simulink: How to optimise simulation model for annual simulation?

    Hi, I am working with simple energy model composed of a PV, loads and battery. The model is fed by measured data (sample rate one minute). The battery model (input AC power set-point, output AC power) was tested separately and it includes a power control algorithm (PI) and max. voltage control...
  3. Regensteiner

    parameter estimation of heat energy balance by using lsqcurvefit

    Hi, I have the following problem and maybe someone can give me a clue how to solve it. I have collected data (Temperature, Q_gen, Ambient temperature) of a heating process and now I want to estimate some parameters in order to solve the energy balance. This is the energy balance: internal...
  4. Regensteiner

    Control of Process with dominant deadtime ---> Step response test parameter estimation

    Hi, I'm a newbie using matlab and to deal with system identification. But as it happend I have to tune a PI Controller for a process. So I thought a open loop test like a step response test is sufficient. I carried out the following test: set the control signal to a fixed value and see what...
  5. Regensteiner

    Implementing Area Method: Step Response Test

    Hi, I'm a newbie using matlab and to deal with system identification. But as it happend I have to tune a PI Controller for a process. So I thought a open loop test like a step response test is sufficient. I carried out the following test: set the control signal to a fixed value and see what...

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