Apps by Kröber

control loop 1.0

FREE
The APP is based on a PT2 system with dead time and a PI controller. With the parameters a Bode diagram is created, and, alternatively, a simulation is performed in the time domain. Explanation: BODE: With the given values a Bode diagram is drawn...

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vibration tamper 1.0

FREE
The APP displays an animation the behavior of a vibrating tamper when running on a on a firm base. Through vertical wiping actions the speed of the animation can be changed. The interaction of the individual masses and springs, fanned by the crank...

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pro acoustic frequencies 1.2

PAID
PRO-VERSION: The APP captures the acoustic pressure by the internal microphone in function of time. The sampling frequency is always 8000 Hz. Buttons arranged on the top: Low: Low frequency resolution, for fast response frequency resolution approx....

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vibration plate 1.0

FREE
The APP displays an animation of the behavior of a vibration plate when running on a solid ground. Through horizontal wiping actions the driving speed (forwards and backwards) can be changed. Through vertical wiping actions the speed of the animation...

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reverberation time 1.1

PAID
With this app, the reverberation time of a room can be measured. The reverberation time is an acoustic parameter for the reverberation of a room. To measure the drop in sound pressure level is measured after a short loud noise (pop a bag or clap your...

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