Karol Kyslan

5 Questions 4 Answers 0 Followers

Questions related from Karol Kyslan

Can discretization method change non-observable system to became an observable one?

Is it theoretically possible, that after discretization by using Talyor Series Expansion, a non-observable nonlinear system will became an observable? It was proved, that used continuous model of...

16 May 2020 3,919 5 View

How to measure and evaluate efficiency of electrical drive?

How can I evaluate efficiency of a H-bridge driven DC machine under different control methods? I can measure input voltage and current of H-bridge and output speed and torque produced on the shaft...

25 June 2016 3,523 2 View

Reviewer: "The conclusions seem to be descriptive". What does it mean?

We have obtained reviewers' comments for a paper concerning novel control structure for position tracking in the area of electrical drives. One of the reviewers' comment was: "The conclusions...

21 March 2016 6,835 6 View

Is there an equation what describes a relationship between the undamped natural frequency and a bandwidth of this system?

I have following 2nd order system: (2*d*w0*s+w0^2)/(s^2+2*d*w0*s+w0^2) where "w0" is the undamped natural frequency and "d" is the damping. Is there an equation what describes a relationship...

19 January 2016 3,573 5 View

Does Extended / Unscented Kalman Filter work for Speed Sensorless Control of PMSM implemented in dq coordinate frame?

Dear colleagues, the majority of EKF/UKF implementations for speed sensorless control of PMSM are in alpha,beta frame (i.e. observer is implemented in stationary frame). I wonder why? Equations...

01 January 1970 6,875 2 View