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Design Methods
Published in William S. Levine, Control System Fundamentals, 2019
Jiann-Shiou Yang, William S. Levine, Richard C. Dorf, Robert H. Bishop, John J. D’Azzo, Constantine H. Houpis, Åström Karl J., Tore Hägglund, Katsuhiko Ogata, Richard D. Braatz, Z.J. Palmor
The peak time is the time required for the response to reach the first (or maximum) peak. The settling time is defined as the time required for the response to settle to within a certain percent of its final value. Typical percentage values used are 2% and 5%. The settling time is related to the largest time constant of the controlled system. The delay time is the time required for the response to reach half of its final value for the very first time. The percent overshoot represents the amount that the response overshoots its steady-state (or final) value at the peak time, expressed as a percentage of the steady-state value. Figure 10.1 shows a typical unit step response of a second-order system G(s)=ωn2s2+2ζωns+ωn2
Design Methods
Published in William S. Levine, The Control Handbook: Control System Fundamentals, 2017
Jiann-Shiou Yang, William S. Levine, Richard C. Dorf, Robert H. Bishop, John J. D’Azzo, Constantine H. Houpis, Karl J. Åström, Tore Hägglund, Katsuhiko Ogata, Masako Kishida, Richard D. Braatz, Z. J. Palmor, Mario E. Salgado, Graham C. Goodwin
The peak time is the time required for the response to reach the first (or maximum) peak. The settling time is defined as the time required for the response to settle to within a certain percent of its final value. Typical percentage values used are 2% and 5%. The settling time is related to the largest time constant of the controlled system. The delay time is the time required for the response to reach half of its final value for the very first time. The percent overshoot represents the amount that the response overshoots its steady-state (or final) value at the peak time, expressed as a percentage of the steady-state value. Figure 9.1 shows a typical unit step response of a second-order system
Dynamics and Control
Published in David D. Ardayfio, Fundamentals of Robotics, 2020
In manipulator motions, overshoot is not permissable in the step input response. In insertion operations, for instance, overhsoot would cause the manipulator hand to travel beyond the required location. Overshoot is eliminated by choosing the damping factor to reduce the system to an overdamped second order.
A novel observer design for friction estimation
Published in International Journal of Control, 2023
Note that integral gain is proportional to bandwidth cube; as a result, large values may lead to large overshoots. Therefore, as an option, one can employ a pre-filter to mitigate the overshoot. In this case, steady-state performance may also be improved, although settling time is affected negatively. Typically, it is chosen to cancel the fastest negative real axis zero of the closed loop system (Taşdelen & Özbay, 2013). Hence, transfer function of such filter can be obtained as Consequently, the overall position control system can be portrayed as in Figure 1.
Sizing and modelling of photovoltaic water pumping system
Published in International Journal of Sustainable Energy, 2018
A. Al-Badi, H. Yousef, T. Al Mahmoudi, M. Al-Shammaki, A. Al-Abri, A. Al-Hinai
Simulation results of both the DC- and AC-powered solar pumping systems are compared in terms of the maximum overshoot and settling time of the voltage and flow rate. The maximum overshoot is defined as the maximum deviation of the signal from its steady-state value. The settling time is defined as the time at which the signal reaches 98% of its steady-state value. The comparison is given in Table 5.