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Showing 1 to 20 of 21 for “"Root locus"”.
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Developing root locus stability diagrams using a personal computer
… installation. This paper describes a program (ROOT LOCUS) which was created to fill this need while using the tools and methods readily at hand. It was written for personal computers as these machines are rapidly proving to be cost effective solutions to problems in computing power.
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Transient Analysis of Nonlinear Servomechanisms Using Describing Functions With Root-Locus Techniques
Made available in DSpace on 2014-12-04T21:02:55Z (GMT). No. of bitstreams: 1 0020862.pdf: 21612032 bytes, checksum: 8836b5115f0cc7cbcd98af66225ca98c (MD5) Previous issue date: 1957
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DACS: an interactive computer program to aid in the design and analysis of linear control systems
… Written in compiled basic, DACS includes Root Locus, Bode plots, Nyquist diagrams, Nichols charts, system simulation, and calculates the system time response in closed-form. The state-space description is used in the simulation and time response segments while the system transfer function …
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Optimal passive nonlinear damper design methodology for road race application
… and inertance, identification of mode shapes and root locus analysis. No closed form solution exists for an optimal linear or nonlinear damper which maximizes lateral acceleration. Consequently, numerical analysis is required to solve the problem. Several suspension models ranging from a …
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CSADP, a classical control system analysis and design package
… descriptions; generate Bode, Nyquist, and root-locus plots; and curve-fit frequency response data. The curve-fitting program uses novel data-scanning techniques for conditioning the data, and for predicting the model form and starting parameters. CSADP also allows the user to design …
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Modeling, Analysis,and Design of Responsive Manufacturing Systems Using Classical Control Theory
… dynamics approach. We further introduce the Root Locus design technique that investigates the sensitivity of the closed-loop poles location as they relate to the manufacturing world on a complex s-plane. This subsequent complex plane analysis offers new management strategies to better predict …
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Memristor Based Gain-Varying PI Control for Erbium-Doped Fiber Amplifiers (EDFAs)
… control. Stability analysis, employing the Root Locus method, offers insights into the robustness of the memristor-based PI EDFA control system. The outcomes of this study provide a foundation for more efficient, and cost-effective EDFA control solutions. This research, therefore, not only …
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Proportional-Derivative-Acceleration Feedback Controller Design for Single Axis Attitude Control of Rigid Spacecraft with Flexible Appendages
… The controller is first designed using a root locus method and then applied to a simulated third order system om MATLAB. Then a higher order system model (rigid body with flexible appendage) is created on SIMULINK and the controller is applied to it. Finally, an experiment is performed and …
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Lane departure avoidance system
… driving zone. Also, analysis of the controller’s root locus shows an improvement in the damping factor, implying better system response.
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Evaluation of linear DC motor actuators for control of large space structures
… configuration of the actuator/mast system. Root locus techniques were used to explain changes in the vibrational modes of the structure due to the actuator compensation. Disturbance analysis was performed to quantify the effect of corrupted measurements on the purity of force generated by …
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Predictive Control For Dynamic Systems To Track Unknown Input In The Presence Of Time Delay
… proposed in order to compensate the time delay. Root locus method is applied when designing the controller, parameter setting is carried out through error and trail technique in w-plane. State space equation is derived for the system, with special state chose of tracking error. To analyze the …
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Stability Analysis of a High-Power Microgrid
… under different conditions is examined using the root locus analysis technique and the theoretical analysis is validated through MATLAB/SimulinkTM simulations. The results from this analysis are then used to develop general guidelines to avoid resonance and stability issues when connecting power …
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Advanced Modelling of Helicopter Nonlinear Dynamics and Aerodynamics
… and validated by using modal analysis and root locus methodology. Vibrations originated at the main rotor are simulated and their effects on the fuselage are examined by a Short Time Fourier transformation. The aerodynamic model uses blade element theory on the main-tail rotors. Hover, …
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Towards improving the Statscan X-ray image quality through sliding mode control of the C-arm
… were designed for fair comparison purposes. Root locus, Bode diagrams and integral sliding mode control methods, respectively, were used to design the P-PI and P-ISMC controller groups. Each controller consists of an inner loop and an outer position loop. Proportional integral (PI) and …
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A novel hydromechatronics system towards: micro-independent metering.
… to friction, while increasing the resolution. Root Locus Analysis (RLA) was used to study valve stability and the performance limitations. The RLA demonstrated the effect of key parameters on the valve operation. For example, the study show that the valve starts losing stability when the …
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Transonic aeroelastic analysis of systems with structural nonlinearities
… this equation using the classical U-g method and root locus analysis. Flutter analysis of a two degree-of-freedom , two-dimensional typical wing sections with nonlinear torsional springs are studied. The aeroelastic responses of the system are obtained by integrating the nonlinear structural terms …
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High Fidelity Modelling of Motorcycle Dynamics
… analysed by applying various test functions and root locus analysis was carried out to investigate the system modes. The utility of the model for motorcycle development and set-up was investigated and a method was developed whereby motorcycle parameters may be optimised with respect to certain …
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Nonlinear adaptation of established linear and predictive control laws through safe reinforcement learning
… of failure were explained using qualitative root-locus arguments that establish a relationship between closed-loop poles and open-loop zeros. Multivariable zeros in the right-half plane or close to the origin were shown to introduce a significant risk of closed-loop instability under RL …
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Control de minicentrales hidroeléctricas fluyentes : modelado y estabilidad
… modifies the wicket gates of the turbine. The root locus technique, widely used in classical control theory, allows the establishment of an a priori relation between the controller gains and the oscillations appearing in plant response. The proposed gains allow the minimisation of the …
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