Feedforward control was not widely used in the process industries until the 1960s. However, the basic concept is much older and was applied as early as 1925 in the three-element level control system for boiler drums. We will use this control application to illustrate the use of feedforward ...
Process ControlBioprocessFermentation process is widely used in industries to produce biofuels, beverages, foods and medicines. As example, ethanol is obtained via corn syrup fermentation by Saccharomyces cerevisae, a bioprocess that is thermal sensitive and requires temperature control to maintain ...
Feedforward control is a type of control system that directly addresses disturbances by measuring them online and determining the necessary control input based on a model, allowing for immediate reaction to disturbances without waiting for a system response. ...
In industrial applications, a feedforward controller can similarly minimize the effects of a disturbance, but only if the disturbance can be measured or calculatedbeforeit affects the process variable. A classic example is a steam distribution system where a central boiler provides steam at a constan...
2019, IEEE Transactions on Control Systems Technology Robust inversion-based 2-DOF control design for output tracking: Piezoelectric-actuator example 2009, IEEE Transactions on Control Systems Technology Multidimensional feedforward compensator for industrial systems through pole assignment regulator and observer...
The control authority was restricted because the amplitude was limited at the actuating point. In addition to these results, the paper also discusses the significance of sufficient damping when applying a feedforward compensation system. An example shows how modelling errors may lead to an unstable ...
In addition, control system engineers can use this example to design control algorithms for a given set of motor parameter data to achieve high levels of accuracy in tracking and controlling speed and torque as well as to meet efficiency requirements, especially for high-performance motors. PMSM ...
Use this example to replicate and run a finite element analysis (FEA) based nonlinear, high-fidelity synchronous reluctance motor in simulation. This example helps motor design engineers to simulate high-performance motors in real-world motor control applications. In addition, control system engineers ...
The feedforward gain (Kff) is set to obtain the required control action for a given disturbance. For example, it controls the ratio of steam flow to process flow in the example used previously. The lead and lag time constants are set to get the right timing for the control action. The ...
Secondly, the dissertation addressed the adverse effect of modeling error on the performance of feedforward control. For example, modeling errors can 展开 关键词: Mechanical engineering Feedforward control approach to precision trajectory design and tracking| Theory and application to nano-mechanical ...