As a companion to the textbook, Modern Control Systems by Richard C. Dorf and Robert H. Bishop, this supplement provides a set of comprehensive tutorials and exercises utilizing the LabVIEW Control Design and Simulation Module. NI LabVIEW is a graphical and textual language for prototyping real control and signal processing systems enabling a seamless flow from simulation to deployment on real-time control hardware. This text guides students through the process of modeling a system, analyzing the model to build a controller, and validating the robustness of the control system thorough simulation. Its contents and organization mirror the corresponding sections in MCS making it an ideal teaching companion, especially when LabVIEW is being utilized in a corresponding controls laboratory.It is assumed readers will have access to LabVIEW 2010 or later, the Control Design and Simulation Module, and Mathscript RT. With these tools the reader can easily build, simulate, and analyze the examples and problems included in the text. Solution VIs for many of the problems are included for use as a programming reference and can also be used as a starting point for solving more advanced design problems. All of the LabVIEW examples were developed and tested on a PC compatible with LabVIEW Express 2010. The available VIs can be downloaded from http://www.ntspress.com/publications/modern-control-systems-with-labview.For students unfamiliar with LabVIEW, it will be very helpful to have access to the Learning with LabVIEW textbook by Robert H. Bishop, available from Prentice Hall. For readers new to LabVIEW control, a wealth of documentation exists. Please see www.ni.com/academic/controls
Application of the many classical and modern control system design and analysis tools is based on mathematical models. LabVIEW can be used with systems given in the form of transfer function descriptions. We begin this chapter by showing how to use LabVIEW to assist in the analysis of a typical spring-mass-damper mathematical model of a mechanical system. Using a LabVIEW virtual instrument (or VI) we can develop an interactive analysis capability to analyze the effects of natural frequency and damping on the unforced response of the mass displacement. We also discuss transfer functions and block diagrams. In particular, we are interested in how LabVIEW can assist us in manipulating polynomials, computing poles and zeros of transfer functions, computing closed-loop transfer functions, computing block diagram reductions, and computing the response of a system to a unit step input. The chapter concludes with a design example for an electric traction motor control design.
Book Contents
+ Chapter 1: Mathematical Models of Systems
+ Chapter 2: Mathematical Models of Systems
+ Chapter 3: Feedback Control System Characteristics
+ Chapter 4: Performance of Feedback Control Systems
+ Chapter 5: Stability of Linear Feedback Systems
+ Chapter 6: Root Locus Method
+ Chapter 7: Frequency Response Methods
+ Chapter 8: Stability in the Frequency Domain
+ Chapter 9: Design of Feedback Control Systems
+ Chapter 10: Design of State Variable Feedback Systems
+ Chapter 11: Robust Control Systems
+ Chapter 12: Digital Control Systems
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