By Edward W Kamen
Read or Download Introduction to industrial controls and manufacturing PDF
Best engineering & transportation books
Quantity 14A is an integral reference for production, fabrics, and layout engineers. It presents finished insurance and crucial technical details at the process-design relationships which are had to decide upon and keep an eye on metalworking operations that produce shapes from forging, extrusion, drawing, and rolling operations.
Track/Train Dynamics and layout: complex ideas reports the development that has been made within the improvement and purposes of complex analytical ideas for bettering the dynamic balance, defense, and reliability of present iteration rail freight automobile parts and tune buildings. themes coated variety from structural mechanics and tension research ways to and fabric technological know-how recommendations for the prediction of fracture and put on in railroad functions.
This ebook describes warmth treating know-how in transparent, concise, and nontheoretical language. it's an outstanding creation and consultant for layout and production engineers, technicians, scholars, and others who have to comprehend why warmth therapy is distinctive and the way various strategies are used to procure wanted houses.
- Vibration of Mechanical Systems, 1st Edition
- Recurrent neural networks : design and applications
- ACI 318-11: Building Code Requirements for Structural Concrete and Commentary (318-11)
- Fundamentals of Compressible Fluid Mechanics, Edition: free web version
- Spreadsheet Tools for Engineers Using Excel ® 2007 (General Engineering)
Additional info for Introduction to industrial controls and manufacturing
We pursue this by beginning with a first-order process. PI C o n t r o l of a F i r s t - O r d e r P r o c e s s Suppose the process has the first-order transfer function Gp(s) = b/(s+a), where a and b are constants. 16) we see that the closed-loop transfer function has a zero at s = -KI/Kp, and it has two poles. 16) that the two poles 55 PI Controller of Gct(S) can be placed wherever desired in the OLHP by choosing the controller gains Kp and K1. In particular, suppose that we want the closed-loop poles to be s = -pl and s = -p2.
Ff a sensor for measuring the output is not available, it is necessary to generate the derivative of the output in order to implement a PID controller. 23) and Gp(s) is the transfer function of the motor. 24) we see that the coefficients of s 2, s, and s o in the denominator of Gcl(S) can be chosen to have any desired values by selecting the controller gains Kp, KI, and KD, and thus all three poles of the closed-loop transfer function can be placed anywhere we wish. 5).
13), when 0 < ~ < 1 the transient part of the step response contains sinusoidal terms that can cause an overshoot in the step response. , when 0 s ~ < 1). In the underdamped case, the two poles of G(s) are complex. 14) Ys~C~ n + COd where COd is the damped natural frequency given by COd = COn~Jl - ~2. 14) that when 0 s ~ < 1, the poles of G(s) are a complex conjugate pair with the values s = -~co, +flOd and s = -~o~, -jcod, where j-- ~/-1. 15) COd where again it is assumed that 0 ~ ~ < 1. 18), we can determine the parameters ~ and o~, from the peak time tp and the settling time ts.