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Simulation of Dynamic Systems with MATLAB and Simulink, 2nd Edition
book

Simulation of Dynamic Systems with MATLAB and Simulink, 2nd Edition

by Harold Klee, Randal Allen
April 2016
Intermediate to advanced content levelIntermediate to advanced
815 pages
31h 29m
English
CRC Press
Content preview from Simulation of Dynamic Systems with MATLAB and Simulink, 2nd Edition
comes to estimating the point in time where the discontinuity function is zero. One approach is
illustrated in Figure 6.57.
The rst step is to t a linear function through the pts (t
i
, f
old
) and (t
i
þT, f
new
), where t
i
, f
old
and f
new
are provided as inputs to ‘‘INTRP.m.’’ The root of the linear function occurs at t
i
þbT,
where
b ¼
f
old
f
old
f
new
(0 < b < 1)(6:319)
The time t
i
þbT can be treated as the pt where the discontinuity function is approximately zero.
However, an i mproved estimate is possible if we determine f
0
, t he value of the discontinuity
function at t
i
þbT, and generate the quadratic function through all three pts, namely, (t
i
, f
old
),
(t
i
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Publisher Resources

ISBN: 9781439836736