protected void Clip()
{
if (clip)
{
double vmin = ClipMin.GetValue();
double vmax = ClipMax.GetValue();
double range = vmax - vmin;
if (range < 0.0)
{
log.Error("Trying to clip with a max value " + ClipMax.GetName()
+ " lower than the min value " + ClipMin.GetName());
throw new Exception("JSBSim aborts");
}
if (cyclic_clip && range != 0.0)
{
double value = output - vmin;
output = (value % range) + vmin;
if (output < vmin)
{
output += range;
}
}
else
{
output = MathExt.Constrain(vmin, output, vmax);
}
}
}
/** This function processes the input.
* It calls private functions if needed to perform the hysteresis, lag,
* limiting, etc. functions. */
public override bool Run()
{
input = inputNodes[0].GetDoubleValue();
if (fcs.GetTrimStatus())
{
initialized = false;
}
if (fail_zero)
{
input = 0;
}
if (fail_hardover)
{
input = input < 0.0 ? ClipMin.GetValue() : ClipMax.GetValue();
}
output = input; // Perfect actuator. At this point, if no failures are present
// and no subsequent lag, limiting, etc. is done, the output
// is simply the input. If any further processing is done
// (below) such as lag, rate limiting, hysteresis, etc., then
// the Input will be further processed and the eventual Output
// will be overwritten from this perfect value.
if (fail_stuck)
{
output = PreviousOutput;
}
else
{
if (lag != 0.0)
{
Lag(); // models actuator lag
}
if (rate_limit_incr != null || rate_limit_decr != null)
{
RateLimit(); // limit the actuator rate
}
if (deadband_width != 0.0)
{
Deadband();
}
if (hysteresis_width != 0.0)
{
Hysteresis();
}
if (bias != 0.0)
{
Bias(); // models a finite bias
}
if (delay != 0)
{
Delay(); // Model transport latency
}
}
PreviousOutput = output; // previous value needed for "stuck" malfunction
initialized = true;
Clip();
if (clip)
{
double clipmax = ClipMax.GetValue();
saturated = false;
if (output >= clipmax && clipmax != 0)
{
saturated = true;
}
else
{
double clipmin = ClipMin.GetValue();
if (output <= clipmin && clipmin != 0)
{
saturated = true;
}
}
}
SetOutput();
return(true);
}
