On Sunday 11 February 2007 00:29, gh.robin wrote: > I have settled Heading Bug =180 > autopilot does not work (crazy) > > I get messages > here an extract > > .................................. > Updating Heading Bug Hold (DG based) Stage 2 Ts 0.0166667 > input = -0.128936 ref = 0 > ep_n = 0.128936 ep_n_1 = 0.129309 e_n = 0.128936 ed_n = 0.128936 Tf = > 1e-06 edf_n = 0.128936 delta_u_n = -1.58609e-05 > P:-3.73499e-05 I:2.14893e-05 D:-2.32856e-10 > output = 0.000653603 > Updating Heading Bug Hold (DG based) Stage 2 Ts 0.0166667 > input = -0.12854 ref = 0 > ep_n = 0.12854 ep_n_1 = 0.128936 e_n = 0.12854 ed_n = 0.12854 Tf = 1e-06 > edf_n = 0.12854 delta_u_n = -1.81036e-05 > P:-3.95257e-05 I:2.14234e-05 D:-1.30541e-09 > output = 0.000635499 > ..............................................
The autopilot is holding the wings level, right. I think characterizing this as "crazy" is very misleading. One might think that it was turning left and right. > And after reloading autopilot > autopilot works > > I get messages > Here an extract > .................................. > > Updating Heading Bug Hold (DG based) Stage 1 Ts 0.0166667 > input = -86.2699 ref = 0 > ep_n = 86.2699 ep_n_1 = 86.3099 e_n = 86.2699 ed_n = 86.2699 Tf = 1e-06 > edf_n = 86.2699 delta_u_n = -0.103803 > P:0.0399801 I:-0.143783 D:1.29082e-08 > min saturation > output = -20 > Updating Heading Bug Hold (DG based) Stage 2 Ts 0.0166667 > input = -17.7823 ref = -20 > ep_n = -2.21771 ep_n_1 = -2.22147 e_n = -2.21771 ed_n = 17.7823 Tf = > 1e-06 edf_n = 17.7823 delta_u_n = 6.21317e-06 > P:0.000375831 I:-0.000369619 D:9.22063e-10 > output = -0.00492783 > ....................................................... > > > I can notice with the first example (before reload) only stage2 gives > messages > > With second example (after reload) with autopilot working i do have both > stage1 and stage2 It looks like the stage 1 controller fails to initialize at startup. Is this consistent, or are you, like Lee was, seeing some randomness in what controllers aren't working before autopilot reload? > > If you are getting crazy inputs and outputs, you should run fgfs in a > > debugger like ddd and step through the FGPIDController::update() method > > in source/src/Autopilot/xmlauto.cxx to see what is going on. > > Because i am not developer , i will not be able to do it Sure you can! ;-) -- Roy Vegard Ovesen ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier. Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Flightgear-devel mailing list Flightgear-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/flightgear-devel
