towing: replace 3 JSBSim-forces with one direction with 1 force and 3 directions
This commit is contained in:
D-NXKT
Gijs de Rooy
parent
70ba8b931e
commit
dd8f8f8c8a
1 changed files with 43 additions and 58 deletions
|
|
@ -44,45 +44,19 @@
|
|||
# (x points to the tail, y points to the right wing, z points upwards). Be careful! This
|
||||
# coordinates don't appear in the property tree. You can only check them with test flights!
|
||||
# The visible towrope is NOT an indicator of correct settings!
|
||||
# Unit must be "LBS", frame must be "BODY". The force name is arbitrary but MUST end with "_x", "_y","_z", respectively.
|
||||
# Unit must be "LBS", frame must be "BODY". The force name is arbitrary.
|
||||
#
|
||||
# <external_reactions>
|
||||
# <force name="hitch_x" frame="BODY" unit="LBS" >
|
||||
# <force name="hitch" frame="BODY" unit="LBS" >
|
||||
# <location unit="M">
|
||||
# <x>3.65</x>
|
||||
# <y> 0.0</y>
|
||||
# <z>-0.12</z>
|
||||
# </location>
|
||||
# <direction>
|
||||
# <x> 1.0</x>
|
||||
# <y> 0.0</y>
|
||||
# <z> 0.0</z>
|
||||
# </direction>
|
||||
# </force>
|
||||
#
|
||||
# <force name="hitch_y" frame="BODY" unit="LBS" >
|
||||
# <location unit="M">
|
||||
# <x>3.65</x>
|
||||
# <y> 0.0</y>
|
||||
# <z>-0.12</z>
|
||||
# </location>
|
||||
# <direction>
|
||||
# <x> 0.0</x>
|
||||
# <y> 1.0</y>
|
||||
# <z> 0.0</z>
|
||||
# </direction>
|
||||
# </force>
|
||||
#
|
||||
# <force name="hitch_z" frame="BODY" unit="LBS" >
|
||||
# <location unit="M">
|
||||
# <x>3.65</x>
|
||||
# <y> 0.0</y>
|
||||
# <z>-0.12</z>
|
||||
# </location>
|
||||
# <direction>
|
||||
# <x> 0.0</x>
|
||||
# <y> 0.0</y>
|
||||
# <z> 1.0</z>
|
||||
# <x>0.0</x>
|
||||
# <y>0.0</y>
|
||||
# <z>0.0</z>
|
||||
# </direction>
|
||||
# </force>
|
||||
# </external_reactions>
|
||||
|
|
@ -156,7 +130,7 @@
|
|||
#<sim>
|
||||
# <hitches>
|
||||
# <aerotow>
|
||||
# <basename_force_jsbsim type="string">hitch</basename_force_jsbsim>
|
||||
# <force_name_jsbsim type="string">hitch</force_name_jsbsim>
|
||||
# <local-pos-x type="float">1.5</local-pos-x>
|
||||
# <local-pos-y type="float"> 0.00</local-pos-y>
|
||||
# <local-pos-z type="float">-0.3</local-pos-z>
|
||||
|
|
@ -164,7 +138,7 @@
|
|||
# <mp-auto-connect-period type="float">0.0</mp-auto-connect-period>
|
||||
# </aerotow>
|
||||
# <winch>
|
||||
# <basename_force_jsbsim type="string">hitch</basename_force_jsbsim>
|
||||
# <force_name_jsbsim type="string">hitch</force_name_jsbsim>
|
||||
# <local-pos-x type="float">0.0</local-pos-x>
|
||||
# <local-pos-y type="float">0.0</local-pos-y>
|
||||
# <local-pos-z type="float">0.0</local-pos-z>
|
||||
|
|
@ -172,7 +146,7 @@
|
|||
# </hitches>
|
||||
#</sim>
|
||||
#
|
||||
# "basename_force_jsbsim" must be the external force name in JSBSim but without the ending "_x", "_y", "_z".
|
||||
# "force_name_jsbsim" must be the external force name in JSBSim.
|
||||
#
|
||||
# IMPORTANT:
|
||||
# JSBSim doesn't provide the hitch coordinates in the property tree. Hence you must set them again to get a
|
||||
|
|
@ -205,11 +179,13 @@
|
|||
# <max-power-kW type="float">100.</max-power-kW>
|
||||
# <max-spool-speed-m-s type="float">15.</max-spool-speed-m-s>
|
||||
# <max-unspool-speed-m-s type="float">20.</max-unspool-speed-m-s>
|
||||
# <spool-acceleration-m-s-s type="float">8.</spool-acceleration-m-s-s>
|
||||
# <rel-speed alias="/sim/hitches/winch/winch/actual-spool-speed-m-s"/>
|
||||
# </winch>
|
||||
# <tow>
|
||||
# <break-force type="float">10000</break-force>
|
||||
# <elastic-constant type="float">40000</elastic-constant>
|
||||
# <weight-per-m-kg-m type="float">0.01</weight-per-m-kg-m>
|
||||
# </tow>
|
||||
# <rope>
|
||||
# <rope-diameter-mm type="float">40</rope-diameter-mm>
|
||||
|
|
@ -335,8 +311,8 @@
|
|||
|
||||
# new properties for JSBSim aerotow
|
||||
if ( getprop("sim/flight-model") == "jsb" ) {
|
||||
if (props.globals.getNode("sim/hitches/aerotow/basename_force_jsbsim") == nil )
|
||||
props.globals.getNode("sim/hitches/aerotow/basename_force_jsbsim", 1).setValue("hitch");
|
||||
if (props.globals.getNode("sim/hitches/aerotow/force_name_jsbsim") == nil )
|
||||
props.globals.getNode("sim/hitches/aerotow/force_name_jsbsim", 1).setValue("hitch");
|
||||
if (props.globals.getNode("sim/hitches/aerotow/mp_oldOpen") == nil )
|
||||
props.globals.getNode("sim/hitches/aerotow/mp_oldOpen", 1).setBoolValue(1);
|
||||
if (props.globals.getNode("sim/hitches/aerotow/tow/mp_last_reporded_dist") == nil )
|
||||
|
|
@ -388,8 +364,8 @@
|
|||
|
||||
# new properties for JSBSim winch
|
||||
if ( getprop("sim/flight-model") == "jsb" ) {
|
||||
if (props.globals.getNode("sim/hitches/winch/basename_force_jsbsim") == nil )
|
||||
props.globals.getNode("sim/hitches/winch/basename_force_jsbsim", 1).setValue("hitch");
|
||||
if (props.globals.getNode("sim/hitches/winch/force_name_jsbsim") == nil )
|
||||
props.globals.getNode("sim/hitches/winch/force_name_jsbsim", 1).setValue("hitch");
|
||||
if (props.globals.getNode("sim/hitches/winch/automatic-release-angle-deg") == nil )
|
||||
props.globals.getNode("sim/hitches/winch/automatic-release-angle-deg", 1).setValue(361.);
|
||||
if (props.globals.getNode("sim/hitches/winch/winch/clutched") == nil )
|
||||
|
|
@ -879,10 +855,13 @@ var aerotow = func (open){
|
|||
#var forcetow = forcetow_N; # we deliver N to JSBSim
|
||||
var forcetow = forcetow_LBS; # we deliver LBS to JSBSim
|
||||
|
||||
# calculate unit vector of force direction in JSBSim-system
|
||||
var force = 1;
|
||||
|
||||
# global forces: alpha beta
|
||||
var fglobalx = forcetow * cosa * cosb;
|
||||
var fglobaly = forcetow * cosa * sinb;
|
||||
var fglobalz = forcetow * sina;
|
||||
var fglobalx = force * cosa * cosb;
|
||||
var fglobaly = force * cosa * sinb;
|
||||
var fglobalz = force * sina;
|
||||
|
||||
# local forces by pitch: gamma
|
||||
var flpitchx = fglobalx * cosg - fglobalz * sing;
|
||||
|
|
@ -902,10 +881,11 @@ var aerotow = func (open){
|
|||
|
||||
# JSBSim-body-frame: x-> nose / y -> right wing / z -> down
|
||||
# apply forces to hook (forces are in LBS or N see above)
|
||||
var hitchname = getprop("sim/hitches/aerotow/basename_force_jsbsim");
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_x/magnitude", forcex);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_y/magnitude", forcey);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_z/magnitude", forcez);
|
||||
var hitchname = getprop("sim/hitches/aerotow/force_name_jsbsim");
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/magnitude", forcetow);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/x", forcex);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/y", forcey);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/z", forcez);
|
||||
|
||||
} # end force < break force
|
||||
else { # rope is broken
|
||||
|
|
@ -1164,10 +1144,13 @@ var winch = func (open){
|
|||
#var forcetow = forcetow_N; # we deliver N to JSBSim
|
||||
var forcetow = forcetow_LBS; # we deliver LBS to JSBSim
|
||||
|
||||
# calculate unit vector of force direction in JSBSim-system
|
||||
var force = 1;
|
||||
|
||||
# global forces: alpha beta
|
||||
var fglobalx = forcetow * cosa * cosb;
|
||||
var fglobaly = forcetow * cosa * sinb;
|
||||
var fglobalz = forcetow * sina;
|
||||
var fglobalx = force * cosa * cosb;
|
||||
var fglobaly = force * cosa * sinb;
|
||||
var fglobalz = force * sina;
|
||||
|
||||
# local forces by pitch: gamma
|
||||
var flpitchx = fglobalx * cosg - fglobalz * sing;
|
||||
|
|
@ -1187,10 +1170,11 @@ var winch = func (open){
|
|||
|
||||
# JSBSim-body-frame: x-> nose / y -> right wing / z -> down
|
||||
# apply forces to hook (forces are in LBS or N see above)
|
||||
var hitchname = getprop("sim/hitches/winch/basename_force_jsbsim");
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_x/magnitude", forcex);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_y/magnitude", forcey);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_z/magnitude", forcez);
|
||||
var hitchname = getprop("sim/hitches/winch/force_name_jsbsim");
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/magnitude", forcetow);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/x", forcex );
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/y", forcey );
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/z", forcez );
|
||||
|
||||
# check, if auto-release condition is reached
|
||||
var rope_angle_deg = math.atan2(forcez , forcex ) * RAD2DEG;
|
||||
|
|
@ -1302,10 +1286,11 @@ var releaseHitch = func (device){
|
|||
|
||||
setprop("sim/hitches/" ~ device ~ "/open", "true");
|
||||
|
||||
var hitchname = getprop("sim/hitches/" ~ device ~ "/basename_force_jsbsim");
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_x/magnitude", 0.);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_y/magnitude", 0.);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "_z/magnitude", 0.);
|
||||
var hitchname = getprop("sim/hitches/" ~ device ~ "/force_name_jsbsim");
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/magnitude", 0.);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/x", 0.);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/y", 0.);
|
||||
setprop("fdm/jsbsim/external_reactions/" ~ hitchname ~ "/z", 0.);
|
||||
|
||||
if ( device == "aerotow" ) {
|
||||
setprop("sim/hitches/aerotow/tow/end-force-x", 0.); # MP tow-end forces
|
||||
|
|
|
|||
Loading…
Reference in a new issue