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ladybird_kit_indi_bart.xml
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ladybird_kit_indi_bart.xml
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<!-- this is a LadyBird quadrotor frame equiped with Lisa/S 1.0 -->
<!-- The LadyBird frame comes with four brushed motors in an X configuration. -->
<!--
The motor and rotor configuration is the following:
Front
^
|
Motor3(NW) Motor0(NE)
CW CCW
\ /
,___,
| |
| |
|___|
/ \
CCW CW
Motor2(SW) Motor1(SE)
The Lisa/S is rotated by 13deg CCW against the frame.
-->
<!--
Applicable configuration:
airframe="airframes/examples/ladybird_lisa_s.xml"
radio="radios/cockpitSX.xml"
telemetry="telemetry/default_rotorcraft.xml"
flight_plan="flight_plans/rotorcraft_basic.xml"
settings="settings/rotorcraft_basic.xml settings/control/rotorcraft_guidance.xml settings/control/stabilization_att_int.xml settings/control/stabilization_rate.xml"
-->
<airframe name="quadrotor_lisa_s">
<servos driver="Pwm">
<servo name="NE" no="0" min="0" neutral="50" max="1000"/>
<servo name="SE" no="1" min="0" neutral="50" max="1000"/>
<servo name="SW" no="2" min="0" neutral="50" max="1000"/>
<servo name="NW" no="3" min="0" neutral="50" max="1000"/>
</servos>
<commands>
<axis name="PITCH" failsafe_value="0"/>
<axis name="ROLL" failsafe_value="0"/>
<axis name="YAW" failsafe_value="0"/>
<axis name="THRUST" failsafe_value="0"/>
</commands>
<command_laws>
<call fun="motor_mixing_run(autopilot_motors_on,FALSE,values)"/>
<set servo="NE" value="motor_mixing.commands[0]"/>
<set servo="SE" value="motor_mixing.commands[1]"/>
<set servo="SW" value="motor_mixing.commands[2]"/>
<set servo="NW" value="motor_mixing.commands[3]"/>
</command_laws>
<section name="MIXING" prefix="MOTOR_MIXING_">
<define name="TRIM_ROLL" value="0"/>
<define name="TRIM_PITCH" value="0"/>
<define name="TRIM_YAW" value="0"/>
<define name="NB_MOTOR" value="4"/>
<define name="SCALE" value="256"/>
<define name="ROLL_COEF" value="{ -256, -256, 256, 256 }"/>
<define name="PITCH_COEF" value="{ 256, -256, -256, 256 }"/>
<define name="YAW_COEF" value="{ 256, -256, 256, -256 }"/>
<define name="THRUST_COEF" value="{ 256, 256, 256, 256 }"/>
</section>
<include href="conf/airframes/TUDelft/calibrations/ladybird18.xml" />
<section name="IMU" prefix="IMU_">
<define name="BODY_TO_IMU_PHI" value="0." unit="deg"/>
<define name="BODY_TO_IMU_THETA" value="0." unit="deg"/>
<define name="BODY_TO_IMU_PSI" value="-13." unit="deg"/>
</section>
<section name="AUTOPILOT">
<define name="MODE_STARTUP" value="AP_MODE_NAV"/>
<define name="MODE_MANUAL" value="AP_MODE_ATTITUDE_DIRECT"/>
<define name="MODE_AUTO1" value="AP_MODE_ATTITUDE_Z_HOLD"/>
<define name="MODE_AUTO2" value="AP_MODE_NAV"/>
<define name="USE_THROTTLE_FOR_MOTOR_ARMING" value="TRUE"/>
<define name="NO_RC_THRUST_LIMIT" value="TRUE"/>
</section>
<section name="BAT">
<define name="MILLIAMP_AT_FULL_THROTTLE" value="14000"/>
<define name="CATASTROPHIC_BAT_LEVEL" value="2.8" unit="V"/>
<define name="CRITIC_BAT_LEVEL" value="3.0" unit="V"/>
<define name="LOW_BAT_LEVEL" value="3.2" unit="V"/>
<define name="MAX_BAT_LEVEL" value="4.1" unit="V"/>
</section>
<section name="STABILIZATION_RATE" prefix="STABILIZATION_RATE_">
<!-- setpoints -->
<define name="SP_MAX_P" value="15000"/>
<define name="SP_MAX_Q" value="15000"/>
<define name="SP_MAX_R" value="15000"/>
<define name="DEADBAND_P" value="20"/>
<define name="DEADBAND_Q" value="20"/>
<define name="DEADBAND_R" value="200"/>
<define name="REF_TAU" value="4"/>
<!-- feedback -->
<define name="GAIN_P" value="400"/>
<define name="GAIN_Q" value="400"/>
<define name="GAIN_R" value="418"/>
<define name="IGAIN_P" value="301"/>
<define name="IGAIN_Q" value="302"/>
<define name="IGAIN_R" value="303"/>
<!-- feedforward -->
<define name="DDGAIN_P" value="300"/>
<define name="DDGAIN_Q" value="300"/>
<define name="DDGAIN_R" value="300"/>
</section>
<section name="RC_SETPOINT" prefix="STABILIZATION_ATTITUDE_">
<!-- setpoint limits for attitude stabilization rc flight -->
<define name="SP_MAX_PHI" value="45" unit="deg"/>
<define name="SP_MAX_THETA" value="45" unit="deg"/>
<define name="SP_MAX_R" value="300" unit="deg/s"/>
<define name="DEADBAND_A" value="0"/>
<define name="DEADBAND_E" value="0"/>
<define name="DEADBAND_R" value="50"/>
</section>
<section name="ATTITUDE_REFERENCE" prefix="STABILIZATION_ATTITUDE_">
<!-- attitude reference generation model -->
<define name="REF_OMEGA_P" value="450" unit="deg/s"/>
<define name="REF_ZETA_P" value="0.9"/>
<define name="REF_MAX_P" value="600." unit="deg/s"/>
<define name="REF_MAX_PDOT" value="RadOfDeg(8000.)"/>
<define name="REF_OMEGA_Q" value="450" unit="deg/s"/>
<define name="REF_ZETA_Q" value="0.9"/>
<define name="REF_MAX_Q" value="600." unit="deg/s"/>
<define name="REF_MAX_QDOT" value="RadOfDeg(8000.)"/>
<define name="REF_OMEGA_R" value="450" unit="deg/s"/>
<define name="REF_ZETA_R" value="0.9"/>
<define name="REF_MAX_R" value="600." unit="deg/s"/>
<define name="REF_MAX_RDOT" value="RadOfDeg(8000.)"/>
</section>
<section name="STABILIZATION_ATTITUDE_INDI" prefix="STABILIZATION_INDI_">
<!-- control effectiveness -->
<define name="G1_P" value="0.041319"/>
<define name="G1_Q" value="0.026604"/>
<define name="G1_R" value="0.00413346"/>
<define name="G2_R" value="0.09605374"/>
<!-- reference acceleration for attitude control -->
<define name="REF_ERR_P" value="170.0"/>
<define name="REF_ERR_Q" value="170.0"/>
<define name="REF_ERR_R" value="100.0"/>
<define name="REF_RATE_P" value="17.0"/>
<define name="REF_RATE_Q" value="17.0"/>
<define name="REF_RATE_R" value="17.0"/>
<!-- second order filter parameters -->
<define name="FILT_OMEGA" value="50.0"/>
<define name="FILT_ZETA" value="0.55"/>
<define name="FILT_OMEGA_R" value="50.0"/>
<define name="FILT_ZETA_R" value="0.55"/>
<!-- first order actuator dynamics -->
<define name="ACT_DYN_P" value="0.03"/>
<define name="ACT_DYN_Q" value="0.03"/>
<define name="ACT_DYN_R" value="0.03"/>
<!-- Adaptive Learning Rate -->
<define name="USE_ADAPTIVE" value="FALSE"/>
<define name="ADAPTIVE_MU" value="0.0001"/>
</section>
<section name="GUIDANCE_V" prefix="GUIDANCE_V_">
<define name="HOVER_KP" value="276"/>
<define name="HOVER_KD" value="455"/>
<define name="HOVER_KI" value="100"/>
<define name="GUIDANCE_V_NOMINAL_HOVER_THROTTLE" value="0.5"/>
<define name="ADAPT_THROTTLE_ENABLED" value="TRUE"/>
</section>
<section name="AHRS" prefix="AHRS_">
<!-- Delft magnetic field -->
<define name="H_X" value="0.39049610"/>
<define name="H_Y" value="0.00278894"/>
<define name="H_Z" value="0.92060036"/>
</section>
<section name="GUIDANCE_H" prefix="GUIDANCE_H_">
<!-- Good weather -->
<define name="MAX_BANK" value="20" unit="deg"/>
<!-- Bad weather -->
<!-- define name="MAX_BANK" value="32" unit="deg"/ -->
<define name="PGAIN" value="90"/>
<define name="DGAIN" value="50"/>
<define name="IGAIN" value="24"/>
</section>
<section name="SIMULATOR" prefix="NPS_">
<define name="ACTUATOR_NAMES" value="{"ne_motor", "se_motor", "sw_motor", "nw_motor"}"/>
<define name="JSBSIM_MODEL" value=""simple_x_quad_ccw""/>
<define name="SENSORS_PARAMS" value=""nps_sensors_params_default.h""/>
</section>
<modules main_freq="512">
<load name="geo_mag.xml"/>
<load name="air_data.xml"/>
<load name="gps_ubx_ucenter.xml"/>
<load name="send_imu_mag_current.xml"/>
</modules>
<firmware name="rotorcraft">
<target name="ap" board="lisa_s_1.0">
<subsystem name="radio_control" type="superbitrf_rc">
<define name="RADIO_MODE" value="RADIO_GEAR"/>
<!--<define name="RADIO_KILL_SWITCH" value="RADIO_GEAR"/>-->
<define name="USE_PERSISTENT_SETTINGS" value="TRUE"/>
</subsystem>
<configure name="AHRS_PROPAGATE_FREQUENCY" value="500"/>
</target>
<target name="nps" board="pc">
<subsystem name="fdm" type="jsbsim"/>
<subsystem name="radio_control" type="ppm"/>
</target>
<subsystem name="motor_mixing"/>
<subsystem name="actuators" type="pwm">
<!-- This airframe is using the servo PWM outputs directly to drive mosfets, which in turn directly drive brushed motors.
With the following settings we will be driving the motors with a 36KHz signal that should be well above anyone's hearing range.
If we went with the 500Hz that woul be the default we would be hearing a very annoying high pitched sound coming from the motors.
-->
<!-- Setting the PWM timer base frequency to 36MHz -->
<define name="PWM_BASE_FREQ" value="36000000"/>
<!-- Setting the PWM interval to 36KHz -->
<define name="SERVO_HZ" value="36000"/>
<define name="USE_SERVOS_1AND2"/>
</subsystem>
<!--<subsystem name="telemetry" type="superbitrf"/>-->
<!-- Comment the previous line and uncomment the following one if you need
to use the debug serial interface for telemetry. -->
<subsystem name="telemetry" type="superbitrf"/>
<subsystem name="imu" type="lisa_s_v1.0">
<define name="LISA_S_UPSIDE_DOWN"/> <!-- Upside down is a relative term. :) -->
</subsystem>
<subsystem name="gps" type="ublox"/>
<subsystem name="stabilization" type="indi"/>
<subsystem name="ahrs" type="int_cmpl_quat">
<configure name="USE_MAGNETOMETER" value="0"/>
<define name="AHRS_USE_GPS_HEADING" value="0"/>
</subsystem>
<subsystem name="ins" type="extended"/>
</firmware>
</airframe>