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paparazzi/conf/airframes/example_twog_analogimu.xml
T

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XML

<!DOCTYPE airframe SYSTEM "airframe.dtd">
<!--
Use settings/tuning_ins.xml
Use telemetry/default_fixedwing_imu.xml
Reely Condor
TWOG v1.0 Board (http://paparazzi.enac.fr/wiki/TWOG)
Sparkfun Razor IMU with Premerlani Code
wi.232 Radiomodems
-->
<airframe name="Reely Condor CHNI">
<servos>
<servo name="THROTTLE" no="7" min="1200" neutral="1200" max="2000"/>
<servo name="AILERON" no="4" min="2000" neutral="1500" max="1000"/>
<servo name="ELEVATOR" no="3" max="2000" neutral="1500" min="1000"/>
<servo name="CAM" no="2" max="2000" neutral="1500" min="1000"/>
<servo name="TILT" no="6" max="2000" neutral="1501" min="1000"/>
</servos>
<commands>
<axis name="THROTTLE" failsafe_value="0"/>
<axis name="ROLL" failsafe_value="0"/>
<axis name="PITCH" failsafe_value="0"/>
</commands>
<rc_commands>
<set command="THROTTLE" value="@THROTTLE"/>
<set command="ROLL" value="@ROLL"/>
<set command="PITCH" value="@PITCH"/>
</rc_commands>
<command_laws>
<set servo="THROTTLE" value="@THROTTLE"/>
<set servo="AILERON" value="@ROLL"/>
<set servo="ELEVATOR" value="@PITCH"/>
</command_laws>
<section name="IMU" prefix="IMU_">
<define name="GYRO_P_NEUTRAL" value="512"/>
<define name="GYRO_Q_NEUTRAL" value="512"/>
<define name="GYRO_R_NEUTRAL" value="512"/>
<define name="GYRO_P_SENS" value="0.017" integer="16"/>
<define name="GYRO_Q_SENS" value="0.017" integer="16"/>
<define name="GYRO_R_SENS" value="0.017" integer="16"/>
<define name="GYRO_P_SIGN" value="1" />
<define name="GYRO_Q_SIGN" value="1" />
<define name="GYRO_R_SIGN" value="-1" />
<define name="ACCEL_X_SENS" value="0.1" integer="16"/>
<define name="ACCEL_Y_SENS" value="0.1" integer="16"/>
<define name="ACCEL_Z_SENS" value="0.1" integer="16"/>
<define name="ACCEL_X_NEUTRAL" value="512"/>
<define name="ACCEL_Y_NEUTRAL" value="512"/>
<define name="ACCEL_Z_NEUTRAL" value="512"/>
<define name="ACCEL_X_SIGN" value="1"/>
<define name="ACCEL_Y_SIGN" value="-1"/>
<define name="ACCEL_Z_SIGN" value="1"/>
<!-- this should not be needed if no mag is used -->
<define name="MAG_X_NEUTRAL" value="512"/>
<define name="MAG_Y_NEUTRAL" value="512"/>
<define name="MAG_Z_NEUTRAL" value="512"/>
<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="0." unit="deg" />
</section>
<section name="AUTO1" prefix="AUTO1_">
<define name="MAX_ROLL" value="1.0"/>
<define name="MAX_PITCH" value="1.0"/>
</section>
<!-- settings for the Analog IMU -->
<section name="INS" prefix="INS_">
<define name="ROLL_NEUTRAL_DEFAULT" value="0" unit="deg"/>
<define name="PITCH_NEUTRAL_DEFAULT" value="0" unit="deg"/>
</section>
<!-- 3S LiPo with 1050mAh, connected to an 20A ESC -->
<section name="BAT">
<define name="MILLIAMP_AT_FULL_THROTTLE" value="20000" unit="mA" />
<define name="VOLTAGE_ADC_A" value="0.02456533604651162791"/>
<define name="VOLTAGE_ADC_B" value="0.24024993023255813953"/>
<define name="VoltageOfAdc(adc)" value ="(VOLTAGE_ADC_A * adc + VOLTAGE_ADC_B)"/>
<define name="CATASTROPHIC_BAT_LEVEL" value="9.0" unit="V"/>
<define name="CRITIC_BAT_LEVEL" value="9.3" unit="V"/>
<define name="LOW_BAT_LEVEL" value="9.5" unit="V"/>
<define name="MAX_BAT_LEVEL" value="12.4" unit="V"/>
</section>
<section name="SIMU">
<define name="YAW_RESPONSE_FACTOR" value="0.7"/>
</section>
<section name="MISC">
<define name="TELEMETRY_MODE_FBW" value="1"/>
<define name="NOMINAL_AIRSPEED" value="12.5" unit="m/s"/>
<define name="CARROT" value="5." unit="s"/>
<define name="KILL_MODE_DISTANCE" value="(1.5*MAX_DIST_FROM_HOME)"/>
<define name="CONTROL_RATE" value="60" unit="Hz"/>
<define name="ALT_KALMAN_ENABLED" value="TRUE"/>
<define name="TRIGGER_DELAY" value="1."/>
<define name="DEFAULT_CIRCLE_RADIUS" value="50."/>
</section>
<section name="VERTICAL CONTROL" prefix="V_CTL_">
<define name="POWER_CTL_BAT_NOMINAL" value="11.1" unit="volt"/>
<!-- outer loop proportional gain -->
<define name="ALTITUDE_PGAIN" value="-0.07"/>
<!-- outer loop saturation -->
<define name="ALTITUDE_MAX_CLIMB" value="2."/>
<!-- auto throttle inner loop -->
<define name="AUTO_THROTTLE_NOMINAL_CRUISE_THROTTLE" value="0.55"/>
<define name="AUTO_THROTTLE_MIN_CRUISE_THROTTLE" value="0.30"/>
<define name="AUTO_THROTTLE_MAX_CRUISE_THROTTLE" value="0.80"/>
<define name="AUTO_THROTTLE_LOITER_TRIM" value="1500"/>
<define name="AUTO_THROTTLE_DASH_TRIM" value="-500"/>
<define name="AUTO_THROTTLE_CLIMB_THROTTLE_INCREMENT" value="0.15" unit="%/(m/s)"/>
<define name="AUTO_THROTTLE_PGAIN" value="-0.025"/>
<define name="AUTO_THROTTLE_IGAIN" value="0.1"/>
<define name="AUTO_THROTTLE_PITCH_OF_VZ_PGAIN" value="0.05"/>
<!-- auto pitch inner loop -->
<define name="AUTO_PITCH_PGAIN" value="-0.05"/>
<define name="AUTO_PITCH_IGAIN" value="0.075"/>
<define name="AUTO_PITCH_MAX_PITCH" value="0.35"/>
<define name="AUTO_PITCH_MIN_PITCH" value="-0.35"/>
<define name="THROTTLE_SLEW" value="0.05"/>
</section>
<section name="HORIZONTAL CONTROL" prefix="H_CTL_">
<define name="COURSE_PGAIN" value="-0.85"/>
<define name="ROLL_MAX_SETPOINT" value="0.6" unit="rad"/>
<define name="PITCH_MAX_SETPOINT" value="0.5" unit="rad"/>
<define name="PITCH_MIN_SETPOINT" value="-0.5" unit="rad"/>
<define name="ROLL_PGAIN" value="12000."/>
<define name="AILERON_OF_THROTTLE" value="0.0"/>
<define name="PITCH_PGAIN" value="-9000."/>
<define name="PITCH_DGAIN" value="1.5"/>
<define name="ELEVATOR_OF_ROLL" value="1250"/>
</section>
<section name="NAV">
<define name="NAV_PITCH" value="0."/>
<define name="NAV_GLIDE_PITCH_TRIM" value="0"/>
</section>
<section name="AGGRESSIVE" prefix="AGR_">
<define name="BLEND_START" value="20"/><!-- Altitude Error to Initiate Aggressive Climb CANNOT BE ZERO!!-->
<define name="BLEND_END" value="10"/><!-- Altitude Error to Blend Aggressive to Regular Climb Modes CANNOT BE ZERO!!-->
<define name="CLIMB_THROTTLE" value="0.8"/><!-- Gaz for Aggressive Climb -->
<define name="CLIMB_PITCH" value="0.3"/><!-- Pitch for Aggressive Climb -->
<define name="DESCENT_THROTTLE" value="0.1"/><!-- Gaz for Aggressive Decent -->
<define name="DESCENT_PITCH" value="-0.25"/><!-- Pitch for Aggressive Decent -->
<define name="CLIMB_NAV_RATIO" value="0.8"/><!-- Percent Navigation for Altitude Error Equal to Start Altitude -->
<define name="DESCENT_NAV_RATIO" value="1.0"/>
</section>
<section name="FAILSAFE" prefix="FAILSAFE_">
<define name="DELAY_WITHOUT_GPS" value="1" unit="s"/>
<define name="DEFAULT_THROTTLE" value="0.3" unit="%"/>
<define name="DEFAULT_ROLL" value="0.3" unit="rad"/>
<define name="DEFAULT_PITCH" value="0.5" unit="rad"/>
<define name="HOME_RADIUS" value="100" unit="m"/>
</section>
<firmware name="fixedwing">
<target name="sim" board="pc"/>
<target name="ap" board="twog_1.0">
<define name="AGR_CLIMB" />
<define name="LOITER_TRIM" />
<define name="ALT_KALMAN" />
</target>
<subsystem name="radio_control" type="ppm"/>
<!-- Communication -->
<subsystem name="telemetry" type="transparent">
<configure name="MODEM_BAUD" value="B9600"/>
</subsystem>
<!-- Actuators are automatically chosen according to the board-->
<subsystem name="control"/>
<!-- Sensors -->
<subsystem name="imu" type="analog">
<configure name="GYRO_P" value="ADC_0"/>
<configure name="GYRO_Q" value="ADC_1"/>
<configure name="GYRO_R" value="ADC_2"/>
<configure name="ACCEL_X" value="ADC_5"/>
<configure name="ACCEL_Y" value="ADC_6"/>
<configure name="ACCEL_Z" value="ADC_7"/>
<configure name="ADC_ACCEL_NB_SAMPLES" value="32"/>
</subsystem>
<subsystem name="ahrs" type="float_dcm"/>
<subsystem name="gps" type="ublox"/>
<subsystem name="navigation"/>
</firmware>
</airframe>