/**************************************************************************** * * Copyright (c) 2013-2015 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name PX4 nor the names of its contributors may be * used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /** * @file mc_att_control_params.c * Parameters for multicopter attitude controller. * * @author Lorenz Meier * @author Anton Babushkin */ /** * Roll P gain * * Roll proportional gain, i.e. desired angular speed in rad/s for error 1 rad. * * @min 0.0 * @max 12 * @decimal 2 * @increment 0.1 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_ROLL_P, 6.5f); /** * Pitch P gain * * Pitch proportional gain, i.e. desired angular speed in rad/s for error 1 rad. * * @min 0.0 * @max 12 * @decimal 2 * @increment 0.1 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_PITCH_P, 6.5f); /** * Yaw P gain * * Yaw proportional gain, i.e. desired angular speed in rad/s for error 1 rad. * * @min 0.0 * @max 5 * @decimal 2 * @increment 0.1 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_YAW_P, 2.8f); /** * Yaw weight * * A fraction [0,1] deprioritizing yaw compared to roll and pitch in non-linear attitude control. * Deprioritizing yaw is necessary because multicopters have much less control authority * in yaw compared to the other axes and it makes sense because yaw is not critical for * stable hovering or 3D navigation. * * For yaw control tuning use MC_YAW_P. This ratio has no impact on the yaw gain. * * @min 0.0 * @max 1.0 * @decimal 2 * @increment 0.1 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_YAW_WEIGHT, 0.4f); /** * Max roll rate * * Limit for roll rate in manual and auto modes (except acro). * Has effect for large rotations in autonomous mode, to avoid large control * output and mixer saturation. * * This is not only limited by the vehicle's properties, but also by the maximum * measurement rate of the gyro. * * @unit deg/s * @min 0.0 * @max 1800.0 * @decimal 1 * @increment 5 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_ROLLRATE_MAX, 220.0f); /** * Max pitch rate * * Limit for pitch rate in manual and auto modes (except acro). * Has effect for large rotations in autonomous mode, to avoid large control * output and mixer saturation. * * This is not only limited by the vehicle's properties, but also by the maximum * measurement rate of the gyro. * * @unit deg/s * @min 0.0 * @max 1800.0 * @decimal 1 * @increment 5 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_PITCHRATE_MAX, 220.0f); /** * Max yaw rate * * @unit deg/s * @min 0.0 * @max 1800.0 * @decimal 1 * @increment 5 * @group Multicopter Attitude Control */ PARAM_DEFINE_FLOAT(MC_YAWRATE_MAX, 200.0f); /** * Manual tilt input filter time constant * * Setting this parameter to 0 disables the filter * * @unit s * @min 0.0 * @max 2.0 * @decimal 2 * @group Multicopter Position Control */ PARAM_DEFINE_FLOAT(MC_MAN_TILT_TAU, 0.0f);