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hrpsys-baseの姿勢推定コンポーネントの精度を評価するテストプログラムを書きました.
で下記のプロットが出ます.
このロボットはIMUがend-coordsについているようなので,
画像の左の列:kf_rpyが出しているRPYとルートリンクを地面に固定してForwardKinematicsで求めたIMUのRPY
画像の右の上・真ん中:IMUが出力している加速度・ジャイロ
画像の右下:end-coordsの位置
をプロットしています.
では,初期姿勢を
init-ypr-angle
で与え,そこから目標姿勢
deflection-ypr-angle
までIMUの位置はずらさずに振り子のような形で動くようなIKを解いています.