arXiv:2605.08525cs.ROcs.SY2026-05

95毫克微型飞行机器人用自适应控制抗干扰,实现精准三维飞行。

Model-Reference Adaptive Flight Control of a 95-mg Insect-Scale Flapping-Wing Aerial Robot

论文配图:Model-Reference Adaptive Flight Control of a 95-mg Insect-Scale Flapping-Wing Aerial Robot
图 1 · 摘自论文原文
  • 采用模型参考自适应控制,实时补偿动力学不确定性。
  • 实测在95毫克级机器人上实现6自由度轨迹跟踪与悬停。
  • 融合扩展卡尔曼滤波抑制滚转俯仰振动,提升飞行稳定性。

由于尺度微小且制造复杂,扑翼式昆虫尺度飞行机器人的动力学模型存在参数不确定性,如惯性矩阵和执行器映射误差。此外,因低惯性,该类机器人在飞行中易受随机与系统性扰动影响,包括电源线张力、风速突变及机翼不对称产生的非预期气动力。因此,在亚十毫克尺度下实现复杂机动需机器人具备自适应能力以抵消扰动与建模误差。为此,本文提出一种面向三维空间刚体模型的模型参考自适应控制(MRAC)架构,用于高精度位置控制。同时,通过引入混合乘法扩展卡尔曼滤波器,实时估计当前与期望角速度,显著抑制姿态振荡,尤其在滚转与俯仰自由度上效果明显,进一步提升飞行性能。为验证方法的有效性,我们在95毫克级昆虫尺度飞行机器人上完成了实时悬停与6自由度轨迹跟踪飞行实验。

原文摘要 · Abstract (English)

Due to the system's scale and complex fabrication, the model describing the dynamics of a flapping-wing insect-scale aerial robot is subject to parameter uncertainty; for example, in the inertia matrix and the actuator mapping of the flier. Furthermore, due to its low inertia, this type of robot is greatly affected by stochastic and systematic disturbances during flight, including power-wire tension, gusts, and undesired aerodynamic forces produced by wing misalignment. Therefore, the high-performance execution of complex maneuvers at the subdecigram scale requires the robot to adapt its behavior to counteract disturbances and model uncertainty. Toward this objective, we introduce a model-reference adaptive control (MRAC) architecture for high-performance position control of flapping-wing robotic insects that can be modeled as rigid bodies in the three-dimensional (3D) space. In addition, we demonstrate how the implementation of a hybrid multiplicative extended Kálmán filter for estimating current and desired angular velocities during flight significantly dampens attitude vibrations, especially along the roll and pitch degrees of freedom (DOFs), and also improves flight performance. To show the suitability, functionality, and high performance of the proposed approach, we conducted real-time hovering and trajectory-tracking 6-DOF flight control experiments with a 95-mg insect-scale aerial robot.

微型飞行自适应控制扑翼机器人6自由度

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