Taylor Brian K
Air Force Research Laboratory - Munitions Directorate, 101 West Eglin Blvd Ste. 209, Bldg 13, Eglin AFB, FL, 32542, USA.
Biol Cybern. 2017 Aug;111(3-4):287-308. doi: 10.1007/s00422-017-0720-3. Epub 2017 Jun 22.
Several animals use Earth's magnetic field in concert with other sensor modes to accomplish navigational tasks ranging from local homing to continental scale migration. However, despite extensive research, animal magnetic reception remains poorly understood. Similarly, the Earth's magnetic field offers a signal that engineered systems can leverage to navigate in environments where man-made positioning systems such as GPS are either unavailable or unreliable. This work uses a behavioral strategy inspired by the migratory behavior of sea turtles to locate a magnetic goal and respond to wind when it is present. Sensing is performed using a number of distributed sensors. Based on existing theoretical biology considerations, data processing is performed using combinations of circles and ellipses to exploit the distributed sensing paradigm. Agent-based simulation results indicate that this approach is capable of using two separate magnetic properties to locate a goal from a variety of initial conditions in both noiseless and noisy sensory environments. The system's ability to locate the goal appears robust to noise at the cost of overall path length.
几种动物利用地球磁场并结合其他传感模式来完成从局部归巢到大陆规模迁徙等各种导航任务。然而，尽管进行了广泛研究，但动物磁感受仍知之甚少。同样，地球磁场提供了一种信号，工程系统可以利用该信号在全球定位系统（GPS）等人造定位系统不可用或不可靠的环境中导航。这项工作采用了一种受海龟迁徙行为启发的行为策略，以定位磁目标并在有风时做出响应。使用多个分布式传感器进行传感。基于现有的理论生物学考虑，使用圆和椭圆的组合进行数据处理，以利用分布式传感范式。基于智能体的模拟结果表明，这种方法能够利用两种不同的磁性属性，在无噪声和有噪声的传感环境中从各种初始条件下定位目标。该系统定位目标的能力在总体路径长度的代价下似乎对噪声具有鲁棒性。
