变形微型游泳者的自主导航
Autonomous navigation of shape-shifting microswimmers
摘要：
我们描述了一种方法，用于编程的自主导航的活性胶体颗粒响应于空间梯度的标量刺激。功能行为，如积极或消极的趋化性编码的颗粒形状，响应当地的刺激和指导自我推进的粒子运动。我们证明了这种方法使用的自泳球的刺激响应集群的物理模型。我们展示了如何通过设计粒子的几何形状及其刺激响应来实现多种自主行为。
英文摘要：
We describe a method for programming the autonomous navigation of active colloidal particles in response to spatial gradients in a scalar stimulus. Functional behaviors such as positive or negative chemotaxis are encoded in the particle shape, which responds to the local stimulus and directs self-propelled particle motions. We demonstrate this approach using a physical model of stimuli-responsive clusters of self-phoretic spheres. We show how multiple autonomous behaviors can be achieved by designing the particle geometry and its stimulus response.
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