Principles of motion control of bacterial micro-robots using oxygen gradients

机译：利用氧梯度控制细菌微型机器人的运动原理

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We introduce a method of motion control for bacterial microrobots using oxygen gradients. The bacteria (magnetotactic coccus strain MC-1) have a strong preference for a particular oxygen concentration and reverse swimming direction in order to remain at that oxygen concentration. At the same time, MC-1 consume oxygen, changing the dynamics of the system. We propose that we can use this behavior to passively control the motion of bands of MC-1 by carefully setting oxygen inputs. Mode of operation is introduced and displacement control by varying oxygen concentration in air adjacent to the bacterial medium is experimentally demonstrated. We develop a test channel and measure response of bands of MC-1 to various fixed concentrations of oxygen over time, as well as a finite concentration of oxygen.

机译：我们介绍了一种使用氧气梯度对细菌微型机器人进行运动控制的方法。细菌（趋磁球菌菌株MC-1）强烈希望具有特定的氧气浓度和反向游泳方向，以便保持该氧气浓度。同时，MC-1消耗氧气，从而改变了系统的动力。我们建议，可以通过仔细设置氧气输入量来使用此行为来被动控制MC-1波段的运动。引入操作模式，并通过实验证明了通过改变细菌培养基附近空气中的氧气浓度来控制排量。我们开发了一个测试通道，并测量MC-1波段随时间变化对各种固定浓度的氧气以及有限浓度的氧气的响应。

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《2010 IEEE/ASME International Conference on Advanced Intelligent Mechatronics》|2010年|p.848-853|共6页
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Shechter Evan; Martel Sylvain;
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Principles of motion control of bacterial micro-robots using oxygen gradients

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