用于微流控嵌入式控制的气动计算机
Pneumatic Computers for Embedded Control of Microfluidics
AI总结：
本研究提出由微流控阀门气动电路构成的有限状态机，实现了仅需外部真空源供电的单片集成微流控嵌入式控制，可通过改变薄膜打孔图案重编程逻辑并指导连续稀释等操作。
摘要：
能够与物理系统轻松接口的替代计算方法非常适合这些系统的嵌入式控制。我们展示了由微流控阀门气动电路实现的有限状态机，并采用这些控制器在相同芯片上指导微流控液体处理程序，例如连续稀释。这些单片集成系统仅需以真空源的形式从外部供电。用户可以通过用手指覆盖气动端口直接向芯片提供输入。我们展示了具有高达4位状态存储器的状态机，并且次态组合逻辑可以通过改变芯片上薄膜的打孔图案进行完全重编程。这些气动计算机展示了物理系统嵌入式控制的新框架。
英文摘要：
Alternative computing approaches that interface readily with physical systems are well suited for embedded control of those systems. We demonstrate finite state machines implemented as pneumatic circuits of microfluidic valves, and we employ these controllers to direct microfluidic liquid handling procedures such as serial dilution on the same chip. These monolithic integrated systems require only power to be supplied externally, in the form of a vacuum source. User input can be provided directly to the chip by covering pneumatic ports with a finger. State machines with up to four bits of state memory are demonstrated, and next-state combinational logic can be fully reprogrammed by changing the hole-punch pattern on a membrane in the chip. These pneumatic computers demonstrate a new framework for the embedded control of physical systems.
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