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In this study, U-model based control system design methodology is expanded into control of nonminimum-phase (NMP) dynamic systems. With U-model framework, a desired minimum-phase (MP) plant is established, which forms as a generic prototype. To achieve the same output response as the desired MP plant, the NMP zeros of plant are removed (NB not cancelled) by feedforward controllers, using the linear...
A robotic liquid handling system is developed for dispensing highly viscous reagent with nanoliter volumes. The robot in question is of immediate need in protein crystallization research and in electronics packaging field. In this paper, the system structure is introduced which mainly consists of three modules: motion control module, dispense control module and droplet volume measure module. Highly...
In clinical diagnosis areas, some diseases are confirmed by testing the value of antigen content in human blood, and many automated equipments have been widely used in this areas. In this paper, a fully automated chemiluminescence immunoassay analyzer based on Principle of CLIA was developed, which make use of contact plus sampling technique for dispensing sample and immunomagnetic separation technology...
Based on the azide methemoglobin method, a portable hemoglobin concentration determinator has been developed, utilizing the disposable microcuvette containing reagent, which could be used for performing the quick online test of undiluted and unhemolyzed whole blood within 30 to 60 seconds. In this paper, a detailed description has been made on measuring principle, measuring mechanism, controlling...
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