Modeling of Data Transmission Process for Wireless Sensors on Industrial Rotating Structures

所提出的研究的目的是了解和模型的数据传输性能的无线传感器的工业旋转结构制造工厂地板监测。主要研究活动包括：1）建模和验证天线定向增益、多普勒频移和时变多径衰落以及上述无线电现象对旋转无线传感器数据传输性能的耦合影响; 2）使用设计的无线扭矩传感器验证所提出的数据传输性能模型。智力上的优点包括：1）理解多径衰落、多普勒频移和天线方向性对信号传输的影响，2）解耦和表征环境因素和数据传输性能的系统实验方法，以及3）基于旋转和传感器放置参数预测数据传输性能的方法。更广泛的影响包括：1）为无线传感器网络使能的制造业车间监控研究和应用提供研究基础，2）通过倡导无线技术提高制造业竞争力，3）扩大代表性不足的群体和社区学生的参与，4）通过无线传感器网络课程建立跨学科教育。

The objective of the proposed research is to understand and model data transmission performance of wireless sensors on industrial rotating structures for manufacturing plant floor monitoring. Key research activities include 1) modeling and verifying the effects of antenna directive gain, Doppler shift, and time-variant multipath fading as well as the coupled effects of the aforementioned radio phenomena on rotating wireless sensors' data transmission performance, and 2) validating the proposed data transmission performance model using a designed wireless torque sensor. The intellectual merit includes: 1) understanding of the effects of multipath fading, Doppler shift, and antenna directivity on signal transmission, 2) systematic experiment approach to decouple and characterize environment factors and data transmission performance, and 3) methodology for predicting data transmission performance based on rotation and sensor placement parameters. The broader impacts involve: 1) providing a research foundation for wireless sensor network enabled manufacturing plant floor monitoring research and applications, 2) improving manufacturing competitiveness by advocating wireless technologies, 3) broadening participation of underrepresented groups and community students, and 4) establishing cross-disciplinary education via wireless sensor network curriculum.