A FPED (flexible piezoelectric device) composed of PVDF (polyvinylidene fluoride) and functional resin has been developed to generate electric power from wind energy with wide range in frequency. It was cleared th...A FPED (flexible piezoelectric device) composed of PVDF (polyvinylidene fluoride) and functional resin has been developed to generate electric power from wind energy with wide range in frequency. It was cleared that electrical characteristics of the FPED generated by wind power and availability of an attached bluff body in uniform wind. Moreover, electric performance of the FPED which is laminated with a stretching resin and has a roughness surface such as woolen and small hemisphere, was validated. It was shown that both a force caused by breeze and wind energy with wide range of spectrum could be harvested effectively using the FPED.展开更多
The main principle and the characteristic of Predictive Functional Control (PFC) strategy are presented in this paper and the corresponding control system aid design software APC-PFC is also introduced. For a chlorina...The main principle and the characteristic of Predictive Functional Control (PFC) strategy are presented in this paper and the corresponding control system aid design software APC-PFC is also introduced. For a chlorinated polyethylene (CPE) process, a design scheme of cascade predictive functional control system is described and the control performance is improved obviously.展开更多
文摘A FPED (flexible piezoelectric device) composed of PVDF (polyvinylidene fluoride) and functional resin has been developed to generate electric power from wind energy with wide range in frequency. It was cleared that electrical characteristics of the FPED generated by wind power and availability of an attached bluff body in uniform wind. Moreover, electric performance of the FPED which is laminated with a stretching resin and has a roughness surface such as woolen and small hemisphere, was validated. It was shown that both a force caused by breeze and wind energy with wide range of spectrum could be harvested effectively using the FPED.
文摘The main principle and the characteristic of Predictive Functional Control (PFC) strategy are presented in this paper and the corresponding control system aid design software APC-PFC is also introduced. For a chlorinated polyethylene (CPE) process, a design scheme of cascade predictive functional control system is described and the control performance is improved obviously.