Dissolved Oxygen PWM Control and Oxygen Uptake Rate Estimation using Kalman Filter in Activated Sludge Systems

被引：0
|
作者：
Silva, Francisco J. S. [1 ]
Catunda, Sebastian Y. C. [1 ]
Fonseca Neto, Joao V. [1 ]
van Haandel, Adrianus C. [2 ]
机构：
[1] Univ Fed Maranhao, Sao Luis, MA, Brazil
[2] Univ Fed Campina Grande, Campina Grande, Brazil
来源：
2010 IEEE INTERNATIONAL INSTRUMENTATION AND MEASUREMENT TECHNOLOGY CONFERENCE I2MTC 2010, PROCEEDINGS | 2010年
关键词：
oxygen uptake rate; activated sludge; dissolved oxygen; estimation; measurement; Kalman Filter; PWM; wastewater treatment;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The measurement and utilization of the oxygen uptake rate (OUR), or respiration rate, is very important in biological wastewater treatment process. It provides information about the biological activity and can indicate the presence of the toxic elements able to corrupt the system. An alternative to the lack of OUR sensors is to use computer codes as software sensors for the estimation of respirometric activity, based on dissolved oxygen (DO) measurements. In this paper the OUR is estimated using Kalman Filter as a software sensor and the DO concentration is controlled by aerators of on-off type triggered by pulse wide modulation. Simulation and experimental estimations are performed on a bench scale aerobic reactor.
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页数：6
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