This paper is concerned with the control performance assessment based on the multivariable generalized minimum variance benchmark.An explicit expression for the feedback controller-invariant(the generalized minimum va...This paper is concerned with the control performance assessment based on the multivariable generalized minimum variance benchmark.An explicit expression for the feedback controller-invariant(the generalized minimum variance)term of the multivariable control system is obtained,which is used as a standard benchmark for the assessment of the control performance for multi input multi output(MIMO)process.The proposed approach is based on the multivariable minimum variance benchmark.In comparison with the minimum variance benchmark, the developed method is more reasonable and practical for the control performance assessment of multivariable systems.The approach is illustrated by a simulation example and an industrial application.展开更多
According to the characteristics of the primary materials of the basic land price in the little town, the author uses the analysis function of the figures and the space to set off the rank unit,calculate the numberof ...According to the characteristics of the primary materials of the basic land price in the little town, the author uses the analysis function of the figures and the space to set off the rank unit,calculate the numberof the unit and rank the land. The method and the system of the evaluation of the basic land price in the little town (especially the little towns in the Western China) will be perfect.展开更多
Objective The aim is to evaluate the association between baseline platelet count （PC） and severe adverse outcomes following percu- taneous coronary intervention （PCI） in current real-world practice. Methods A tota...Objective The aim is to evaluate the association between baseline platelet count （PC） and severe adverse outcomes following percu- taneous coronary intervention （PCI） in current real-world practice. Methods A total of 18,788 patients underwent PCI with drug-eluting stents constituted the study population. Patients were categorized as having low （〈 150 × 1000μ.L）, normal （150-300 × 1000μL）, and high （≥ 300 × 1000μL） baseline PC. The primary endpoints included in-hospital and follow-up all-cause mortality. The secondary endpoint was major bleeding requiring a blood transfusion. Results In-hospital mortality rates for patients with low, normal, and high baseline PC were 0.6%, 0.4%, and 0.4%, respectively （P = 0.259）. Similarly, mortality rates during long-term follow-up （median 23.8 months） for patients with low, normal, and high baseline PC were 0.9%, 0.6%, and 0.7%, respectively （P = 0.079）. After multivariate adjustment, patients with low or high baseline PC tended to have similar risks for both in-hospital and follow-up mortality compared with the normal group. Subgroup analyses failed to demonstrate an independent prognostic value of baseline PC in specific population groups except patients who undwent transfemoral PCI. There was also no significant difference in the incidence of major bleeding requiring a blood transfusion in the low, normal, and high groups （0.5%, 0.3%, and 0.3%, respectively; P = 0.320）. After multivariate adjustment, low or high baseline PC did not signi- ficantly increase the risk of major bleeding. Conclusion There is no significant association between baseline PC and severe adverse out- comes following PCI in current real-world practice.展开更多
This article provides an overview of an eleven step solid waste analysis and minimization process that is based on the six sigma approach to problem solving that may be applied at a wide variety of organizations. The ...This article provides an overview of an eleven step solid waste analysis and minimization process that is based on the six sigma approach to problem solving that may be applied at a wide variety of organizations. The six sigma approach provides a holistic process that focuses on minimizing defects, in this case, eliminating waste disposed at landfills. As many organizations are moving towards ＂zero landfill＂ facilities, such a process is needed to aid in achieving these goals. The eleven step processes provides details on establishing goals, creating process flowcharts, conducting waste sorts, data collection, establishing baseline data, identifying improvement opportunities, cost justification, executing improvement plans and validating results. The article also includes a case study that applies that eleven step process. The goal of the article is to provide the audience with a structured process to evaluate and minimize solid waste generation based on cost justified improvement opportunities.展开更多
基金Supported by the National High Technology Research and Development Program of China(2008AA042902)the National Basic Research Program of China(2007CB714006)the Graduate Creative Research Program of Zhejiang Province (YK2008024)
文摘This paper is concerned with the control performance assessment based on the multivariable generalized minimum variance benchmark.An explicit expression for the feedback controller-invariant(the generalized minimum variance)term of the multivariable control system is obtained,which is used as a standard benchmark for the assessment of the control performance for multi input multi output(MIMO)process.The proposed approach is based on the multivariable minimum variance benchmark.In comparison with the minimum variance benchmark, the developed method is more reasonable and practical for the control performance assessment of multivariable systems.The approach is illustrated by a simulation example and an industrial application.
基金Part achievements ofkey projectofthe firstscience and research fund in Mianyang Normal University.
文摘According to the characteristics of the primary materials of the basic land price in the little town, the author uses the analysis function of the figures and the space to set off the rank unit,calculate the numberof the unit and rank the land. The method and the system of the evaluation of the basic land price in the little town (especially the little towns in the Western China) will be perfect.
文摘Objective The aim is to evaluate the association between baseline platelet count （PC） and severe adverse outcomes following percu- taneous coronary intervention （PCI） in current real-world practice. Methods A total of 18,788 patients underwent PCI with drug-eluting stents constituted the study population. Patients were categorized as having low （〈 150 × 1000μ.L）, normal （150-300 × 1000μL）, and high （≥ 300 × 1000μL） baseline PC. The primary endpoints included in-hospital and follow-up all-cause mortality. The secondary endpoint was major bleeding requiring a blood transfusion. Results In-hospital mortality rates for patients with low, normal, and high baseline PC were 0.6%, 0.4%, and 0.4%, respectively （P = 0.259）. Similarly, mortality rates during long-term follow-up （median 23.8 months） for patients with low, normal, and high baseline PC were 0.9%, 0.6%, and 0.7%, respectively （P = 0.079）. After multivariate adjustment, patients with low or high baseline PC tended to have similar risks for both in-hospital and follow-up mortality compared with the normal group. Subgroup analyses failed to demonstrate an independent prognostic value of baseline PC in specific population groups except patients who undwent transfemoral PCI. There was also no significant difference in the incidence of major bleeding requiring a blood transfusion in the low, normal, and high groups （0.5%, 0.3%, and 0.3%, respectively; P = 0.320）. After multivariate adjustment, low or high baseline PC did not signi- ficantly increase the risk of major bleeding. Conclusion There is no significant association between baseline PC and severe adverse out- comes following PCI in current real-world practice.
文摘This article provides an overview of an eleven step solid waste analysis and minimization process that is based on the six sigma approach to problem solving that may be applied at a wide variety of organizations. The six sigma approach provides a holistic process that focuses on minimizing defects, in this case, eliminating waste disposed at landfills. As many organizations are moving towards ＂zero landfill＂ facilities, such a process is needed to aid in achieving these goals. The eleven step processes provides details on establishing goals, creating process flowcharts, conducting waste sorts, data collection, establishing baseline data, identifying improvement opportunities, cost justification, executing improvement plans and validating results. The article also includes a case study that applies that eleven step process. The goal of the article is to provide the audience with a structured process to evaluate and minimize solid waste generation based on cost justified improvement opportunities.
