Cuscuta sinensis is a traditional Chinese medicine commonly used in traditional medicine,known for its liver and kidney tonifying effects,sperm fixing and urine reduction properties,fetus calming abilities,eye brighte...Cuscuta sinensis is a traditional Chinese medicine commonly used in traditional medicine,known for its liver and kidney tonifying effects,sperm fixing and urine reduction properties,fetus calming abilities,eye brightening qualities,and diarrhea stopping capabilities.Modern pharmacological studies have focused on its chemical components such as flavonoids,polysaccharides,alkaloids,steroids,and other bioactive compounds.These studies have revealed its various pharmacological effects,including hormone secretion regulation,ovulation promotion,sperm protection,testicular development promotion,and sperm formation.It is extensively utilized in the treatment of urological and reproductive system diseases,such as male sexual dysfunction,polycystic ovary syndrome,premature ovarian failure,weak spermatozoa,and infertility.This article provides a review of recent advancements in the application of Cuscuta sinensis in the genitourinary system,aiming to enhance the clinical application of Cuscuta sinensis preparations.展开更多
In this paper,a model predictive control(MPC)solution,assisted by extended state observer(ESO),is proposed for the common rail pressure control in gasoline engines.The rail pressure dynamic,nonlinear with large uncert...In this paper,a model predictive control(MPC)solution,assisted by extended state observer(ESO),is proposed for the common rail pressure control in gasoline engines.The rail pressure dynamic,nonlinear with large uncertainty,is modeled as a simple first order system.The discrepancy of the model from the real plant is lumped as"total disturbance",to be estimated in real-time by ESO and the n mitigated in the nonlin ear MPC,assuming the total disturbance does not change in the prediction horiz on.The non linear MPC problem is solved using the Newton/generalized minimum residual(GMRES)algorithm.The proposed ESO-MPC solution,is compared with the conventional proportional-integral-differential(PID)controller,based on the high-fidelity model provided in the benchmark problem in IFAC-E-CoSM.Results show the following benefits from using ESO-MPC relative to PID(benchmark):1)the disturbance rejection capability to fuel inject pulse step is improved by 12%in terms of recovery time;2)the transient response of rail pressure is improved by 5%in terms of the integrated absolute tracking error;and 3)the robustness is improved without n eed for gain scheduling,which is required in PID.Additionally,in creasing the ban dwidth of ESO allows reducing the complexity of the model implemented in MPC,while maintaining the disturbance rejection performance at the cost of high noise-sensitivity.Therefore,the ESO-MPC combination offers a simpler and more practical solution for common rail pressure control,relative to the standard MPC,which is consistent with the findings in simulation.展开更多
文摘Cuscuta sinensis is a traditional Chinese medicine commonly used in traditional medicine,known for its liver and kidney tonifying effects,sperm fixing and urine reduction properties,fetus calming abilities,eye brightening qualities,and diarrhea stopping capabilities.Modern pharmacological studies have focused on its chemical components such as flavonoids,polysaccharides,alkaloids,steroids,and other bioactive compounds.These studies have revealed its various pharmacological effects,including hormone secretion regulation,ovulation promotion,sperm protection,testicular development promotion,and sperm formation.It is extensively utilized in the treatment of urological and reproductive system diseases,such as male sexual dysfunction,polycystic ovary syndrome,premature ovarian failure,weak spermatozoa,and infertility.This article provides a review of recent advancements in the application of Cuscuta sinensis in the genitourinary system,aiming to enhance the clinical application of Cuscuta sinensis preparations.
文摘In this paper,a model predictive control(MPC)solution,assisted by extended state observer(ESO),is proposed for the common rail pressure control in gasoline engines.The rail pressure dynamic,nonlinear with large uncertainty,is modeled as a simple first order system.The discrepancy of the model from the real plant is lumped as"total disturbance",to be estimated in real-time by ESO and the n mitigated in the nonlin ear MPC,assuming the total disturbance does not change in the prediction horiz on.The non linear MPC problem is solved using the Newton/generalized minimum residual(GMRES)algorithm.The proposed ESO-MPC solution,is compared with the conventional proportional-integral-differential(PID)controller,based on the high-fidelity model provided in the benchmark problem in IFAC-E-CoSM.Results show the following benefits from using ESO-MPC relative to PID(benchmark):1)the disturbance rejection capability to fuel inject pulse step is improved by 12%in terms of recovery time;2)the transient response of rail pressure is improved by 5%in terms of the integrated absolute tracking error;and 3)the robustness is improved without n eed for gain scheduling,which is required in PID.Additionally,in creasing the ban dwidth of ESO allows reducing the complexity of the model implemented in MPC,while maintaining the disturbance rejection performance at the cost of high noise-sensitivity.Therefore,the ESO-MPC combination offers a simpler and more practical solution for common rail pressure control,relative to the standard MPC,which is consistent with the findings in simulation.
