公开(公告)号：US20130160565A1

公开(公告)日：2013-06-27

申请号：US13676192

申请日：2012-11-14

Applicant: ENDRESS + HAUSER FLOWTEC AG

Inventor： Remy Scherrer

IPC: G01F1/66

CPC classification number: G01F1/66 ,  G01F1/8436 ,  G01F25/0007

Abstract: A method for monitoring oscillation characteristics in a Coriolis, flow measuring device and to a correspondingly formed, Coriolis, flow measuring device in the case of which an excited oscillatory system is simulated with a digital model, which has at least one fittable parameter. The simulating includes, in such case, excitating the digital model in the same manner as the oscillatory system, calculating a simulation response variable of the simulated oscillations according to the digital model, and, performed over a plurality of signal modulations, iterative conforming of the at least one, fittable parameter in such a manner that the simulation response variable interatively approaches the response variable. Furthermore, it is ascertained whether a corresponding limit value is exceeded by the at least one, interatively ascertained parameter value for the at least one, fittable parameter or by at least one variable derived from the at least one, iteratively ascertained parameter value.

公开(公告)号：US08950274B2

公开(公告)日：2015-02-10

申请号：US13676192

申请日：2012-11-14

Applicant: Endress + Hauser Flowtec AG

Inventor： Remy Scherrer

IPC: G01F1/84 ,  G01F1/66 ,  G01F25/00

CPC classification number: G01F1/66 ,  G01F1/8436 ,  G01F25/0007

Abstract: A method for monitoring oscillation characteristics in a Coriolis, flow measuring device and to a correspondingly formed, Coriolis, flow measuring device in the case of which an excited oscillatory system is simulated with a digital model, which has at least one fittable parameter. The simulating includes, in such case, excitating the digital model in the same manner as the oscillatory system, calculating a simulation response variable of the simulated oscillations according to the digital model, and, performed over a plurality of signal modulations, iterative conforming of the at least one, fittable parameter in such a manner that the simulation response variable interatively approaches the response variable. Furthermore, it is ascertained whether a corresponding limit value is exceeded by the at least one, interatively ascertained parameter value for the at least one, fittable parameter or by at least one variable derived from the at least one, iteratively ascertained parameter value.

Abstract translation: 一种用于监测科里奥利流量测量装置和相应形成的科里奥利流量测量装置中的振荡特性的方法，其中用具有至少一个拟合参数的数字模型模拟激励振荡系统。 在这种情况下，模拟包括以与振荡系统相同的方式激励数字模型，根据数字模型计算模拟振荡的模拟响应变量，并且通过多个信号调制执行迭代符合 至少一个适合的参数，使得模拟响应变量相互间接近响应变量。 此外，确定是否通过所述至少一个可拟合参数的至少一个，中间确定的参数值或由至少一个迭代确定的参数值导出的至少一个变量来超过相应的极限值。