然后采用强跟踪滤波器估计过程状态及传感器偏差,传感器偏差估计用于驱动一个故障检测逻辑。
Then, the STF is adopted to estimate process states and sensor bias, the estimated sensor bias is used to drive a fault detection logic.
针对一类具有模型不确定性且状态部分可测的非线性系统,提出了一种基于鲁棒自适应技术的传感器偏差故障检测与分离方法。
This paper is concerned with the problem of robust fault detection for a class of discrete-time systems with norm-bounded uncertainties and time delays in state.
当传感器存在刻度系数误差、安装误差和测量偏差时,将会明显降低系统的FDI性能。
However, the sensor errors such as input axis misalignment, scale factor errors and biases, have significant effect on the FDI performance.
偏差阈值变得更小,因为加速度传感器的每次读取间隔与内核空间的每次读取间隔比较而言减少了。
The much-smaller deviation threshold is due to the decreased number of reads-per-time interval of the accelerometer compared with the number of reads-per-time interval in kernel space.
该方法利用能量守恒方程的残差特征建立线性方程组,通过求解方程来完成多个具有固定偏差的传感器故障的检测和诊断。
This method can detect and diagnose sensor fault with fixed deviation by establishing linear equations utilizing the residual characteristics of energy conservation equation and solving them.
针对HVAC水系统中温度传感器固定偏差的故障,提出了一种基于分析冗余和数理统计的故障诊断方法。
A fault detection and diagnosis method is presented, which based on analytical redundancy and statistics, for detecting and evaluating the temperature sensors with fixed bias in HVAC water systems.
搭建了基于高速旋转电弧传感器的水下焊接焊枪偏差识别的实验系统。
An experimental system for underwater welding identification of welding torch offset based on high speed rotational arc sensor was established.
仿真结果表明,该方法实现简单,收敛速度快,可以实现单部动基座传感器的偏差估计。
The simulation results show the approach can be easily carried out and has the rapid convergence rate, which can estimate the biases of single maneuvering sensor.
建立了基于代价函数的传感器分配优化模型,其中代价函数包括跟踪系统偏差代价和资源消耗代价两部分。
The optimal sensor allocation model based cost function is built, and the cost function includes the bias of tracking state and resource consumed.
在正午,两个传感器之间的距离会忽略掉波动,也不会知道偏离平均值的微小的偏差。
At noon the Spaces between the sensors will hide fluctuations that the computer will not know about, tiny deviations from the average.
从这个家里的任何位置(垂直)偏差可以快速准确检测的传感器与倾角专家提出图尔克。
Any deviation from this home position (perpendicular) can be detected quickly and precisely with inclinometers made by the sensor specialist TURCK.
无疑传感器动态测量偏差的存在都将或多或少直接影响其测量结果及相应状态估计的准确度。
It is obvious that the measurement output of sensor and the state estimated from the measurement will be affected by the time-varying measurement more or less.
利用扩展卡尔曼滤波器估计这种偏差,并用估计偏差对传感器测量进行校正。
The mentioned error can be estimated by using the extended Kalman filters, and the estimated error is used for calibrating the sensor measurement.
分析了磁偏差调制直流电流检测传感器的工作原理。
The principle of measuring leak current based on magnetism zero-state drift is analyzed.
计算结果给出了膜的粘弹性和溶液属性对QCM测量结果的影响,指出了液相中QCM作为质量传感器所带来的测量偏差。
The result shows that the viscoelastic properties of adsorption films and solution have a large impact on the measurable result of QCM.
计算结果给出了膜的粘弹性和溶液属性对QCM测量结果的影响,指出了液相中QCM作为质量传感器所带来的测量偏差。
The result shows that the viscoelastic properties of adsorption films and solution have a large impact on the measurable result of QCM.
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