4、The ramp metering rate is determined by the PID controller whOSe parameters are tuned by fuzzy logic according to the density tracking error and error variation.
8、Simulations proved that the states of the tracking error system firstly arrive at the sliding mode in the finite time and then reach the origin in the finite time, which realize the tracking control.
12、Where, the fuzzy control is a two dimensional PD type controller with the tracking error of joint angle and its derivative as input of the controller.
16、The model inversion is under the hover condition. And the adaptive control law based on the neural network is designed to guarantee the boundedness of tracking error and control signals.
2、Theoretical analysis verifies that tracking error converges to zero.
7、It can guarantee the global boundness of closed loop signals and make the output tracking error arbitrarily small.
13、A periodic mixed adaptive law and an adaptive repetitive learning control one are constructed to ensure the asymptotic convergence of the tracking error in the sense of square error norm.
18、The closed expression form of the maximum carrier phase tracking error caused by multipath effect is derived in this paper based on multipath signal characteristics and GPS receiver work mechanism.
6、It is proved that the proposed method can make the tracking error converges to a small neighborhood of the origin.
14、The fuzzy adaptive controller designed based on this method can guarantees that the closed-loop system is globally stable and the tracking error converges to a neighborhood of zero.
3、However there has larger tracking error in the FNNSMC than that in the SMC.
11、This paper investigates the general risk and return relationship of active portfolios, and proposes an identical model of portfolio for tracking error and mean-variance.
5、Firstly, an average performance index containing tracking error and control energy over a class of additive model errors is defined.
17、A parameter adaptive law and a control law were obtained to ensure asymptotic attenuation of the tracking error to zero with probability 1. The simulation results show the validity of the method.
15、By theoretical analysis, the closed-loop control system is proved to be semi-global uniformly ultimately bounded (UUB), and the output tracking error converges to a neighborhood of zero.
1、Unstable LOS will lead bigger tracking error.
10、The paper concerns on the index replication problem after arbitrage opportunity are owned, and then a mathematical model is established to aim at minimizing tracking error.
9、The switching function includes the integral of tracking error to avoid assuming that the derivative of desired signal must be known in conventional sliding mode variable structure control.
