CN203909498U

CN203909498U - Adaptive robust fault-tolerant control architecture model with dynamic fault reconstruction mechanism

Info

Publication number: CN203909498U
Application number: CN201420138465.9U
Authority: CN
Inventors: 许一男
Original assignee: Individual
Current assignee: Individual
Priority date: 2014-03-26
Filing date: 2014-03-26
Publication date: 2014-10-29
Anticipated expiration: 2024-03-26

Abstract

The utility model relates to an adaptive robust fault-tolerant control architecture model with a dynamic fault reconstruction mechanism, which comprises a sliding-mode control type adaptive general model, a soft sensor-based output model, a non-linear object, a state observer and a fault reconstruction model. The sliding-mode control type adaptive general model is connected with the signal input end of the soft sensor-based output model. The two ends of the on-linear object and the state observer are respectively connected together. A control switch is arranged among the sliding-mode control type adaptive general model, the signal output end of the soft sensor-based output model, the non-linear object and the state observer. The state observer, the fault reconstruction model and the soft sensor-based output model are connected together. The adaptive robust fault-tolerant control architecture model with the dynamic fault reconstruction mechanism has the advantages of simple structure, micro power consumption, high sensitivity, wide range of working voltages and the like.

Description

With the fault-tolerant control framework model of ADAPTIVE ROBUST of dynamic fault reconstruct

Technical field

The utility model relates to the fault-tolerant control framework model of a kind of ADAPTIVE ROBUST, particularly with the fault-tolerant control framework model of ADAPTIVE ROBUST of dynamic fault reconstruct.

Background technology

At present, there are many ADAPTIVE ROBUST fault tolerant control methods for nonlinear system both at home and abroad, the problem such as the robustness of monofilament ubiquity line fault detect is low, and fault-tolerant control sensitivity is low.

Summary of the invention

The purpose of this utility model is to overcome above-mentioned deficiency, provides a kind of ADAPTIVE ROBUST with dynamic fault reconstruct simple in structure, that real-time is high, highly sensitive fault-tolerant control framework model.

To achieve these goals, the utility model has been taked following technical scheme.

The utility model comprises the self-adaptation universal model based on sliding formwork control, the output model based on soft measurement, non-linear object, state observer and failure reconfiguration model with the fault-tolerant control framework model of ADAPTIVE ROBUST of dynamic fault reconstruct; The signal input part of the self-adaptation universal model of described sliding formwork control and the output model based on soft measurement links together, together with the two ends of described non-linear object and state observer are connected to, between the signal output part of the described self-adaptation universal model based on sliding formwork control and the output model based on soft measurement and described non-linear object and state observer link, be provided with gauge tap; Described state observer is connected with failure reconfiguration model and the output model based on soft measurement.

Described self-adaptation universal model and non-linear object based on sliding formwork control links together, and the described output model state observer based on soft measurement links together.

The beneficial effect such as the utlity model has simple in structure, micro-power consumption, highly sensitive, operating voltage range is wide.

Brief description of the drawings

Fig. 1 is the formation schematic diagram of the utility model with the fault-tolerant control framework model of ADAPTIVE ROBUST of dynamic fault reconstruct.

Embodiment

As shown in Figure 1, the utility model comprises the self-adaptation universal model 1 based on sliding formwork control, the output model 2 based on soft measurement, non-linear object 3, state observer 4 and failure reconfiguration model 5 with the fault-tolerant control framework model of ADAPTIVE ROBUST of dynamic fault reconstruct; The signal input part of the self-adaptation universal model 1 of described sliding formwork control and the output model 2 based on soft measurement links together, together with described non-linear object 3 is connected to the two ends of state observer 4, between the signal output part of the described self-adaptation universal model 1 based on sliding formwork control and the output model based on soft measurement 2 and described non-linear object 3 and state observer 4 links, be provided with gauge tap 6; Described state observer 4 is connected with failure reconfiguration model 5 and the output model based on soft measurement 2.

In Fig. 1, in the time that system is normally moved, gauge tap 6 is connected to the self-adaptation universal model 1 based on synovial membrane control.In the self-adaptation universal model 1 based on synovial membrane control, first select suitable sliding-mode surface, by utilizing sliding formwork control Reaching Law, the self-adaptation universal model of design based on sliding formwork control, thereby overcome the uncertainty of system, and to disturbing and controlling model and further improve robustness; State observer 4 utilizes Gao Mu-Guan Ye (Takagi-Sugeno) fuzzy model to realize, and to the input and output signal state of Real-Time Monitoring non-linear object 3, it carries out On-line Estimation to the fault of system state and non-linear object system simultaneously; The input information of estimating from state observer 4 is to failure reconfiguration model 5, in the time of the threshold value of state estimation value in nonlinear system 3 normal range of operation, gauge tap 6 is connected to the self-adaptation universal model 1 based on synovial membrane control, and controls by the path of the self-adaptation universal model 1 based on synovial membrane control, gauge tap 6, non-linear object 3; When threshold value within state estimation value exceedes nonlinear system 3 normal range of operation, controlled system can be seen as and break down.Now, gauge tap 6 is connected to the output model 2 based on soft measurement, and the input information estimated of state observer 4 is to the output model 2 based on soft measurement, and the path of output model 2 by soft measurement, gauge tap 6, non-linear object 3 is controlled.

The utility model, on the basis of above-mentioned connected mode, can also link together by described self-adaptation universal model 1 and non-linear object 3 based on sliding formwork control, and described output model 2 state observers 4 based on soft measurement link together.

Principle of work of the present utility model is:

As shown in Figure 1, the self-adaptation universal model 1 based on sliding formwork control and the output model based on soft measurement 2 receive input signal simultaneously.First, gauge tap 6 is connected to the self-adaptation universal model 1 based on sliding formwork control, and input signal is through the self-adaptation universal model 1 based on sliding formwork control and be connected to non-linear object 3 and state observer 4.In the time that system is normally moved, the signal that the self-adaptation universal model 1 based on sliding formwork control receives is by directly exporting final signal after non-linear object 3.Now, state observer 4 is also observed input signal and output signal simultaneously, and observe the state of current system in real time, and current observation signal is transferred to output model 2 and the failure reconfiguration model 5 based on soft measurement simultaneously.In the time that system detects fault, failure reconfiguration model 5 is classified and sets up failure reconfiguration model current deviation and fault-signal, afterwards, gauge tap 6 is connected to the output model 2 based on soft measurement, and by non-linear object 3, state observer 4, failure reconfiguration model 5, fault is compensated.

Claims

1. with the fault-tolerant control framework model of ADAPTIVE ROBUST of dynamic fault reconstruct, it is characterized in that: comprise the self-adaptation universal model (1) based on sliding formwork control, the output model (2) based on soft measurement, non-linear object (3), state observer (4) and failure reconfiguration model (5); The self-adaptation universal model (1) of described sliding formwork control and the signal input part of the output model based on soft measurement (2) link together, the two ends of described non-linear object (3) and state observer (4) are connected to together, between the signal output part of described self-adaptation universal model (1) based on sliding formwork control and the output model based on soft measurement (2) and described non-linear object (3) and state observer (4) link, are provided with gauge tap (6); Described state observer (4) is connected with failure reconfiguration model (5) and the output model based on soft measurement (2).

2. the fault-tolerant control framework model of the ADAPTIVE ROBUST with dynamic fault reconstruct according to claim 1, it is characterized in that: described self-adaptation universal model (1) and non-linear object (3) based on sliding formwork control links together, and described output model (2) state observer (4) based on soft measurement links together.