6 results about "Fault Simulator" patented technology

The utility model discloses a self-adaptive fault simulator for an engine throttle valve. Comprising a fuse F1, a diode D1, a first capacitor C1, a second capacitor C2, a third capacitor C3, a fourth capacitor C4, a first resistor R1, a second resistor R2, a third resistor R3, a fourth resistor R4, a fifth resistor R5, a sixth resistor R6, a first potentiometer R7, a second potentiometer R8, a microcontroller MCU, a first MOS tube Q1, a second MOS tube Q2, a first socket J1, a second socket J2, a third socket J3 and a fourth socket J4. A fifth socket J5 and a sixth socket J6. Compared with the prior art, software threshold adjustment and a special fault throttle valve are abandoned, the simulator is adopted to be connected with the ECM and the throttle valve signal line in series, the voltage / time deviation value is set through the potentiometer, an original throttle valve position signal is overlaid in real time and then input into the ECM, and throttle valve self-adaptive deviation signals are controlled according to needs.

The utility model relates to a low-voltage transformer area mutual inductor user simulation training device. The device comprises a program control virtual load power supply, a current booster, a current open circuit protection unit and a fault simulator which are installed in a simulation device. The isolation disconnecting link, the simulation mutual inductor, the simulation junction box and the three-phase four-wire mutual inductor simulation electric energy meter are installed on an external panel of the simulation device. The simulation junction box is connected with the fault simulator; one path of current signal source in the program control virtual load power supply passes through the current open circuit protection unit and then is connected to the input end of a secondary wiring terminal of the simulation mutual inductor; the output end of the secondary wiring terminal is connected to the three-phase four-wire mutual inductor simulation electric energy meter through the simulation wiring box and the fault simulator to form a secondary metering loop.

The present application relates to the technical field of equipment intelligent operation and maintenance, and particularly relates to a device fault description and maintenance measure semantic matching method, comprising the following steps: S1, inputting fault text and maintenance corpus into a same frozen encoder to generate a latent vector, and outputting a drift key vector after linear drift of the fault vector through a light matrix; S2, taking the drift key vector as a query to retrieve k candidate measures and aftereffects, splicing the candidate measures and aftereffects into a segment and applying a mask to generate a masked measure list; S3, inputting each masked measure into a frozen simulator to generate a predicted state, calculating a complementary overlap degree of the predicted state with an original fault, and retaining those less than a threshold value. Through latent space semantic alignment, dynamic causal mask driven by working conditions, and complementary overlap verification based on a fault simulator, the present application realizes high correlation, low conflict and explainable consistent semantic matching between unstructured fault descriptions and maintenance measures.

The invention relates to the technical field of angle steel tower construction, in particular to an angle steel tower unmanned construction operation method and system based on robot control. Training to obtain an equipment limited simulator; obtaining a target environment parameter of the target construction environment, inputting the target environment parameter into the equipment limited simulator to obtain an equipment limited degree, and generating a recommended construction parameter range based on the equipment limited degree; configuring preset parameters of the target equipment, acquiring ideal operation data of the equipment under the target environment parameters according to the preset parameters and the equipment limitation degree, and monitoring actual measurement data of the equipment in real time to serve as actual operation data of the equipment; and when the deviation between the ideal operation data of the equipment and the actual operation data of the equipment is greater than a preset threshold value, inputting the ideal operation data of the equipment and the actual operation data of the equipment into a pre-trained equipment fault simulator, and outputting a fault judgment result. The precision, safety and efficiency of unmanned construction of the angle steel tower are improved.

The invention belongs to the field of aviation airborne system safety modeling and analysis, and particularly relates to a power generation system safety evaluation method based on a SysML correction model. Comprising the following steps: generating a SysML model; establishing a functional logic model by reading the SysML model of the system; adding a failure state on the basis of the function logic model to carry out fault analysis and establish a fault propagation model; establishing a mathematical model, a system architecture, a fault model, a transient / steady-state fault monitoring model and a fault simulator of the power generation system, forming a fault propagation relation analysis model of the power generation system, and judging a minimum cut set of a failure state according to the fault propagation relation analysis model; correcting the fault propagation model through the minimum cut set of the failure state and the influence of the fault on the local part, the higher level, the adjacent level and the system output; and performing model-based reliability and safety design analysis according to the corrected fault propagation model, generating a fault tree model of the power generation system, and performing power generation system safety assessment according to the fault tree model.

The utility model discloses a transformer winding deformation fault simulator, and belongs to the field of winding deformation fault simulation. The problem that an existing simulator cannot restore real winding characteristics and cannot achieve three-phase collaborative testing is solved. The simulator comprises an analog circuit module and a switch control module. The analog circuit module is constructed based on a transformer winding equivalent circuit and comprises an input end, an output end, inductor assemblies connected in series, ground capacitor assemblies connected in parallel and inter-cake capacitor assemblies. The switch control module comprises a plurality of single-pole double-throw switches, and movable contacts of the single-pole double-throw switches are respectively connected to adjusting nodes of the inductor assembly, the ground capacitor assembly and the inter-cake capacitor assembly; the single-pole double-throw switch is used for switching the contact to change the capacitance or inductance value of the access circuit so as to simulate the normal state or the deformation fault state of the transformer winding; the output interface of the analog circuit module is configured to be connected with a frequency response tester and used for generating a frequency response curve. The method is mainly used in the power system safety field.