67results about How to "Reduce testing risk" patented technology

The invention discloses a body model thermal manikin system. The system is a test system which can simulate thermal response of a human body at a high temperature, can simulate the processes of heat absorption of the human body, heat conduction among different tissues, heat production, heat regulation, blood heat convection, body surface thermal radiation and sweating, and is used for medical assessment, aviation, performance analysis for a fire hazard and a high temperature environment, human comfort, fabric assessment and environmental measurement. The system comprises the human body thermal body model and a multi-branch blood circulation simulation system, wherein the human body thermal body model has a layered and sectioned body model structure; each layer and each section adopt materials which are similar to human biological tissue thermal characteristics corresponding to the layer; each layer and each section have different thermal physical property parameters; and the multi-branch blood circulation simulation system comprises a power source and a circulation line which is provided with flowing liquid; and the circulation line comprises a multi-caliber arterial system, a multi-caliber venous system, a control valve and a three-way or multi-way pipe for connection.

The invention discloses a field vibration load identification-based evaluation method and a system. The method comprises the steps of S1, obtaining the vibration acceleration time-domain data of to-be-tested equipment during the actual operation through the field test method; S2, subjecting the vibration acceleration time-domain data to mathematical treatment and obtaining the vibration acceleration frequency data of the equipment through calculating; S3, according to a pre-designed vibration simulation model of the to-be-tested equipment and a pre-determined main load exciting-force position of the to-be-tested equipment, inputting the vibration acceleration frequency data into the vibration simulation model, and obtaining the main load exciting force of the to-be-tested equipment through calculating; S4, subjecting the main load exciting force to mathematical treatment and obtaining the main exciting force load of the to-be-tested equipment through calculating. According to the technical scheme of the invention, based on the field vibration test and the simulated calculation, the actual vibration and force load environment for all parts and the sub-components of the equipment can be obtained according to limited and actually measured vibration data. The method and the system have the advantages of convenient operation, low testing risk, high evaluation accuracy and the like.

The invention discloses a method, system and device for control system simulation testing in a semiconductor manufacturing process. The method comprises the steps of generating simulation devices; setting attribute information, data types and communication protocols of the simulation devices, setting parameters and communication instructions and simulation operations between the simulation devices, setting coupling conditions, and establishing a device simulation model according to the coupling conditions; carrying out the simulation operations in the simulation model, and obtaining test results. According to the method, system and device for control system simulation testing, testing efficiency is improved, and testing risks are reduced.

The invention provides a hardware-in-the-loop test system for a two-way vehicle-mounted charger and test equipment, and relates to the technical field of electric vehicles. The hardware-in-the-loop test system for the two-way vehicle-mounted charger includes: a real-time industrial control computer; a CAN board connected with the real-time industrial control computer via a PCI bus; an FPGA board connected to the real-time industrial control computer through a PCI bus; a D/A board connected to the real-time industrial control computer through a PCI bus; and an I/O board connected to the real-time industrial control computer through a PCI bus. The whole system is controlled through the real-time industrial control computer simulating a whole vehicle controller, sends a test command to a charger controller through the CAN board, simulates the two-way vehicle-mounted charger through the FPGA board, and simulates the CC signal and the CP signal through the D/A board and I/O board, thereby completing the vehicle test and shortening the test cycle.

The invention discloses a productivity testing real-time adjustment method of an offshore oil well. The productivity testing real-time adjustment method comprises the following steps: monitoring wellhead pressure and flow at a productivity testing phase of the offshore oil well in real time; converting to obtain a bottom hole flowing pressure and time relation; judging whether testing-grade bottom hole reaches a stable state or not; if so, carrying out the next step; otherwise, continually testing; adjusting testing-grade testing time and replacing a working system in time; judging whether actually measured bottom hole flowing pressure is equal to a pre-set relation value or not; if so, carrying out the next step; otherwise, revising reservoir parameters corresponding to the pre-set relation value; judging whether a pre-set relation of an untested grade meets testing requirements or not; if so, designing testing flow and a time sequence and adjusting a testing scheme; otherwise, revising untested grade flow and time sequence, which correspond to the pre-set relation value. By adopting the method disclosed by the invention, a productivity testing scheme is adjusted in real time, and the success rate of the testing and the quality of recorded testing data are improved; testing risks are reduced and the testing cost is saved.

The invention relates to a microcomputer relay protection simulation system, and in particular relates to a simulation system of a microcomputer relay protection logical test signal system. The simulation system of the microcomputer relay protection logical test signal system comprises a comprehensive protector, a switch which is connected with the comprehensive protector to form a circuit and a secondary circuit signal system of the switch, and the simulation system of the microcomputer relay protection logical test signal system also comprises a signal power supply, wherein the signal power supply, the switch and the secondary circuit signal system of the switch are connected with the comprehensive protector in parallel. The simulation system provided by the invention can realize simulation on working conditions, a control loop and a secondary signal environment of the switch in a relay protection secondary circuit, thus an application logical program test of the comprehensive protector can be changed into a laboratory simulation test from field measurement.

The embodiment of the invention relates to the technical field of wireless communication, in particular to a multi-mode driving method, a multi-mode driving system and a multi-mode driving terminal which are used for conveniently realizing the customizing and updating of multi-mode hardware. The method provided by the embodiment of the invention comprises the following steps of: after an operating system layer receives data and a mode driving calling order which carries a mode identifier and is sent by a control abstraction layer through a uniform interface, calling a preset multi-mode common interface, wherein the uniform interface is suitable for multi-mode information transmission; and determining the current mode according to the mode identifier, calling a current mode hardware interface, and driving hardware corresponding to the current mode. As multi-mode common functions are abstracted and separated form differentiation functions for execution, a development mode is not required to be customized again when mode hardware is replaced, so that software development and test cost is reduced and a risk caused by test of an operator is reduced simultaneously.

The invention discloses a migration data verification method for a power dispatching automation system. The migration data verification method comprises the steps of selecting a new master station and an old master station corresponding to service migration of the power dispatching automation system, selecting some to-be-verified substation in the old master station, disconnecting a normal communication channel of the to-be-verified substation and the old master station and establishing a corresponding analog substation, enabling remote control points to be selected in the new master station and the old master station for the analog substation and serve as current remote control points, sequentially issuing a remote control selection command, a remote control execution command or a remote control revocation command according to the current remote control points, collecting original data of issued commands of the current new master station and the current old master station through the analog substation, checking and comparing the original data to finish data verification of every remote control point, and finally restoring the normal communication channel of the to-be-verified substation and the old master station. The migration data verification method can guarantee migration of the power dispatching automation system between the new master station and the old master station, and has the advantages of being quick in verification speed, high in verification efficiency, good in verification accuracy, and simple and practical.

The invention provides a test method and a test system for port forwarding performance. The method comprises the steps as follows: S100, a first test terminal sends a request message to a forwarding terminal; S200, the first test terminal accesses a database of a second test terminal according to a port forwarding channel; and S300, the forwarding terminal records forwarding time and analyzing the forwarding time, and thus a port forwarding performance test is completed. According to the method and the system provided by the invention, the test is performed during a use process instead of being performed by a simulative forwarding process, close to practical application, and thus test quality is ensured. The operation is simple and convenient, test efficiency is improved, and test resources are saved.

The invention discloses a hybrid probe card applied to silicon-based optoelectronic chip wafer-level online testing, and relates to the field of silicon photon and optoelectronic integration. A hybridprobe card comprises a concave groove array substrate, an optical fiber probe array fixed on the concave groove array substrate, an optical fiber connection port array connected with the optical fiber probe array, an optical fiber probe array control arm used for controlling the optical fiber probe array to move, a direct-current probe array, a direct-current connection port flat cable led out ofthe direct-current probe array, a high-frequency probe array, a high-frequency connection port array led out of the high-frequency probe array, and a direct-current high-frequency probe array controlarm used for controlling the direct-current probe array and the high-frequency probe array to move. According to the invention, the test cost and the test risk of silicon-based photoelectronic chip wafer-level online test can be reduced, the test efficiency is improved, and the method is compatible with the layout of most silicon-based photoelectronic chips.

The invention provides an elevator single-arm brake-sticking testing device and method. The elevator single-arm brake-sticking testing device comprises a testing box, an interface module and a switchmodule. The testing box is used for mounting of electrical parts required by brake-sticking testing; the interface module is arranged on the outer surface of the side wall of the testing box and comprises a plug-pull-type interface matched with plugins of an elevator control cabinet, and the plug-pull-type interface is electrically connected with the corresponding electrical parts; the switch module comprises a shift switch and an emergency stop switch; the shift switch is arranged on the outer surface of the side wall of the testing box and used for energizing or de-energizing of a brake-sticking electromagnet, and a button of the emergency stop switch is arranged on the outer surface of the side wall of the testing box. By utilizing the elevator single-arm brake-sticking testing device and method, testing operation can be simplified, the testing efficiency is improved, and the testing risk is reduced.

The invention discloses an AGC closed-loop test method which comprises: adjusting the active output of a generator in a simulated grid to generate grid data in response to a generator control command,wherein the simulated grid is a pre-built simulation grid for simulating an actual grid and includes at least one power plant; acquiring, processing and verifying the grid data; generating a main control command according to the grid data and a power plant control strategy, wherein the power plant control strategy is a preset control strategy for controlling the working state of the power plant,and the power plant includes at least one generator; responding to the main control command, and generating a corresponding generator control command according to the main control command; determiningwhether the power plant control strategy meets an expected control strategy according to the active output of the generator. The invention also discloses an AGC closed-loop test device. The AGC closed-loop test method and device can provide an accurate AGC test environment for the production operation of the grid and reduce a test risk.

The invention relates to an iOS network testing strategy comprising the following steps: step 1, setting whether the current operating environment is an online environment; if the current operating environment is the online environment, allowing an APP to connect a server, and if the current operating environment is not the online environment, then prohibiting the APP from connecting the server; step 2, setting whether to enable a testing mode; if the testing mode is enabled, only allowing the connection to a testing server, and if the testing mode is not enabled, only allowing the connectionto a formal server; step 3, when the connection to the testing server is allowed, requesting a testing domain name analysis table; in the case of request success, analyzing the obtained testing domainname analysis table, and in the case of request failure, returning error information; and step 4, after the analysis is completed, generating and outputting a local testing domain name mapping. The iOS network testing strategy provided by the invention can avoid the situation that the APP is not switched to the formal server in time after being formally issued to automatically sett the conditionsof the server corresponding is avoided, the influence to the normal service is avoided as much as possible, the development is facilitated, the APP is tested, and the testing risk is reduced.

The invention discloses a detection system and a detection method of a vehicle-mounted tracker. The detection method includes: S1. generating a plurality of sets of driving data including driving speed, steering angle and driving time of a vehicle, and the driving time being smaller than a first threshold value and a change value of the driving speed being greater than a second threshold value and/or the steering angle being greater than a third threshold value; S2. transmitting a set of driving data which are not transmitted to a baseband chip of the vehicle-mounted tracker; and S3. detecting whether the vehicle-mounted tracker raises an alarm, if yes, judging the vehicle-mounted tracker to be normal in work, then returning to the step S2, till the plurality of sets of driving data are transmitted to the baseband chip, if no, judging the vehicle-mounted tracker to be abnormal in work, and then finishing a process. The detection system in the invention utilizes simulated driving data to detect whether the vehicle-mounted tracker works normally, thereby effectively shortening test time, reducing workload of a field test, lowering test risks, and saving test costs.

The invention provides a full-automatic single-grain testing device for a rectifier bridge. The device provided by the invention comprises a circuit switching module, a processor, a testing machine interface, and a testing socket. The testing machine interface is connected with the circuit switching module, and the circuit switching module is connected with the testing socket. The processor is connected with the circuit switching module. The testing machine interface is used for connecting a testing line of a testing machine, and the testing socket is used for connecting the rectifier bridge. The circuit switching module is used for switching the states of connection between the testing machine interface and the testing socket. The processor is used for controlling the circuit switching module to carry out the switching of the connection states. The device provided by the invention replaces a conventional mode of manual repeated clamping for testing, improves the testing efficiency of an invalid rectifier bridge, and reduces the testing risks.

The invention provides an interruption data continuous association battery test method, which comprises the following steps that S1, a battery test system performs charge and discharge test on a battery, and records the test data at the same time; S2, the battery test system provides the recorded data for self test software or provides the recorded data for external test equipment for continuous test through a port or a channel of the battery test system. According to the interruption data continuous association battery test method, the recorded test data is stopped from being tested through the port or the channel of the battery test system according to requirements, and a new test is started; after the new test is started, the test data of the battery test system is continued to the original test data for testing, short-term test can be interspersed when the equipment is subjected to long-term test, the equipment utilization rate is improved, the equipment is replaced to continue the test when the equipment is damaged, and the risk generated when the test is abnormal is reduced.

The invention discloses a satellite discharge depth over-limit diagnosis and recovery test method. A power supply controller simulator and a storage battery interface management unit simulator are used as ground simulation equipment for a fault test, input parameters of a fault trigger condition are therefore provided for the test, corresponding service support equipment is selected as satellite discharge fault detection, discharge depth over-limit faults are divided into a whole-satellite second-level fault, a whole-satellite fourth-level fault, a parallel fault and a coupling fault, manufacturing schemes corresponding to the different types of faults are made according to fault mechanisms, and the satellite discharge depth over-limit diagnosis and recovery test is completed. Thus, the simulator modifies determination parameters of power management software or modifies parameter determining manners of the software to simulate the faults, performance decrease degree and using disc in the actual battery test process are reduced, the service life of the battery is prolonged, the test risk is reduced, and the satellite security is ensured.