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81results about How to "Easy parameter setting" patented technology

Physician's programmer for implantable devices having cardiac diagnostic and patient alerting capabilities

A programmer is provided for an implantable medical device capable of detecting cardiac events in a human patient. The programmer has a two-way wireless data communication mechanism with the implantable medical device and a graphical user interface is included which has a display and input mechanism designed for use in programming patient specific parameters for the detection of ST shift related cardiac events.
Owner:ANGEL MEDICAL SYST

Method and device for automatically controlling water levels of multiple channel sections

The invention relates to a method and a device for automatically controlling water levels of multiple channel sections. The device comprises a water delivery open channel and a plurality of gates, wherein a water-dividing opening is reserved at a place close to the upstream of each gate; a gate opening and closing mechanism of each gate is connected with a control unit of each gate; and the control units are connected through a network. The control unit comprises a gate-front water level sensor, a gate-rear water level sensor and a gate open degree sensor, wherein the gate-front water level, gate-rear water level and the gate open degree sensors are connected with a low pass filter; the low pass filter is connected with an A / D converter; the A / D converter is connected with a data acquisition unit; the data acquisition unit is connected with an industrial control computer; the industrial control computer is connected with a PLC; and the PLC is connected with the gate opening and closing mechanism. Due to the adoption of upper and lower stream data acquisition, gate and water flow control simultaneously, the method and the device avoid the influences of long time delay and coupling effect of the long-distance large-scale water delivery open channel and give full play to the advantages of the upstream control and the downstream control method in the water level regulation and water quantity regulation.
Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Dynamic bottleneck analytical method of semiconductor production line

The invention discloses a dynamic bottleneck analytical method of a semiconductor production line. The method includes the steps that firstly, a key parameter capable of representing the bottleneck device characteristic is selected to be used as a bottleneck analysis index; secondly, the comprehensive bottleneck degree of equipment is described quantificationally through a combined definition method from the aspects of the relative production load, the utilization rate, the queue length of a buffer area and the like of the equipment, the bottleneck equipment is recognized by combining a bottleneck judging mechanism, and an equipment number is obtained; furthermore, a bottleneck prediction model of the semiconductor production line is established through an increased trimming type neural network based on the key parameter and the bottleneck equipment number, and the network structure is corrected in a dynamic mode based on a closed-loop control concept; at last, the key parameter affecting the bottleneck is analyzed through a single-factor testing method, and the reasonable value range of the parameter is obtained during bottleneck stabilization. By the adoption of the method, the bottleneck equipment can be recognized rapidly and effectively, the bottleneck at the next moment can be predicted, bottleneck drift is analyzed quantificationally under the condition of the dynamic effect of the key parameter, and a basis is laid for optimal dispatching of the semiconductor production line.
Owner:BEIJING UNIV OF CHEM TECH

Physician's programmer for implantable devices having cardiac diagnostic and patient alerting capabilities

A programmer is provided for an implantable medical device capable of detecting cardiac events in a human patient. The programmer has a two-way wireless data communication mechanism with the implantable medical device and a graphical user interface is included which has a display and input mechanism designed for use in programming patient specific parameters for the detection of ST shift related cardiac events.
Owner:ANGEL MEDICAL SYST

Double-cylinder synchronous control hydraulic system and engineering machinery

The invention discloses a double-cylinder synchronous control hydraulic system which comprises a main reversing valve, a first oil cylinder and a second oil cylinder, wherein a first balance valve is arranged on an oil inlet path of a rodless cavity of the first oil cylinder, a second balance valve is arranged on an oil inlet path of a rodless cavity of the second oil cylinder, the first balance valve and the second balance valve are both pilot leakage balance valves, an oil control hole of the double-cylinder synchronous control hydraulic system is communicated with an oil inlet path of a rodless cavity of a corresponding oil cylinder, and an oil leakage hole of the double-cylinder synchronous control hydraulic system is communicated with an oil tank. The double-cylinder synchronous control hydraulic system further comprises a one-way throttle valve, an oil inlet of the one-way throttle valve is communicated with the main reversing valve, and an oil outlet of the one-way throttle valve is communicated with the oil inlets of the first balance valve and the second balance valve. Double hydraulic oil cylinders of the system can run synchronously, the model selection and parameters setting of hydraulic elements of the double hydraulic oil cylinders are easier, the cost is low, the realization is easy, and the complete machine debugging is relatively simple. The invention also discloses engineering machinery provided with the double-cylinder synchronous control hydraulic system.
Owner:XUZHOU HEAVY MASCH CO LTD

Inspection Apparatus, Inspection Method, And Program

A photometric processing part calculates a normal vector of a surface of a workpiece from a plurality of luminance images acquired by a camera in accordance with the photometric stereo method, and performs synthesis processing of synthesizing at least two images out of an inclination image made up of pixel values based on the normal vector calculated from the plurality of luminance images and at least one reduced image of the inclination image, to generate an inspection image showing a surface shape of the inspection target. In particular, a characteristic size setting part sets a characteristic size which is a parameter for giving weight to a component of a reduced image at the time of performing the synthesis processing. The photometric processing part can generate a different inspection image in accordance with the set characteristic size.
Owner:KEYENCE

Inspection Apparatus, Inspection Method, And Program

To facilitate setting of a parameter at the time of generating an inspection image from an image acquired by using a photometric stereo principle. A photometric processing part generates an inspection image based on a plurality of luminance images acquired by a camera. A display control part and a display part switch and display the luminance image and the inspection image, or simultaneously display these images. An inspection tool setting part adjusts a control parameter of the camera and a control parameter of an illumination apparatus. Further, when the control parameter is adjusted, the display control part updates the image being displayed on the display part to an image where the control parameter after the change has been reflected.
Owner:KEYENCE

Simulating method for flight quality evaluation training of transport plane test pilot

The invention belongs to a flight test-flight technique and relates to a flight simulating method for flight quality and operating characteristics of a transport plane test pilot. The flight simulating method comprises the following steps: taking a certain type of transport plane as a prototype and establishing a dynamic simulating model for different quality characteristics of the transport plane; confirming pneumatic parameters under the quality characteristics according to to-be-simulated different quality characteristics, and resolving an operation response of the airplane in real time according to the pneumatic parameters; performing flight quality modal parameter calibration on the resolved dynamic simulating model for the different quality characteristics, thereby meeting the expected quality and operating characteristics. By utilizing the method provided by the invention, the test pilot can experience a standard and continuous change process of the airplane operation and quality characteristics, so that the evaluating capacity of the test pilot for a task can be promoted; the operation and quality characteristics of the presently simulated airplane can be graphically displayed in real time by combining flight quality standard evaluation indexes; the flight quality level can be directly given; the physical significance is clear; the training for the level evaluation habit of the test pilot is benefited.
Owner:CHINESE FLIGHT TEST ESTAB

Special control system for producing oil-gas well plunger gas lift

InactiveCN104695906AReliable and effective motion controlA method for reliable and efficient motion controlFluid removalWell/borehole valve arrangementsMicrocontrollerControl signal
The invention discloses a special control system for producing an oil-gas well plunger gas lift, and belongs to the technical field of oil-gas extraction in oil-gas fields. A power supply module provides energy to a device; a communication module is communicated with an indoor monitor and an upper computer; a storage module is used for storing set parameters and site data; a keyboard is used for inputting instructions to the device; a display module is used for displaying information; a proximity switch is used for receiving signals of a plunger upwards moving to a well mouth; a pressure switch is used for receiving sleeve pressure and oil pressure signals of the well mouth; a single-chip is used for communicating and controlling all modules; an electromagnetic valve receives control signals of the single-chip to open / close a pneumatic film valve; and the pneumatic film valve controls the opening / closing of an oil-gas well. In order to enable the device power consumption to be the lowest, the electromagnetic valve adopts a two-position five-way double-electric-control electromagnetic valve. The control device for the plunger gas lift has the advantages of simple structure, convenience for parameter setting, safety, reliability and effective improvement of the output of the oil-gas well.
Owner:PETROCHINA CO LTD

Electric self-propelled numerical-control plot drill seeder

The invention relates to an electric self-propelled numerical-control plot drill seeder aiming to solve the technical problems that plot seeders in the prior art are nonuniform in seeding and not precise enough in row length control. The electric self-propelled numerical-control plot drill seeder comprises a walking mechanism, an automatic control device, a seed separation mechanism, a furrowing and seeding mechanism and a lifting mechanism, and the seed separation mechanism, the furrowing and seeding mechanism and the lifting mechanism are correspondingly arranged on the walking mechanism; the seed separation mechanism comprises a seed separation unit and a seed storage unit, the seed separation unit is arranged above the furrowing and seeding mechanism, and the seed storage unit is arranged above the seed separation unit; the walking mechanism is an electric walking mechanism; the seed separation unit comprises a seed separation disc, a seed separation servo motor or a seed separation stepping motor, and the seed separation servo motor or the seed separation stepping motor is arranged below the seed separation disc, and drives the seed separation disc to rotate; the electric self-propelled numerical-control plot drill seeder has the advantages of uniform between-row and in-row seeding, high degree of automation, stepless row length setting (arbitrary row length setting), high row length control accuracy, simple operation, high sowing efficiency and the like.
Owner:李延民

Transponder for an optical communications system and optical communications system

A transponder is adapted to communicate with a further transponder over at least one optical channel. The transponder comprises a first receiver having a monitor and a first transmitter. The first receiver is configured to receive a first signal transmitted by a second transmitter of the further transponder over the optical channel. The monitor is configured to provide at least one channel parameter describing the optical channel in dependence on the received first signal. The first transmitter is configured to transmit the at least one channel parameter to the further transponder for adjusting a pre-equalizer of the further transponder.
Owner:HUAWEI TECH CO LTD

Electric steam generator and steam generator control system

InactiveCN104359096AZero emissionHigh efficiency and energy saving outputSteam generation heating methodsBoiler controlWater softeningElectricity
The invention discloses an electric steam generator and a steam generator control system. The electric steam generator comprises a water softening machine set used for softening tap water, a water tank used for storing soft water, a heat pump machine set used for heating the soft water, a high-pressure pump used for atomizing water, a reaction kettle used for producing steam, a circulating pump used for circulating the soft water, and an electromagnetic heater used for heating the heat pump machine set and the reaction kettle, wherein the heat pump machine set is an air energy heat pump machine set, the steam outlet port of the reaction kettle is parallelly connected with a gas storing tank through a pipe network. By virtue of the technical scheme, the electric steam generator and the steam generator control system can be used for realizing zero pollution, zero release, and efficient energy-saving gas supply and heat supply, and realizing remote centralized management under an unattended operation condition.
Owner:TAICANG DENASEN MECHANICAL & ELECTRICAL ENG CO LTD

Industrial automation control device

The invention provides an industrial automation control device and belongs to the technical field of industrial control. The industrial automation control device comprises a human-machine interactionmodule and a plurality of measurement and control modules. The human-machine interaction module is disposed in a monitoring center. The plurality of measurement and control modules are arranged in different industrial devices. The human-machine interaction module includes a host computer, an alarm device, a display screen, and a control panel. A first controller, a data storage unit, and a data analysis unit are disposed in the host computer. Each measurement and control module includes a signal detection module, a second controller, a wireless data transceiver module and a camera. The industrial automation control device can achieve network monitoring and management, understands the internal operating conditions of industrial devices in real time, monitor the operation of all industrial devices, avoids frequent inspection of management workers, reduce workload, achieves data collection and big data analysis, optimizes the parameter setting of the industrial devices, ensures the overall stability of industrial devices, achieves energy-efficient and environment-friendly operation, and achieves full-automatic control.
Owner:NORTH CHINA UNIVERSITY OF SCIENCE AND TECHNOLOGY

Parameter setting device and parameter setting method

A parameter setting device sets parameters for driving a machine in which a numerical controller is incorporated. The parameter setting device uses a machine configuration file in which information is described pertaining to the configuration of the machine. Furthermore, the parameter setting device is equipped with a parameter generating unit for generating parameters based on the machine configuration file, and a parameter setting unit for setting the generated parameters in the numerical controller.
Owner:FANUC LTD

Intelligent integrated control system of bag-type dust remover

InactiveCN110052095ALow costOptimize energy saving and dust removalHuman health protectionDispersed particle filtrationPerformance indexEngineering
The invention discloses an intelligent integrated control system of a bag-type dust remover. The intelligent integrated control system comprises a master controller, an electric equipment interface part, a terminal parameter setting system and a remote monitoring system and is characterized in that the master controller is used for detecting the pressure and temperature of a dust gas inlet / outlet,the pressure of compressed air blown by an air tank, induced draft fan power and gas emission indexes, achieving self-optimization according theses input / output signals and the optimal performance index and dynamically setting the filter air sped of the dust remover and the dust removing cycle of a dust removing process; a pulse dust removing instrument is used for achieving the pulse washing control function of the bag type dust remover, and a gas purification index detection device based on laser vision is used for shooting the purified gas image of a set area and acquiring gas particle indexes; the terminal parameter setting system is used for setting related parameters; the remote monitoring system is used for revising the self-optimization control strategies of the dust remover according to regional industry atmosphere emission indexes to perform performance keeping and cost control. The intelligent integrated control system has the advantages that the system can be assembled andmounted according to actual conditions, control system cost is lowered, and optimized energy conservation and dust removing are achieved.
Owner:UNIV OF JINAN

Chip issuing equipment and chip issuing system

The invention discloses chip issuing equipment and a chip issuing system, wherein the chip issuing equipment comprises a chip loading device, a chip transmission passage, a chip writing device and a chip sorting device, wherein the chip loading device is used for loading chips to be issued into the chip transmission passage, the chip transmission passage is used for transmitting the chips to be issued to the chip writing device through the self weight of the chips to be issued, the chip writing device is used for writing issuing data into the chips to be issued, detecting issued chips and outputting detection results, and the chip sorting device is used for sliding the issued chips into successfully issued chip loading tubes or unsuccessfully issued chip loading tubes according to the detection results. The chip issuing equipment and the chip issuing system disclosed by the invention have the advantages that pneumatic transmission and infrared sensing detection modes are adopted, the computer software control is matched for completing the whole-process automatic feeding, the issuing, the detection and the loading of the chips, the issuing speed is high, and in addition, the issuing accuracy is high.
Owner:NORTH CHINA ELECTRICAL POWER RES INST +2

Fuzzy prediction control system of power supply for electrostatic dust collection and control method of fuzzy prediction control system

InactiveCN105170333AImprove adaptabilitySolve problems that are difficult to model mathematicallyElectric supply techniquesMathematical modelControl signal
The invention discloses a fuzzy prediction control system of a power supply for electrostatic dust collection and a control method of the fuzzy prediction control system. The control method comprises the steps that an analog signal acquisition unit converts an acquired analog signal to an electrical signal, and outputs the electrical signal to a T-S fuzzy controller after carrying out conditioning such as filtering on the electrical signal, and the T-S fuzzy controller first recognizes a first component and a conclusion part of a T-S fuzzy model according to the conditioned signal, obtains the T-S fuzzy model, then converts the T-S fuzzy model to a step response model, and outputs the step response model to a prediction controller 23 to act as a prediction model; the prediction controller takes the step response model as the prediction model, carries out rolling optimization and feedback compensation, and outputs a control signal to a digital logic unit; and the control signal passes the digital logic unit and then acts as a driving signal of a control driving unit to carry out fuzzy prediction control on the power supply. The problem that a mathematical model can not be established easily for an electrostatic dust collection system is solved, and the dependence of the prediction controller on the accurate mathematical model is reduced.
Owner:JIANGSU UNIV OF SCI & TECH

Electric automatic control system

The invention provides an electric automatic control system and belongs to the technical field of industrial control. The electric automatic control system comprises a monitoring terminal and a plurality of automatic control terminals, wherein the monitoring terminal is arranged at a monitoring center, and the plurality of automatic control terminals are respectively arranged in different electrical devices; the monitoring terminal comprises a host computer, an alarm device, a display screen and an operation panel; a first controller, a data storage unit and a data analysis unit are arranged in the host computer; each automatic control terminal comprises a signal detection module, a second controller, a wireless data receiving and transmitting module and a camera. Via the system, networkedmonitoring management can be realized, operation conditions of an internal part of each electrical device can be known in real time, operation of all electrical devices can be effectively monitored,frequent patrol inspection of management personnel is not needed, workloads can be reduced, data collection and big data analysis can be realized, and parameter setting of the electrical devices can be optimized; overall stable, energy-saving and environment friendly operation of the electrical devices can be ensured, and full automatic control can be realized.
Owner:GUANGZHOU HUALI SCI & TECH VOCATIONAL COLLEGE

Multichannel digital measurement and control system based on I2C and CAN bus (inter-integrated circuit and controller area network bus)

The invention provides a multichannel digital measurement and control system based on I2C and CAN bus (inter-integrated circuit and controller area network bus), comprising master controller unit (1),I2C bus isolating unit (2), I2C bus driving unit (3), I / O (input / output) parallel extension unit (4), I / O isolating unit (5), CAN bus isolating unit (6), CAN bus output protection unit (7) and user interface unit (8). The multichannel digital measurement and control system based on I2C and CAN bus has the advantages that parameter setting is flexible and convenient, quick, stable and seamless switching can be provided, reliability and speediness of the multichannel digital input / output measurement and control system are guaranteed, and the system is adaptive to workplaces with complex electromagnetic environment, long transmission distance and high communication accuracy.
Owner:WUHAN UNIV OF TECH

Air conditioner and self-cleaning method thereof

The invention discloses an air conditioner and a self-cleaning method thereof, and belongs to the technical field of air conditioners. The air conditioner has a self-cleaning mode for cleaning a heatexchanger and a sterilization mode. The self-cleaning method comprises the following steps of determining pollutant information of the environment where the air conditioner is located, determining cleaning parameters of the air conditioner based on the pollutant information, and controlling the operation of the self-cleaning mode and / or the sterilization mode according to the cleaning parameters.According to the self-cleaning method of the air conditioner, the cleaning parameters of the air conditioner can be determined according to the pollutant information, and the operation of the self-cleaning mode and the sterilization mode of the air conditioner can be adjusted according to the determined cleaning parameters, so that the air conditioner can remove pollutants on the heat exchanger tobe cleaned more efficiently, the parameter setting of the cleaning process of the air conditioner is optimized, and the optimal self-cleaning effect is guaranteed.
Owner:QINGDAO HAIER AIR CONDITIONER GENERAL CORP LTD

Inspection apparatus, inspection method, and program

To facilitate setting of a parameter at the time of generating an inspection image from an image acquired by using a photometric stereo principle. A photometric processing part generates an inspection image based on a plurality of luminance images acquired by a camera. A display control part and a display part switch and display the luminance image and the inspection image, or simultaneously display these images. An inspection tool setting part adjusts a control parameter of the camera and a control parameter of an illumination apparatus. Further, when the control parameter is adjusted, the display control part updates the image being displayed on the display part to an image where the control parameter after the change has been reflected.
Owner:KEYENCE

Method, program and apparatus for optimizing configuration parameter set of system

The method includes the steps of: storing a plurality of parameter sets; selecting one of the plurality of parameter sets as a test parameter set to be evaluated; measuring performance only for one batch job out of N (N is a positive integer) batch jobs constituting full set performance measurement for the test parameter set; and calculating an evaluation value on the basis of a difference between an integral of measurement values obtained until the performance has been measured for r (r is a positive integer smaller than N) batch jobs by using the test parameter set; and an integral of mean measurement values of the performance for the r batch jobs by using an optimal parameter set which is one of the parameter sets used in the performance evaluation having been performed; determining whether or not the evaluation value has deviated from a predetermined evaluation continuing range; and terminating the evaluation of the test parameter set on condition that it is determined that the evaluation value has deviated form the evaluation continuing range toward performance deterioration. It is preferable that the predetermined evaluation continuing range be of a width from a width W where r is equal to zero, to a width W′ (0≦W′<W) where r is equal to N. Furthermore, it is preferable that W′ be zero.
Owner:IBM CORP

Two-stage isolation type Ethernet dual-redundancy communication system

The invention provides a two-stage isolation type Ethernet dual-redundancy communication system. The two-stage isolation type Ethernet dual-redundancy communication system comprises a main controllerunit, a preceding stage isolation conversion unit, an Ethernet controller unit, a final-stage isolation conversion unit, a data network transmission cable and a user interface unit, all of which are connected successively. The two-stage isolation type Ethernet dual-redundancy communication system comprises two independent Ethernet peripheral circuits which can realize a redundancy switching function; that is to say, when one circuit is in fault or is damaged, the system is automatically switched to the other circuit to guarantee data reliability when the system communicates with an external device. The two-stage isolation type Ethernet dual-redundancy communication system is particularly suitable for the occasions with far communication distances, high communication precision requirementsand strong electromagnetic interference in an on-site work environment, such as a ship integrated power energy management system, a distributed transformer substation, a power electronic conversion device and an industrial on-site monitoring system.
Owner:WUHAN UNIV OF TECH

Remote electricity larceny prevention alarm system for distribution box

The invention discloses a remote electricity larceny prevention alarm system for a distribution box. The remote electricity larceny prevention alarm system comprises a distribution metering box, a key disk, a main controller, an unpacking detection module, an alarm module, a GSM (Global System for Mobile Communications) short message module, a power supply module, a filter module, a network alarm receiving center and a mobile short message gateway, and is characterized by further comprising a power outage detection module, a key identification module, an anti-control power failure module, a stroke switch monitoring module and an audio monitoring module, wherein the unpacking detection module, the alarm module, the GSM short message module, the power outage detection module, the key identification module, the anti-control power failure module and the audio monitoring module are connected with the main controller, and the GSM short message module realizes the alarm and control to the network alarm receiving center through the mobile short message gateway; the power supply module is processed by the filter module and then supplies power to each module. The remote electricity larceny prevention alarm system provided by the invention is reasonable in design, and can only be opened by the specially authorized key disk, otherwise the system can report an illegal opening alarm to the center, so that the electricity larceny phenomena is effectively prevented.
Owner:毛振刚

Centrifugal vortex type ballast water filtering device with self-adaptive cleaning function

The invention relates to a centrifugal vortex type ballast water filtering device with a self-adaptive cleaning function, which comprises a filter cartridge assembly, a water suction pump, a filter screen filter cartridge, a sewage collection assembly and a pressure control assembly. The filter cartridge assembly is composed of two cascade conical vertical filter cartridges, and internal spiral threads are arranged on the inner surfaces of the conical vertical filter cartridges. The water suction pump is arranged at the front end of an inlet of a first-stage conical vertical filter cartridge.The filter screen filter cartridge is arranged at a water outlet of a second-stage conical vertical filter cartridge. The sewage collection assembly comprises a sewage discharge pipeline communicatedwith sewage discharge outlets of the two stages of conical vertical filter cartridges simultaneously, sewage discharge valves arranged at the sewage discharge outlets, a sewage suction pump arranged on the sewage discharge pipeline and a sewage collector. The pressure control assembly is used for achieving self-adaptive control over the opening degree of the sewage discharge valves at the sewage discharge outlets, the power of the water suction pump and the power of the sewage suction pump. Compared with the prior art, the centrifugal vortex type ballast water filtering device has the advantages of effective separation of large-particle impurities, no by-product after separation, high ballasting efficiency, physical centrifugation, high automation degree, simple operation and the like.
Owner:SHANGHAI JIAO TONG UNIV

Non-contact automatic voltage regulation device

InactiveCN107732919ARegulating receiving terminal voltageAdjust the receiving terminal voltageAc network voltage adjustmentOvervoltageTransformer
The invention discloses a non-contact automatic voltage regulation device, which comprises an input interface, a power module unit, a transformer unit, a controller unit and an output interface, wherein the power module unit is sequentially turned on or off according to trigger pulses output by a controller unit; the controller units outputs the trigger pulses used for controlling thyristors in the power module unit, adjusts a compensation gear and a compensation direction of the transformer unit, monitors and obtains an output current value flowing through a transformer secondary part in realtime, combines the obtained input end voltage value with the obtained output end voltage value, realizes overvoltage protection, undervoltage protection and overcurrent protection, and achieves voltage-stabilizing control over the output voltage according to a compensation voltage obtained by the transformer unit; and the output interface is used for providing an output stable AC power supply toa user. By connecting the non-contact automatic voltage regulation device in series in a middle section or a tail end of a feeding line, the line voltage is adjusted in a certain range, so that the output voltage is 220 + / -7 V, meanwhile the line loss of the line can be reduced.
Owner:武汉天富海科技发展有限公司

Video splicing method based on minimum boundary distance

The invention discloses a video splicing method based on a minimum boundary distance. The method mainly involves performing interframe registering on source video frames by use of a scale invariant feature transform algorithm, then detecting motion objects based on a minimum boundary distance algorithm and carrying out video fusion. The method provided by the invention can effectively overcome interference of such objective factors as illumination, ghosting artifacts and the like, and has the advantages of excellent splicing effect, concise calculation, simple parameter arrangement and the like.
Owner:HOHAI UNIV

Multichannel digital measurement and control system based on I2C bus

The invention provides a multichannel digital measurement and control system based on an I2C bus. The multichannel digital measurement and control system comprises a master controller unit, an I2C busisolation and conversion unit, an I2C bus driving conversion unit, an I2C bus parallel input / output conversion unit, a multichannel input / output isolation and conversion unit and a user interface unit. The system makes parameter setting flexible and convenient, can perform quick, stable and seamless switching and can also adapt to working occasions of complicated electromagnetic environment, longer transmission distance and high communication accuracy, and the reliability and rapidity of the multichannel digital input / output measurement and control system are ensured.
Owner:WUHAN UNIV OF TECH

Method, program and apparatus for optimizing configuration parameter set of system

The method includes the steps of: storing a plurality of parameter sets; selecting one of the plurality of parameter sets as a test parameter set to be evaluated; measuring performance only for one batch job out of N (N is a positive integer) batch jobs constituting full set performance measurement for the test parameter set; and calculating an evaluation value on the basis of a difference between an integral of measurement values obtained until the performance has been measured for r (r is a positive integer smaller than N) batch jobs by using the test parameter set; and an integral of mean measurement values of the performance for the r batch jobs by using an optimal parameter set which is one of the parameter sets used in the performance evaluation having been performed; determining whether or not the evaluation value has deviated from a predetermined evaluation continuing range; and terminating the evaluation of the test parameter set on condition that it is determined that the evaluation value has deviated form the evaluation continuing range toward performance deterioration. It is preferable that the predetermined evaluation continuing range be of a width from a width W where r is equal to zero, to a width W' (0@W'<W) where r is equal to N. Furthermore, it is preferable that W' be zero.
Owner:IBM CORP
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