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394 results about "Response capacity" patented technology

Response capacity definition, response capacity meaning | English dictionary. response. n (Psychol) a response that is transferred from the second to the first of a pair of stimuli.

Hybrid electric vehicle work mode switching process dynamic coordination control method

The invention discloses a hybrid electric vehicle working mode switching process dynamic coordination control method. Accelerator pedal depth is acquired by an EMS (engine management system) to obtain required vehicle torque, and an HCU (vehicle control unit) can select a work mode under a current working condition to work according to the required vehicle torque or the actual working condition; by controlling change rate from engine throttle percentage to target throttle percentage, the engaging speed of a clutch is reasonably controlled according to speed differences of an engine and a motor, insufficient dynamic output torque of the engine is offset by the quick response ability and the characteristic of accuracy torque control of the motor, and output torques of the motor and the engine are coordinated and allocated in the mode switching process. According to the technical scheme, the torque output of a hybrid power system is controlled, so as to reduce the dynamic process of the engine; oil consumption is reduced, so as to improve the economical efficiency; great fluctuation of the required vehicle torque is not generated in the mode switching process, so as to improve vehicle riding comfort; wear of the clutch is reduced, so as to ensure power transmission smoothness.
Owner:奇瑞新能源汽车股份有限公司

Method for coordinating and controlling quality change of coal in supercritical once-through boiler unit

The invention discloses a method for coordinating and controlling quality change of coal in a supercritical once-through boiler unit. The method is used for building a boiler master control provided with balanced indirect energy, and comprises the following steps: quantifying coal quantity by load; quantifying primary air quantity by the coal quantity; confirming a dominant role of instructions of the boiler master control; jointly debugging the ratios of wind, water and coal to ensure that the superheat degree of the boiler meets the requirement; meanwhile, ensuring the control precision of the front pressure of the boiler unit to meet the requirements of a power grid for changing range and speed rate. The method mainly solves the problem that the unit runs fast while the boiler efficiency is low, and builds a novel static feedforward, a load dynamic feedfoward, a pressure dynamic feedforward, and dynamic corrections of the feedforwards based on quality change of coal; the linkage of wind, water and coal quickens the responsiveness of the boiler; the joint debugging of water and coal solves the problem of quality change of coal, realizes the decoupling of water and coal and the decoupling of main steam pressure and superheat degree; the linear real-time coefficient modifies various experience curves; and a main steam pressure regulator of the boiler master control is subjected to the variable parameter control.
Owner:ELECTRIC POWER RES INST OF STATE GRID ANHUI ELECTRIC POWER

Multidirectional evacuating device for die-casting

The invention discloses a multidirectional evacuating device for die-casting, which comprises a vacuumizing unit and a vacuum control system. The vacuumizing unit comprises a vacuum pump, a vacuum tank, a cavity bleed-off passage, a pressure chamber bleed-off passage, die set bleed-off passages, a vacuum valve and electromagnetic valves; the cavity bleed-off passage is formed by a pipeline connected between the vacuum tank and the vacuum valve; the pressure chamber bleed-off passage is formed by a pipeline between the vacuum tank and a pressure chamber; each die set bleed-off passage is formed by a pipeline between the vacuum tank and a die set of a die-casting die; each die set bleed-off passage is provided with one electromagnetic valve; and the vacuum control system is used for acquiring information of each pressure sensor and each humidity sensor and switching on or switching off the corresponding electromagnetic valves according to external die-casting signals so as to switch on or switch off the corresponding bleed-off passages and control the vacuum degree of the die-casting die. According to the invention, the vacuumization is simultaneously carried out from three directions of a cavity, the pressure chamber and the die set; the evacuating rate and the evacuating efficiency are greatly improved; and an IPC (Industrial Personal Computer) is adopted to control, so that the high-speed dynamic response capacity and the data storage capacity of the detection are improved.
Owner:HUAZHONG UNIV OF SCI & TECH

Low dropout linear voltage regulator (LDO) without off-chip capacitor for improving transient response and increasing power supply rejection ratio (PSRR)

The invention relates to a low dropout linear voltage regulator (LDO) without an off-chip capacitor for improving transient response and increasing power supply rejection ratio (PSRR). The LDO without the off-chip capacitor comprises an error amplifier, a reference voltage source module, a power adjusting tube, an NMC Miller's compensating circuit, a PSRR enhanced network and a transient response intensifier circuit. According to the LDO without the off-chip capacitor, the NMC compensation technique is used for meeting the system stability requirement; a second-stage gm improved circuit of the amplifier is used for increasing the charging and discharging currents to the grid of the power tube; a slew rate intensifier circuit is introduced, needed currents can be provided for a load when the load of the LDO is subjected to step hopping from small to large, and thus the transient response capacity of the LDO is improved under the double actions. In addition, the PSRR enhanced network is additionally arranged to be used for controlling the PSRR feedback factors beta of the system, an original zero point is pushed to the position with higher frequency, and therefore the PSRR characteristic of the system is improved. The LDO without the off-chip capacitor is improved on the aspect of transient response and the aspect of PSRR.
Owner:JILIN UNIV

System and method for supplying materials for mixed assembling production line based on RFID

The invention discloses a system for supplying materials for a mixed assembling production line based on an RFID. A method for supplying the materials for the mixed assembling production line based on the RFID includes the steps of enabling products which are being processed and to be assembled beside the production line to be equipped with RFID labels, reading assembly information of the production line in real time through an RFID read-write device, transmitting the information to a data storage and application module through a middle part, monitoring the RFID read-write device through the data storage and application module, and obtaining a distribution scheme through the real-time assembly information. According to the system for supplying the materials, the invention further provides the method for supporting the materials. By determining the distribution lead time of the materials, the acquisition cycle of the RFID read-write device and the data taking and using middle cycle of the middle part, the required amount of the materials which are to be assembled beside the production line is obtained through the data storage and application module, and the distribution scheme is obtained according to transportation vehicles. According to the system and method, workshop assembly schedule information and assembly line state information are automatically collected, and the response capacity, the flexibility degree and the distribution efficiency of the distribution requirements of the materials beside the production line are improved.
Owner:SHANGHAI JIAO TONG UNIV

Fast transient response digital switch converter and control method of fast transient response digital switch converter

InactiveCN103051186AImproving the ability to respond to transient changesReduce Control LagDc-dc conversionElectric variable regulationProportion integration differentiationFuzzy pid control
The invention provides a digital switch converter with fast transient response capability. The digital switch converter comprises a Buck type switch converter power level main topology structure, an A/D (analog-to-digital) sampling conversion unit, a prediction control unit, a fuzzy PID (proportion integration differentiation) control unit, a DPWM (digital pulse width modulation) unit and a driving unit, wherein the A/D sampling conversion unit respectively samples the analog output voltage value and the analog inductor current value of the sampling switch converter and converts analog signals into digital signals, the prediction control unit predicts the next switch period output voltage value according to the A/D sampling digital signal value combined with the Buck type switch converter main topology structure, the fuzzy PID control unit determines the switch period duty ratio according to the output voltage error value and the output voltage error deviation value, and the DPWM unit and the driving unit output the corresponding on-off state of a power tube of the PWM driving switch converter according to the duty ratio for regulating the output voltage value.
Owner:SOUTHEAST UNIV

Emission monitoring time series data abnormal value detection method for coal-fired unit

The invention relates to an emission monitoring time series data abnormal value detection method for a coal-fired unit. Specifically, all-working-condition historical sample data set of a measured point is subjected to working condition division by applying a k-means clustering algorithm according to unit operation states and environment-protection facility operating ways; then specific to each working condition historical sample data set, an abnormal value detection model is established based on a statistical hypothesis test method; and the time series data of the measured point is subjected to online identification by selecting different hypothesis test methods according to data distribution characteristics of the working condition sample set, and then abnormal points which are inconsistent with historical distribution and current change tendency can be positioned in time. Abnormal value online detection on the field monitored data is performed by the hypothesis test methods, and the abnormal points which are inconsistent with historical distribution or current change tendency can be dynamically identified, so that early warning for more complex fault monitoring is provided, refine degree of alarming is improved, and online monitoring management level and rapid response capability are improved.
Owner:JIANGSU FRONTIER ELECTRIC TECH +2

Method and device for robust interval wind power scheduling based on consideration on wind power field current collecting line fault

The invention relates to a method and a device for robust interval wind power scheduling based on consideration on wind power field current collecting line fault. The method includes, from the points of power system dynamic response capacity and section safety, building a worst scene model with consideration on system running safety on the circumstance of wind power field current collecting line m faults; according to the worst scene model, taking the minimum wind curtailment demand as the target to optimize the model and taking the system running safety requirement on the circumstance of the worst wind power output as a constraint condition to build a robust dual-layer wind power mixed integer interval optimization model; according to a variable equivalent substitution method and a strong dual principle of linear programming, transforming the robust dual-layer wind power mixed integer interval optimization model into the problem about single-layer secondary programming, and utilizing an interior point method to solve the optimal thermal power output planned value and the maximum wind power planned interval; and finally performing wind power scheduling according to the optimal thermal power output planned value and the maximum wind power planned interval so as to achieve the robust interval wind power scheduling.
Owner:STATE GRID CORP OF CHINA +1

Automatic floating device of underwater robot and method for controlling automatic floating device

The invention belongs to the field of marine technical equipment, and particularly relates to an automatic floating device of an underwater robot and a method for controlling the automatic floating device. The method includes that faults such as water leakage can possibly occur due to complexity of work environments of the underwater robot, the underwater robot urgently needs to float out of water surfaces, water leakage signals can be detected by a water leakage sensor inside the underwater robot at the moment, and can be transmitted to a central controller, signals can be transmitted to an igniter after the signals are processed and judged by the central controller, the igniter can be activated and carries out ignition to initiate chemical reaction, a large quantity of gas can be generated instantly, is filtered by a filter and then flows into a gas bag, a gas bag cover can be flicked after the gas bag is quickly expanded, the gas bag is immediately unfolded right above the underwater robot, the volume and buoyancy of the underwater robot are increased after the gas bag is unfolded, and the underwater robot can ultimately float out of the water surfaces under the effect of net buoyancy, can be timely found by staffs under the assisting effect of a GPS (global positioning system) positioner and can be recovered. The automatic floating device and the method have the advantages that the automatic floating device is simple in structure and can work reliably, and the response capacity of the underwater robot under special conditions can be greatly improved.
Owner:CHINA JILIANG UNIV

Emergency plan generating system and method

The invention discloses an emergency plan generating system and method, belonging to the field of emergency plan generating technology and realized on the basis of a database and application software. The system comprises a plan information extraction module, a plan database, an accident information visualization acquisition module, an accident information processing module, a disposal flow reediting module, a disposal flow verification module and a plan generating module, wherein all the modules are both independent from each other and are interrelated with each other; the emergency plan generating system is realized based on the system and has a full-flow visualization characteristic and can add temporary information. According to the invention, through full flow visualization, the requirement on professional knowledge of an organizer is reduced and the disposal flow of the plan is clearly described; temporary information can be added during plan generating process, thus improving emergency response capability and close relation between the plan and reality; a template meeting national plan standardization requirement is used for generating a file, thus ensuring the standardization of the generated plan. The invention can be used for rescue and disposal of accidents such as fire disasters, explosion, chemical leakage and the like in safety production.
Owner:XIDIAN UNIV

Power system equipment importance assessing and sorting method based on risk analysis

InactiveCN103700025AImprove risk management and control response capabilitiesPracticalForecastingDirect effectsElectric power system
The invention discloses a power system equipment importance assessing and sorting method based on risk analysis. Based on risk assessment of a power system, the importance of power grid equipment for the overall operational risk of the power system under different operating conditions can be shown truly and comprehensively; during assessment of the equipment importance, the commonly-used certainty security standard of power enterprises is also taken into account while comprehensively considering uncertainties of power grid operation, so that the defects that by the conventional importance assessing method, uncertainties of the grid operation cannot be comprehensively considered, the evaluation angle is single, the practicality is not high and the like are effectively overcome, and more comprehensive risk assessment information than that provided by the conventional assessing method can be provided. In the power system equipment importance assessing and sorting method, the equipment importance assessment is carried out by dividing system risk levels, so that both direct influence and indirect influence of the equipment on the safe operation of the power system can be reflected and references can be provided for a local control and optimization scheme of risk management and control of the power system so as to improve responsiveness to the risk management and control of the power system.
Owner:ZHEJIANG UNIV +2

Distributed energy system energy optimization regulation and control method fusing demand side response

The invention discloses a distributed energy system energy optimization regulation and control method fusing demand side response. The method includes the steps that a distributed energy system optimization regulation and control model is established, and the response capacity of user refrigeration equipment is introduced to participate in distributed energy system optimization operation; through considering the heat balance equation of an intra-system building, a mathematical relation between obtained user indoor temperature and output of the refrigeration equipment is described in a quantified mode. On the basis of meeting the requirement for comfort of a user in energy using, dependency on a battery energy storage system is reduced, and economy of distributed energy system operation is effectively improved; the distributed energy system optimization regulation and control model is established, the response capacity of the user side refrigeration equipment is introduced to participate in distributed energy system optimization operation, meanwhile, through considering the heat balance equation of the intra-system building, the mathematical relation between the obtained user indoor temperature and output of the refrigeration equipment is described in the quantified mode, and the comfort of the user is guaranteed. The result shows that through introduction of the user demand response, the energy-using cost can be effectively lowered.
Owner:STATE GRID TIANJIN ELECTRIC POWER +1

Flexible job shop dynamic scheduling method taking availability of machining equipment into consideration

InactiveCN105824304AImprove dispatching operation efficiencyImprove responsivenessProgramme total factory controlIdle timeJob shop
The invention provides a flexible job shop dynamic scheduling method taking the availability of machining equipment into consideration, belonging to the technical field of shop scheduling. When the availability of machining equipment is decreased to a certain threshold, the machining equipment is preventively maintained, and a pre-scheduling scheme is generated in order to reduce the probability that the machining equipment is abnormal in the machining process; and then, the running status of the equipment is detected in real time in the machining process. When that the status of the equipment is abnormal is detected, whether to take a rightward shifting strategy or to execute a rescheduling strategy is judged by analyzing the influence degree of the duration of the abnormal status on the maximum time of completion. Based on the availability of machining equipment, the machining equipment is preventively maintained by inserting idle time, so the probability that the machining equipment is abnormal is reduced. Meanwhile, by detecting the running status of equipment in real time, the rescheduling response ability when there is an abnormality is improved, and the stability and timeliness of job shop dynamic scheduling are improved.
Owner:CHONGQING UNIV

Method for acquiring access time window for shooting and imaging ground target area by satellite

The invention discloses a method for acquiring an access time window for shooting and imaging a ground target area by a satellite. The method comprises the steps that pretreatment is conducted on the ground target area, the interval of tracks of time-adjacent subsatellite points is calculated, and a calculating period is divided; the access time window for shooting and imaging the ground target area by the satellite in a first time period is calculated; the access time windows for shooting and imaging the ground target area by the satellite in all time periods are primarily calculated; the primarily calculated access time windows for shooting and imaging the ground target area by the satellite in all the time periods are optimized to precisely obtain the access time window for shooting and imaging the ground target area by the satellite in all the time periods. The method is used, the access time window for shooting and imaging the ground target area by a remote sensing satellite can be quickly acquired, the efficiency for acquiring the access time window for imaging the ground target area by the remote sensing satellite can be improved, and the quick response capacity to emergencies of a remote sensing satellite imaging technology is improved.
Owner:INST OF REMOTE SENSING & DIGITAL EARTH CHINESE ACADEMY OF SCI
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