196 results about "Fast start" patented technology

The invention relates to the technical field of converter starting, in particular to an LLC full-bridge converter hybrid control soft start method, comprising the following steps: selecting a hybrid soft start strategy combining down-conversion starting and PWM starting, and respectively introducing nonlinear orders of a control switch frequency decline curve in the down-conversion starting process and a duty ratio rise curve in the PWM starting process; defining a mathematical formula of the change of the switching frequency and the duty ratio along with time when two nonlinear orders are different in value; establishing a simulation model, and substituting a mathematical formula that the switching frequency and the duty ratio change along with time when the two nonlinear orders are different in value into the simulation model; performing simulation testing on the nonlinear orders with different values, extracting the maximum resonance current, and determining an order combination with the best maximum resonance current suppression effect; and performing soft start of the LLC full-bridge converter based on the determined order combination. According to the invention, the current in the soft start process can be effectively suppressed, and meanwhile, quick start and device safety are considered.

The invention belongs to the technical field of power systems, and more particularly relates to a quick-start network congestion control method suitable for a power system, which ensures the accuracy and reliability of data by collecting and preprocessing power equipment and network flow data. Then, a traffic prediction model is trained by using the preprocessed data, and the model can accurately predict the network traffic in a period of time in the future, thereby providing a basis for real-time decision making. In the starting process of the power system, network congestion detection is carried out in combination with real-time network state and equipment state data, and potential congestion risks are found in time. And finally, dynamically adjusting a flow scheduling and control strategy based on a network congestion detection result and a prediction result of the flow prediction model, thereby optimizing resource allocation and avoiding an improper decision. The series of steps ensure that network congestion can be timely and accurately dealt with under the condition that the network state is rapidly changed, and the efficiency and the stability of rapid starting of the power system are improved.

The invention provides a quick start and security verification method and equipment for an embedded device, a medium and a program product, in the method, firmware is divided into a core start module and a non-core function module in advance, and the core start module and the non-core function module are respectively stored in a high-speed access area and a common storage area of a nonvolatile memory; after the embedded device is powered on, initialization of the key peripheral is completed; when firmware is started or updated for the first time, security verification based on a digital signature is executed on the core starting module, if verification is passed, a mirror image of the core starting module is written into a running cache partition of the nonvolatile memory, and an integrity label is generated; in the subsequent starting process, the mirror image is loaded from the running cache partition, and the integrity label is used for executing rapid verification; after loading of the core starting module is completed, the non-core function module is loaded, and lightweight check is executed. According to the method, the security of the core module is ensured, the performance and security requirements of the non-core module are considered, and the calculation and storage overhead is reduced.

The invention provides an HLS private encryption rapid play starting method and system. The system comprises a server module used for generating a secret key, encrypted video content and an m3u8 file; the client module is used for requesting and decrypting video content and executing security protection, the client module requests an encrypted m3u8 file from the server according to a video URL, and the server returns the encrypted m3u8 file after verifying the legality of the request through legal login; the client side module analyzes the m3u8 file and requests the corresponding encrypted TS slice according to the encrypted information, and the server side provides encrypted video content for the client side through the source station or the CDN; and the storage module is used for storing the encrypted TS slice and the associated m3u8 file. Through a series of innovative designs, on the premise that the video content security is guaranteed, the playing efficiency and the user experience are greatly improved, meanwhile, the complexity and the maintenance cost of the system are reduced, and remarkable technical advantages and practical value are achieved.

The invention discloses a quick starting system and method for a small turbofan engine. The quick starting system and method are suitable for the quick starting requirement of the small turbofan engine under the high-altitude flight condition. The system comprises a gunpowder starting unit arranged at the turbine end and a smoke and fire ignition unit arranged at the gas compressor end, the gunpowder starting unit directly injects high-temperature and high-pressure gas to the tip of a turbine blade through a gas generator, a flow guide bent pipe and a starting jet nozzle penetrating through an outer culvert structure, and blowing starting of an engine rotor is achieved; the smoke and fire ignition unit introduces flames into a specific area of a combustion chamber through a solid gunpowder barrel and a flame transfer bent pipe, and ignition reliability is ensured. The method comprises the steps of starting preparation, gunpowder excitation, ignition triggering, starting termination and the like, and rapid and reliable starting of the engine is achieved through the synergistic effect of the two. By means of the design, the requirements of a low-cost small turbofan engine for small size, low cost, high reliability and high performance of a quick starting system are met.

The invention discloses a compressed air energy storage multi-stage expansion machine quick starting system and method. The compressed air energy storage multi-stage expansion machine quick starting system comprises multi-stage expansion machines which are sequentially connected in series and a main air inlet pipeline connected to the first-stage expansion machine. The main air inlet module is used for supplying and adjusting air flow to the multi-stage expansion machine in a normal operation mode; the last-stage priority starting module is used for converting a high-pressure gas source into low-pressure large-flow mixed gas flow suitable for being driven by the expansion machine in the initial starting stage, and the converted mixed gas flow bypasses the previous expansion machine and directly drives the last-stage expansion machine to rotate and accelerate; the multi-stage preheating module is used for guiding part of gas to carry out reverse-sequence preheating on the previous-stage expansion machines, reverse airflow serves as starting damping and is further used for assisting in stabilizing the rotating speed, the gas completing the preheating task is exhausted through an exhaust valve, speed increasing and reverse-sequence preheating are carried out in parallel, the starting time is greatly shortened, and the starting efficiency is improved. And the starting time of the unit from the cold state to the grid-connected condition is reduced to the minute level.

The invention relates to the technical field of peak regulation control of a power system, and discloses a 660MW thermal power generating unit rapid start-stop peak regulation cooperative control system, which comprises a power demand generation unit, a data acquisition module and a disassembly module, the data acquisition module acquires historical power consumption, real-time power consumption trend, rated output and minimum stable load of a thermal power generating unit, rated capacity of the energy storage module and charging and discharging efficiency data; the disassembly module is based on the collected data. According to the 660MW thermal power generating unit rapid start-stop peak shaving cooperative control system, a time-phased linear power generation plan is generated through a power demand generation unit, an execution monitoring unit collects operation data in real time and dynamically adjusts the collection frequency, a deviation analysis unit carries out deviation verification and instruction generation, and a tail end energy storage leak repairing calibration unit realizes electric quantity difference compensation. The method has the advantages of improving peak regulation efficiency, guaranteeing equipment safety and maintaining supply and demand balance.

The invention provides a steam turbine quick starting system and method based on low-pressure rotor impulse rotation, belongs to the technical field of steam turbine operation control, and can at least partially solve the problem that the starting time of a steam turbine is long due to the fact that impulse rotation can only be achieved after sufficient cylinder warming during cold state starting in a starting mode adopted by an existing steam turbine set. The system comprises a steam turbine unit, a conveying pipeline assembly, a reheating temperature and pressure reduction system and a main steam temperature and pressure reduction system, and has the beneficial effects that the system adopts a low-pressure cylinder impulse rotation mode, a steam passage can be rapidly established through the reheating temperature and pressure reduction system and the main steam temperature and pressure reduction system at the initial stage of boiler ignition, and early impulse rotation is achieved; the cylinder warming waiting time is shortened, and the overall starting efficiency of the unit is improved.

This invention relates to the field of thermal power generation and grid peak shaving technology, and discloses a joint control system for rapid start-up and shutdown peak shaving of thermal power units. This system includes a data acquisition module, an operating condition judgment module, a start-up / shutdown grading and energy storage auxiliary module, a variable load peak shaving module, and an energy storage constraint module. This invention collects status data during the operation of thermal power units to determine the current operating condition of the units. Based on the current operating condition, it identifies the control strategy for the thermal power units, including start-up control and shutdown control strategies. Simultaneously, it activates the energy storage system to assist in the start-up and shutdown of the units, enabling faster response to the target power generation load demand of the grid. During the unit's peak shaving process, it performs grading peak shaving based on the target power generation load of the grid, thereby dynamically adjusting the unit's speed. Throughout the entire operation of the unit, it continuously controls the energy storage system to keep it within a safe range.

1. Name of the product in this design: Fuel Heater. 2. Purpose of this design: A device for heating fuel in automobiles, facilitating quick starting of vehicles in extremely cold weather. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

Embodiments of the present application disclose an intelligent electric power tool and a control method thereof. The intelligent electric power tool comprises: a motor; a power switch, which outputs a switch signal to control the power-on state of the motor; a detection unit, which is configured to detect the running parameters of the motor in real time; and a controller, which is electrically connected to at least the motor and the detection unit. The controller is configured to: when a power-off signal of the power switch is detected, acquire the running parameters of the motor; set the brake time of the intelligent electric power tool according to the running parameters, and control the motor to reduce the rotating speed within the brake time in response to the power-off signal. The intelligent electric power tool can solve the problems of the prior art, such as long brake time, slow start response speed and poor brake stability in the process of frequent on-off, so that the brake time of the intelligent electric power tool is automatically adjusted according to the real-time running parameters of the motor during the working process, the fast start is realized while the brake stability is ensured, the response speed of the intelligent electric power tool in the process of frequent on-off is improved, and the working efficiency is improved.

The present disclosure provides a control method and device for quick start of an air conditioner, the air conditioner and a storage medium. The method comprises: in response to a determination that quick start is to be performed, determining an outdoor ambient temperature, an outdoor coil temperature and a preset quick start frequency; in response to an absolute value of a difference between the outdoor ambient temperature and the outdoor coil temperature being less than a temperature difference threshold value and the preset quick start frequency being greater than a threshold frequency, determining that quick start is to be performed, and determining a target quick start rate and a target start gain for performing quick start; wherein the temperature difference threshold value is a maximum value of an absolute value of a difference between the outdoor ambient temperature and the outdoor coil temperature when an outdoor unit system of the air conditioner is in a static state, and the threshold frequency is a minimum frequency for quick start of the air conditioner. Thus, quick start can be performed when the outdoor unit system of the air conditioner is in a static state and a frequency increase requirement is met, providing a quick cooling and heating experience for the user, and improving the performance of the air conditioner and ensuring reliability.

The invention discloses a quick start circuit adapting to wide-range input voltage and a power supply. The quick start circuit comprises a quick start module, a power supply module, a main control chip, a subsequent main circuit and a quick start turn-off module which are connected in sequence. By adopting the mode that the N-channel depletion type MOS voltage stabilizing units are connected in series, input voltage is shared among the N-channel depletion type MOS voltage stabilizing units, a single device is prevented from bearing too high voltage, higher input voltage bearing capacity is achieved, the limitation that the withstand voltage of a traditional fast start integrated chip is smaller than 700V is broken through, and the fast start integrated chip has the advantages of being simple in structure and convenient to use. And the method is suitable for wider high-voltage input application scenes. In addition, through the combination mode of the N-channel depletion type MOS voltage stabilization unit and the quick start-up turn-off module, the power loss under high-voltage input can be greatly reduced, and the energy efficiency is improved.

A control system is electrically connected with the refrigerating systems, the output end of each refrigerating system is fixedly connected with the input end of a heat exchanger through a first pipeline, and the output end of the heat exchanger is fixedly connected with one input end of a circulating box through a second pipeline. One output end of the circulating box body is fixedly connected with the input end of the heat exchanger through a third pipeline, a flow switch and an inner circulating pump are fixedly arranged on the third pipeline, the other output end of the circulating box body is fixedly connected with a tested piece through a fourth pipeline, and an output pump is fixedly arranged on the fourth pipeline; the output end of the tested piece is fixedly connected with the other input end of the circulating box body through a fifth pipeline, a first temperature sensor is fixedly arranged in the circulating box body, and the first temperature sensor is electrically connected with the control system. According to the method, time-sharing step-by-step quick start or time-sharing step-by-step quick stop can be realized according to the system condition, so that the energy efficiency is optimized, and unnecessary energy consumption is reduced.

The present invention relates to a quick-start system for a vehicle (V), wherein said vehicle (V) is equipped with an anti-theft device (1) using authorizations coming from more than one biometric detection device belonging to a plurality of biometric detection devices included in said vehicle (V) in order to authorize, in combination with a starting key (K), the starting of an engine that propels said vehicle (V), wherein said system comprises: - a starting-key detection device (I) configured to detect a presence of said starting key (K) inside the vehicle (V), - a first biometric detection device (14) belonging to said plurality of biometric devices, wherein said first biometric detection device (14) is configured to detect a biometric datum of a person who has brought said starting key (K) into the vehicle (V), - user interface means (15) configured to allow said person to enter an unlock code, wherein said anti-theft device (1) comprises also: • communication means (13) connected to said starting-key detection device (I), to said user interface means (15), and to said first biometric detection device (14), and • a processing unit (11) connected to said communication means (13). The main feature of the present invention lies in the fact that said processing unit (11) is configured for executing the following steps: - detecting, via said starting-key detection device (I), whether the starting key (K) inside the vehicle (V) is valid, - detecting, via said user interface means (15), whether a function has been selected for entering said unlock code, when the starting key (K) inside the vehicle (V) has been considered valid, - verifying whether said unlock code has been entered and is valid, - acquiring, via said first biometric detection device (14), the biometric datum of the person who has entered the valid unlock code, and verifying whether said biometric datum belongs to a person authorized to use the vehicle (V), - enabling the operation of said engine of said vehicle (V) if said biometric datum obtained from said first biometric detection device (14) belongs to a person authorized to use the vehicle (V), without requesting any further authorization for starting said engine from other biometric detection devices included in said vehicle (V). The present invention further relates to a quick-start method for a vehicle (V).

An alternative fuel quick start system for a gas turbine engine having a combustor and a compressor is provided. The alternative fuel quick start system may include an alternative liquid fuel, a thermal energy storage tank, and a vaporizer. The alternative liquid fuel is pressure-bearing stored in the thermal energy storage tank such that release of the alternative liquid fuel from the thermal energy storage tank vaporizes the alternative fuel. When the gas turbine engine is started, the thermal energy storage tank supplies vaporized alternative fuel to the combustor until the vaporizer can operate. The alternative liquid fuel may be propane, ethanol, or methanol.

A method for operating a fast start-up oscillator system, which includes a reference oscillator and a quartz oscillator connected to an electronic oscillator circuit, which is provided to supply a master clock signal to a start-up controller configured to perform a fast start-up procedure of the quartz oscillator via the reference oscillator. The start-up controller includes a calculation unit and a memory unit for storing data in connection with the reference oscillator for starting the quartz oscillator. The method includes parameterising the calculation unit for starting the quartz oscillator, generating excitation bursts, determining a phase deviation in different successive periods between the oscillation of the reference oscillator and the oscillation of the quartz oscillator, calculating a frequency error in the calculation unit, and correcting the frequency of the reference oscillator to the frequency of the quartz oscillator.

The present application relates to the field of edge cloud, more particularly, to a method and system for fast starting of Zygote container-based service in serverless edge cloud, wherein the method comprises: obtaining a function set to be invoked and function dependency package information of all functions in the function set; obtaining a frequent item set set composed of all frequent item sets; performing descending order sorting on the frequent item set set; generating a Zygote container; judging whether each function in the function set to be invoked can be started through the Zygote; if yes, starting the function through the Zygote; if not, starting the function through cold start. The present application performs descending order sorting on the frequent item set set, and finally generates a Zygote container according to the sorted frequent item set set; the Zygote container generated through the method is relatively simple and can be started quickly by as many function applications as possible, thereby improving the starting efficiency.

The invention relates to a method for starting up a data processing device (1), in a data memory (2) of which program data (3) comprising a plurality of data segments (4-8), respective check information (9-13) associated with the respective data segments (4-8), and verification information (14) are stored, in a respective starting-up process of the data processing device (1), the program data (3) comprising the plurality of data segments (4-8) being associated with the respective check information (9-13), and the verification information (14) being associated with the respective data segments (4-8). Evaluating a quick start condition (15) dependent on the verification information (14), if the quick start condition (15) is satisfied, selecting at least one of the data segments (4-8) as the data segment (16) to be checked, but not all of the data segments (4-8), and if each data segment (4-8) to be checked satisfies a check condition (17), selecting at least one of the data segments (4-8) as the data segment (16) to be checked, but not all of the data segments (4-8) to be checked only if each data segment (4-8) to be checked satisfies the check condition (17). Starting a program (18) described by the program data (3), the fulfillment of the checking condition also depending on the checking information (9-13) assigned to the respective data segment (4-8) to be checked, selecting all the data segments (4-8) as the data segment (16) to be checked if the quick start condition (15) is not fulfilled, and if the quick start condition (15) is not fulfilled, selecting all the data segments (4-8) as the data segment (16) to be checked. The program (18) is started only if each data segment (16) to be checked satisfies a check condition (17), and the verification information (14) is additionally set to a value that satisfies a quick start condition (15).

The application relates to the computer technical field and discloses a method, device, equipment, medium and product for triggering a shortcut operation, the method comprising: starting a trajectory monitoring application; in response to a sliding operation input by a user, determining a sliding trajectory corresponding to the sliding operation based on the trajectory monitoring application; matching the sliding trajectory with at least one preset trigger trajectory; and in the case where the sliding trajectory matches a preset target trigger trajectory, triggering a shortcut operation corresponding to the target trigger trajectory. The application can provide a shortcut operation such as a comment whiteboard by screen sliding specified trajectory, and a user can realize quick starting of a target application such as a comment application through pure touch interaction, without relying on a keyboard and without destroying a current operation picture, so that the user does not need to interrupt current operation, and the application can be applied to an interactive scene involving a two-in-one tablet computer and other touch devices, thereby helping to improve operation efficiency.

The application relates to the field of power electronics, and particularly provides a LLC resonant converter soft-start control method and device and an LLC resonant converter, wherein the method comprises sequentially performing three-stage soft-start control, wherein in the first stage, a fixed dead zone is used to gently establish resonance for a first time length; in the second stage, a non-linear algorithm based on multiple hiccup periods and a decreasing quantity increasing with periods is used to smoothly adjust the dead zone; and in the third stage, the dead zone is decreased to a target value at a two-stage speed of slow first and then fast; fault detection including at least start timeout and input voltage abnormality is performed in parallel in the whole process; start completion is judged based on multiple conditions of total time, dead zone value and voltage ratio; and when the driving dead zone is updated, protection of not being lower than a safety minimum value is forced to be performed. Through the above common control, the converter is smoothly and quickly started, and the start impact and voltage stress are effectively inhibited.

The embodiment of the invention provides a virtual machine control method and device, electronic equipment and a storage medium, relates to the technical field of computers, and realizes quick start of a virtual machine and improves user experience by exchanging process data corresponding to a pulled-up virtual machine process in an internal memory and an external memory. The virtual machine control method comprises the steps that in response to starting of a virtual machine, a virtual machine process in a frozen state is adjusted to be in a runnable state; determining process data associated with the virtual machine process in the external memory; and loading the process data in the memory, so that the virtual machine process calls the process data in the memory to realize the virtual machine service.

The invention is suitable for the technical field of fault processing of power equipment, and provides a photoelectric fusion arc light quick starting method and device. The method comprises the following steps: acquiring an arc light signal and a current signal of target equipment; determining an original sequence and a differential sequence of the current signal based on the current signal; according to the original sequence and the differential sequence of the current signal, determining a bimodal current break variable joint criterion; determining a light sudden change criterion based on the arc light signal; setting a trigger condition based on the bimodal current sudden change combined criterion and the light sudden change criterion; and a real-time arc light signal and a real-time current signal of the target equipment are obtained, and when the real-time arc light signal and the real-time current signal of the target equipment meet the triggering condition, it is judged that the target equipment breaks down, and an arc light protection mechanism is executed on the target equipment. According to the photoelectric fusion arc light quick starting method, all phase scenes can be covered, the delay time is reduced, and the reliability and timeliness of protection action are enhanced.

The invention relates to a method for operating an internal combustion engine using ammonia as fuel, wherein the ammonia is split into at least a hydrogen-nitrogen mixture by means of a cracker, and wherein, when starting the internal combustion engine, a gas containing at least hydrogen is first supplied from a starting storage tank to avoid a starting delay due to the splitting of the ammonia, and then the hydrogen-nitrogen mixture split at the cracker is supplied to the internal combustion engine. The invention further relates to a quick-start device and an internal combustion engine for the direct combustion of ammonia. The invention avoids the disadvantages of the prior art and ensures a low-emission and direct start (quick start) without lengthy preheating measures in an internal combustion engine using ammonia as the sole fuel.

The invention discloses a quick starting method and device of a vehicle machine, electronic equipment, a storage medium and a vehicle, and relates to the field of vehicle machine starting, and the quick starting method comprises the steps that an MCU captures a power supply mode signal; according to a power supply mode signal, captured by the MCU, of the IG ON, controlling a pin signal to notify the SOC to wake up; according to a power supply mode signal, captured by the MCU, of IG OFF, controlling a pin signal to inform the SOC of dormancy; wherein after the SOC is awakened, the state of an internal power supply of the APP is notified to be changed from Sleep to Active to lighten a screen, and system breakpoint data and APP breakpoint data are read from a memory; before the SOC is dormant, the SOC jumps from an Activie mode to a Standby mode, and a Standby mode notification is sent out; and correspondingly sending a Standby mode notification, and storing APP breakpoint data and system breakpoint data. According to the scheme, a relation strategy of a wake-up sleep mechanism and the CAN bus is redefined, a handshake mechanism of the MCU and the SOC is established, states of Stanby and Sleep and a network management and data storage time sequence are unified, a power-on and power-off strategy of a memory is optimized, and an unlocking and screen-on communication protocol is customized.

1. The name of the design product: channel selection module of the quick start graphical user interface of electronic equipment. 2. The use of the design product: an electronic device. 3. The design points of the design product: the graphical user interface in the solid line part. 4. The picture or photo that best shows the design points: front view. 5. The use of the graphical user interface: for quick start; the use of the claimed part is to make channel selection. 6. The human-computer interaction mode of the graphical user interface: after the user selects the quick start mode by clicking or touching, the user can select the digital icon corresponding to the channel in the digital column above the multiple quick start modes after selecting the channel selection mode in the multiple circular quick start modes at the bottom of the interface, and then the interface plays the content corresponding to the selected digital icon. Among them, the multiple channel icons above the digital column represent the programs that the selected channel can play. 7. Other circumstances that need to be explained: this design belongs to partial protection design, where the solid line part is the claimed content, and the dashed line part is not the claimed content.

The invention provides an application capability quick starting method and system, equipment and a readable medium, and belongs to the technical field of computers.The application capability quick starting method comprises the steps that an intelligent label corresponding to a target application function of a target application program is created on a terminal display interface, the intelligent label is used for linking a target application function of the target application program; and in response to a click operation of a user on the smart tag on the terminal display interface, opening the target application program and executing the target application function. According to the method, the target application program can be started by one key through the smart tag, and the target application function of the corresponding link is executed, so that a user does not need to perform multiple operations in the target application program, and the user experience is greatly improved.

The invention discloses an energy storage method, system, equipment and medium for quick start and wide load operation, and relates to the technical field of energy storage, and the method comprises the steps: controlling a first energy storage unit to be connected with a grid preferentially to realize quick response, and starting a compressed air energy storage unit at the same time. After load switching, when the system needs to operate below the safety boundary, the first energy storage unit absorbs power, and the low-load operation capacity of the system is cooperatively expanded. According to the invention, second-level quick start of the energy storage system is realized, and the emergency response requirement of a power grid is met. According to the method, by presetting the safe operation boundary and adopting the cooperative control strategy, the technical problems that the minimum output limitation of a traditional compressed air energy storage system is strict, and the low-load peak regulation capacity is insufficient are solved, and the load regulation range of the system is greatly widened. Therefore, the energy storage system not only can provide rapid frequency support, but also can carry out safe deep peak regulation, and the support capability and the operation flexibility of a power grid are remarkably improved.

The invention relates to the technical field of quick starting of power supplies, and discloses a quick starting method and device for an onboard power module, and the method comprises the steps: carrying out the pre-charging processing of a distributed power supply, deploying a quick starting strategy, optimizing the pre-charging state in real time through a dynamic reference slope algorithm and a self-adaptive current amplitude limiting algorithm, generating monitoring information, and carrying out the quick starting of the onboard power module. Time-frequency domain joint analysis is carried out on monitoring information, a lightweight CNN model is input to generate power supply load characteristics, a pre-charging state is reconstructed based on the load characteristics, a starting strategy is adjusted, and when a starting instruction is monitored, the power supply is started according to an optimization strategy, and the method can improve the starting stability and efficiency of the power supply, ensure quick response and load balance of the system, and improve the starting efficiency of the power supply. The method adapts to a dynamic environment, and solves the problem that in the prior art, fixedly set quick start cannot dynamically adapt to the real-time condition of the battery.