163results about How to "Improve startup speed" patented technology

The invention relates to a method and device for pre-encrypting a program, and belongs to the field of electronic technology application. The method comprises the steps of obtaining optimization information of a target program, wherein the optimization information comprises the function name of at least one function to be optimized and a running stage corresponding to each function to be optimized in the target program; according to the optimization information, encrypting the function to be optimized corresponding to each running stage. Because in the process that intelligent equipment conducts pre-encryption on the target program, the function recorded in the optimization information can be encrypted only, all functions in the target function does not need to be encrypted an more, thus the encryption efficiency of the target program is effectively improved, and speeds for starting and running a system are increased.

The invention provides an application accelerating method and device for an embedded operation system. The method comprises the steps that after an accelerating command input by a user is received, an application oriented to the accelerating command in the embedded operation system is determined as an application to be accelerated; optimization configuration is carried out on the application to be accelerated, and thus the application to be accelerated is subjected to accelerated starting according to the optimization configuration, wherein the optimization configuration at least comprises one of virtual machine optimization configuration, memory optimization configuration and central processing unit(CPU) optimization configuration. By application of the application accelerating method and device for the embedded operation system, the starting and running speed of an application preferred by the user can be increased, and thus the user experience can be improved.

A booting system includes a central processing unit (CPU) core, a system bus, a main memory, a boot loader memory device, a first external memory device, a boot logic unit, a second external memory device and an external interface unit. The first external memory stores a boot loader program, which is transferred to the boot loader memory device. An operating system stored in the second external memory unit is transferred to the main memory by an external interface unit, which is controlled by the boot loader program. The first external memory device and the boot logic unit may be excluded, and a ROM may be employed as the boot loader memory device. Therefore, a booting speed may be increased, a number of input and output pins may be reduced, and power consumption may also be reduced.

The invention discloses a radio frequency amplitude keying demodulation circuit with large input dynamic range, which comprises an amplitude detection circuit, a Gaussian filter circuit, a peak detection circuit and two branches of difference amplitude keying demodulation circuits of a comparison circuit. The amplitude detection circuit is formed by a fixed gain amplifier with S poles in series connection and an amplitude detection and conversion circuit. Each branch of the amplitude keying demodulation circuits includes that input signals are amplified to i fuzzy amplitude keying signals through the amplitude detection circuit, the i fuzzy amplitude keying signals are added and converted into high-low voltage amplitude signals, high frequency components are filtered through the Gaussian filter circuit, the filtered signals pass through the peak detection circuit to obtain high-low average amplitude signals, and the average amplitude signals and the signals filtered by the Gaussian filter circuit are compared through the comparison circuit to obtain demodulation signals output by the radio frequency amplitude keying demodulation circuit. The radio frequency amplitude keying demodulation circuit with the large input dynamic range can be flexibly used for demodulating amplitude detection signals with modulation degree ranging from 0.5 to 0.9, thereby being capable of being applied to the front end of a radio frequency receiver with input signals reaching up to 60dB dynamic range.

The invention provides a car keyless entry starting system. The car keyless entry starting system comprises an intelligent entry keyless staring module used to perform valid identification on an intelligent key after receives an engine starting signal, a power source management module used to start an engine after the valid identification of the intelligent key succeeds, and an engine management module used to perform thievery prevention identification of the engine together with the intelligent entry keyless staring module after a starter is started and start the engine after the thievery prevention identification of the engine succeeds and the starter is started. The car keyless entry starting system improves speed of starting the engine. The invention further provides a car keyless entry starting method.

A block management method applicable to a non-volatile memory storage system is provided. The non-volatile memory storage system includes a plurality of chips. Each chip includes a plurality of physical blocks. The physical blocks form a plurality of physical block sets. Each logical block in a logical space corresponds to at most two physical block sets. In the block management method, when a logical block corresponds to two physical block sets filled with data and more data is to be written, a free physical block set is allocated for storing the data. Then, one of the two physical block sets corresponding to the logical block is selected according to a predetermined criterion. The valid data in the selected physical block set is copied into the free physical block set. Next, the selected physical block set is erased and collected to the pool of free physical block sets.

A fast resume of a computer from a low power mode to a normal operating mode captures a power down message from the operating system of the computer to devices connected thereto. In response to the captured message, the device manager is instructed to remove the device from the operating system. The computer is powered down with the device removed. The system is later powered up with the device removed, allowing for faster resume to normal operation. After the computer has returned to normal operation, the device manager reinstates the removed device. The program to capture the power down message can be above the device driver in the driver stock or be an application running in the user mode of the operating system.

What disclosed are a control circuit and a control method of a switching power supply, according to feedback signals on a pin FB and a pin CS, a constant current control module generates and outputs a control signal to control an output current of the switching power supply, thereby regulating duty cycle of a first transistor adaptively and controlling an output current Io of a power supply system to be constant; according to the feedback signals on the pin FB and on the pin CS, a constant current precision compensation module adaptively regulates circuit parameters of the constant current control module and a sample-and-hold module, preventing precision of constant current output from being influenced by change of a working mode and/or by variation of input conditions; when an output voltage changes, QR mode keeps unchanged or depth of a CCM keeps approximately constant.

The application discloses a system and a method for managing applications in a smart terminal. The system includes: an icon overlapping management module for, when a terminal user drags N application icons to the same position on a display interface of the terminal, maintaining normal display of a target application icon, and conducting hiding processing on other application icons among the N application icons, wherein the N application icons are icons that individually correspond to N applications; the target application icon is any one application icon of the N application icons; an application starting management module for, when the terminal user operates corresponding to any operation among N operation behaviors, generating a corresponding starting control command so as to start one corresponding application among the N applications. The system and method of the invention can maintain cleanness of the user interface when a plurality of application icons are dragged to the same position, and guarantee applications have a higher starting speed.

The invention provides an application program starting method and starting device. The method includes in a dormant state, identifying touch gestures; converting the identified touch gestures into Linux key events and reporting to a user's space; converting the Linux key events into Android key events; intercepting before distributing the Android key events to application layers; performing corresponded operations on the application programs through a program control module according to the Android key events. The application programs can start rapidly without awaking a touch screen, the start progress is simplified, and the start speed is increased; in addition, the touch screen awaking is omitted, and the power consumption can be reduced effectively.

The invention provides an automated automobile driving device. The automated automobile driving device comprises a gear shift manipulator, a gear shift manipulator control module, an accelerator pedal mechanical leg, a braking pedal mechanical leg, a clutch pedal mechanical leg, a mechanical leg control module, an automobile speed detection module, an engine rotation speed detection module and a vehicle-mounted computer control system. The automated automobile driving device can adapt to various models of automobiles and is simple in structure and small in size, the normal driving space for a driver is not occupied, the automated automobile driving risk and the automobile experiment risk are reduced, and the automobile experiment transfer and transportation cost is reduced; high-precision servo motors and high-precision motor state sensors are adopted for driving motors of the mechanical legs and the gear shift manipulator, the driving motors are in real-time communication with the vehicle-mounted computer control system, and thus control precision and stability are improved; a spatial parallel-connection four-bar mechanism forms a gear shift device of the gear shift manipulator, multiple degrees of freedom in space are achieved, and high-efficiency gear shift operation can be performed on a gearbox.

The invention discloses a rapidly-started self-heating type micro-reactor for producing hydrogen by reforming methanol. The micro-reactor is formed by sequentially assembling a cover plate assembly, a reforming hydrogen production plate, a first methanol combustion plate, a methanol combustion porous plate and a second methanol combustion plate in a sealing manner from top to bottom, wherein a methanol reforming cavity is formed in the reforming hydrogen production plate, the reforming hydrogen production plate is loaded with a reforming catalyst and is used for producing hydrogen by reforming methanol; the first methanol combustion plate has a methanol catalytic combustion cavity loaded with a combustion catalyst to supply heat through the combustion of methanol; and the methanol is combusted to supply energy for producing hydrogen by reforming methanol, so as to realize the self-heating operation of the micro-reactor. According to the micro-reactor, combustion fuels including methanol and air are independently supplied, so that the air inflow of a combustion chamber and the use efficiency of the catalyst are improved, and the starting time of the micro-reactor is shortened. The micro-reactor is short in starting time, compact in structure, high in energy density and hydrogen production efficiency, low in manufacturing cost and easy in assembling of an integral structure and can be applied to occasions for producing hydrogen by reforming middle and small flow of methanol so as to directly supply hydrogen to hydrogen fuel cells.

The invention discloses a flexible and retractable auxiliary blade mechanism of a vertical-axis wind turbine and belongs to wind turbines. According to the flexible and retractable auxiliary blade mechanism of the vertical-axis wind turbine, an auxiliary blade is assembled on an upper beam and a lower beam of the vertical-axis wind turbine and located between a main blade and a main shaft, a flexible auxiliary blade provided with a rigid balance weight bar is connected to the auxiliary blade through a coiling block, a dead bolt, a torsion spring, a bearing sleeve, a bearing and a fixed shaft are assembled in the coiling block, the fixed shaft is fixedly installed on the upper beam and the lower beam, a reel and a planar volute spiral spring are assembled on the upper beam and the lower beam, the two ends of a stay cord are connected to the rigid balance weight bar and the reel, and then the flexible and retractable auxiliary blade mechanism is formed. The flexible and retractable auxiliary blade mechanism is novel in structural design, scientific and reasonable in utilization of wind energy, high in adaptability, reliable in use and high in automation degree.

A virtual memory device includes a bridge circuit wherein in an integrated SOC device, a bridge circuit with less than 10% die size and a non-volatile XIP random access memory is used to connect to a high efficiency memory bridge circuit, so as to facilitate an improvement of boot-up speed and MMI initialization of a portable mobile device, and performance of network searching and network protocol of a wireless station, as well as a reduction of cost of the entire memory, upon applying inside the portable wireless mobile device. The invention includes an integrated SOC application system interface, incorporating a NAND flash memory, an XIP non-volatile random access memory, a programmable MIF bridge, and a volatile XIP random access memory, is used to perform a virtual memory without an MCU system control interface being a new architecture of MCU system control interface, by means of software simulation.

The invention discloses a steam supply passive type direct methanol fuel cell with catalytic combustion type heat supplying. The steam supply passive type direct methanol fuel cell comprises a cell reaction unit and a porous sintering plate in the cell reaction unit, wherein the cell reaction unit is sequentially connected with a steam supplying unit, a pervaporation membrane, a catalytic combustion heat supplying unit, an oxygen buffering unit, a raw material catalytic combustion unit and a sealing bottom cover. A catalytic combustion method is adopted for supplying heat to the steam supply passive type direct methanol fuel cell, the catalytic combustion has the characteristics of high energy, high efficiency, high reaction rate, and the like, and the reaction is easily controlled, reaction heat energy provides energy for the methanol phase change, high-temperature methanol fuel is provided for cell discharge, and further the output power of the cell is increased; meanwhile, the recycling of a catalytic combustion product ensures that pure methanol can be possibly supplied to cell reaction, and thus the energy density of the cell is greatly increased, and the stable long-term operation of the cell is favorably realized.

The invention discloses erasable-resistant low-energy consumption external computer accelerating equipment. The erasable-resistant low-energy consumption external computer accelerating equipment comprises a main control chip and a storage module (the storage module can use a phase transition storage, a 3DNAND flash memory or the combination thereof) made of material with high erasing life span and low energy consumption; the external computer accelerating equipment is connected with a computer through an external data transmission port (such as USB, Thunderbolt or PCI-E), cache files are created for the computer in the phase transition storage or 3DNAND flash memory, wherein the cache files comprise active files of the system and application programs and scattered files which are pre-read or read and written frequently, and the cache files serve as cache. The algorithm and architecture of the erasable-resistant low-energy consumption external computer accelerating equipment can use the designs that 1, providing intelligent compression for the system memory and automatically releasing the background; 2, judging data to be used by the system through monitoring user customs for a long time, and pre-storing in the equipment; 3, using a multi-channel mode, integrating a plurality of phase transition storage chips with an array module, and using multi-channel main control; 4, enabling the equipment to carry out virtualization treatment on the application program so as to pre-store all the program files and needed system environment files.

A deep standby method and device for and embedded system is disclosed, wherein the method mainly includes: a selecting step for selecting an available data swap block from the data swap area of a non-volatile memory as a deep standby block; a writing step for writing the current system data and state of the CPU into the deep standby block, and writing a deep standby flag into the deep standby block; and a shutting down step for making the system off to fall into a deep standby.

The invention discloses a synchronization assisting method compatible with a GPS, BD2 and a GLONASS system. The method comprises searching satellite systems, selecting appropriate reference satellites and determining reference information; processing the satellites needed to be assisted of the systems, and transforming the reference information to the assisted systems; and using the assisting information to assist synchronization; and modifying synchronization zone bits of assisted satellites to complete frame synchronization. According to the synchronization assisting method, satellites can be synchronized rapidly to participate in navigation processing immediately, and the performance and the efficiency of a receiver are improved effectively.

The invention discloses a subsea pipeline floating ball type flexible washing protection device. The subsea pipeline floating ball type flexible washing protection device is composed of three or more floating ball protection units, wherein each floating ball protection unit comprises a ballasting block body and a floating small ball; the ballasting block bodies and the floating small balls, and the floating small balls are connected by connection ropes; the floating ball protection units are distributed at the periphery of a subsea pipeline to form a protection layer similar with a porous screen plate. The device has lower construction cost and is very convenient to construct; the whole protection device can be directly thrown into water to construct after being positioned under the conditions that the water flow speed is smaller and the water depth is moderate; the volumes of the small balls are slowly expanded and become large under the water under the condition that the water flow speed or the water depth is larger, so that the offset distance of the whole device is reduced; the mounting precision is improved or the construction can be carried out at the position which has a certain distance from a mounting position; the positioned construction is realized under the action of water flow. The method can be used for effectively reducing the water flow speed at the periphery of silt, accelerating the starting speed of the silt, and improving the anti-washing capability of the silt at the periphery.

The invention discloses a diesel generating set parallel operation system for a safety source of a thermal power plant. The diesel generating set parallel operation system comprises a diesel generating set, a safety section A, a safety section B, a boiler section A and a boiler section B, wherein the diesel generating set is provided with a PLC and a synchronizing device, and the PLC is connected with a central control room; an outlet circuit breaker is arranged at the outlet side of the diesel generating set and is connected with a power distribution bus; the safety section A comprises a safety section A bus and a diesel generating set section A incoming circuit breaker connected with the power distribution bus and the safety section A bus; the safety section B comprises a safety section B bus and a diesel generating set section B incoming circuit breaker connected with the power distribution bus and the safety section B bus; the boiler section A comprises a boiler section A bus and a section A working circuit breaker connected with the boiler section A bus and the safety section A bus; the boiler section B comprises a boiler section B bus and a section B working circuit breaker connected with the boiler section B bus and the safety section B bus; a standby second A circuit breaker is connected between the safety section A bus and the boiler section B bus; and a standby second B circuit breaker is connected between the safety section B bus and the boiler section A bus.

A TigerSharc-series DSP (digital signal processor) start management chip comprises an interface unit, a double-port RAM (random access memory) unit, a management unit, a DSP download management unit, a Flash driving unit and a NOR Flash chip, wherein the management unit is connected with the Flash driving unit; the double-port RAM unit is connected to the NOR Flash chip through the Flash driving unit; the NOR Flash chip is communicated with the DSP download management unit through the Flash driving unit. The management chip provides two start modes including a NOR Flash chip start mode and an external bus start mode, and further, a Host boot start method is improved, so that the start speed of the TigerSharc-series DSP chip can be greatly increased.

The invention discloses a quick starting and stable operation method for dry anaerobic fermentation of kitchen garbage, and belongs to the technical field of resource utilization of organic solid wastes. The quick starting and stable operation method for dry anaerobic fermentation of the kitchen garbage comprises the following steps: (1) activating industrial waste yeast or active feed yeast; (2) carrying out inoculating between anaerobic inoculation sludge and kitchen waste, wherein the inoculation ratio is 0.8-1.5 counted on the basis of VS; and (3) anaerobic treatment: purging with nitrogen or biogas for 3-30 minutes at an anaerobic fermentation temperature of 33-38 DEG C. According to the quick starting and stable operation method for dry anaerobic fermentation of kitchen garbage, starting time is shortened ((20 days), so that a dry anaerobic fermentation mechanism of organic solid wastes such as kitchen wastes and organic domestic wastes which are easy to acidify and a related microbial community structure and function change can be rapidly carried out in a laboratory. The method also helps to further reduce the starting difficulty of dry anaerobic practical engineering of organic solid wastes such as kitchen wastes and organic domestic wastes which are quite easy to acidify, and the stability and methane yield of a reactor are improved.