Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

452 results about "Backup battery" patented technology

A backup battery provides power to a system when the primary source of power is unavailable. Backup batteries range from small single cells to retain clock time and date in computers, up to large battery room facilities that power uninterruptible power supply systems for large data centers. Small backup batteries may be primary cells; rechargeable backup batteries are kept charged by the prime power supply.

Intelligent flight path planning and energy management system and method for long-endurance fixed-wing unmanned aerial vehicle

The invention relates to the technical field of unmanned aerial vehicles, in particular to an intelligent flight path planning and energy management system and method for a long-endurance fixed-wing unmanned aerial vehicle. Comprising an environment sensing unit; the flight path planning unit is used for planning a flight path meeting task requirements, safety requirements and energy constraints based on the flight environment information of the unmanned aerial vehicle acquired by the environment sensing unit and pre-stored performance parameters of the unmanned aerial vehicle; and the energy management unit realizes energy dynamic management and optimization according to the real-time energy state of the unmanned aerial vehicle, the flight task and the planning result of the flight path planning unit. The flight path planning unit can call working condition energy consumption data such as navigational speed and height output by the energy management unit in real time, and dynamically adjust the weight of the path to avoid high-energy-consumption flight segments; the energy management unit synchronously and intelligently adjusts a main / standby battery charging and discharging strategy to optimize energy distribution according to a task time sequence (such as waypoint priority and track curvature) of a track.
Owner:YUNXINZHONG GENERAL AVIATION (YUNNAN) CO LTD

Deep-sea cross-domain unmanned aerial vehicle and method thereof for completing autonomous deep-sea exploration task

The invention discloses a method for completing an autonomous deep-sea exploration task by a deep-sea cross-domain unmanned aerial vehicle. The method comprises the following steps: determining a target area; taking off to a specified height from the sea level, receiving a task execution command and then flying to a target area; when the relative distance between the current position and the coordinates of the target area reaches a preset value, descending; when it is detected that the device is contacted with seawater, the device dives through gravity; when it is detected that the set depth is reached, the propeller is restarted, and the detection task is executed; after the detection task is completed, the standby battery is rejected and ascends; after leaving the water surface, rising to a specified height and switching to a homeward flight mode; and when the deep-sea cross-domain unmanned aerial vehicle is within the sight distance range, a manual landing task is executed. The invention further discloses the deep-sea cross-domain unmanned aerial vehicle. According to the unmanned aerial vehicle and the method, autonomous switching operation between an air medium and an underwater medium can be realized, and the unmanned aerial vehicle has the capability of autonomously completing detection and water body sampling in an extreme deep sea environment.
Owner:ZHEJIANG UNIV

Power supply method of storage server, electronic equipment, storage medium and program product

The invention discloses a power supply method of a storage server, electronic equipment, a storage medium and a program product, and relates to the technical field of power supply, and the power supply method comprises the following steps: using a power supply unit whose rated output power is less than a power consumption limit value of the storage server to supply power to the storage server; if the current power consumption value of the storage server is greater than the rated output power of the second power supply unit and the electric quantity of the backup battery unit is greater than the primary standby power threshold value, the second power supply unit and the backup battery unit are used for supplying power to the storage server; the technical problem of resource waste caused by the fact that the PSU and the BBU with the rated output power larger than 2000 W are used only when the double AC input circuits connected with the double PSUs are powered off or the double PSUs are abnormal in the prior art is solved, and the technical effect of avoiding resource waste is achieved.
Owner:INSPUR SUZHOU INTELLIGENT TECH CO LTD

5G wireless pressure transmitter with displacement anti-theft monitoring function and implementation method

The invention discloses a 5G wireless pressure transmitter with a displacement anti-theft monitoring function and an implementation method, and belongs to the technical field of oilfield equipment informatization, the 5G wireless pressure transmitter comprises a shell with a front cover and a rear cover, a main battery, a backup battery and a mainboard are arranged in the shell, and magnets are additionally arranged on the inner sides of the front cover and the rear cover respectively. A reed switch I, a reed switch II, a main control circuit, a power supply monitoring circuit, a 5G module and a three-axis acceleration sensor are arranged on the main board, the reed switch I and the reed switch II are respectively fixed on a front cover inner side magnet and a rear cover inner side magnet, and the reed switch I and the reed switch II are respectively connected with the main control circuit. The main control circuit is respectively connected with the 5G module and the three-axis acceleration sensor, the main battery and the backup battery are respectively connected with the power supply monitoring circuit, and the power supply monitoring circuit is connected with the main control circuit; monitoring, alarming and position tracking of the position, illegal displacement, illegal opening of a front cover and a rear cover, illegal removal of a battery and stealing and robbery of the pressure transmitter of the long-stop well pressure instrument can be achieved.
Owner:天津七一二移动通信股份有限公司

Battery charging management method and device, surgical robot, equipment and medium

The invention discloses a battery charging management method and device, a surgical robot, equipment and a medium. The method comprises the following steps: under the condition that power is supplied to a plurality of operation platforms based on integrated central equipment and a standby battery corresponding to each operation platform is charged, determining available output power of the integrated central equipment relative to a plurality of standby batteries at the current moment; respectively determining a corresponding residual electric quantity calibration value of each standby battery at the current moment; and based on the residual electric quantity calibration value corresponding to each standby battery and the available output power of the integrated central device relative to the plurality of standby batteries, respectively determining the charging power corresponding to each standby battery at the current moment, and charging the corresponding standby battery based on each charging power at the current moment. According to the technical scheme of the embodiment, the effect of equalization adjustment of the charging process of a plurality of operation platform standby batteries is achieved.
Owner:RONOVO (SHANGHAI) MEDICAL SCI & TECH LTD

Power monitoring system for race car auxiliary battery

A system configured to monitor a primary battery and a backup battery in a vehicle. The system includes one or more active components, such as a controller, that switch power between the primary battery and the backup battery. The system is configured to switch power from the primary battery to the backup battery when the power level of the primary battery drops below a threshold level. The system is generally implemented on a vehicle having an internal combustion engine. Power from the primary battery is used to start the engine. The backup battery is typically a swappable and interchangeable battery, such as a cordless power tool battery. In one example, the vehicle does not include an alternator.
Owner:BLACK BELT RACING LLC

Distribution network terminal standby battery protection method and system based on time relay

The invention discloses a distribution network terminal standby battery protection method and system based on a time relay, and the method comprises the steps: starting the time relay, controlling the power supply of a standby battery, and guaranteeing a terminal to complete the operation according to a preset time parameter when the power loss of a distribution network line is detected; health parameters of the standby battery are monitored in real time and preprocessed, and real-time state data of the battery are calculated; according to the real-time state data of the battery, optimizing the charging and discharging strategy of the standby battery, and adjusting the charging and discharging process; and after power supply is recovered, the standby battery is automatically switched to the intelligent charging mode. The time relay is started to control the standby battery to supply power when the distribution network line loses power, power supply is cut off according to the preset time parameter, and unnecessary battery loss is effectively avoided. Meanwhile, the real-time health monitoring and data preprocessing technology is introduced, the real-time state data of the battery can be accurately calculated, the charging and discharging strategy is dynamically optimized according to the state of the battery, and it is ensured that the charging and discharging process is safe and efficient.
Owner:GUIZHOU POWER GRID CO LTD

Portable Electrified Vehicle Backup Battery

A portable electrified vehicle backup battery device includes a battery assembly that can be mounted and dismounted from a vehicle. The backup battery is able to recharge an electrified vehicle traction battery pack through a charging interface on the vehicle. The device can be rolled on the ground when it is dismounted from the vehicle. The backup battery system is capable of charging a vehicle when it is mounted or dismounted.
Owner:SZTABNIK BIRCH

Battery hot swapping

Techniques and apparatus for swapping a primary power source (e.g., a main battery) while using a secondary power source (e.g., a backup battery or a supercapacitor) to power a portable device. One example integrated circuit (IC) for power management generally includes a first power supply node; a second power supply node; a first port for coupling to a primary power source; a first switch coupled between the first power supply node and the first port; a second port for coupling to a secondary power source; a second switch coupled between the first power supply node and the second port; and a third switch coupled between the first and second power supply nodes. For certain aspects, the IC also includes a third power supply node, a voltage regulator coupled between the first and third power supply nodes, and a fourth switch coupled between the second and third power supply nodes.
Owner:QUALCOMM INC

Software and hardware cooperation power supply protection circuit of power distribution automation terminal

The invention provides a software and hardware cooperation power supply protection circuit of a power distribution automation terminal, which comprises a power supply input protection circuit, a voltage conversion circuit, a power failure detection circuit, a voltage maintenance protection circuit and a clock backup battery protection circuit, and is characterized in that the power failure detection circuit adopts a photoelectric isolation technology to monitor a power supply input state in real time; when it is detected that the power supply is disconnected or powered down, a specific level signal is output, and power down event detection is triggered; on the software level, the function of a power failure detection pin is defined in an equipment tree, the power failure detection pin is configured to be an interrupt trigger pin, the power failure detection pin is initialized, interrupt is requested, an interrupt trigger condition is set to be level change, and a power failure detection event is triggered when the interrupt trigger condition occurs. According to the method, system damage caused by accidental power failure is eliminated in a software and hardware combination mode, the reliability of the terminal is remarkably improved, the service life of the terminal is remarkably prolonged, the software has enough time to complete file operation through power failure protection, and therefore the purpose of protecting the file system is achieved.
Owner:ZHUHAI FEISEN POWER TECH CO LTD

Backup battery switching circuit, switching method and metering instrument

The invention is suitable for the technical field of electronic information, and relates to a backup battery switching circuit and switching method and a metering instrument, and the backup battery switching circuit comprises a main power supply sampling and power supply circuit, a meter reading battery sampling and power supply circuit, a clock battery power supply circuit, a first LDO circuit, a second LDO circuit, a power supply power flow control circuit and an MCU. The device is simple in structure and convenient to work, the clock battery can be switched to the low-power-consumption operation power supply of the MCU when the meter reading battery is under-voltage or is taken off to cause power failure, so that the uncovering detection function is effective, and after the meter runs for a preset time length, the clock battery is closed to provide a channel for the low-power-consumption operation of the MCU and the uncovering detection circuit, so that the uncovering detection function is improved. The electric quantity of the clock battery is effectively saved, and the influence on reliable operation of the real-time clock circuit is small.
Owner:WASION GROUP HLDG

Charging activation device, energy storage system and activation method thereof

The invention provides a charging activation device, an energy storage system and an activation method thereof, and belongs to the technical field of energy storage systems. The charging activation device comprises a standby battery pack, a boost inverter circuit, a voltage acquisition circuit and a microcontroller unit. Wherein the standby battery pack is used for providing a power supply for the boost inverter circuit and the microcontroller unit; the boost inverter circuit is used for boosting the input voltage to an activation voltage threshold of a battery management system of the energy storage system; the voltage acquisition circuit is used for acquiring the output voltage of an energy storage battery of the energy storage system; when the microcontroller unit detects that the energy storage system is in a locked state, the microcontroller unit can control to open the boost inverter circuit so as to boost an input voltage of the boost inverter circuit to an activation voltage threshold of a battery management system of the energy storage system and output the input voltage, so that the battery management system recovers a charging and discharging loop, and the energy storage system is activated. Automatic wakeup of the energy storage battery in the dormant state can be achieved, manual intervention is not needed, and dependence on manpower or external equipment is eliminated.
Owner:SHENZHEN RUIDIAN GREEN ENERGY TECH CO LTD

Vehicle-mounted TBOX low-power-consumption dormancy control method and system

The invention discloses a low-power-consumption sleep control method and system for a vehicle-mounted TBOX, and the method comprises the steps: carrying out the polling of an ACC state, uploading a vehicle state according to the voltage of a storage battery and the voltage of a standby battery, configuring the timing wake-up time of an external RTC, and controlling the sleep mode of the TBOX and the power consumption state of an MCU when the ACC state is detected to be changed from an ignition state ON to a flameout state OFF; and after the timing wake-up time of the external RTC, TBOX wake-up control is carried out, and the timing wake-up time of the external RTC is configured and the sleep mode of the TBOX and the power consumption state of the MCU are controlled again according to the ACC state, the storage battery voltage, the standby battery voltage, the uploaded vehicle state and the timing wake-up time of the external RTC. Different sleep modes can be switched according to the voltage state of the storage battery, and synchronous guarantee of the remote control requirement of a user and the voltage protection of the storage battery is achieved.
Owner:XIAMEN YAXON ZHILLAN TECHNOLOGY CO LTD

Enabling radio base stations for ancillary services

A method, system and apparatus are disclosed. A management node configured to communicate with a power grid operator and with a plurality of RBSs is provided. Each of the plurality of RBSs is configured to be switchable between power from a power grid and power from a respective plurality of backup battery units associated with the RBS. The management node is configured to: determine a primary subset of the plurality of RBSs to participate in at least one FCR event occurring over a predefined time interval, and determine a standby subset of the plurality of RBSs that are each configured to participate in the at least one FCR event in place of a failure of a respective one of the primary subset of the plurality of RBSs.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Automatic energy conversion device in double-electricity combination form

The utility model discloses an automatic energy conversion device in a double-electricity combination form, which is applied to conversion among energy components required by self-starting of an emergency generator on a ship. Starting energy sources suitable for the device are two sets of independent storage battery packs, namely a so-called double-power combination. A conversion assembly of the conversion device mainly comprises two sets of contactors which are interlocked: when a coil of a first contactor is electrified, a coil of a second contactor is de-electrified; and vice versa. The first storage battery pack is connected with the emergency generator through a normally open main contact of the first contactor, and the second storage battery pack is connected with the emergency generator through a normally open main contact of the second contactor. Through the device, the main starting energy source can be manually set, and when the main storage battery pack cannot normally start the emergency generator, the standby storage battery pack is automatically switched and started, so that the completion of self-starting of the emergency generator is ensured. And the main storage battery pack is regularly and alternately arranged, so that the service life of the double-power starting energy can be relatively prolonged.
Owner:SHANGHAI MERCHANT SHIP DESIGN & RES INST

Cover opening detection circuit, cover opening detection method and metering instrument

The invention discloses a cover opening detection circuit, which comprises a clock power supply circuit, a backup battery circuit, a travel switch circuit and a master control MCU (Microprogrammed Control Unit), the main control MCU is electrically connected with the clock power supply circuit, the backup battery circuit and the travel switch circuit, the clock power supply circuit is electrically connected with the backup battery circuit and the travel switch circuit, and the backup battery circuit is electrically connected with the travel switch circuit. According to the invention, the technical problem that the MCU can be immediately awakened and recorded when a cover opening event or a cover closing event occurs under the conditions that the metering instrument is in a power-off state and the replaceable backup battery is under-voltage or is taken off is solved.
Owner:WASION GROUP HLDG

Electric ship standby battery control strategy based on improved droop control

The invention discloses an electric ship standby battery control strategy based on improved droop control. The electric ship standby battery control strategy comprises the following steps: step 1, constructing a cooperative work model of an electric ship standby battery and a main battery; 2, improving a traditional droop control strategy through a translation droop curve, and achieving power equalization; step 3, based on the improved droop control strategy in the step 2, compensating voltage offset by using a fuzzy algorithm to improve the voltage control precision; and 4, accurately distributing the output current of each direct current bidirectional converter through output current information interaction between the main battery direct current bidirectional converter and the standby battery direct current bidirectional converter. According to the electric ship standby battery control strategy based on improved droop control, the output power of the standby battery can be rapidly and accurately adjusted according to the real-time operation state of the electric ship, and the electric ship standby battery control strategy has the practical application value for maintaining the voltage and frequency stability of a ship electric power system and improving the comprehensive utilization efficiency of energy.
Owner:YICHANG YANGTZE THREE GORGES SHORE POWER OPERATION SERVICE CO LTD +2

Battery Transport Equipment

A battery transportation equipment to transport a plurality of backup batteries. The battery transportation equipment includes: rollers, an equipment body, a battery cavity and a cooling device. The rollers are connected to the equipment body; the battery cavity is formed by an inward recess of the equipment body; the battery cavity is used to accommodate the plurality of backup batteries and is provided with a pairs of outwardly extending power plugs. The power plugs are used to plug-connect with the power jacks of the backup battery. The cooling device surrounds the battery cavity to dissipate heat when the plurality of backup batteries are being charged.
Owner:SHANGHAI YUJET CO LTD

A redundant power supply system and control method thereof

The present invention provides a redundant power supply system and a control method thereof, wherein the system includes a power battery, a DCDC converter, a main battery, a power isolation module and a backup battery, wherein a main circuit, a first circuit and a second circuit arranged in parallel are provided in the power isolation module, one end of the first circuit is connected to the main power supply circuit, and the other end thereof is connected to the main circuit; one end of the second circuit is connected to the backup battery, and the other end thereof is connected to the main circuit; MOSFET Q1 and MOSFET Q2 are arranged in series on the first circuit, and MOSFET Q3 and MOSFET Q4 are arranged in series on the second circuit; the power isolation module also includes a first monitoring circuit, a second monitoring circuit, a first driving circuit and a second driving circuit; and a battery power sensor connected to the power isolation module for communication is provided on the backup battery. The present invention can ensure the normal power consumption of the whole vehicle and the reliability and life of the backup battery.
Owner:ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD

Backup battery undervoltage management circuit and method

The present invention discloses a backup battery undervoltage management circuit and method, comprising: an MCU circuit, an OR gate circuit, a battery voltage detection circuit, a resistor voltage divider circuit and a switch circuit; the MCU circuit sets a high or low level for a first output terminal and a second output terminal according to the working state of a vehicle-mounted terminal and / or the detected backup battery power; the OR gate circuit is used to determine whether a high level is output; the battery voltage detection circuit is respectively connected to the backup battery, the MCU circuit, and the OR gate circuit to detect whether the backup battery is undervoltage; the resistor voltage divider circuit is arranged between the backup battery and the MCU circuit, and when the vehicle-mounted terminal is not in a dormant state, the MCU circuit detects the output of the resistor voltage divider circuit; the switch circuit is arranged between the OR gate circuit and the backup battery, and controls whether to power the MCU through the OR gate circuit. The present invention can accurately and timely detect whether the backup battery is undervoltage, and perform corresponding actions to turn off or on the backup battery.
Owner:XIAMEN YAXON ZHILLAN TECHNOLOGY CO LTD

Battery hot swapping

Techniques and apparatus for swapping a primary power source (e.g., a main battery) while using a secondary power source (e.g., a backup battery or a supercapacitor) to power a portable device. One example integrated circuit (IC) for power management generally includes a first power supply node; a second power supply node; a first port for coupling to a primary power source; a first switch coupled between the first power supply node and the first port; a second port for coupling to a secondary power source; a second switch coupled between the first power supply node and the second port; and a third switch coupled between the first and second power supply nodes. For certain aspects, the IC also includes a third power supply node, a voltage regulator coupled between the first and third power supply nodes, and a fourth switch coupled between the second and third power supply nodes.
Owner:QUALCOMM INC

Communication base station standby battery SOH calculation method based on PINN model

The invention discloses a communication base station standby battery SOH calculation method based on a PINN model. The method comprises the steps that the surface pressure or pressure intensity value of a battery is collected through a flexible film pressure sensor arranged between battery cells in a standby battery pack; and obtaining an SOH estimation result of the standby battery by using a pre-trained PINN-based SOH prediction model of the standby battery according to the pressure or pressure change value of the standby battery after standing for a preset time from the floating charging end moment to the relaxation stage. According to the method, the problems that a traditional SOH calculation method cannot be applied and errors are too large in the current base station floating charging environment are fully solved, and the precision reaches the level of more than 7 times of the precision of an existing calculation method in the market (the errors are improved to 0.7% from 5%).
Owner:CHINA TOWER CO LTD

Sodium ion starting battery

The utility model discloses a sodium ion starting battery which is characterized in that the sodium ion starting battery comprises a module shell which is hollow, the module shell is fixedly connected with symmetrical hollow square frames, and the symmetrical hollow square frames are fixedly connected with U-shaped clamping plates respectively; the main battery module and the standby battery module are respectively arranged in the module shell; the BMS control panel is fixedly connected with the symmetrical U-shaped clamping plates, and the standby battery module is electrically connected with the BMS control panel; and the wire mainboard is fixedly connected with the main battery module, and the main battery module is electrically connected with the wire mainboard. The utility model relates to the technical field of start-stop batteries, in particular to a sodium ion start battery. The technical problem to be solved by the utility model is to provide the sodium ion starting battery which is favorable for realizing power supply by the main battery module under the normal condition, and when the main battery module is used up, a switch is pressed down, and the standby battery module is started to supply power.
Owner:SHENZHEN YISEN LITHIUM BATTERY TECH CO LTD

An integrated power inspection exoskeleton with lightweight modular structure

The present invention discloses an integrated power inspection exoskeleton lightweight modular structure, which relates to the technical field of intelligent power equipment, including a shell mechanism, and an assembly mechanism is fixedly connected to the front end surface of the shell mechanism. The main body of the assembly mechanism is a ring structure, which solves the problem that the existing exoskeleton has a large dead weight and thus increases the extra burden on the user. When in use, the driving machinery needs to rely on an external power module for driving. Under this driving mode, it is impossible to replace the backup power supply and the drive unit, and it is impossible to adapt to the problem of rapid switching under different torque requirements. Through the arc-shaped cooperation between the limiting mechanism and the limiting component, and the hexagonal locking structure of the limiting plug and the limiting slot, the servo motor and the energy storage component can be quickly replaced, and different torque motors or backup batteries can be switched without tools, thereby solving the problem that the existing exoskeleton relies on a single power supply and cannot adapt to complex working conditions, thereby improving operation continuity.
Owner:STATE GRID SHANXI ELECTRIC POWER COMPANY TAIYUAN POWER SUPPLY COMPANY

Novel wireless room temperature collector

The utility model discloses a novel wireless room temperature collector, which comprises a wireless room temperature collector body, and the wireless room temperature collector body comprises a temperature sensor, a microprocessor, a wireless communication module, an alarm, a power supply, a power supply management module and a standby battery. The wireless room temperature collector can monitor the electric quantity use condition of the power supply in the normal use process of the wireless room temperature collector body, can timely cut off the power supply and switch the standby battery to supply power when the electric quantity of the power supply is insufficient, can effectively reduce the condition that the normal continuous work of the wireless room temperature collector body is influenced by the insufficient electric quantity, and improves the safety of the wireless room temperature collector body. By cutting off the power supply in time, the situation that the service life of the wireless room temperature collector is affected due to long-time overdischarge of the power supply can be effectively avoided, the use stability of the power supply and the wireless room temperature collector body is improved, in addition, the power supply and the standby battery can be charged through solar energy after use, overcharge protection is carried out in the charging process, and the service life of the wireless room temperature collector is prolonged. And the use safety is improved.
Owner:HENAN ZHUOZHENG ELECTRONICS TECH CO LTD

ThermoElectric Recharging Using Waste-Heat For Demand Charge Reduction

A system for recuperating waste heat for charging backup batteries and / or driving electrical loads is presented using thermoelectric generators to perform battery charging, particularly in quick serve restaurants (QSRs). Machine learning is applied to estimating the availability of power from thermoelectric generating based devices and for predicting and planning for the use of the available stored energy for peak energy usage periods thus reducing demand charges.
Owner:BUDDERFLY INC

Unmanned aerial vehicle aerial photographing device for territorial planning surveying and mapping and control method

The invention relates to the technical field of territorial planning, and provides an unmanned aerial vehicle aerial photographing device for territorial planning surveying and mapping, comprising: a chassis in which a standby battery, a vibration sensor and an integrated control box are arranged; the driving mechanism drives the blades to rotate through an output shaft of a driving motor so as to realize flying movement of the case; the electromagnetic buffering assembly comprises an electromagnetic iron ring, a moving rod and a spring which are arranged in the supporting pipe, the moving rod is attracted when the electromagnetic iron ring is powered on, and the moving rod is pushed by the spring to stretch out to buffer landing impact when the electromagnetic iron ring is powered off; and the head-mounted control equipment comprises remote control equipment for sensing head actions and film watching glasses. Through multi-dimensional innovation of electromagnetic buffering, head-mounted control, data encryption and an intelligent algorithm, the defects of a traditional unmanned aerial vehicle in the aspects of impact resistance, control precision and data safety are overcome. The embodiment verifies and shows that the comprehensive performance is obviously superior to that of the prior art, and the engineering application value is high.
Owner:MA JIAN INT ARCHITECTURAL DESIGN CONSULTANTS CO LTD

Vehicle control method, vehicle control device, vehicle and storage medium

The invention provides a vehicle control method and device, a vehicle and a computer readable storage medium, and relates to the technical field of vehicle control. The method comprises the steps that the current battery state of the vehicle is monitored; if the current battery is in the power shortage state, detecting an unlocking operation or a locking operation on a vehicle door in the vehicle; activating a backup battery of the vehicle; and the vehicle door is controlled to be unlocked or locked through the standby battery. When the battery of the vehicle is in the power shortage state, normal unlocking or locking of the vehicle door can be ensured, and therefore the convenience of using the vehicle by a user is improved.
Owner:GREAT WALL MOTOR CO LTD

Method for determining activation time of liquid storage type reserve battery

The invention discloses a method for determining activation time of a liquid storage type reserve battery, which comprises the following steps: S10, acquiring parameters of a standard-size battery: selecting the standard-size battery as a pilot sample and an independent verification sample, and acquiring an electrolyte infiltration quality-time curve and actual activation time; s20, prediction parameter acquisition: calculating an initial time scaling factor and an initial infiltration quality critical threshold value of the pilot sample according to the electrolyte infiltration quality-time curve and the actual activation time of the pilot sample, and performing error verification by using independent verification sample parameters to obtain a prediction time scaling factor and a prediction infiltration quality critical threshold value; and S30, target battery activation time prediction: according to a target battery electrolyte infiltration quality-time curve, obtaining the time required for the target battery infiltration quality to reach the prediction critical threshold, and calculating the activation time of the target battery in combination with the prediction time scaling factor. The activation time determination method is high in efficiency and good in precision.
Owner:NANJING UNIV OF SCI & TECH

Redundancy systems for fly-by-wire vehicles

A universal vehicle control router for fly-by-wire aircraft may include multiple vehicle control computers, such as flight control computers. Each flight control computer may be part of an independent channel that provides instructions to multiple actuators to control multiple vehicle components. Each channel is a distinct pathway capable of delivering a system function, such as moving an actuator. Each flight control computer may include a fully analyzable and testable voter (FAT voter). In the event of a failure to one of the flight control computers, the FAT voters may cause the failing flight control computer to be ignored or shut off power. Each flight control computer may comprise a backup battery. In the event of a power disruption from the primary power source, such as a generator and primary battery, the backup battery may power the flight control computer and all actuators.
Owner:SKYRYSE INC