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68results about How to "Reduce charging frequency" patented technology

Permanent-magnet DC motor drive control system with approximate constant power pulling motor characteristics

A permanent-magnetic DC motor bearing similar characteristics with the constant power pulling motor, in particular a new drive control system for brushless motor adopts new technologies of full electronic drive control and DC-DC transducer. The motor can generate great drive torque, i.e. high tractive force, climbing ability and better acceleration performance with low power consumption, and eliminate the needs for improvement to the motor structure, complication, high manufacture cost or weak magnetic control; the motor may further gain such performance as high speed, wide speed regulation and infinite variable speed under light load; the total voltage of the battery and the number of single series of connection can be reduced; controllable electric brake can be realized through fully utilizing the energy feedback during sliding and braking. The new system can significantly improve the kinetic performance, safety and reliability of electric vehicles and remarkably reduce operating costs, with ideal characteristics expected in various electric vehicles powered by rechargeable battery or / and super capacitance as well as significantly expanded work scope and capacity for conventional electrically driven system.
Owner:李平 +1

Wheel hub motor electric car braking system and braking energy recovery control method

The invention discloses a wheel hub motor electric car braking system and a braking energy recovery control method. The braking force of a braking system on a traditional electric car is difficult to control, and a storage battery is repeatedly charged and discharged, so that the service life of the storage battery is short. In the wheel hub motor electric car braking system, a wheel hub motor, a motor controller, a planetary reducer and a magnetic powder brake are integrated inside each wheel; each wheel hub motor is controlled by the corresponding motor controller and is connected with the corresponding magnetic powder brake through the corresponding planetary reducer; an output shaft of each magnetic powder brake is connected with a wheel hub through bolts; each gear ring and a corresponding reducer shell form a revolute pair, and each gear ring is connected with the corresponding reducer shell through a plurality of electromagnetic actuators; and the electromagnetic actuators control on-off of power transmission between each wheel hub motor and the corresponding wheel by controlling the corresponding gear ring. The braking energy recovery control method comprises the braking force distribution process and the energy recovering and utilization process. According to the wheel hub motor electric car braking system and the braking energy recovery control method, the feedback braking force and the non-feedback braking force are effectively distributed; the feedback braking force is preferentially used for vehicle-mounted electrical appliances; and when a car is emergently braked, the gear rings idle, so that the motors are protected.
Owner:福建艾密克新能源科技有限公司

Power supply device

A power supply device comprises a battery pack, a controller, a switch module and an output end. The battery pack can output preset power supply voltage to a load through the output end and comprises a plurality of batteries which are connected in series and connected with the output end through the switch module. The controller is connected to the output end and the switch module to detect voltage outputted by the battery pack. The controller first sequentially controls each battery to output the preset power supply voltage individually, then sequentially controls two or more than two batteries to be connected in series and enables the total voltage outputted by the plurality of batteries connected in series to reach the preset power supply voltage until the total voltage of all the batteries sequentially connected in series is still lower than the preset power supply voltage when the voltage outputted by each battery is detected to be lower than the preset power supply voltage.
Owner:HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1

Ultra-low power consumption standby bluetooth device and implementation method thereof

The invention discloses an ultra-low power consumption standby bluetooth device and an implementation method thereof. The bluetooth device comprises a main body and a switch device, a control circuit is arranged in the main body, the control circuit comprises a bluetooth module, a low level trigger ultra-low power consumption switch module and a high level trigger reset switch module, the low level trigger ultra-low power consumption switch module is connected with a deep sleep control pin of the bluetooth module, the high level trigger reset switch module is connected with an ON / OFF end of the bluetooth module, and a switching device controls the low level trigger ultra-low power consumption switch module and the high level trigger reset switch module to work. When a 50MAH battery is used on a bluetooth headset, standby current is 0.5muA, theory standby time can as long as 2500 hours which is amounted to 104 days, and when the ultra-low power consumption standby bluetooth device is used on the bluetooth headset, the standby time can increase from 4 days to 104 days, 100 days of standby time are increased, charging frequency is greatly reduced, and using convenience is increased.
Owner:SHENZHEN SHI KISB ELECTRONICS CO LTD

Precision syringe pump and manufacturing method thereof

A precision syringe pump employing a syringe comprises a motor, a lead screw and a syringe driving head connected to the lead screw. The syringe comprises a cylinder and a plunger. The motor drives the lead screw to rotate clockwise or counterclockwise to drive the syringe driving head and push the plunger to move within the cylinder. The syringe pump further comprises: a magnetoresistive sensor, at least one permanent magnet and an MCU, the at least one permanent magnet being located on the lead screw and rotating therewith; the magnetoresistive sensor can sense the magnetic field generated by the at least one permanent magnet; the input end of the MCU is connected to the magnetoresistive sensor, and the output end of the MCU is connected to the motor; the MCU receives signals from the magnetoresistive sensor and controls, according to the signal feedback, the direction and velocity of the lead screw rotated by the motor. The precision syringe pump of the present invention is characterized by high sensitivity, high reliability, low power consumption and low cost, and is convenient to use.
Owner:MULTIDIMENSION TECH CO LTD

Hybrid power and electric system of electric car

The invention provides a hybrid power and electric system of an electric car, provides two electric sources for electric cars and solves the problems that an electric car is insufficient in endurance and is impractical due to long charging time. The hybrid power and electric system of the electric car comprises a pneumatic engine, a gas storage device, a generator, a storage battery and a motor. The pneumatic engine can receive compressed gas to generate electricity. The gas storage device provides compressed gas for the pneumatic engine. The generator is driven by the pneumatic engine to generate electricity. The storage battery can be charged by external electricity or electricity of the generator. The motor provides a power source for the electric car, and the generator is driven by the storage battery or the pneumatic engine to generate electricity to power the motor. Therefore, the electric car can be charged while being driven, endurance is increased, high-pressure gas is easy to use to inflate fast and easy to obtain, price is low, and pollution is avoided.
Owner:粘育珲

Method for reducing power consumption of bluetooth headset

The invention provides a method for reducing the power consumption of a bluetooth headset. By utilizing the method, the power consumption of the bluetooth headset is reduced in a non-conversation state, namely in a shutdown state. The method is as follows: firstly, when an incoming call exists, the power supply of the headset is switched on; subsequently, a request for establishing a service level connection (SLC) is sent from the headset, a mobile phone sends a signal to inform the headset that the incoming call or an outbound call exists after the SLC is successfully established, the headset initiates a request for establishing an audio after receiving the signal, and the call is connected after the audio connection is successful; when the conversation is finished, the mobile phone is hanged off from the headset, the headset initiates a request for hanging off the call to the mobile phone, the call is hanged off after the mobile phone receives the signal, and the headset is informed; the connection between the headset and the phone is disconnected after the headset receives the signal; and the power supply of the headset is switched off. By utilizing the method, the standby time of the headset is omitted, the energy consumption of the headset is saved, and the frequency of charging the mobile phone is reduced.
Owner:SHAANXI UNIV OF SCI & TECH

Flat plate type mobile terminal with at least one auxiliary touch display screen module

The present invention provides a flat plate type mobile terminal with at least one auxiliary touch display screen module. The mobile terminal comprises: a mobile terminal main body which has a planar front surface, a single main display screen located on the front surface of the mobile terminal main body, and at least one auxiliary touch display screen module, wherein each auxiliary touch display screen is provided with an auxiliary display screen and a touch sensor, and each auxiliary display screen is located on the front surface where the main display screen is located, and is arranged at the periphery of the main display screen; and the display area of each auxiliary display screen is not beyond 20% of the display area of the main display screen. According to the flat plate type mobile terminal with the at least one auxiliary touch display screen module, provided by the present invention, by arranging the auxiliary touch display screen module at the side edge of the main display screen to perform separated and classified display on concise information and to perform operation, usage of the high electricity-consumption main display screen is significantly reduced; and meanwhile, electricity consumption of a display chip is reduced, thereby reducing charging frequency of a device and prolonging usage time of the device.
Owner:ZHEJIANG GEELY HLDG GRP CO LTD

Bluetooth apparatus with ultra-low standby power consumption and method for implementing same

The present invention provides a Bluetooth apparatus with ultra-low standby power consumption and an implementation method thereof. The Bluetooth apparatus comprises a main body and a switch apparatus. A control circuit is arranged in the main body, and the control circuit comprises a Bluetooth module, a low-level-triggered ultra-low power consumption switch module and a high-level-triggered reset switch module. The low-level-triggered ultra-low power consumption switch module is connected to a deep sleep control pin of the Bluetooth module, and the high-level-triggered reset switch module is connected to an ON / OFF end of the Bluetooth module. A switching apparatus controls the low-level-triggered ultra-low power consumption switch module and the high-level-triggered reset switch module to work. According to the present invention, when a 50 MAH battery is used on a Bluetooth headset, the standby current is 0.5 uA, and theoretical standby time can reach 2500 hours, which is amounted to 104 days. When the novel technology is used on the Bluetooth headset, standby time can increase from 4 days to 104 days, with an increase of 100 days of standby time, which greatly reduces charging frequency and improves convenience in use.
Owner:SHENZHEN SHI KISB ELECTRONICS CO LTD

Shared parking management system

InactiveCN110930759AImprove experienceStop blindly looking for parking spacesTicket-issuing apparatusTransmission systemsSimulationUncrewed vehicle
The invention discloses a shared parking management system. Remote monitoring and management of stereo garage parking spaces, planar parking spaces and roadside parking spaces are realized. Accordingto the system, the stereo garage does not need to be on duty and operates fully automatically, safely and reliably, publishing, drainage and charging management of parking space information includingstereo parking spaces, planar parking spaces and roadside parking spaces are achieved, the time-sharing sharing function of the parking spaces is provided, the use efficiency of parking space resources is improved, and parking space sharing persons can gain benefits; the shared parking management system comprises a cloud platform, a mobile terminal, a stereo garage, a parking space lock, an unmanned aerial vehicle for patrolling roadsides and the like, a user uses the mobile terminal to be connected to the cloud platform, parking space reservation, parking, vehicle taking and payment are achieved, and autonomous control of the mobile terminal is achieved in the whole process. According to the invention, the operation cost of the stereo garage, the roadside parking spaces and the parking lot is effectively reduced, the turnover rate of the parking spaces and the experience feeling of users are improved, the shared ecology of the plane and the stereo parking spaces is established, and great contribution is made to relieving the parking difficulty.
Owner:PARKSHEN SMART PARKING MANAGEMENT CO LTD +1

Amphibious inspection device for transformer substation, and inspection method thereof

The invention discloses an amphibious inspection device for a transformer substation, and an inspection method thereof. The amphibious inspection device comprises an unmanned aerial vehicle, and a control system, a flight mechanism, a walking mechanism and a camera which are arranged on the unmanned aerial vehicle, and the flight mechanism, the walking mechanism and the camera are connected with the control system of the unmanned aerial vehicle, the control system can detect the distance of the unmanned aerial vehicle relative to other objects through the laser radar sensor, and the camera can shoot image and / or video information of an inspection target to obtain inspection data. Through the flight mechanism and the walking mechanism, the unmanned aerial vehicle can be controlled to inspect in a flight mode or a walking mode; and the device has air flying capability and land walking capability, can select to perform flying inspection in the air or walking inspection on the land according to the environment of the transformer substation, so that the unmanned aerial vehicle inspection operation management of the power transmission line is more scientific and effective, and the inspection efficiency and the inspection accuracy of the transformer substation can be effectively improved; and the device and the method are suitable for routing inspection in a complicated environment such as a transformer substation.
Owner:广东极臻智能科技有限公司

Photovoltaic intelligent bracelet

ActiveCN105559270AArea does not affect each otherView bothBraceletsWrist-watch strapsExtreme positionAcceleration Unit
The invention provides a photovoltaic intelligent bracelet which comprises a base. A middle section of the photovoltaic intelligent bracelet comprises a transparent sealing pipe, and a columnar inner core which is connected to the base by rotary shafts is arranged inside the sealing pipe; a photovoltaic panel is arranged on the semi-circumference of the inner core, and a display screen is arranged on the other semi-circumference of the inner core; two ends of the rotary shafts respectively extend into vertical slide rails in the base and are connected with two gears respectively, and the gears are meshed with racks which can slide up and down in the slide rails; the upper and lower ends of the racks are constrained by constraint springs, and the racks, the gears and the rotary shafts are balanced at certain positions when the base is still and the front surface of the base faces upwardly, so that the front surface of the photovoltaic panel faces upwardly; force required by acceleration of 1 m / s<2> can be acquired by the racks, so that elastic force of the constraint springs can be overcome by the racks, and the racks can slide to extreme positions of the lower ends of the slide rails; the gears can rotate to certain positions when the racks are located at the extreme positions of the lower ends of the slide rails, so that front surface of the display screen faces upwardly. The photovoltaic intelligent bracelet has the advantages that solar energy can be sufficiently utilized for charging batteries of the photovoltaic intelligent bracelet, and accordingly charging trouble can be prevented or reduced.
Owner:GUANGZHOU FUTIAN INFORMATION TECH

Intelligent parking lock control system

InactiveCN110924330ASolve the management problem of time-staggered sharingReduce charging frequencyTraffic restrictionsParkingsMicrocontrollerCommunication unit
The invention discloses an intelligent parking spot lock control system which comprises a microcontroller. The microcontroller is connected with a power supply unit, an anti-collision detection unit,a vehicle existence detection unit, a vehicle lock driving unit, a sound unit and a wireless communication unit; the wireless communication unit communicates with a mobile terminal and a cloud platform; the mobile terminal communicates with the cloud platform; the vehicle existence detection unit detects whether a vehicle is parked above the parking space lock or not, and when it is detected thatthe parked vehicle leaves, the microcontroller controls the parking space lock driving unit to be automatically locked. According to the invention, the accident that the parking space lock or the vehicle is abnormally damaged due to wrong detection is solved. The problem of high power consumption of communication between the parking space lock and a cloud platform and controlled locking and unlocking is solved, the microprocessor in the wireless communication unit is used for replacing a microcontroller, the cost of the parking space lock is reduced, and guarantee is provided for relieving urban parking space resource shortage and achieving parking space staggered sharing.
Owner:HUNAN SCIENTOP AUTOMATIC EQUIP SHARES +1

Charging device and electronic equipment

The invention discloses a charging device and electronic equipment, belongs to the technical field of electronics and solves the technical problem that conventional wearable electronic equipment needs to be charged frequently. The charging device comprises magnetoelectric components and a charging battery; when the charging device moves, the magnetoelectric components produce electric energy which can be used for charging the charging battery. The charging device can be used for smart watches and other wearable electronic equipment.
Owner:WUHAN CHINA STAR OPTOELECTRONICS TECH CO LTD

LED notification watch

The present disclosure discloses a timekeeping apparatus, comprising: a case; a display area on a side of the case; a light source near the display area, the light source being capable of emitting light with different colors to indicate different types of messages received by the timekeeping apparatus.
Owner:WISILICA INC

A heterogeneous multi-core embedded real-time system energy consumption optimization scheduling algorithm method

ActiveCN109189205AExtended service lifeReduce task execution energy consumptionDigital data processing detailsWorking lifeParallel computing
The invention discloses a novel heterogeneous multi-core embedded real-time system energy consumption optimization scheduling algorithm. The task scheduling scheme is encoded into a binary matrix, a local update matrix is also set, the matrix values of the corresponding positions in the scheduling scheme matrix are replaced by the full permutation matrix values of the local updating matrix, and ascheduling solution satisfying the deadline and consuming the lowest energy is found out from all the scheduling solutions generated by the replacement, and the scheduling solution is taken as a new scheduling scheme matrix, so as to realize the local optimization of the scheduling scheme matrix. The local updating matrix is moved continuously, the optimal operation is carried out cyclically, andthe optimal energy dispatching solution of the multi-core dispatching system is obtained under the premise of guaranteeing the real-time performance. Thousands of comparative experiments show that compared with the traditional genetic algorithm, the method of the invention can reduce the energy consumption of the embedded equipment by 13.37-72.92%, can prolong the working life of the embedded equipment, and has important significance for the practical application of the embedded equipment.
Owner:WUHAN UNIV OF TECH

Tubular heater as well as preparation method and application thereof

The invention discloses a tubular heater as well as a preparation method and application thereof. The preparation method comprises the steps of (1) providing a ceramic-based cast film; (2) forming a first insulating layer on at least part of the surface of the cast film; (3) forming an electrode layer on at least part of the surface of the first insulating layer; (4) forming a second insulating layer on at least part of the surface of the electrode layer; (5) winding the composite film obtained in the step (4) to form a tubular structure provided with a multilayer heater assembly; (6) enablingthe tubular structure product obtained in the step (5) to be subjected to isostatic pressing treatment and high temperature co-firing treatment; (7) welding an electrode lead on the product obtainedin the step (6) so as to obtain the tubular heater. The method provided by the invention is simple in process and low in energy consumption; furthermore, the prepared tubular heater is high in strength, falling-resistant, low in heat transfer and heat dissipation coefficients and more uniform in heating, can save energy to the utmost extent, reduces the charging frequency of an electronic cigarette, and solves the problem of heat generation of a whole cigarette rod.
Owner:SHENZHEN TAOTAO TECH CO LTD

Electric car utilizing rotation of hubs for electricity generation

The invention discloses an electric car utilizing rotation of hubs for electricity generation. The electric car comprises a car body, an electricity generating device and an electricity transmission mechanism, the electricity generating device comprises hub transmission mechanisms mounted on tyres of the car body and an electricity generator for converting mechanical energy of the hub transmissionmechanisms into electric energy, and the hub transmission mechanisms comprise the hubs mounted on the inner profiles of the tyres of the car body, bearings for being connected with the hubs in the tyres on the two sides of the car body, permanent magnet rotors arranged in the hubs and fixed to the bearings, and coils arranged on the peripheries of the permanent magnet rotors. The coils are provided with transmission line interfaces for being connected with the electricity generator, and the electricity transmission mechanism comprises a battery pack for electricity supplying and a motor for converting the electric energy into mechanical energy and driving the tyres to rotate. The electric car utilizes power generated in rotation of the hubs to drive the rotors to rotate so that the battery pack can be charged at the same time in the electricity using process, and the electric car can keep for a long duration time in running.
Owner:杭州青黛科技有限公司

Clutch generating device applied to wheel axle

The invention provides a clutch generating device applied to a wheel axle. The clutch generating device comprises a housing, a stator base, a rotor base, and a clutch mechanism. The outer rim of the housing is fixed to the chassis or the suspension of a vehicle. The wheel axle of the vehicle may pass through the housing in order that the wheel axle may rotate relative to the housing. The stator base is fixed to the inner rim of the housing and is provided with multiple stators along the circumference of the wheel axle. The stators can be electrically connected with a power module in the vehicle. The rotor base movably sleeves the wheel axle and is provided with multiple rotors along the circumferential direction. The rotors correspond to respective stators. The clutch mechanism comprises a driven ring, a rotary disc, multiple connecting rods, multiple driving blocks, and multiple elastic elements. The clutch generating device is easy to use, contributes to improvement in vehicle power consumption, and may continuously and proactively generates electric power in the driving of the vehicle.
Owner:范斌

Method for reducing power consumption of Bluetooth earphone

The invention provides a method for reducing power consumption of a Bluetooth earphone. The method comprises the steps of keeping the Bluetooth earphone in a non-calling state, namely an off state for reducing power consumption; when an incoming call occurs, starting the power supply of the earphone, then transmitting an SLC connection establishing request by the earphone, after the SLC connection establishing request succeeds, transmitting a signal by a mobile phone for notifying the earphone of calling-in or calling-out, after the earphone receives the signal, transmitting an audio connection establishing request, and after successful audio connection, realizing connection of the call; and when the call is ended, hanging up the call from the earphone, then transmitting a call hanging-up request by the earphone to the mobile phone, after the mobile phone receives the signal, hanging up the call and notifying the earphone, and after the earphone receives the signal, performing disconnection with the mobile phone and switching off the power supply of the earphone. The method has advantages of saving standby time of the earphone, saving energy consumption of the earphone, and reducing charging frequency of the earphone.
Owner:张国庆

Photovoltaic mobile device

A photovoltaic mobile device includes a backlight module and a liquid crystal display panel. The backlight module includes a plurality of light sources, a photovoltaic substrate, and a light guide plate. The light sources are disposed at a side of the light guide plate, and the light guide plate is disposed above the photovoltaic substrate. The liquid crystal display panel is disposed on the light guide plate. The photovoltaic substrate includes a plurality of strip type photovoltaic components.
Owner:HANNSTAR DISPLAY CORPORATION

Smart bracelet

InactiveCN106165948AView bothShow less contentPhotovoltaicsBraceletsComputer moduleSpring force
The invention provides a smart bracelet, which is characterized by comprising a base, wherein both ends of the base are connected to a bracelet belt. The smart bracelet is characterized in that the middle section of the base is formed by a transparent sealing tube, a columnar inner core is arranged inside the sealing tube, the inner core and a rotation shaft coaxial with the sealing tube form an axial connection on the base, the surface of the inner core is provided with a photovoltaic module, the other surface is provided with a display screen, both ends of the rotation respectively extend into the vertical direction slideway inside the base, both ends of the rotation shaft are respectively connected to a gear, the upper end and lower end of a gear rack are restrained by a restraining spring, the gear rack, the gear and the rotation shaft are balanced at the position for making the front surface of the photovoltaic module be upward when the smart bracelet is stationary and the front surface of the base is upward, the stiffness of the restraining spring is restrained to make the gear rack overcome the spring force of the restraining spring so as to slide to the limit position of the upper end or the lower end of the slideway, and when the gear rack is at the limit position of the lower end of the slideway, the gear rotates to make the front surface of the display screen be upward. According to the present invention, the smart bracelet completely uses solar energy to charge so as to reduce the trouble of the charging.
Owner:陈嘉慧

Formaldehyde detector enhanced protection precision alarm system

The invention discloses a precise alarm system for enhanced protection of a formaldehyde detector, comprising a signal trigger chip U1, a capacitor C4, a capacitor C2, a power input circuit, a trigger alarm circuit, a drive protection circuit, and a drive enhancement circuit. The invention provides a formaldehyde detector enhanced protection precision alarm system, which reduces the power consumption of the alarm system, improves the operation stability and accuracy of the system, thereby greatly improving the use value and use effect of the product, and better Improve the service life of the product.
Owner:CHENGDU HANXING TECH CO LTD

Control method and control device of intelligent door lock and intelligent door lock

The invention relates to an intelligent door lock and a control method and device of the intelligent door lock. The control method comprises the steps that the standby time of the intelligent door lock is obtained, whether the standby time meets a preset closing condition or not is judged, and when the judgment result is yes, a wireless communication module of the intelligent door lock is closed. According to the control method, the problem that the intelligent door lock is difficult to continuously and reasonably save electricity on the basis of standby is solved, so that the electricity consumption of the intelligent door lock can be saved under the condition of not interfering normal use of a user, the charging frequency or replacement frequency of a battery is reduced, the service life of the intelligent door lock is prolonged, and thus, the user experience and satisfaction degree are improved.
Owner:GREE ELECTRIC APPLIANCES INC +1

Formaldehyde detector alarm system provided with drive enhancement circuit

The invention discloses a formaldehyde detector alarm system provided with a drive enhancement circuit, which includes a signal trigger chip U1, a capacitor C4, a capacitor C2, a power input circuit, a trigger alarm circuit, and a drive enhancement circuit. The invention provides a formaldehyde detector alarm system equipped with a drive enhancement circuit, which reduces the power consumption of the alarm system and improves the operation stability of the system, thereby greatly improving the use value and effect of the product, and better Improve the service life of the product.
Owner:CHENGDU RANUS TECH CO LTD

A method for optimal scheduling of energy consumption in heterogeneous multi-core embedded real-time systems

ActiveCN109189205BExtended service lifeReduce task execution energy consumptionDigital data processing detailsWorking lifeParallel computing
The invention discloses a novel energy consumption optimization scheduling algorithm for a heterogeneous multi-core embedded real-time system. Encode the task scheduling scheme into a binary matrix, and then set a local update matrix, replace the matrix values ​​in the corresponding positions in the scheduling scheme matrix with the full array matrix values ​​of the local update matrix, and then find out from all the scheduling solutions generated by the replacement A scheduling solution that can meet the deadline and have the lowest energy consumption is obtained, and this scheduling solution is used as a new scheduling solution matrix, so as to realize the local optimization of the scheduling solution matrix. Continuously move the local update matrix, execute the above optimization operations cyclically, and finally solve the optimal energy consumption scheduling solution of the multi-core scheduling system under the premise of ensuring real-time performance. Thousands of comparison experiments show that, compared with the traditional genetic algorithm, this inventive method can reduce the energy consumption of embedded devices by 13.37-72.92%, and can prolong the working life of embedded devices. application is important.
Owner:WUHAN UNIV OF TECH
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