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477 results about "Power control system" patented technology

Founded in 1980, Power Control Systems is among the leading companies in the switching technologies. Power Control Systems is an UNI EN ISO 9001-2008 certified company; its main targets are the total satisfaction of the clients and the continuous improvement of the products and services quality.

Portable operation and maintenance gateway management and control method and system based on dynamic monitoring feedback

The invention discloses a portable operation and maintenance gateway management and control method and system based on dynamic monitoring feedback, and relates to the field of portable operation and maintenance gateway management and control, and the method comprises the steps: enabling a portable operation and maintenance gateway to be connected between an operation and maintenance terminal and a power control system in series, and carrying out the dual authentication of personnel and equipment; after authentication is passed, operation and maintenance are started, identity, time, position and gateway state of operation and maintenance personnel are collected and monitored in real time, reference information is matched to obtain a matching result, operation and maintenance behaviors are monitored in real time, multi-source data are collected, a management and control strategy is dynamically generated based on risk assessment, and a safety response is triggered; when the equipment is abnormal, an emergency repair mode is switched, non-core authority is relaxed, and whole-course auditing is carried out; the data in the whole operation and maintenance process is uploaded to a remote management platform after structured arrangement, and multi-channel synchronization and delayed uploading are supported when the network is abnormal. The system comprises an authentication module, a risk assessment module, a strategy execution module and a data synchronization module, power operation and maintenance whole-process safety management and control are achieved, efficiency and safety are both considered, and operation traceability is guaranteed.
Owner:GUANGZHOU HONGYING INFORMATION TECH CO LTD

New energy light truck energy distribution method and system

The invention provides a new energy light truck energy distribution method and system, and the method comprises the steps: obtaining the position and track of a vehicle to obtain the road section data of a current driving road section, carrying out the data preprocessing of the road section data, and carrying out the fusion of the preprocessed data, so as to obtain the current load and driving state of the vehicle; inputting the preprocessed data into an initial energy consumption model, introducing a deep learning algorithm to dynamically adjust model parameters of the initial energy consumption model to obtain an iterated target energy consumption model, and obtaining energy consumption coefficient data according to the target energy consumption model; and a motor torque demand curve is generated in real time according to the current load, the road slope and the predicted endurance mileage, torque distribution data are adjusted in combination with an adaptive algorithm, the adjusted torque distribution data are transmitted into a vehicle power control system to obtain real-time operation data of the vehicle, and then energy distribution is conducted on the new energy light truck. According to the invention, the endurance prediction precision is improved, and the real-time adaptive optimization of torque distribution control is realized.
Owner:JAINGXI ISUZU AUTOMOBILE CO LTD

AI intelligent electrochemical multi-effect treatment device

The invention provides an AI intelligent electrochemical multi-effect treatment device, and belongs to the technical field of circulating water treatment. Comprising a main control module, an execution module, a processing module and an auxiliary module, wherein the main control module comprises an AI intelligent control system; the execution module comprises a power supply control system, an electrode system and an automatic electrode reversing device; the processing module comprises a reaction tank and a gas processing system; the auxiliary module comprises an auxiliary component. The AI control system is used for collecting and analyzing water quality data, dynamically adjusting operation parameters and achieving automatic reverse electrode operation, the gas collecting cover is used in cooperation for collecting gas, and then the gas is separated, classified, purified and discharged after safety monitoring, so that the service life of electrodes and equipment is prolonged while efficient water scale removal is achieved, and the water scale removal efficiency is improved. Therefore, the service life, the applicability and the safety of the equipment are improved.
Owner:JIAXING CHENGYI ENVIRONMENTAL PROTECTION TECH CO LTD

Hybrid energy storage and power generation combined power control system and method

The invention belongs to the field of energy storage and power generation combination, and provides a hybrid energy storage and power generation combined power control system and method, and the system comprises a power generation unit, a hybrid energy storage unit, a detection unit, a dynamic frequency response unit, a self-adaptive median calibration unit, and a combined system cooperative control unit. The dynamic frequency response unit dynamically distributes a power instruction based on a power grid frequency deviation delta f and a real-time inertia constant H: when delta f / delta fthgt; one hour power type energy storage is 100% in response; 0.5 lt; when delta f / delta fth is less than or equal to 1, distributing according to a ratio of 7: 3; and when delta f / delta fth is less than or equal to 0.5, the power type energy storage bears all delta P. The self-adaptive median calibration unit adjusts an SOC target value in real time through a dynamic median generator, and power type energy storage out-of-limit locking is avoided in combination with a deviation integrator and a safety boundary protector. And the combined control unit cooperates with multi-source output to realize economic dispatching and frequency stability. The problems of hybrid energy storage dynamic distribution, SOC real-time calibration and multi-source cooperative control are solved.
Owner:이너 몽골리아 일렉트릭 파워 그룹 컴퍼니 리미티드 이너 몽골리아 일렉트릭 파워 리서치 인스티튜트 브랜치

Underwater discharge processing system and method for radiation environment

The invention provides an under-water discharge machining system and method for a radiation environment. The under-water discharge machining system comprises a pulse power supply control system, an electric spark machining head device and a servo control system. The pulse power supply control system comprises a power supply control box, a rectifier and a power amplifier which are electrically connected in sequence. And the power amplifier is electrically connected with the servo control system and the electric spark machining head device. The electric spark machining head device is provided with a feedback signal wiring connected to the servo control system. The pulse power supply control system is matched with the servo control system to drive the electric discharge machining head device to guarantee the process of the workpiece to be machined, so that the problem that conventional electric discharge machining equipment cannot be used in the high-radiation and boron-containing water environment is solved.
Owner:CNNC NUCLEAR POWER OPERATION MANAGEMENT CO LTD

Multi-physical field test device based on simulation of thunder and dust coupling

The invention discloses a multi-physical field test device based on simulation of thunder and dust coupling, belongs to the technical field of climate simulation tests, and provides the following scheme that the multi-physical field test device comprises a test bin, and an upper sealing assembly is arranged above the test bin; the upper sealing assembly is lifted upwards, so that the sealing cloth is pulled open in advance to keep the test bin sealed, the lower sealing assembly is driven by the sliding rod to move upwards, the rotary clamping assembly drives the test piece to be separated from the sealing ring upwards, meanwhile, the protective cover makes contact with the sealing ring, and at the moment, the load bearing plate is lifted upwards by a certain height for material taking operation; in this way, the sealing effect of the test bin can be achieved, sand and dust are effectively prevented from overflowing from the cavity in the sample taking-out process, waste of sand and dust resources is reduced, pollution of the sand and dust to the external test environment is avoided, the environment maintenance cost in the test process is reduced, the sample taking and placing process is controlled through a pure mechanical structure, and the test efficiency is improved. And the damage of strong electromagnetic interference generated during lightning simulation to the power control system is avoided.
Owner:SOUTHWEST TECHNICAL ENGINEERING RESEARCH INSTITUTE OF CHINA SOUTH IND GROUP

Method and device for reducing power consumption of satellite terminal and electronic equipment

The invention discloses a method and device for reducing power consumption of a satellite terminal and electronic equipment. The method comprises the following steps: acquiring the original transmitting power of a satellite terminal; the original transmitting power is adjusted through a power control system, the target transmitting power of the satellite terminal is obtained, and the power control system is used for dynamically adjusting the transmitting power of the satellite terminal; determining a target working voltage of the satellite terminal according to the target transmitting power; the target power consumption of the satellite terminal for data communication under the target transmitting power and the target working voltage is determined, and the target power consumption is smaller than the corresponding original power consumption of the satellite terminal under the original transmitting power. According to the communication satellite terminal, the technical problem that energy consumption is too high due to too high transmitting power or too high working voltage during long-time communication of a traditional communication satellite terminal is solved.
Owner:CHINA TELECOM CORP LTD SATELLITE COMMUNICATIONS BRANCH

Redundancy Power Control System and Method for Controlling the Same

An apparatus of a vehicle may comprise a first DC-DC converter configured to convert an input voltage into a first voltage, a first power distributor configured to supply the first voltage to at least one first electrical load, a second DC-DC converter configured to convert the input voltage into a second voltage, a second power distributor configured to supply the second voltage to at least one second electrical load, and a bidirectional converter configured to convert power between power associated with the first low-voltage and power associated with the second low-voltage based on a power conversion request signal generated by one power distributor and provide the converted power to the other power distributor. Each power distributor is configured to determine a spare current amount and transmit the power conversion request signal based on a failure in the other DC-DC converter.
Owner:HYUNDAI MOTOR CO LTD +2

Real-time scheduling compensation system and method for renewable energy hydrogen production system

The invention belongs to the technical field of scheduling control of renewable energy hydrogen production systems, and provides a real-time scheduling compensation system and method for a renewable energy hydrogen production system. Obtaining an electrolytic cell cluster scheduling plan, a power grid real-time electricity price signal, a real-time running state of an electrolytic cell cluster and real-time output of renewable energy, which are generated by an optimal scheduling model used by the scheduling platform; secondly, comparing the real-time output of the renewable energy source with the minimum operating power threshold of the electrolytic cell, and generating a compensation decision instruction based on a trust scheduling principle in combination with the real-time electricity price signal of the power grid and the real-time operating state of the electrolytic cell cluster; and then, the compensation decision instruction is issued to a power control system of the electrolytic cell cluster, and the scheduling control system corrects the periodically generated electrolytic cell cluster scheduling plan in real time according to the compensation decision instruction. The hydrogen production amount, the wind energy utilization rate and the overall operation efficiency can be remarkably improved.
Owner:SICHUAN UNIV

Self-adaptive power control system based on distributed photovoltaic group scheduling and group control

The invention relates to the technical field of new energy power system control, in particular to an adaptive power control system based on distributed photovoltaic group dispatching and group control. The self-adaptive power control system based on distributed photovoltaic group regulation and group control comprises a distributed data acquisition module which is used for acquiring illumination intensity, environment temperature, inverter output power and bus voltage of all photovoltaic nodes in real time; according to the method, the threshold value is automatically adjusted along with the environment change through dynamic threshold value calculation and real-time fusion of illumination, temperature and historical voltage deviation data, so that the dynamic threshold value can be synchronously reduced in a photovoltaic shed tree shielding scene when local illumination is suddenly reduced, false triggering caused by threshold value stiffness under a fixed threshold value strategy is avoided, and the reliability of the photovoltaic shed tree shielding scene is improved. And meanwhile, by setting a multi-level power adjustment strategy, a flexible adjustment means is called preferentially, and the photovoltaic unit is cut off only in an extreme scene, so that the loss of power generation is reduced.
Owner:LIAONING DONGKE ELECTRIC POWER

Intelligent LED lamp strip power supply control system with automatic voltage jump function

The invention relates to the technical field of LED lighting control, and discloses an intelligent LED lamp strip power supply control system with an automatic voltage jump function, which comprises an intelligent control power supply, a series topology LED lamp strip and a plurality of cascaded constant current voltage division control chips, and further comprises a topology discovery and automatic addressing module for detecting the total node number and allocating addresses; the cascade voltage division and dynamic power consumption balancing module is used for calculating a target voltage division value according to the total node number; the power and data cooperative transmission module broadcasts a target partial voltage value on a power supply bus and realizes two-way communication; the node localization constant-current driving module is used for the chip to receive the target voltage division value, adjust the actual voltage division value and drive the LED in a constant-current mode; and the intelligent fault diagnosis and controllable bypass module is used for monitoring a fault of the chip, reporting a fault containing an address and responding to an instruction to activate a bypass. According to the invention, the cascade voltage division and dynamic power consumption equalization module is adopted, so that the technical effects of consistent power and highly uniform brightness obtained by all LED nodes in an ultra-long distance are achieved.
Owner:GUANGDONG LIANHAO LIGHTING TECH CO LTD

Photovoltaic power station power control system based on frequency change

The invention relates to the technical field of photovoltaic power stations, in particular to a photovoltaic power station power control system based on frequency change. Comprising a grid-connected point, a frequency detection module, a gas phase prediction module, a historical analysis module, an intelligent decision-making module, a power distribution module, a power regulation module and an inverter, the frequency detection module, the gas phase prediction module and the historical analysis module are all bidirectionally and electrically connected with the intelligent decision-making module, and the intelligent decision-making module is bidirectionally and electrically connected with the power distribution module. The power distribution module is bidirectionally and electrically connected with the power adjusting module, and the power adjusting module is bidirectionally and electrically connected with the inverter. Through a gas phase prediction module, time sequence models such as LSTM, Transformer and CNN-LSTM are used, power station data and weather forecast are fused, and the irradiance fluctuation range and trend from a few minutes to a few hours in the future are predicted. And dynamically calculating the optimal load reduction rate by using a reinforcement learning or optimization algorithm based on a prediction result. Therefore, under the condition that the frequency modulation standby requirement is met, the whole-station or group cascade stage power set point is dynamically adjusted in real time.
Owner:HUANENG HAINAN NEW ENERGY POWER GENERATION CO LTD +1

Vehicle-mounted steel bar flexible machining device and machining method

The invention provides a vehicle-mounted steel bar flexible machining device and method. The device comprises a flat truck; the raw material bin module is used for placing steel bars of different specifications; the movable saw cutting unit is used for cutting the reinforcing steel bars into preset lengths; the excess stock bin is used for collecting reinforcing steel bar waste; the lifting transfer truss is used for transferring the reinforcing steel bars in the picking truss to the movable saw cutting unit or transferring reinforcing steel bar waste cut by the movable saw cutting unit to the excess stock bin; the rib stripping and thread rolling module is used for grinding the end surfaces of the reinforcing steel bars; the bending module is used for bending the reinforcing steel bars; the power control system is used for generating a steel bar production material list and controlling the raw material bin module, the movable saw cutting unit, the lifting transfer truss, the rib stripping and thread rolling module and the bending module to complete steel bar machining according to the steel bar production material list. Nomadic production can be achieved, the steel bar transportation time is shortened, steel bar orders are received on the construction site, sporadic material orders are generated, the suit cutting scheme is optimized, the loss rate is reduced, and the steel bar production scheduling time is shortened.
Owner:上海蔚建科技有限公司 +1

Power supply control system, method, work machine, and electronic device

The application relates to the field of power supply control, and provides a power supply control system, a power supply control method, a working machine and electronic equipment.The device comprises a first switch device, a second switch device and a control device; the first switch device is connected with the second switch device, the control device and a power supply device of the working machine; the control device is connected with the power supply device through the second switch device; the first switch device is used for outputting a power-off signal to the control device when being disconnected, and simultaneously controlling the power supply device to stop supplying power to the second switch device; the second switch device is used for controlling the first line between the power supply device and the control device to be disconnected in a time-delay manner when being powered off; and the control device is used for receiving the electric signal output by the first switch device in real time when the first line is turned on, and generating a power-off instruction based on the power-off signal and sending the power-off instruction to high-voltage electric equipment of the working machine if the electric signal is the power-off signal. The application can effectively avoid the damage of forced high voltage to the high-voltage relay and the high-voltage electric equipment.
Owner:SANY HEAVY EQUIP CO LTD +1

Multi-port USB power control system

A system, power allocation method, and device for multi-port universal serial bus power control is provided. The system includes a plurality of power modules, a plurality of charging ports, where each charging port of the plurality of charging ports is connected to a power module of the plurality of power modules, and a controller, where the controller individually and dynamically allocates power to the plurality of power modules.
Owner:TEXTRON INNOVATIONS INC

Flyback power supply control system and method based on multi-mode control

The invention provides a flyback power supply control system and method based on multi-mode control, and relates to the technical field of switching power supplies, and the system comprises a load voltage collection module which is used for collecting a load voltage signal connected with the system; the voltage conversion module is used for performing level shift and amplification circuit processing on the load voltage signal to obtain a load feedback voltage signal; the frequency oscillation control module is used for outputting a corresponding frequency control signal according to the load feedback voltage signal through a self-adaptive frequency control circuit; and the power supply control module is used for controlling the flyback switching power supply to execute a corresponding working mode according to the frequency control signal. According to the technical scheme, multi-mode control over the flyback switching power supply is achieved, meanwhile, the working efficiency of the flyback switching power supply is improved, power consumption is effectively reduced, devices are protected, and the service life of the flyback switching power supply is prolonged.
Owner:SHENZHEN CHENG XIN WEI TECH CO LTD

Power control method and power control system based on phase dislocation control

The invention provides a power control method and a power control system based on phase dislocation control. The power control method comprises the following steps: acquiring a real-time heating state and an expected heating state of a household appliance; if the real-time heating state does not reach the expected heating state, determining the heating power required by the household appliance; if the heating power required by the household appliance is greater than the single-path rated power of the household appliance, the household appliance enters a high-power heating mode; the high-power heating mode is a heating mode in which at least two paths of heating loads of the heating electric appliance are started in a peak shifting manner for heating. In the embodiment of the invention, the heating power of the household electrical appliance can be improved by arranging at least two heating loads in the household electrical appliance, and the at least two heating loads in the heating electrical appliance can be turned on in a peak shifting manner in a high-power heating mode to prevent surge current superposition generated in the starting process of the heating loads. And the internal circuit of the household circuit is protected, and the UL authentication requirement is also met.
Owner:ZHEJIANG TIANXI KITCHEN APPLIANCE CO LTD

Elevator energy-saving apparatus

The present invention provides an elevator energy-saving apparatus, connected in parallel to an elevator variable-frequency drive bus, and comprising: a battery pack, a battery management system (BMS), a power control system, a DC-DC direct current power supply, and a PLC controller, wherein the DC-DC direct current power supply is connected to the BMS and is connected in parallel to the elevator variable-frequency drive bus; the PLC controller is connected to the DC-DC direct current power supply; under the action of the PLC controller, the DC-DC direct current power supply changes a voltage inputted from the battery pack to a second preset voltage, so as to control the voltage of a high-voltage end to be at the second preset voltage; and under the action of a high and low voltage difference, when an elevator generates electricity, the voltage on the elevator variable-frequency drive bus does not rise to a first preset voltage, and a current automatically flows to the elevator energy-saving apparatus. The present invention has the characteristics of energy saving and high efficiency, reducing operating costs, stable operation, reducing the pressure of a power grid, and prolonging the service life of a device.
Owner:JIANGSU JIU POWER STORAGE INTELLIGENT TECHNOLOGY CO LTD

Power supply control system for a hay gathering system

This invention provides a power control system for a grass collection system, comprising: a data acquisition module for acquiring state performance-related characteristic data of the power supply within the power control system; a power state performance evaluation module for generating power state performance indicators based on preprocessed relevant characteristic data; a usage load evaluation module for acquiring operating data of the power system during use and generating power usage load indicators based on preprocessed operating data; and a risk level evaluation module for generating a power risk level based on the power state performance indicators and usage load indicators. This invention, by generating power risk levels from power state performance indicators and usage load indicators, can identify high-risk power supplies in advance, provide early warnings of potential faults, and, based on quantitative analysis, offer users personalized maintenance guidance and operation optimization suggestions, thereby significantly improving equipment reliability, extending power supply lifespan, and reducing sudden safety risks.
Owner:JIANGSU WORLD PLANT PROTECTING MACHINERY

Power supply control device and power supply control system

To prevent power supply interruption during fail-safe control when a microcomputer of a power supply control device malfunctions.SOLUTION: The power supply control device includes a controller and a delay circuit. The controller outputs a first power hold signal to a power relay to control the power relay that supplies power to multiple control devices upon receiving either the first power hold signal or a second power hold signal. The delay circuit delays the first power hold signal for at least the time required for an external device to detect the controller malfunction when the power relay receives the second power hold signal from the external device as a fail-safe control during the controller malfunction.SELECTED DRAWING: Figure 1
Owner:DENSO TEN LTD

Dual-source multi-mode direct-drive power supply control system and managed pressure drilling system

The utility model provides a kind of double-source multi-mode direct drive power control system and pressure control drilling system, it is related to petroleum drilling technical field, direct drive power control system includes: battery management control system, ac servo driver, control signal power supply and DC power battery package;When direct drive power control system is in ac parallel control mode: battery management control system, ac servo driver are sequentially connected;Battery management control system, ac servo driver are also connected with control signal power supply and DC power battery package respectively;When direct drive power control system is in series charging control mode: battery management control system, control signal power supply, ac servo driver are sequentially connected;Battery management control system is also connected with DC power battery package;DC power battery package is also connected with ac servo driver.The utility model is strong in adaptability, can maintain working stability according to the different electric power supply situation of field.
Owner:CHINA PETROLEUM & CHEMICAL CORP +3

Power control system and method

Disclosed herein is a power control system of a processing plant, the power control system comprising: a control system configured to determine power characterisation data of the power supply to one or more loads in the processing plant; a power factor correction system configured to apply a power factor correction to the power supply; a vibration sensor system configured to generate vibration data of one or more locations in the processing plant and to transmit the vibration data to the control system; and a flowrate sensor system configured to generate flowrate data of fluid in one or more conduits in the processing plant and transmit the flowrate data to the control system; wherein the power factor correction applied to the power supply by the power factor correction system is generated in dependence on the determined power characterisation data and at least one of the vibration data and flowrate data.
Owner:ENERGY FACILITIES UK LTD

Redundancy control electric propulsion system

The utility model relates to a redundancy control electric propulsion system, which is characterized in that an emergency propulsion control module is additionally arranged on the basis of an original conventional propulsion control module, so that redundancy of a power control system is realized, and the problem that under the existing mode, a single system of the propulsion system is non-independent, so that the propulsion system is not independent when an emergency situation occurs on a ship is solved. The system solves the problem that the prior art cannot well achieve the operation function under the emergency condition, and achieves the effect that the system can still carry out the emergency operation under the condition that a communication or control module breaks down through the control thought that a program communication control scheme and a hard wire switching value and analog quantity control scheme are combined.
Owner:WUHAN HUIYETAI ELECTROMECHANICAL EQUIP CO LTD

Passive bipolar movable mask electrochemical machining device and method for workpiece

PendingCN121402728AMachining electrodesMachining electric circuitsElectrolytic agentPower control system
The invention discloses a passive bipolar movable mask electrochemical machining device and method for a workpiece. The device comprises a power supply control system, an electrochemical machining system, a motion control system and an electrolyte circulating system, the electrochemical machining system is provided with a first electrochemical machining tank and a second electrochemical machining tank which are oppositely arranged, two electrodes are arranged in each electrochemical machining tank, and two movable masks are pressed and attached to the two faces of a workpiece to form a mask structure. The motion control system drives the two grooves to be closed or separated; the electrolyte circulating system forms flushing and sucking liquid circulation facing the surface of a workpiece through a flushing pipe and a liquid sucking pipe; the power supply control system intermittently switches the polarities of the two electrodes, so that charge distribution on the two sides of the workpiece is alternately changed, and passive bipolar electrochemical machining is realized; according to the method, photoresist is replaced by the movable mask, the process is simplified, the efficient liquid flushing and absorbing mode and the electrostatic induction machining mode are combined, the inter-electrode mass transfer and electric field uniformity are remarkably improved, and the machining efficiency, precision and depth-diameter ratio are improved.
Owner:ZHEJIANG UNIV OF TECH

A radio frequency power control system and method, and a radio frequency plasma system

This invention discloses a radio frequency (RF) power control system and method, and an RF plasma system. The method includes: before the electrostatic chuck cleaning begins, loading a preset parameter set of an impedance matching network associated with the selected cleaning process recipe, and driving the variable capacitors and variable inductors in the impedance matching network to their preset initial positions in the preset parameter set before applying continuous wave RF power; applying continuous wave RF power to the electrostatic chuck and initiating the cleaning process; during the cleaning process, acquiring the load impedance in the impedance matching network in real time at a preset sampling rate, generating a real-time impedance trajectory, and calculating the impedance change rate; determining the current cleaning stage of the electrostatic chuck based on the magnitude of the load impedance and the impedance change rate, and dynamically switching to the impedance matching algorithm corresponding to the cleaning stage to adjust the positions of the variable capacitors and variable inductors in the impedance matching network. This invention achieves low-reflection power matching throughout the entire cleaning process.
Owner:ADVANCED MATERIALS TECH & ENG INC +1

Power control system

A power control system includes: a first energy storage system; a bidirectional AC / DC converter connected between an AC power system and the first energy storage system; and a control device for controlling an operation of the bidirectional AC / DC converter. The control device controls the operation of the bidirectional AC / DC converter to control charging and discharging of the first energy storage system. The power control system includes: a circuit breaker connected between the AC power system and the bidirectional AC / DC converter; a resistor connected between the circuit breaker and the bidirectional AC / DC converter; and a switch for forming a discharge path for discharging the DC power of the first energy storage system via the resistor, while the circuit breaker is open.
Owner:MITSUBISHI ELECTRIC CORP

Multi-rotor unmanned aerial vehicle, power control system and power control method

The invention discloses a multi-rotor unmanned aerial vehicle, a power control system and a power control method, and relates to the technical field of unmanned aerial vehicles, and the multi-rotor unmanned aerial vehicle comprises a vehicle body, vehicle arms, a main power device and an auxiliary power device. The at least two vehicle arms are arranged on the vehicle body, and the at least two main power devices are arranged on the vehicle arms. The at least two auxiliary power devices are arranged on the vehicle arm, and the auxiliary power devices and the main power device are distributed in the extending direction of the vehicle arm at intervals. When the main power device is normal, the auxiliary power device is in a non-working state; when the main power device breaks down, the auxiliary power device provides power guarantee for the unmanned aerial vehicle. According to the scheme, the at least two auxiliary power devices are arranged on the vehicle arms, a main power and auxiliary power cooperative system is formed, power loss can be rapidly compensated when the main power devices fail, the fault-tolerant capability and flight stability of the unmanned aerial vehicle are improved, and the unmanned aerial vehicle is more stable. And the safety and reliability of the unmanned aerial vehicle in a complex environment and a task key scene can be improved.
Owner:HUAXI AVIATION TECHNOLOGY (BEIJING) CO LTD

Power control system and power control method

A power control system (1) is provided with: a panoramic camera (510) that detects objects around a power cable (200) that supplies power to an electric shovel (100) that operates using power; and an object detection calculator (520) that restricts the power supplied to the electric shovel (100) when the distance between the object detected by the panoramic camera (510) and the power cable (200) is within a predetermined range. As a result, it is possible to provide a power control system and a power control method capable of suppressing contact between an object and a power cable and enabling a work machine to operate more safely.
Owner:HITACHI CONSTRUCTION MACHINERY CO LTD

De-icing systems

Aspects of the present disclosure can be embodied in a systems for heating an exterior surface of a bulk medium. In one example, the system includes two or more coupling strips spaced apart from one another and attached to the bulk medium. Each of the coupling strips has a multi-layer structure extending along a surface of the bulk medium that forms, in combination with the bulk medium, an electrical transmission line. The multi-layer structure includes a first dielectric layer over the bulk medium, a conductive layer over the first dielectric layer, a second dielectric layer over the conductive layer, and a conductive shielding layer over the second dielectric layer. A power control system is coupled to the conductive layer of each of the coupling strips and to the bulk medium. The power control system is configured to heat the bulk medium by providing current to the coupling strips.
Owner:DE ICE TECHNOLOGIES INC