99 results about "Energy management unit" patented technology

The invention discloses a micro-grid system based on a direct current bus and a control method, the micro-grid system comprises the direct current bus, an energy management unit and a plurality of power conversion modules, when the micro-grid system is in an independent adjusting mode, each power conversion module controls the direct current bus to operate according to bus operation parameters of the direct current bus; and when the micro-grid system is in a centralized regulation mode, the energy management unit issues a control instruction to coordinate the output power and / or the input power of each power conversion module. According to the technical scheme, a unified direct current bus framework is constructed, the photovoltaic energy unit, the energy storage energy unit, the commercial power energy unit, the direct current load and other loads are directly connected to the direct current bus, direct current direct supply and direct current direct charging are achieved, the energy link structure is simplified, the power conversion link is reduced, the overall energy efficiency of the system is improved, and the system cost is reduced. And the phenomena of multiple energy conversion and energy loss caused by dependence on an alternating current bus in the prior art are avoided.

The invention discloses an embedded passive wireless monitoring device and method for the state of a mining carrier roller. The device comprises a thermoelectric power generation unit, an active heat dissipation unit, a rotating speed monitoring unit, an energy management unit, a state monitoring unit and a magnetoelectric wireless communication unit. The device performs thermoelectric power generation by using friction heat energy, and dissipates heat of a cold end of a thermoelectric power generation sheet through an active heat dissipation unit; a piezoelectric rotating speed monitoring module based on rotating magnetic power generation is designed, and the current abrasion loss is calculated according to the rotating speed of a carrier roller shell and the steady-state voltage of a thermoelectric power generation unit by establishing the mapping relation between the generating voltage of a piezoelectric vibrator and the rotating speed of the carrier roller shell and the mapping relation between the rotating speed of the carrier roller shell and the steady-state voltage of the thermoelectric power generation unit and the thickness of the carrier roller shell; and sampling and communication strategies are adjusted in a self-adaptive mode according to the abrasion grades, and signals are transmitted by penetrating through the carrier roller shell through the magnetoelectric antenna. According to the invention, passive and wireless embedded monitoring of the carrier roller state is realized, and the device has the characteristics of no maintenance, high reliability, adaptability to underground severe environment and the like.

This invention provides an autonomous power generation type multi-system energy management and profitability control system that autonomously generates, stores, and discharges energy without relying on commercial power sources. [Solution] This system comprises an autonomous power generation unit 20 that generates electricity based on natural laws such as mechanical energy, thermal energy, pressure energy, and magnetic energy; a first battery system 30 mainly for supplying power to the load and a second battery system 40 mainly for generating, receiving, and backing up power; an AI energy management unit 50 that controls the power generation, charging, and discharging of these systems; and an economic information acquisition unit 52 that acquires economic information such as electricity unit price information, subsidy information, and loan repayment information.

The invention discloses a self-powered kitchen safety monitoring system, and relates to the field of indoor self-powered system design. The system comprises a voltage monitoring module used for sending an output voltage value, monitored in real time, of a photovoltaic module to a safety monitoring unit; the safety monitoring unit is used for performing kitchen safety judgment, sending a stop instruction to the step-down conversion module when the output voltage value is smaller than or equal to a voltage threshold value, and sending a start instruction to the step-down conversion module when the output voltage value is larger than the voltage threshold value; the voltage reduction conversion module is used for reducing the voltage output by the photovoltaic module and then supplying power to the safety monitoring unit through the automatic switching circuit when the starting instruction is received; and the automatic switching circuit is used for switching the input source to the energy storage module when detecting that the step-down conversion module stops working. According to the kitchen safety monitoring system, uninterrupted kitchen safety monitoring is realized through the energy acquisition unit, the energy management unit and the safety monitoring unit, so that the problem of safety monitoring blind areas of an existing kitchen safety monitoring system is solved.

This invention relates to the field of unmanned aerial vehicle (UAV) control and communication technology, and discloses a multi-mode switching system for UAVs, including an airborne terminal, a ground control terminal, and a cloud-based dispatch center. The airborne terminal, ground control terminal, and cloud-based dispatch center interact via a 6G-WiFi 7 hybrid communication link. The airborne terminal integrates a flight control unit, an ARIS-NOMA fusion communication unit, a multimodal perception unit, and an energy management unit. The cloud-based dispatch center integrates an optimization-driven hierarchical deep reinforcement learning decision engine, achieving integrated coordinated switching of flight attitude, communication mode, and perception mode. This system offers advantages such as integrated coordinated switching, improved adaptability of UAVs in complex environments, and enhanced swarm collaboration capabilities, solving the problems of existing UAV multi-mode switching systems, including single-dimensional switching, weak anti-interference capabilities, high energy consumption, and poor swarm collaboration.

This invention relates to the field of power management technology, and particularly to an intelligent integrated power system and control method based on multi-source collaboration, including a main power module, a backup power cluster, an energy management unit, a voltage adaptation module, a status monitoring unit, a communication module, and a load interface. Compared to existing technologies that typically use a single type of battery pack as a backup power source, which suffers from slow response speed and difficulty in withstanding instantaneous high-power surges, this invention employs a heterogeneous energy storage system composed of parallel lithium battery packs and supercapacitor modules as the backup power cluster, and uses a bidirectional DC / DC converter for intelligent control. This solution fully leverages the different advantages of lithium batteries (high energy density) and supercapacitors (high power density and rapid response), enabling the system to provide both long-term backup power support and instantaneous high-power discharge, thereby significantly improving the dynamic response capability, power support reliability, and overall service life of the backup power source.

The present invention relates to a system (200) and a method (100) for controlling one or more operating conditions (206A, 206B) of a vehicle (100). The system comprises one or more energy management units (202A, 202B) configured to 5 generate a plurality of signals corresponding to plurality of energy storage units (201A, 201B) and a control unit (205) configured to control the one or more operating conditions (206A, 206B) of the vehicle (100) based on the disconnection of the at least one storage unit (201A) of the plurality of energy storage units (201A, 201B) and a comparison of the at least one real-time parameter (207) of the vehicle 10 (100) with at least one predefined parameter (208) of the vehicle (100).

The invention discloses a cathode steel bar current on-line detection system and method based on thermoelectric self-power supply, and relates to the technical field of aluminum electrolysis smelting, the system comprises: a current acquisition unit arranged at two detection points on the surface of a cathode steel bar and used for acquiring a voltage drop between the two detection points to generate a voltage drop signal; the hot end of the thermoelectric power generation unit is attached to the surface of the cathode steel bar, the cold end is connected with the heat dissipation structure, and the temperature difference between the hot end and the cold end drives carriers to move directionally to generate initial electric energy; the energy management unit is used for storing the initial electric energy and boosting and converting to generate stable power supply voltage; and the signal processing and wireless transmission unit is driven by the stable power supply voltage, performs division operation on the voltage drop signal and the resistance value after temperature compensation to generate a current value, modulates the current value into a wireless signal and sends the wireless signal to a far-end receiving terminal. The waste heat of the electrolytic cell is utilized to generate power, energy self-sufficiency is achieved, data are transmitted in a wireless mode, and the problems of power supply and signal transmission in cathode steel bar current detection are fundamentally solved.

The system according to this embodiment aims to improve urban efficiency, sustainability, and the quality of life for citizens. [Solution] The system according to the embodiment comprises a traffic management unit, an energy management unit, a waste management unit, a safety management unit, and a citizen services unit. The traffic management unit has functions for traffic management. The energy management unit optimizes energy consumption based on the traffic flow optimized by the traffic management unit. The waste management unit optimizes waste collection routes based on the energy consumption optimized by the energy management unit. The safety management unit conducts predictive police activities based on the waste collection routes optimized by the waste management unit. The citizen services unit provides services that meet the needs of citizens based on the predictive police activities provided by the safety management unit.

The invention relates to the field of oil field energy supply, and discloses an oil field united station energy supply system and method based on carbon dioxide energy storage and waste water hydrogen production. The carbon dioxide energy storage device is configured to selectively store or release electric energy by using carbon dioxide generated by the oil field united station; the production load comprises a hydrogen production device, and the hydrogen production device is configured to produce hydrogen by using the production wastewater of the oil field united station; the power distribution device is electrically connected with the clean energy power generation device, the carbon dioxide energy storage device and the hydrogen production device; and the energy management device monitors the power generation power of the clean energy power generation device and the electricity utilization power of the production load, and controls the operation of the carbon dioxide energy storage device according to the power generation power and the electricity utilization power. The safe, efficient and stable energy supply system can be provided, the discharge amount of carbon dioxide and waste water can be reduced, and the utilization rate of clean energy is increased.

The present invention relates to an energy system (2) and a method for operating it. The energy system (2) comprises: an energy generation device (3) or an interface to an energy generation device (3), which is provided for generating electrical energy and which is configured in particular as a photovoltaic device (3a); a first subsystem (10), comprising an electrolysis device (13), which is provided for generating hydrogen, and a battery device (12), which is provided for the short-term storage and provision of electrical energy; a second subsystem (20), comprising a first storage device (21), in particular a high-pressure storage device, which is provided for storing the hydrogen generated by the electrolysis device (13).To ensure that as many components of the energy system (2) as possible contribute to its extended function and can be optimally controlled and integrated into the energy system (2) for efficient operation via an optimized control system, a compressor unit (30) designed as a hydride compressor unit (31) is provided, which is designed to compress the generated hydrogen before it is stored in the first storage unit (21). A control unit (60) is provided for controlling the energy system (2), which includes an intelligent, preferably predictive, energy management unit (61).

The application discloses a kind of mine robot hybrid power supply systems, it is characterized in that, including: hybrid energy storage module: as energy source, for storing and preliminary regulating energy, support continuous low-power output and high-power peak discharge;The application is directly realized the complementary effect of energy density and power density by the parallel configuration of hybrid energy storage module, power battery pack provides high-capacity continuous output, super capacitor group supplements instantaneous high power, so as to ensure long endurance in conventional driving, and provide ≥120A peak current in high-power working conditions such as climbing or obstacle crossing.This direct effect is further amplified as the threshold switching of intelligent energy management unit, avoids the output limitation and capacity sacrifice problem caused by the increase of existing single storage battery internal resistance, finally forms the advantage that 35 ° climbing pass rate is improved to 100%, completely solves the contradiction of existing endurance short and power shortage, improves rescue mobility and range.

This application relates to a photovoltaic-storage-charging system based on a dual DC bus and a switching control method. The switching control system of this dual DC bus-based photovoltaic-storage-charging system includes an energy management unit, photovoltaic and energy storage units, a first DC / DC charging pile, a second DC / DC charging pile, a first energy storage converter, and a second energy storage converter. The energy management unit sends control commands to the corresponding switching switches of the energy storage units and / or the photovoltaic units, respectively. These control commands are used to selectively connect the energy storage units and / or at least one photovoltaic unit to different DC buses. Therefore, establishing a dual-bus architecture and using the energy management unit to control independent switching switches to selectively connect the energy storage units and / or at least one photovoltaic unit to different DC buses improves system reliability.

The invention provides an intelligent generator control method and device based on a dynamic load and electronic equipment, and belongs to the field of power grid fluctuation suppression, the method is applied to an energy management unit in a gas power generation system, and the gas power generation system further comprises a gas generator set, an energy storage converter, a super capacitor and a CT mutual inductor. The method comprises the following steps: counting power change times and a power change value of a load within a preset time length based on electrical parameters of a power grid side load; selecting a working mode as a constant power factor mode, a constant reactive power mode or an automatic adjustment mode based on the power change frequency and the power change value; and based on the operation state parameters of the super capacitor, controlling the total output power of the gas generator set in the three adjusting modes. According to the invention, stable power supply of the load can be maintained through adjustment of the super capacitor and the energy storage converter, the adjustment frequency of the gas generator set is reduced, and the power generation efficiency of the gas generator set is improved.

The invention relates to a city end electric power supply cooperative control method and system based on an energy storage wall, and the method comprises the steps: carrying out the equipment inspection of a community energy management unit, recording the switching states of a high-voltage side and a low-voltage side, and generating a simplified topology and a target switching sequence occupation list; based on the simplified topology, generating a plurality of action templates, and establishing a plurality of state windows for each step of each action template; checking each state window, if the checking is passed, generating a candidate operation strategy, and executing role evolution game checking to obtain a convergence operation strategy; solidifying the convergence operation strategy into a target switching sequence, generating a reversible switching shadow sequence, and confirming a final target switching sequence after verification is passed; and executing operations on the high-voltage side and the low-voltage side of the cell based on the target switching sequence. Compared with the prior art, the problem that a traditional power supply vehicle is difficult to access in the last kilometer of an old community is solved, and efficient connection between the energy storage wall and the external power supply is achieved.

The invention discloses a spotlight antenna attitude monitoring system and method, and relates to the technical field of antennas. The system comprises a shell, a power supply module, an antenna module and an integrated monitoring module, and a downward inclination angle adjusting module is arranged in the shell and used for adjusting the downward inclination angle of an antenna on a mechanical level; the power supply module comprises a photovoltaic acquisition unit, an energy management unit electrically connected with the photovoltaic acquisition unit, and a standby lithium capacitor electrically connected with the energy management unit; the antenna module comprises an azimuth angle adjusting module; the integrated monitoring module comprises a posture detection unit, a main control unit and a low-power-consumption communication module integrated with a power detection function, and is used for coordinating data acquisition, processing and communication and executing downward inclination angle and azimuth angle adjustment control. According to the system, accurate monitoring of the downward inclination angle and the azimuth angle is achieved, and remote accurate regulation and control are achieved through a dynamic task scheduling mechanism based on photovoltaic self-power supply and energy autonomy.

Climate data-driven passive wall ventilation and solar energy home application system, characterized in that: It includes a climate data acquisition module, an intelligent control module, a passive ventilation module, and a solar energy utilization module; The climate data acquisition module contains a temperature and humidity sensor, a light intensity sensor, a wind speed sensor, and a precipitation sensor, which serve to capture environmental parameters outdoors in real time and transmit them to an intelligent control module; The intelligent control module incorporates a climate forecasting algorithm that can generate a forecast result for the environmental parameter for the next 48 hours based on historical data and real-time data; the passive ventilation module comprises a wall-mounted interior ventilation space, a ventilation roller shutter, and an exhaust roller shutter, as well as an electric control valve; the intelligent control module regulates the opening degree of the electric control valve based on the forecast result of the environmental parameter in order to change the amount of ventilation; the solar energy utilization module contains a photovoltaic panel, an energy storage battery, and an energy management unit; the energy management unit communicates with and is connected to the intelligent control module; based on a predicted light intensity, the tilt of the photovoltaic panel is regulated, and an energy storage strategy is optimized.

The application relates to the technical field of machine tool cutters, and discloses a high-speed tool changing system integrated with energy recovery, which comprises the following: a direct drive driving unit is electrically connected with a numerical control machine tool cutter tower through a direct drive motor; a kinetic energy recovery unit switches the working mode of the direct drive motor into a generator mode based on a fuzzy PID algorithm, and converts kinetic energy into electric energy during deceleration or braking through regenerative braking; an energy management unit defines the flow paths of energy input, storage and consumption ends based on an energy flow balance model; an intelligent control unit coordinates and integrates fault diagnosis on the speed regulation of the direct drive driving unit, the mode switching of the kinetic energy recovery unit and the energy distribution of the energy management unit based on a speed regulation algorithm of model predictive control; and an energy release unit judges whether energy release abnormity exists in the stored electric energy based on analysis results, so that the stability and reliability of the tool changing system are ensured.

The application relates to the technical field of sensors, and provides a flexible fluid sensing system based on inkjet printing and a preparation method thereof. The sensing system comprises a flexible substrate, an energy collection antenna, an energy management unit, a microfluidic sensor, a micropump and a signal modulation unit arranged on the flexible substrate. The energy collection antenna and the energy management unit are arranged, the system can autonomously collect radio frequency energy from the environment and convert the radio frequency energy into electric energy to supply power to the whole system, the collected dispersed energy can be stored, and instantaneous high-power output can be provided when needed, so that the system is free from the dependence on traditional batteries or external power sources.

The invention relates to the technical field of power generation systems, and particularly discloses a self-circulation power generation system based on hydraulic transmission and an intelligent energy distribution method thereof, the self-circulation power generation system comprises an energy input unit, a hydraulic driving unit, a power generation unit, a power utilization unit and an energy management unit, and the energy management unit comprises a system controller and a power adapter; the intelligent energy distribution method comprises the following steps: acquiring a voltage signal of a storage battery and a power signal of a load in real time; and comparing the real-time voltage of the storage battery with a preset voltage threshold value. The system has the beneficial effects that unnecessary loss in the electric energy-mechanical energy-electric energy conversion process is reduced according to the load priority principle; the direct-current motor and the generator work at a high-efficiency point as much as possible according to the principle of on-demand adjustment, and the total energy loss of the system is extremely low; the storage battery maintenance mode ensures that the storage battery is not damaged due to excessive discharge, energy can be supplemented in time, a stable energy cycle is formed, and the operation time of a power generation system is prolonged.

The invention discloses a photovoltaic power generation power edge prediction method, and the method comprises the steps: firstly collecting photovoltaic output power and multi-dimensional meteorological data, and constructing a training set and a test set after normalization; then, key features are extracted by adopting a random forest method based on the training set, and a prediction model is built and trained by utilizing a BiTCN-BiGRU hybrid neural network architecture; performing pruning optimization on the trained model, converting the model into an RKNN format, performing quantification processing and performance evaluation on the model, and performing further optimization according to an evaluation result to obtain a lightweight model; and finally, the lightweight model is deployed in an edge energy management unit, hardware acceleration is performed by means of a neural network processing unit, and millisecond-level online reasoning and real-time prediction of the photovoltaic power generation power are realized. Through fusion of feature selection and a bidirectional time sequence convolution-recurrent neural network, the limitation of a traditional method in processing high-dimensional features is effectively overcome, the prediction precision and generalization ability are improved, and efficient and low-delay power prediction is realized through edge side deployment.

This invention discloses a method for protecting the privacy of electric vehicle-assisted household electricity consumption, relating to the field of smart grid and vehicle-to-everything (V2X) integration technology. The method includes: acquiring household electricity load data, electricity price information, and electric vehicle battery status information to generate a target load sequence; constructing a constrained Markov decision process, using KL divergence as the cost function to measure privacy leakage, and employing a privacy threshold as a hard constraint; decomposing the privacy metric into single-step metrics through temporal decomposition and estimating them using a generative adversarial network (GAN); alternately updating the policy network and dual variables using the Lagrange multiplier method; and regulating the charging and discharging behavior of the electric vehicle through an energy management unit to optimize electricity costs while satisfying privacy constraints. This method achieves quantifiable and controllable privacy protection, reduces system deployment costs, and improves algorithm robustness.

A device for supplying electrical energy via a vehicle's power supply network (10) is described. The device includes several electronic fuses (22a, 22b, 24a, 24b, 26a, 26b, 26c). All electronic fuses (22a, 22b, 24a, 24b, 26a, 26b, 26c), or parts thereof, are connected for rapid communication via one or more event signaling lines (38, 42, 44) to enable a faster, predefined response than a higher-level energy management unit (32) of the power supply network (10) in the event of faults in the power supply network (10) or in the consumers (14, 16, 18, 20).

The invention discloses a geothermal energy utilization system and method, electronic equipment and a storage medium, and relates to the technical field of geothermal energy utilization, the system at least comprises a geothermal energy collection unit, a heat pump unit, a unit unit and an energy management unit, and the energy management unit is connected with the geothermal energy collection unit and the heat pump unit; the terrestrial heat collecting unit is used for obtaining terrestrial heat energy and transmitting the terrestrial heat energy to the heat pump unit; the heat pump unit is used for acting the received geothermal energy on a circulating working medium in the heat pump unit and providing heat energy for the unit unit through the circulating working medium; the unit unit is used for transferring the heat energy to the surrounding environment where the unit unit is located; and the energy management unit is used for monitoring the operation process of the geothermal energy collection unit and the heat pump unit to obtain a monitoring result and generating working parameters for controlling the geothermal energy collection unit and the heat pump unit to work according to the monitoring result, and the effect of improving the energy utilization efficiency of the geothermal energy utilization technology is achieved.

The utility model discloses a light storage charging and discharging integrated sodium ion industrial and commercial energy storage system, which comprises a photovoltaic power generation unit, an inversion unit, an energy storage unit and an energy management unit, the energy storage unit is a sodium ion battery, the inversion unit is an energy storage converter, the energy management unit is an EMS energy management system, and the energy management unit is an energy storage converter. The photovoltaic panel is connected with a DCDC power supply module, the DCDC power supply module is connected with an energy storage converter, the DCDC power supply module is further connected with a sodium ion battery, the energy storage converter is further connected with a power grid, an STS change-over switch is further arranged between the energy storage converter and the power grid, and the STS change-over switch is utilized to enable a load to be uninterruptible in the grid-connected and off-grid switching process. According to the utility model, the sodium ion battery with higher safety is adopted as an energy storage medium, so that the risk of thermal runaway of the lithium ion battery is avoided.

The invention provides a vehicle-mounted intelligent baking system and a control method thereof, and relates to the technical field of vehicle-mounted electrical appliances, the system realizes high intelligence and efficient energy utilization in the baking process, firstly, a user instruction can be received through a man-machine interaction layer, baking state information can be fed back in real time, and the operation convenience and transparency are improved; secondly, a user instruction, a vehicle running state and a power battery state are comprehensively considered through an intelligent control layer, an optimal energy supply strategy and baking parameters are dynamically formulated, waste heat of a vehicle power system is fully utilized for cooperative heating in the preheating stage, and the temperature and duration are adjusted in real time according to a food state sensing result in the baking stage; in the cooling stage, a cabin air conditioner cold air introduction mode or a natural ventilation mode is flexibly selected according to actual requirements; and the baking execution layer accurately executes various control instructions by means of an energy management unit, a heat management cooperation unit and baking equipment, and ensures that the whole baking process is safe, energy-saving and efficient.

A system for predictive monitoring of patient deterioration by temporal modeling of electronic health records, the system comprising: a housing defining an enclosed volume; a plurality of input interface units arranged on the housing and configured to receive electronic health data including physiological signals, laboratory measurements, and clinical observations from external medical devices; an analog-to-digital converter unit electrically connected to the input interface units and configured to convert received signals into digital data streams; a signal conditioning unit operationally connected to the analog-to-digital converter unit and comprising filtering, normalization, and scaling circuits configured to standardize heterogeneous data into a uniform data representation;a temporal buffer unit consisting of a plurality of storage registers arranged in a sequential configuration, wherein the temporal buffer unit is configured to store time-indexed data samples over a predefined observation interval to generate a temporally ordered data structure; a synchronization unit configured to generate clock signals and align incoming data streams into synchronized timeframes before storage in the temporal buffer unit; a matrix transformation processor electrically coupled to the temporal buffer unit, wherein the matrix transformation processor comprises parallel arithmetic circuits, including multipliers, adders, and accumulators, arranged to perform weighted transformations on the temporally ordered data structure to generate temporal feature representations;a storage unit with non-volatile memory elements configured to store weighting parameters corresponding to the temporal characteristics of physiological data; a sequence evaluation unit operationally connected to the matrix transformation processor, comprising comparator circuits, gradient calculation circuits, and threshold evaluation registers configured to determine temporal deviations, rate-of-change characteristics, and cumulative variations indicative of a deterioration in the patient's condition; a decision output unit configured to generate a deterioration prediction signal based on the outputs of the sequence evaluation unit, the decision output unit further comprising a display unit, an audible alarm unit, and a communication unit for transmitting alarm signals;and an energy management unit configured to supply regulated electrical power to all units within the enclosure, wherein the system is configured to continuously process temporally ordered electronic health data to generate predictive indicators of deterioration in patient condition in real time.

The invention discloses a piezoelectric-electromagnetic-friction combined type self-powered bracelet, which belongs to the field of self-powered bracelets, and comprises a bracelet body, an energy collection unit is arranged in the bracelet body, and the energy collection unit comprises a support unit, a piezoelectric conversion module, an electromagnetic power generation module and a friction power generation module. Two fixing frames are fixedly installed in the bracelet body, an energy management unit is arranged on the lower sides of the fixing frames, a control unit is arranged on the upper sides of the fixing frames, a display screen is installed on the top of the bracelet body, and a fixing unit is arranged on the lower side of the bracelet body. The energy collection unit arranged in the self-powered bracelet can convert mechanical energy generated by human body movement into electric energy, and the energy management unit performs full-wave rectification and voltage reduction processing on the output electric energy and supplies power to the control unit and the display screen, so that the energy self-supply effect of the bracelet is achieved.

According to the on-line battery-changing type mobile energy storage system and the battery-changing method thereof, in the system, a self-sustaining battery is connected to a direct current bus through a direct current-direct current converter, each group of battery-changing batteries are connected to the direct current bus through a change-over switch, and a power grid or a load is connected to the direct current bus through an isolation transformer and an alternating current-direct current converter with a solid-state switch; when the mobile energy storage system is off-grid, the AC-DC converter with the solid-state switch switched on and switched off controls the AC voltage output by the system according to the AC load power, if the energy management unit sends out a switching battery quit or input instruction, the DC-DC converter controls the DC bus voltage to switch on or off the corresponding change-over switch; when the mobile energy storage system is connected to the grid, the AC-DC converter with the closed solid-state switch controls the DC bus voltage according to the AC network voltage, and if the energy management unit sends out a switching battery quit or input instruction, the DC-DC converter controls the DC bus current to switch on or off the corresponding change-over switch, so that rapid energy supplement and seamless system switching are realized, and the energy utilization rate is improved. And the continuous power supply capability of the mobile energy storage system is improved.

The present application belongs to the technical field of artificial artificial foot plate manufacturing and electronic technology, and relates to a bionic artificial foot plate design with self-powered motion monitoring, comprising an elastic foot plate, a sole reinforcing rib plate, a transducer, an energy management unit, an MCU microprocessor, and a receiving cavity connector. The elastic foot plate of the present application can reduce the impact force during the process of foot bottom touching by using elastic deformation, and at the same time, the energy recovery is released to push the human body forward in the late standing stage. The sole reinforcing rib plate is used to improve the stiffness of the elastic foot plate in the vertical direction, while the elastic foot plate deforms in the horizontal direction. The transducer converts the mechanical deformation part of the foot plate into electrical energy, and by analyzing and processing the output circuit and voltage of the transducer, the motion mode and motion state of the artificial foot plate can be detected. In addition, the recovered electrical energy can power electronic devices such as wireless communication modules, GPS, pedometers, etc., so as to obtain the motion trajectory of the artificial limb and other information, which can be wirelessly transmitted to smart devices such as mobile phones for display and analysis.