13 results about "Ship load" patented technology

This invention provides a berthing adaptation calculation method and system based on a CAD / CAE composite model, belonging to the field of ship berthing auxiliary decision-making technology. It includes: constructing a loading stability calculation model and a three-dimensional profile model database based on the ship loading manual and an initial model containing geometric information; integrating hull geometry, stability, and hydrodynamic performance data into a unified composite model, and defining data dependencies and update triggering rules; solving heave and surge response characteristics based on a wave model, and calculating limit values ​​in conjunction with wave parameters; calculating the safe range of the air gap height at the platform outlet based on the gangway overlap geometry, combined with limit values, tides, and load changes, and dynamically quantifying the risk; and using real-world data to drive online calibration of the composite model and dynamic simulation of the berthing overlap process. This invention achieves accurate dynamic calculation and risk assessment of the air gap under multi-source data fusion, adapting to the berthing needs of multiple ships, and improving berthing safety and operational continuity.

The application discloses a marine photovoltaic construction ship, comprising a ship body, a marine crane arranged on the ship body, a pile sinking positioning frame positioning tool arranged on the ship body and having a tool positioning groove for positioning each anti-sinking plate of the pile sinking positioning frame, a foundation pile positioning tool arranged on the ship body and having a foundation pile positioning groove for positioning the foundation pile, and a photovoltaic unit positioning tool arranged on the ship body and having a support leg positioning cylinder for positioning the support leg of the photovoltaic unit. The application can hoist the foundation pile, the pile sinking positioning frame and the photovoltaic unit by itself at a wharf without setting a ship loading crane. After arriving at a marine construction site, the marine photovoltaic construction ship can replace a floating crane to perform the pile sinking operation of the foundation pile. The marine photovoltaic construction ship provided by the application has the functions of a ship loading crane, a transport ship and a construction ship, reduces the number of construction ships and lowers the construction cost.

This utility model provides a self-unloading vehicle-ship direct loading mechanism and ship loader, relating to the field of port ship loading auxiliary machinery technology. It includes an inclined unloading channel, a receiving hopper fixedly mounted near the higher side of the unloading channel, a conveying mechanism fixedly mounted at the bottom of the receiving hopper, and a fixed frame fixedly mounted at the bottom of the unloading channel. The unloading channel is rotatably mounted on the fixed frame near the receiving hopper. A first drive source capable of driving the unloading channel to extend and retract vertically is fixedly mounted on the fixed frame, and a second drive source capable of driving the unloading channel to rotate is rotatably mounted on the fixed frame. By providing an inclined unloading channel with actively adjustable overall height and allowing the channel to flexibly rotate and adjust its angle, it creates unrestricted unloading space and optimal tilting angle for various transport vehicles, effectively eliminating the risk of collision and interference between the vehicle hopper and the fixed receiving hopper of the ship loader, ensuring that materials can be smoothly and thoroughly dumped from the vehicle compartment, and avoiding unloading residue problems.

The present application relates to the technical field of data processing, and more particularly to a ship intelligent power distribution system dynamic optimization method based on ship load dynamic sensing; a sliding analysis window is obtained according to the spectrum data of the load influence data sequence; state characteristic values and state characteristic reference values are obtained according to the data change characteristics in the sliding analysis window; a deviation degree is obtained according to the state characteristic values and the state characteristic reference values; clustering is performed according to the deviation degree, and deviation boundary values and normal distribution proportions are obtained according to the deviation degree in the window cluster; a new normal distribution proportion is obtained according to the state characteristic values of a new sliding analysis window in the future; and a difference coefficient is obtained according to the new normal distribution proportion and the normal distribution proportion. The present application adjusts the initial learning rate step in the LSTM prediction model according to the difference coefficient, obtains an adaptive LSTM prediction model, and predicts the ship load state, so as to optimize power distribution according to the ship load state, and improve the load prediction accuracy and the power distribution optimization accuracy.

The present application relates to the technical field of ship electricity, and discloses a ship load test electric energy recovery device and a working method thereof, which comprises a 10KV micro-grid part, a system input side, a current conversion unit part and a system output side. The 10KV micro-grid is connected through the system input side and the current conversion unit part. The current conversion unit part comprises a main machine structure and a standby machine structure, which are connected in parallel and controlled by a PLC control system. The current conversion unit part is connected with the system output side. The method comprises a forward shore power supply mode and a reverse energy feedback mode. A fully controllable power electronic topology replaces an uncontrollable rectification structure, realizes bidirectional energy flow, and solves the pain point that a traditional shore power supply cannot feed reverse power back to a power grid. The feedback electric energy is preferentially supplied to enterprise production loads, and the surplus part is stored in an energy storage device through a micro-grid interface. When the energy storage device is discharged, it can smooth the peak-valley difference of the power grid, and the safety threat of reverse power to shore power equipment is eliminated from the root.

The application relates to the technical field of container loading, in particular to a container loading method, system, equipment and medium for dynamic balance of a ship's center of gravity, which comprises the following steps: collecting ship loading information and distributing reverse operation units; calculating the predicted center of gravity offset of different berth loading sequences through the ship loading information, screening out a loading sequence meeting the threshold requirement in the whole process to generate a priority queue; analyzing the priority queue into a device operation instruction set and executing the device operation instruction set to control the reverse operation units to implement column-by-column synchronous loading from the sea side to the land side and from the land side to the sea side in the berth; calculating the actual center of gravity offset of the ship in real time, and inserting a compensation berth to reconstruct the priority queue when the actual center of gravity offset exceeds a preset actual threshold; and dynamically optimizing the operation path in combination with a time-space conflict prediction algorithm. The application can improve the loading efficiency and stability control precision, realize uninterrupted dynamic correction, and ensure the safety of equipment cooperation in a high-density operation environment.

The present disclosure provides an energy supply system for a ship, an energy management method, and an electronic device. The energy supply system comprises: an energy output end configured to be externally connected to a ship load; at least two stages of energy subsystems configured to provide energy for the ship load by means of the energy output end, wherein at least one of the at least two stages of energy subsystems convert waste heat generated during the operation of a ship device into energy; and a processor, monitoring the energy requirements of the ship load, selecting, from among the at least two stages of energy subsystems, a target energy subsystem matching the energy requirements, and controlling the target energy subsystem to provide energy for the ship load. According to the present disclosure, the energy requirements of a ship load can be monitored in real time, and an energy subsystem matching the energy requirements is controlled to provide energy for the ship load, thereby satisfying the energy requirements of the ship load. In addition, the energy subsystem can convert waste heat generated by a ship device into energy, thereby fully utilizing the waste heat, and thus improving the overall thermal efficiency of the ship.

The application discloses a coal transportation planning method and system for large power generation groups, and the method comprises the following steps: constructing a procurement-transportation coordination optimization model in the previous month of coal procurement based on historical procurement-transportation data, establishing a large-scale ship unified scheduling model based on the relationship between the number of ship uses and the ship load utilization rate, and constructing a procurement-transportation-inventory management two-layer optimization model based on the upper procurement-transportation coordination optimization model and the lower large-scale ship unified scheduling model; a linear programming algorithm is used to solve the upper procurement-transportation coordination optimization model, and the total procurement quantity plan and the total transportation quantity plan in the dispatching period are output; the current power plant wharf system state quantity is acquired, and based on the total procurement quantity plan, the total transportation quantity plan and the power plant wharf system state quantity, a greedy algorithm is used to solve the lower large-scale ship unified scheduling model, and the ship optimized scheduling plan is output. The application can guarantee safety production and reduce the unloading port frequency.

The application discloses a power station dam flood discharge scheduling and ship lock navigation water level collaborative optimization method and system, and the method comprises the following steps: obtaining flood discharge information and navigation information during ship lock navigation, wherein the flood discharge information comprises a flood discharge flow, a reservoir water level, a minimum safety water level of the reservoir, precipitation, an upstream water flow, a maximum flood discharge flow and a maximum safety water level of the reservoir, and the navigation information comprises a ship load and a ship lock water level; a flood discharge and navigation water level joint optimization function is set, and the flood discharge information and the navigation information are combined to minimize the flood discharge and navigation water level joint optimization function, so that the flood discharge and navigation water level reach optimization, thereby completing water level collaborative optimization; a constraint condition for constraining the flood discharge and navigation water level joint optimization function is set, and water level collaborative optimization is performed under the constraint condition.

The utility model relates to the technical field of integrated pad pier, concretely is a multipurpose integrated pad pier assembly. Integrated pad pier assembly is used in coordination with self -propelled module transport vehicle, including ordinary pad pier, is located on the integrated pad pier of ordinary pad pier, the lower side of integrated pad pier both sides is equipped with transport frock, the transport frock is equipped on self -propelled module transport vehicle, module supporting leg is inserted on the integrated pad pier, the bottom of module supporting leg is equipped with module insertion tip, module insertion tip and integrated pad pier have no contact. The application provides stable support for the engineering main body as the special construction pad pier in the module and structure construction stage, can place the weighing equipment in the low position through the device structure design to complete load measurement in the weighing link, can more cooperate SPMT equipment to realize the flexible transfer of module structure and ship loading in the shipment transportation stage, need not additionally add the weighing point or transportation interface in the module design stage, effectively releases the site resource occupation pressure, significantly shortens the project construction period.

The application discloses an unmanned ship cooperative planning method based on layered planning and reinforcement learning, and comprises the following steps: formulating a multi-unmanned ship cooperative planning problem, and decoupling the cooperative planning problem into high-level global task planning and low-level local path planning; modeling the high-level global task planning problem as a multi-traveling salesman problem, and solving to obtain a near-optimal task execution sequence of each unmanned ship; modeling the low-level local path planning problem as a reinforcement learning problem, and designing a state space, an action space and a reward function to guide the unmanned ship to learn an optimal path; offline training the reinforcement learning path planning model to enable the model to master the ability of generating an optimal path under a complex obstacle environment layout; and online executing path generation and navigation, wherein the unmanned ship loads a pre-trained reinforcement learning model to generate and execute an optimal path to a task point in real time. The application decouples the multi-agent cooperative planning problem into high-level global task planning and low-level local path planning, and combines global combinatorial optimization with local learning optimization, thereby providing a brand-new technical paradigm for efficient and stable operation of a multi-unmanned ship system in a complex environment.