16results about How to "Clear control logic" patented technology

The invention relates to the technical field of central heating and industrial heat energy utilization, in particular to a mixed water heat exchanger control system and a control method thereof.The mixed water heat exchanger control system comprises a jet type mixed water heat exchanger, a first high-temperature water jet channel, a second low-temperature water jet channel and a mixing cavity are formed in the jet type mixed water heat exchanger; the primary net adjusting unit comprises an electric adjusting valve and a pressure sensor which are arranged at a primary high-temperature water inlet; the secondary network circulating unit comprises a circulating pump, a flow sensor and a return water temperature sensor; the temperature detection unit at least comprises a mixed outlet water temperature sensor; the controller is in signal connection with the electric adjusting valve, the circulating pump and the sensors; synchronous efficient utilization of primary network heat energy and pressure energy is achieved, the heat exchange efficiency can be close to 100%, secondary low-temperature water can be effectively driven by the pressure energy of primary high-temperature water to participate in mixing through the injection pressurization characteristic of the injection type water mixing heat exchanger, and the operation power of a secondary network circulating pump is reduced.

This invention relates to the field of thermal automatic control technology, specifically to an interface logic and operation method for artificial intelligence control to intervene in a traditional analog PID control system by modifying setpoints. Addressing the lack of intelligent control interfaces in existing PID control systems, the setpoint function block is improved by adding IC, OTI, OTA, TI, TA, and A / I terminals to realize manual, automatic, and intelligent control modes and their switching logic. In manual mode, the automatic and intelligent control setpoints track feedback values; in automatic mode, the operator's setpoint is valid, and the intelligent control setpoint tracks the automatic setpoint; in intelligent control mode, the artificial intelligence control generates control by adjusting the PID control system setpoint, and the automatic setpoint tracks the intelligent control setpoint. The control mode priority is manual over automatic over intelligent control, with tracking-free switching and state self-holding functions. This invention has strong compatibility, providing support for artificial intelligence control to simulate operator operation and achieve self-cruising adaptive control.

This invention discloses a power regulation method and system for an intelligent traction power supply system; including: calculating real-time transfer power, and calculating compensation current in real time by combining power transfer error and negative sequence current; calculating current tracking value based on current inner loop command value and voltage synchronization signal; designing a feedforward-feedback composite controller to calculate feedforward compensation amount and feedback control amount respectively; calculating the total duty cycle of PWM modulation signal based on feedback control amount and feedforward compensation amount, and driving the railway power regulator to output the actual current value; the control method and system provided by this invention have low engineering implementation cost, are suitable for traction substation RPC application scenarios, and are easy to promote.

The application relates to a guide rail type climbing mechanism for an intelligent warehousing robot and a control method, and belongs to the field of intelligent warehousing robots. The climbing mechanism comprises a tensioning assembly, a position-to-position detection assembly, a driving assembly, a guide rail and a control unit, and can enable the intelligent warehousing robot to realize stable, efficient and safe climbing and descending. The tensioning assembly realizes gear set meshing tensioning through the cooperation of a driving gear and a driven gear, and realizes multidirectional guidance and limit control in cooperation with a limit hole; the position-to-position detection assembly realizes real-time detection of a climbing posture in cooperation with a positioning wheel; the driving assembly comprises a motor and an electric cylinder double driving structure, thereby improving transmission stability and anti-interference capability; the anti-falling spring sheet is automatically opened under the conditions of power failure or impact, forms an anti-skid locking structure in meshing with the guide rail, and effectively prevents sliding accidents; the control unit can realize multi-source signal fusion control, and improves the intelligence and safety level of the system. The mechanism has the advantages of compact structure, safety and reliability, stable meshing and strong anti-interference capability.

The application discloses a three-level full-bridge dual active bridge converter and a midpoint potential balance control method. The converter comprises a high-frequency transformer, a DC input voltage source is arranged on the primary side of the high-frequency transformer, and series-connected upper and lower capacitors are connected between the positive and negative electrodes of the DC input voltage source. Three-level half-bridge A and three-level half-bridge B are connected in parallel, a node between the upper and lower capacitors is connected to the midpoint of two clamping diodes of the two three-level half-bridges, the center point of the three-level half-bridge A is connected to one end of the primary side of the high-frequency transformer through a power transmission inductor, and the center point of the three-level half-bridge A is connected to the other end of the primary side of the high-frequency transformer through a DC isolation capacitor. In the control method, the primary side power device is divided into a fixed 50% duty ratio basic bridge arm and a non-symmetrical duty ratio adjusting bridge arm, a PI voltage balance loop is constructed by taking the voltage difference of the two capacitors as feedback, the duty ratio of the adjusting bridge arm is dynamically adjusted, the average value of the midpoint current is changed, and the midpoint potential balance is realized.

The present application relates to a kind of permanent magnet electromagnetic hybrid's traction suspension guide three-in-one's magnetic suspension system, including track beam, vehicle-mounted permanent magnet array, track electromagnet coil, vehicle-mounted permanent magnet array is fixed to the bottom of vehicle suspension frame;Track electromagnet coil is correspondingly arranged on the upper surface of track beam, and is oppositely arranged with vehicle-mounted permanent magnet array.The system relies on the repulsion between the constant magnetic field generated by vehicle-mounted permanent magnet array and the controlled electromagnetic field generated by track electromagnet coil after energization, while realizing the non-contact suspension, guidance and traction of vehicle.The present application solves the problems of existing magnetic levitation system, such as complex structure, difficult control, high energy consumption and poor compatibility with existing infrastructure.

The invention discloses a carbon dioxide low circulation rate system based on low superheat degree regulation and control, which relates to the technical field of refrigeration and comprises a loop, a plurality of tail end heat exchange branches and a controller, the execution controllability evaluation module is used for calculating the branch outlet superheat degree based on the pressure and temperature measurement values and judging whether the branch outlet superheat degree is in a preset outlet superheat degree target window or not; the branch type judgment module reduces the valve opening degree step by step under the safety constraint to obtain a reducible valve allowance, and accordingly, branches are divided into an over-supply redundancy type, an under-supply sensitive type and an execution limited type to form a redundancy supply set and a protection set; a target pump frequency solving module summarizes the reducible valve margin of the redundant supply set, calculates the pump frequency pressing amplitude and the target pump frequency in combination with the bottleneck margin determined by the protection set, and generates valve bias for redundant branches; according to the invention, on the premise of ensuring stable operation of each tail end, the reduction of the system circulation ratio and the optimization of the pump power consumption are realized.

This utility model discloses a main clutch switch structure for harvesting machinery, including two contact groups. Each contact group includes a movable contact and a fixed contact. The fixed contacts are all fixed on the same insulating component. One set of fixed contacts is connected in series in the engine starting circuit to conduct when the clutch is disengaged, allowing starting. The other set of fixed contacts is connected to the input terminal of the vehicle display screen to output an alarm signal when the clutch is engaged. The two sets of movable contacts are mounted on the same movable plate, with the movable contacts and fixed contacts arranged opposite to each other. The movable plate moves through a movable mechanism.

The invention belongs to the technical field of robots, and particularly relates to a flexible energy storage spring type robot bionic jumping foot type mechanism and a control method thereof. The mechanism comprises a motor, a main body part composed of a transmission module, a disengaging module and a rope coil spring transmission module, an upper movable rod and a lower movable rod which are connected with the main body part, and a foot jumping assembly rotationally connected with one end of the lower movable rod. The transmission module amplifies the output torque of the motor, mechanical energy is stored through the rope coil spring transmission module, by arranging the disengaging module, the transmission module and the rope coil spring transmission module are selectively connected or disengaged in different working states, the movable rod rotates to drive the foot jumping assembly, and jumping of the robot is achieved. The robot is compact in structure, high in energy utilization rate, good in jumping stability and suitable for small jumping robots and complex terrain moving robots.

The solid sealing device stamping mechanism comprises a stamping head, a plurality of cutting mechanisms, a control ring and a control member. The stamping head is controlled by a first hydraulic mechanism to lift. The top center of the stamping head is connected with the bottom end of the movable rod of the first hydraulic mechanism. A plurality of movable grooves are arranged on the side wall of the stamping head. A control groove is arranged around the movable rod on the top of the stamping head. The movable grooves are respectively communicated with the control groove through sliding holes. The cutting mechanism comprises a cutting tool, a sliding rod and a connecting rod. A plurality of cutting tools are respectively arranged in the movable grooves. The sliding rod is arranged in the sliding hole in a sliding mode. One end of the sliding rod is connected with the control ring, and the other end is hinged to the connecting rod. The other end of the connecting rod is hinged to one side of the cutting tool. The control ring is arranged in the control groove in a sliding mode. The control member is arranged beside the stamping head in a lifting mode to control the sliding of the control ring in the control groove. The problems of low efficiency and positioning accuracy caused by process transfer are solved.

The application discloses a kind of control strategy determination method, device and electronic equipment of power distribution system.Therein, the method comprises: receiving and responding to the splitting event signal of power distribution system, obtaining the full amount operating state information corresponding to power distribution system;According to full amount operating state information, the on-off state of controllable line is combined, and power distribution system is divided into multiple initial island sets;According to local operating state information, a multi-agent dynamic frequency response model is constructed;Solving multi-agent dynamic frequency response model, according to the initial total loss value and initial control strategy corresponding to the multiple initial island sets respectively, the updated island set is obtained by updating, and the loss value and control strategy operation are determined iteratively until the target condition, to obtain the target control strategy corresponding to the target island set.The application solves the technical problem that the strategy loss is high when determining the control strategy corresponding to multiple island systems in the related art under the splitting condition.

This invention discloses a heavy-duty anti-sway dual-winch synchronous lifting tower crane device and its control method, belonging to the technical field of construction equipment. Addressing the problems of existing tower cranes with single-winch single-lifting structures, such as easy swaying during long load lifting, poor adaptability to non-irregularly shaped loads, low synchronous control accuracy, and insufficient operational stability, this invention's device includes a lifting frame, tower crane boom, a first lifting module, a second lifting module, wire rope, a first winch module, a second winch module, hooks, a fixed platform, and a rotating platform. It is equipped with a dedicated synchronous anti-sway control method, which uses the dual winch modules to coordinate and synchronously wind up and down the rope, achieving traction and sway suppression at both ends of long loads. The winch speed can also be independently adjusted, and the height of the two hooks can be differentiated to adapt to the lifting of non-irregularly shaped loads. This invention combines optimized equipment structure with intelligent synchronous anti-sway control. Components are neatly numbered, and the platform layers do not interfere with each other. It offers stable operation and strong lifting adaptability, suitable for various high-altitude heavy-duty lifting operations in construction, significantly improving lifting stability, operational efficiency, and construction safety.

The utility model provides a kind of LORA safety monitoring device based on remote control wake-up, belong to environmental monitoring equipment technical field, comprising: main control module;With the sensor group module of main control module connection;With the LORA communication module of main control module connection, the LORA communication module connection monitoring terminal;Power module, with the main control module The LORA communication module and the sensor group module are connected;Remote control receiving module, with the power module and remote control are connected.The utility model can be in complex dangerous area, using long-distance control, avoid potential personnel casualty accident, can guarantee the stability of data acquisition simultaneously;Using LoRa communication technology, reduce the high energy consumption of existing safety device, communication is unstable and so on, greatly improve the usability and flexible deployment of system.

The deep sea floating foundation for offshore wind power comprises a foundation base and a tower arranged on the foundation base, a rotatable wave breaking mechanism is arranged at the upper end of the foundation base, and a driving mechanism used for driving the wave breaking mechanism to adjust the wave breaking angle is arranged in the foundation base by forming a cavity. A detection mechanism is annularly arranged on the outer wall of the foundation base and used for judging the direction of sea waves, a waterproof part is arranged at the position, located on the outer side of the tower, of the upper end of the foundation base, the waterproof part is movably connected with the wave breaking mechanism to prevent the sea waves from soaking the driving mechanism, and a controller is arranged in the waterproof part. By arranging the wave breaking mechanism, fatigue caused by continuous impact on each structural node of the foundation is relieved, the running stability of a fan and the service life of the whole machine are guaranteed, meanwhile, when the direction of the wave breaking plate is adjusted, the wave breaking plate can be actively taken back firstly, and the resistance of sea wind and sea waves during rotation is reduced.

This invention discloses a cab suspension fatigue durability test bench and its testing method, belonging to the field of cab suspension testing technology. It includes an experimental controller, an experimental support platform, a lower suspension platform, a degree-of-freedom generator, an upper suspension platform, and a force distribution simulation unit. The lower suspension platform is located inside the experimental support platform, and multiple first hydraulic cylinders are fixed at intervals around the periphery of the lower suspension platform. The degree-of-freedom generator includes a lower flange fixed to the center of the top surface of the lower suspension platform. Multiple guide pillars are fixed on the lower flange, and a sliding disc is slidably mounted on each guide pillar. A limit nut is screwed onto the sliding disc, and a ball joint seat is fixed in the center of the sliding disc. This cab suspension fatigue durability test bench and its testing method can accurately simulate the load redistribution during vehicle roll and pitch, more closely reflecting the actual driving forces of a vehicle. The test conditions are comprehensive and highly realistic, and the test results have greater engineering reference value.

The application discloses a fixed-wing unmanned aerial vehicle air-based launching and recovering system based on a multi-rotor unmanned aerial vehicle platform and a control method thereof, which comprises a fixed-wing machine, a hook support, a three-section connecting rod hoisted by two rotors and a cooperative control architecture; the control architecture comprises a top task management decision layer, a middle cooperative planning guide layer and a bottom platform level tracking control layer; a whole task stage of "hoisting take-off-releasing from the machine-fixed-wing flight attitude conversion-recovering array arrangement-high-speed approach docking-joint braking-stable suspension" is defined and managed through a finite state machine, and cooperative trajectory planning and accurate tracking are realized in each stage; in the high-speed approach docking stage, differential positioning and a recovering mechanism with docking allowance are utilized to realize reliable locking between the fixed-wing machine and the rotors. The application realizes autonomous cooperative launching and recovering of the fixed-wing unmanned aerial vehicle based on the air-based platform, and significantly improves the safety, accuracy and robustness of the air-based launching and recovering task.