1477 results about "Elevator system" patented technology

The present invention provides an elevator emergency rescue decision-making method and system based on reinforcement learning, which relates to the technical field of elevator emergency rescue, including real-time collection of elevator multimodal data through a distributed sensor network to generate an elevator state representation vector; inputting the obtained elevator state representation vector into a pre-trained graph convolutional neural network model, and simultaneously starting an edge computing unit for real-time simulation, simulating system responses under different rescue strategies, evaluating the feasibility of each rescue strategy, weightedly fusing the multi-dimensional risk score and the rescue strategy feasibility evaluation results, and generating a risk assessment report; sending a rescue instruction set to an elevator emergency rescue executive agency through a secure encrypted channel, and continuously monitoring the real-time feedback information of the elevator emergency rescue executive agency, and triggering a decision re-evaluation mechanism when an abnormal situation occurs, until a passenger safe evacuation signal is received and the elevator system restores a safe state signal, and the rescue mission is completed.

The invention provides a building energy-saving control system based on centralized control of the Internet of Things, and relates to the technical field of data processing, and the system comprises a data collection module which is used for collecting personnel activity data, environment parameter data and equipment state data in a building in real time; the data preprocessing module is used for carrying out cleaning, denoising and time sequence alignment processing; the area use mode recognition module is used for analyzing the use conditions of equipment in different areas in the building according to a multi-layer classification rule; the energy-saving control strategy generation module is used for analyzing equipment in the building and generating a region-level energy-saving control instruction set; the execution control module is used for controlling an air conditioning system, a lighting system and an elevator system in the building in real time; the feedback regulation module is used for monitoring real-time feedback data of the equipment operation parameter set and feeding back to the energy-saving control strategy generation module in combination with environmental parameter data change; according to the invention, autonomy and accuracy of building energy-saving control are improved.

The invention relates to the field of air conditioning unit control, in particular to an industrial park elevator system optimization control system and a method thereof.The hardware part comprises a sensor unit, an executing mechanism, a field control unit, communication equipment and a server unit; the software part comprises a real-time operating system, a sensor data acquisition and fusion preprocessing module, a digital twinborn simulation platform, a model prediction control module and a cloud deep reinforcement learning module; the method comprises the steps of S1, data acquisition and primary processing, S2, data transmission and caching, S3, digital twin modeling and system simulation, S4, optimization control strategy generation and issuing, S5, online scheduling and deep reinforcement learning optimization, S6, safety monitoring and exception handling, and S7, closed-loop feedback and continuous optimization. Efficient integration of elevator modules is achieved through digital twinning and model prediction control cooperation; intelligent data processing is realized through deep reinforcement learning and adaptive data fusion; and safe and energy-saving operation is realized through fault tolerance and safety monitoring.

The invention relates to an elevator position estimation method and device based on an electric signal, equipment and a storage medium. The method comprises the steps that electric signal collection is conducted on an elevator traction machine, and voltage and current in a target time period are obtained; the voltage frequency and the current frequency of the elevator traction machine are calculated based on the voltage, the current, the target time period and the electric signal zero-crossing number; the angular velocity of the elevator traction machine is calculated according to the voltage frequency and the number of pole pairs of the motor, and the angular velocity of the elevator traction machine is calculated according to the current frequency and the number of pole pairs of the motor; the angular velocity obtained based on the voltage frequency or the current frequency is input into an elevator system mathematical model for displacement calculation, and displacement information of the elevator car is obtained; and the position information of the elevator car is determined based on the displacement information and accumulated displacement information of the elevator car in the ascending or descending stage. By adopting the method, the estimation accuracy of the elevator position can be effectively ensured.

The invention relates to the technical field of intelligent elevator control, in particular to an intelligent elevator control method and system based on the Internet of Things, and the method comprises the following steps: S1, monitoring human body three-dimensional coordinate data of an elevator waiting area of each floor in real time, and collecting multi-modal sensing data in an elevator car; s2, generating a dynamic people flow distribution thermodynamic diagram of each floor, and constructing a time-space weight matrix; s3, generating an elevator dynamic scheduling strategy; s4, the abnormal state type of the lift car is judged by combining the gas component spectrum and the vibration spectrum; s5, a grading alarm instruction is sent to the central controller through the LoRaWAN protocol; and S6, automatically correcting the opening and closing speed curve of the portal crane. According to the method, efficient operation and safety guarantee of the elevator system in a complex people flow environment are achieved by fusing multi-source sensing, dynamic scheduling and an abnormal response mechanism.

The invention discloses an elevator digital twinning virtual and physical sensor data calibration method. The method comprises the steps that real-time data of multiple types of physical sensors in an elevator system and real-time data of virtual sensors in an elevator digital twinning model in a reference environment at the same moment are obtained; preprocessing the data, and comparing the acquired data of the physical sensor and the virtual sensor of the same category according to a distance function to obtain an error between the physical sensor and the virtual sensor at the moment t; comparing whether the error exceeds a set error threshold value or not; and if the error exceeds the threshold value, correcting the physical sensor data through linear regression calibration and an offset correction function, and updating the virtual sensor data at the next moment in the digital twin. The actual measurement data of the physical sensor and the measurement data of the virtual sensor of the digital twin are combined, the sensor deviation is calculated and calibrated in real time, and the problem of single sensor error can be effectively solved.

The invention relates to the technical field of elevator energy consumption analysis, and discloses an elevator energy consumption analysis method and system.The elevator energy consumption analysis method comprises the steps that elevator operation data are obtained, anchor point events are detected based on the elevator operation data, time alignment processing is conducted on the elevator operation data, and a synchronous data sequence with a unified time axis is generated; based on the synchronous data sequence, elevator running states are recognized, regeneration running stages are marked, and time segments corresponding to the elevator running states are output; carrying out integral calculation on the active power of the line in a time segment, realizing bottom consumption stripping in combination with a standby power reference, and outputting segment energy consumption through positive and negative power decomposition; and in the regeneration operation stage, feedback energy and braking energy are calculated according to the elevator operation data, feedback efficiency is calculated, and an energy consumption analysis result is output. According to the method, a reliable basis is provided for energy efficiency evaluation, abnormal early warning and operation optimization of the elevator system.

A method for determining a torque scaling factor for an elevator motion control system (10) connected to and configured to operate an elevator motor (302). The method comprises performing (110) a test run of an elevator car (310) in an elevator shaft (340) of an elevator system (300) by utilizing the elevator motion control system (10) and the elevator motor (302), wherein the test run comprises a constant speed portion (21) into a first direction and a constant speed portion (22) into an opposite second direction, determining (120), average values of torque references used in the elevator motion control system (10) during the constant speed portions (21, 22), determining (130), average motor mechanical power values of the elevator motor (302) during the constant speed portions (21, 22), and determining (140), the torque scaling factor based on the determined average torque references, the determined average motor mechanical power values, and a speed (VTEST) during the constant speed portions (21, 22).

The invention relates to an elevator position estimation method and device, equipment, a storage medium and a program product. The method comprises the steps that electric signal collection is conducted on the elevator traction machine, and voltage and current in a target time period are obtained; the voltage frequency of the elevator traction machine is calculated based on the voltage, the target time period and the electric signal zero-crossing number; the current frequency of the elevator traction machine is determined; the angular speed of the elevator traction machine is calculated, the angular speed obtained based on the voltage frequency or the current frequency is input into an elevator system mathematical model for displacement calculation, and displacement information of an elevator car is obtained; and the position information of the elevator car is determined based on the displacement information and accumulated displacement information of the elevator car in the ascending or descending stage. By adopting the method, the estimation accuracy of the elevator position can be effectively improved.

The invention discloses a safe torque cut-off and electronic star sealing device and an elevator system, relates to the technical field of elevators, and is used for realizing STO and electronic star sealing functions. Aiming at the problem that a common contactor-free scheme at present cannot ensure the function safety, the invention provides the safe torque cut-off and electronic star sealing device, and the STO and electronic star sealing functions of an elevator are ensured through a safe torque cut-off module and an electronic star sealing module. Meanwhile, failure detection is carried out on the two newly-added modules through the control module, and a mutual detection mechanism between the control module and the safe torque cut-off module is established. When any one of the three newly added modules fails, the failure can be detected and the STO or electronic star sealing function is triggered. On the basis, all modules used for replacing a traditional contactor to achieve STO and electronic star sealing functions in the device establish failure detection mechanisms, so that the device can meet the requirement of the elevator for the function safety level.

An elevator safety system includes a safety controller in connection with an elevator safety chain for monitoring safety of an elevator system. The elevator safety system is arranged, in a first configuration of the elevator safety system, to monitor a set of safety devices, and arranged to be reconfigured from the first configuration to a second configuration of the elevator safety system in response to a detection of a malfunction or failure in a portion of the first configuration, wherein, in the second configuration, the malfunctioned or failed portion is at least functionally excluded. An elevator system and a method for continuing operation of an elevator system after a malfunction or failure are also disclosed.

The invention relates to the technical field of elevator traction machines, and discloses a controller and a traction machine driving assembly. The cooling assembly is arranged in the outer cover, and an inner cavity of the outer cover is divided into a first cavity body and a second cavity body by the cooling assembly; the control assembly is arranged in the first cavity, and the control assembly exchanges heat with the cooling assembly; and the braking resistor is arranged in the second cavity, and the braking resistor exchanges heat with the cooling assembly. Due to introduction of the cooling assembly and reasonable cavity division design, the cooling assembly can take away heat generated by the brake resistor in time, heat accumulation in the brake resistor is avoided, and the problem that heat dissipation is insufficient does not need to be compensated by depending on large parameters. Therefore, the brake resistor with smaller parameters and lower cost can be selected without influencing the overall performance, and the performance specification requirement of the brake resistor is reduced, so that the size of the brake resistor is reduced, and the overall size of the elevator system control cabinet is reduced.

A braking apparatus for braking a movable elevator car of an elevator system and for measuring load changes produced in the elevator car has at least one, preferably two, brakes for braking the elevator car relative to a stationary component of the elevator system. The braking apparatus includes a brake holding arrangement for holding the brake(s) on the elevator car, a load measuring device having a force transmission element for measuring a force acting on the force transmission element, and a load measuring device holding arrangement for holding the load measuring device on the elevator car.

A monitoring system of an elevator system in which an elevator car and a counterweight, which are attached to a tension member, travel through a hoistway in opposite directions is provided. The monitoring system includes a controller to cause the elevator car to travel to a predefined position in the hoistway, a sensor to sense a position of the counterweight with the elevator car stopped at the predefined position and to generate data corresponding to sensing results and a processor operably coupled to the sensor and configured to analyze the data and to calculate, based on analysis results, an elongation of the tension member.

A remote monitoring system for an elevator system includes at least one remotely operable intermediate device and a monitoring unit for remotely controlling operation of the at least one intermediate device at least partly. The monitoring unit controls at least one intermediate device to generate a remote command for controlling at least one operation of the elevator system, and monitors a response of the elevator system to the remote command. A method for remotely monitoring an elevator system is also included.

An elevator system is configured to be capable of accepting an internal call made by a user operating an elevator operating panel and an external call made from an external apparatus using a communication network. The elevator system is provided with a processor that assigns a car to be an arranged-car candidate to an internal call or an external call from among one or more cars. The processor is configured to, when an external call is accepted, execute an operation condition judgment process for judging whether each of the one or more cars is in an operating state or in a non-operating state and an external call assignment process for preferentially assigning a car in the non-operating state as the arranged-car candidate over a car in the operating state.

The invention discloses an elevator dispatching method and system, electronic equipment and a storage medium, and the method comprises the steps that an elevator dispatching environment is constructed according to the elevator state and calling information, and the elevator dispatching environment comprises a state space, an action space and a reward function; reinforcement learning processing is conducted on the elevator dispatching environment according to a double-Q learning model, and an initial dispatching strategy is obtained; performing global optimization processing on the initial scheduling strategy according to a simulated annealing algorithm to obtain a target scheduling strategy; and operation control is conducted on the elevator system according to the target scheduling strategy, and the double-Q learning model is updated according to an operation result. The embodiment of the invention can improve the elevator dispatching efficiency, and can be widely applied to the technical field of elevators.

A power management system for an elevator system. A power management system for an elevator system includes a power converter having three input terminals, two of the three input terminals coupled to a main power source for supplying single-phase AC power to the power management system, the power converter configured to convert the AC power from the main power source into DC power on a common DC bus, a secondary power source for supplying DC power to the common DC bus, a power inverter configured to invert the DC power on the common DC bus into AC output power for driving an electric motor of the elevator system, and a dynamic braking resistor which is coupled between a third input terminal among the three input terminals of the three-phase power converter and the common DC bus.

The invention discloses a super capacitor energy storage elevator energy-saving system based on industrial big data. The super capacitor energy storage elevator energy-saving system comprises an elevator operation system network, an energy storage control terminal, a super capacitor module and a standby circuit module. The elevator operation system network comprises a plurality of independent elevator operation systems; the energy storage control terminal comprises an elevator operation data module and an intelligent distribution module, the elevator operation data module performs big data statistics and analysis on operation data of each elevator, and the intelligent distribution module comprises a pre-charging / discharging control unit; a frequency converter assembly is arranged between the parallel circuit and each traction driving assembly, and the parallel circuit and the bleeder circuit are respectively connected with the intelligent distribution module. The device can be installed in an existing elevator system, has good compatibility and is low in implementation difficulty, electric energy generated by descending of an elevator is collected and reused, and the energy utilization rate is increased.

The invention relates to a method, device and equipment for estimating the position of an elevator, a storage medium and a program product. The method comprises the steps that electric signal collection is conducted on the elevator traction machine, and voltage and current in a target time period are obtained; respectively determining the voltage frequency and the current frequency of the elevator traction machine according to the voltage and the current; the angular velocity of the elevator traction machine is calculated according to the voltage frequency, the current frequency and the number of pole pairs of the motor, and the comprehensive angular velocity is determined based on the voltage effective value corresponding to the voltage and the angular velocity; the start-stop time point of the elevator traction machine is determined, data cleaning is conducted on the comprehensive angular speed according to the start-stop time point, and the target angular speed is obtained; the target angular speed is input into an elevator system mathematical model for displacement calculation, and displacement information of the elevator car is obtained; and the position information of the elevator car is determined based on the displacement information and accumulated displacement information of the elevator car in the ascending or descending stage. By adopting the method, the estimation accuracy of the elevator position can be effectively improved.

An elevator system and a guiding device for use in an elevator system. The guide device for an elevator system includes: a bracket; a plurality of rollers mounted onto the bracket; at least one of the plurality of rollers is mounted onto the bracket through a damping device, the damping device includes: an oscillating rod, a first end of the oscillating rod is rotatably mounted onto the bracket, a second end of the oscillating rod is provided with a first notch, and the roller is mounted onto the oscillating rod; a guide pin, wherein the guide pin is mounted onto the bracket and passes through the first notch of the oscillating rod; and one or more friction members, mounted onto the oscillating rod and in frictional contact with the guide pin during the oscillation of the oscillating rod.

The invention discloses a high-speed elevator operation data rapid transmission method based on the Internet of Things technology. Comprising the steps of collecting basic operation parameters of an elevator, performing feature extraction on original data through edge computing nodes, dynamically dividing data grades based on a real-time speed value of the elevator, dynamically adjusting a compression ratio according to a network quality index, training a Markov decision model based on historical transmission data, and calculating an optimal transmission path combination in real time. And dynamically adjusting the bandwidth allocation proportion among the nodes. The high-speed elevator operation data hierarchical transmission method based on edge calculation, 5G slicing and the block chain technology is suitable for an intelligent elevator system with the speed larger than or equal to 5 m / s, and particularly meets the emergency working condition data transmission requirement in a super high-rise building.

A platform for an elevator system in a building that is under construction, the building having an elevator shaft that becomes taller as the building height increases over the course of the building phase of the building, includes a pneumatically activated seal for sealing a gap between platform and the walls of the elevator shaft. The seal is configured as a circumferential seal attached to the platform. A compressed air source in the form of a compressor is arranged on the platform to operate the pneumatically activated seal.

According to an aspect, there is provided an elevator system comprising an elevator car (100) configured to move in an elevator shaft (200) comprising at least a bottom landing and an elevator pit (216), and an elevator controller (102) configured to move the elevator car (100) into a predetermined service access level in the elevator shaft (200) in response to a received service access call. The elevator car (100) comprises an at least partially openable service access floor (202) to provide access to the elevator pit (216) through the openable service access floor (202). The service access floor (202) in its opened state is configured to provide a refuge space (218) at least partially inside the elevator car (100) for a person in the elevator pit (216) when the elevator car (100) is at the predetermined service access level (212).

A modular elevator system has a pit module, one or more shaft modules that are attachable to the pit module and / or to an adjacent shaft module, and a cap module that is attachable to an uppermost shaft module. The pit module, the shaft modules, and the cap module are each pre-fabricated and transported to a site at which a building is under construction for assembly top of the pit module, the remaining shaft modules are secured sequentially on top of each other, and the cap module is secured on top of the uppermost shaft module.

An elevator system includes one or more elevator lines, an image unit, and a control unit, where each of the elevator lines includes at least one elevator car; the image unit includes a first imaging device installed inside the elevator car and a second imaging device provided to an elevator hall on each floor of a building; the control unit includes a first controller controlling and managing operation of the elevator and a second controller controlling and managing operation of the robots; and each of the elevator lines is operated in any one of a non-robot exclusive mode, a robot exclusive mode, and a boarding-share mode.

To provide an elevator system capable of smoothly securing a utilization space for specific users and improving utilization efficiency for each user by making it harder to give inconvenience to general users.SOLUTION: An elevator system comprises a car, an information providing unit, a priority region, an inner car information collection unit, a landing place information collection unit, and a control unit. When the car arrives at a landing place and an opening / closing door of the car is in a door-opening state, if specific users are present in a landing place waiting region of the landing place and non-specific users are present in the priority region inside the car, the control unit executes priority operation mode control that notifies the non-specific users to move out of the priority region through the information providing unit and continues the door opening state while stopping the car until it is detected that the specific users move out of the landing place waiting region of the landing place or a certain period of time passes.SELECTED DRAWING: Figure 4

To provide an elevator control device allowing a wheel chair user and a stroller user to easily use the elevator even if the elevator is crowded.SOLUTION: An elevator control device according to one embodiment is capable of autonomous driving, is communicably connected to a movable body having a movable body output device, and comprises a determination unit and a coordination information processing unit. The determination unit determines whether or not there is an available space for priority passengers to board in a car when the determination unit detects the opening of a car door at the floor where a landing call is generated in response to the landing call generated at a prescribed floor by the operation of the priority user who is a wheelchair user or a stroller user. The coordination information processing unit outputs alighting enhancement information from the movable body output device to the users in the car to enhance the alighting when the coordination information processing unit determines that there is no available space for boarding of the priority passengers in the car.SELECTED DRAWING: Figure 2

The invention discloses an elevator localization interaction method and device, and belongs to elevator system design. The intelligent level and the user privacy protection capability of the elevator interaction system are improved. According to the method, voice signals of a user are collected in real time and are transferred to generate a structured text with a timestamp, confidence and a preliminary keyword; then, intention recognition is conducted on the structured text based on semantic analysis, and whether sensitive information of the elevator is involved or not is judged; for queries involving elevator sensitive information, the system retrieves relevant elevator information through a local knowledge base and generates a localized response, which is played through elevator sound equipment. In the process, the system is automatically disconnected from the Internet, and it is ensured that sensitive information of the elevator is not transmitted through the Internet. And for non-sensitive query, the system is allowed to access the Internet, and real-time data is acquired and returned to the user. The user privacy can be effectively protected, meanwhile, intelligent elevator interaction experience is provided, and the risk of data leakage is avoided.

An elevator system includes an elevator car and a drive unit. The elevator system also includes one or more power sources for providing power to the drive unit, a current sensor and a controller. The controller is configured to cause the current sensor to measure a current through the motor while the elevator car is held stationary at the landing by the motor and / or during an initial phase of the run profile, to determine an available power from the one or more power sources, and to determine a predicted power demand for the drive unit based on the measured current and one or more parameters of the predetermined run profile. The controller is also configured to determine whether the predicted power demand is greater than the available power from the one or more power sources.