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156 results about "Operating cycle" patented technology

Optimization method and system for manipulator control system

The embodiment of the invention provides an optimization method and system for a manipulator control system, and the method comprises the steps: firstly obtaining an operation data set containing a control instruction sequence and corresponding motion state data in a historical operation period of a manipulator, carrying out the feature extraction of the operation data set, and obtaining an associated motion feature set; calling a pre-trained control strategy optimization model to analyze and generate strategy adjustment parameters, adaptively updating the control instruction sequence of the current operation task according to the strategy adjustment parameters to obtain a target control instruction sequence, and finally inputting the target control instruction sequence into a control system to execute operation. And real-time motion state data is collected for subsequent iterative optimization, so that the performance of the manipulator control system can be continuously improved, and the operation precision and efficiency are improved.
Owner:GUANGZHOU KEYI PRECISION MACHINERY EQUIPMENT CO LTD

Liquid silica gel injection molding process optimization method and system

The invention relates to a liquid silica gel injection molding process optimization method and system in the field of intelligent manufacturing, and the method comprises the steps: obtaining mold structure data adaptive to a shrinkage rate, combining geometric characteristics of a complex structure product, adopting a topological optimization algorithm to redesign a parting surface and a demolding path, and determining a lossless demolding mold parting scheme; whether the product damage risk is lower than a preset threshold value or not is judged by simulating stress distribution of the demolding path, and if the product damage risk is lower than the threshold value, final mold manufacturing parameters are generated, and an optimized production process configuration file is obtained; extracting production rhythm data from the optimized production process configuration file, dynamically adjusting the operation cycle of the injection molding machine in combination with the demolding efficiency monitored in real time, and determining equipment parameter configuration for efficient mass production; and generating a control instruction sequence according to the equipment parameter configuration, and transmitting the control instruction sequence to the injection molding equipment and the mold heating system through the industrial Internet of Things to obtain operation state data of the automatic production line.
Owner:DONGGUAN ZHERUNTAI ELECTRONICS CO LTD

Air conditioner, control method thereof and computer storage medium

The invention discloses an air conditioner, a control method thereof and a computer storage medium. The control method of the air conditioner comprises the steps that environment parameters in a working space when the last cycle of operation of the air conditioner is finished are obtained; according to the environment parameters in the working space, the operation duration of the air conditioner in the period is determined; acquiring operation parameters of the air conditioner in the period; and the air conditioner is controlled to operate according to the operation parameters of the period until the operation duration of the period is reached. According to the method, the running duration of each running cycle is matched with the current environment, the air conditioner equipment runs according to the running cycle designed in this way, the purpose of rapidly adjusting air can be achieved, the running condition of over-reaching temperature or under-reaching temperature is avoided, and the running burden of an air conditioner server side can be relieved.
Owner:GD MIDEA AIR CONDITIONING EQUIP CO LTD

Automobile production line parameter monitoring and early warning method based on dynamic threshold and multi-dimensional comparison

The invention discloses an automobile production line parameter monitoring and early warning method and system based on dynamic threshold and multi-dimensional comparison. The method comprises the following steps: completing deployment of a sensor device for data acquisition and construction of a data set; constructing a model infrastructure, wherein an input layer synchronously receives a process card parameter vector, an equipment state vector and a process-equipment association feature vector; a time sequence segmentation learning mechanism is introduced into the LSTM layer, and data fragments are divided according to the equipment operation cycle; the model processing layer adopts a dynamic weight adjustment mechanism, and the Attention layer firstly endows features at different moments and in different equipment states with basic weights, and then carries out real-time calibration according to the abnormal contribution degree of each feature in historical early warning data; the output layer calculates and outputs the probability value of the actual parameter meeting the process requirement through a Softmax function; and taking a probability value output by the model as a core, establishing a hierarchical early warning response mechanism and matching a standardized process. And long-term accurate monitoring and efficient early warning of the parameters of the automobile production line are realized.
Owner:东风设备制造有限公司

Version control system

A version control system implemented in software and executed by one or more processors that provides for change set integration for diverse types of objects. The system may be configured to handle a wide range of objects of different types committed to the version system by storing and / or versioning the objects, change sets, and complex relationships between objects and object dependencies. Unified support for development operations may be provided as assets under version control may optionally be deployed, rolled back, compared to a corresponding live environment, and tested thus providing for sophisticated development and operational cycles. The system provides automatic and / or semi-automatic object integration such as may be useful for continuous development and integration and feature based development.
Owner:CROSSVISTA INC

System for supplying gaseous fuel

A system for supplying gaseous fuel to a fuel consumer at a desired supply pressure from a fuel source within which fuel is stored at a storage pressure different from the supply pressure comprises at least two variable volume chambers, and valving for connecting each of the variable volume chambers cyclically and alternately to the fuel source and consumer. During each operating cycle, the valving connects a first of the variable volume chambers to the fuel consumer to supply fuel at the desired supply pressure and connects a second of the variable volume chambers to the fuel source to introduce a quantity of fuel at the storage pressure. The volume of the second variable volume chamber is changed after the introduction of the quantity of fuel therein to change the pressure from the storage pressure to the supply pressure in readiness for an ensuing cycle.
Owner:METIER VENTURES LTD

System and method for preserving the contents of beverage containers

A method of preserving a liquid in a container comprises connecting a fluid flow line between a headspace of the container and a pressure modifying means and performing an operating cycle of the pressure modifying means during which the dynamic pressure in the fluid flow line is measured and compared to an initial target dynamic pressure value Pt. At the end of the operating cycle, a static pressure is measured in the fluid flow line and a pressure correction Pcorr is applied to the initial target dynamic pressure value to obtain an updated target dynamic pressure value Pt′ for use in a subsequent operating cycle of the pressure modifying means. The pressure modifying means may be a vacuum pump for the preservation of still wines, or a gas supply for the preservation of sparkling wines. A corresponding system is also disclosed.
Owner:BERMAR INT

METHOD FOR DETECTING THE ARRIVAL OF A LIQUID FRONT IN A VALVE

The invention relates to a method for detecting the arrival of a liquid front in a valve (10) comprising: - a step of applying a control signal (Uper) to the valve so as to continuously switch the valve (10) between two switching positions, namely an open position and a closed position, the duration between the transition from one switching position to the other corresponding to one operating cycle, - a step of measuring at least one parameter of an electrical signal (Irep) of the valve (10) during each operating cycle, and - a step of detecting the arrival of a liquid front in the valve (10) based on a temporal change in the parameter of the electrical signal (Irep) of the valve (10). Figure 1
Owner:INSIDE THERAPEUTICS SAS

Aero-engine vibration examination test method and system

This invention belongs to the field of aero-engine vibration testing technology, and specifically relates to a method and system for aero-engine vibration assessment testing; it includes: determining the most severe vibration environment for the components; determining the engine rotor dwell speed and dwell time at the dwell speed; formulating a vibration assessment test spectrum based on the engine rotor dwell speed and dwell time; conducting a whole-engine test based on the most severe vibration environment for the components and referring to the vibration assessment test spectrum; generating an engine speed versus vibration curve based on the engine whole-engine test measurement data, and formulating component vibration limit values; conducting the component vibration assessment test on the whole engine, and the whole engine used for the component vibration assessment test simulates the maximum possible vibration environment and test temperature of the components across the entire operating cycle and speed range; making the installation and vibration environment more consistent with actual engineering conditions.
Owner:AECC HUNAN AVIATION POWERPLANT RES INST

Fuel injection system

Fuel injection system comprising (i) a plurality of injectors, the plurality of injectors comprising at least two injectors (40, 50), the plurality of injectors being configured to inject gaseous fuel into an engine (20), (ii) a fuel tank (30) being configured to store gaseous fuel, and (iii) a delivery line (312, 313) being configured to supply gaseous fuel from the fuel tank to each of the plurality of injectors, the fuel injection system comprising: a wear amount estimation unit (72) configured to estimate a wear amount of each of the plurality of injectors; and a determination unit (73) configured to determine, based on the wear amount of each of the plurality of injectors estimated by the wear amount estimation unit, which of the plurality of injectors is preferably operated; and wherein the wear amount estimation unit is further configured to estimate the wear amount of each of the plurality of injectors based on a cumulative number of operating cycles of each of the plurality of injectors; and wherein The determining unit is further configured to calculate a subtraction value, obtained by subtracting the cumulative number of operating operations from a predetermined number of operating operations, for each of the plurality of injectors and preferably to operate one of the plurality of injectors that has the largest subtraction value.
Owner:DENSO CORP

Transmission feeding mechanism for overload protector assembly production line

The invention relates to the technical field of conveying structures, in particular to an overload protector assembly production line conveying and feeding mechanism which comprises a plurality of bearing tables used for bearing protectors and a conveying structure used for conveying the bearing tables. The conveying structure comprises a first guide rail set, a second guide rail set, two transfer units and a transfer table, wherein the first guide rail set and the second guide rail set are distributed front and back and parallel to each other, the two transfer units are distributed left and right, the transfer table can reciprocate between the first guide rail set and the second guide rail set, and the two transfer units are both arranged on the transfer table. By means of the protector conveying and feeding device, the defect that conveying and feeding are tedious in the protector assembling process is effectively overcome, the bearing table can carry the protectors to directly and sequentially pass through all the assembling stations, the protectors on one station do not need to be repeatedly grabbed and transferred to another station, the conveying mode is effectively simplified, the protector conveying work is simpler, and the production efficiency is improved. And the single operation period is shortened.
Owner:JIANGSU CHANGSHENG ELECTRIC APPLIANCE

A speed control system, control method and controller for a steam-driven feedwater pump

This application discloses a speed-up control system, control method, and controller for a steam-driven feedwater pump. The speed-up control system includes a PID controller, a start-up control valve, a load control valve, and a controller. The PID controller has an 8-second operating cycle and a dead zone of 15 revolutions. The controller controls the load control valve to be fully open and reduces the opening of the start-up control valve based on the output value of the PID controller, causing the pump speed of the steam-driven feedwater pump to increase from the turning gear speed to a first target speed. When the pump speed of the steam-driven feedwater pump reaches the first target speed, the start-up control valve is controlled to be closed. The opening of the load control valve is reduced, causing the pump speed of the steam-driven feedwater pump to increase from the first target speed to a second target speed. In this embodiment, by setting the operating cycle of the PID controller to 8 seconds, the number of output changes of the PID controller is reduced, thereby increasing the service life of the start-up control valve.
Owner:CHINA TECHENERGY

Method for controlling sewing machine to sew cloth at low speed without throwing thread

The invention relates to a low-speed non-throwing control method for sewing cloth by a sewing machine, a needle and a take-up lever of the sewing machine are driven by a main shaft, and the method comprises the following steps: S1, determining a non-throwing safe aperture D1; determining the time tD required from the time when the machine needle upwards leaves the cloth to the time when the needle eye hole shrinks to the non-throwing thread safe aperture D1; s2, recording AT / T = omega n; in one operation cycle, determining an angle A1 corresponding to the main shaft when a machine needle upwards leaves the cloth, and determining an angle A2 corresponding to the main shaft when the take-up lever finishes the take-up action; s3, setting a function omega = f (A) of the angular velocity of the main shaft with respect to the angle of the main shaft in one operation cycle, and satisfying the following conditions: f (0) = f (AT), f (A) is continuously derivable, and f '(0) = f' (AT); in the interval of 0-A1, omega is increased to omega n and continues to be increased; when t1 = A1 / omega n, the angle of the main shaft is A1; the time t2 for rotating to A2 meets the condition that t2-t1 < = tD; the main shaft angle is AT at the time T; and S4, in one operation cycle, the angle of the main shaft is obtained in real time, and the main shaft is controlled to rotate through the function relation omega = f (A).
Owner:JACK SEWING MASCH CO LTD

Firmware control providing a soft stop on compression drive nailer

A method for controlling a motor of a power tool including performing a load test on a battery pack of the power tool, determining, via a first controller, a first mechanism control scheme based on the load test, receiving, via the first controller, a user input indicative of beginning an operation cycle of the power tool, and isolating the first controller from a second controller. The method further including controlling, via the first controller, the motor based on the first mechanism control scheme, sensing a dataset indicative of a result of the operation cycle based on the first mechanism control scheme, receiving, via the second controller, the dataset, connecting the first controller to the second controller upon completion of the operation cycle, transmitting, via the second controller, the dataset to the first controller, and determining, via the first controller, a second mechanism control scheme based on the dataset.
Owner:TECHTRONIC CORDLESS GP

Methods and apparatus for controlling the compressor in an air conditioning system

This application provides a method and system for controlling compressors in an air conditioning system. The method includes controlling N compressors of the air conditioning system to operate in several operating cycles. The method of controlling the N compressors to operate in one of the several operating cycles includes setting an operating cycle for the N compressors, setting a threshold X for the operating time of the N compressors, and within one operating cycle, loading and running all N compressors at least once. If all N compressors are loaded and have accumulated the operating time of the threshold X, then one operating cycle ends and the next operating cycle begins. This application ensures that multiple compressors are loaded and run for the same amount of time in each operating cycle, thereby ensuring that multiple compressors operate evenly within each operating cycle, and thus all compressors operate evenly across several operating cycles. Therefore, this application can achieve uniform compressor wear and extend the lifespan of the air conditioning system.
Owner:YORK GUANGZHOU AIR CONDITIONING & REFRIGERATION CO LTD +1

Method for operating a direct-injection gas combustion engine, in particular a hydrogen engine

The invention relates to a method for operating a direct-injection gas combustion engine (2), in particular a hydrogen engine, wherein in a first operating cycle (A1) a post-injection (202) is to take place at a first time (t1) and in a second, immediately subsequent operating cycle (A2) a main injection (201) is to take place at a second time (t2), the method comprising a determination of a distance (t A ) between a third time point (t3), defined by an end of the combustion of the post-injection (202), and the second time point (t2), a comparison of the determined distance (t A ) with a lower distance threshold, if the specified distance (t A) does not fall below the lower distance threshold, perform the post-injection (202) in the first work cycle (A1) at the first time (t1) and perform the main injection (201) in the second, immediately following work cycle (A2) at the second time (t2), and if the determined distance (t A ) falls below the lower distance threshold, increasing the distance (t A ) between the third time (t3) and the second time (t2).
Owner:ROBERT BOSCH GMBH

Radial piston pump array transmission system for wind turbines

The present invention discloses a radial piston pump array group transmission system for a wind turbine, comprising a rotor assembly, wherein the rotor assembly comprises a rotating sleeve, wherein a plurality of transmission rings distributed at equal distances are fixedly mounted coaxially on the outside of the rotating sleeve, and the outer peripheral surface of each transmission ring is a cam roller track with periodic undulations; a plurality of radial piston pumps at fixed positions are distributed in a circumferential array on the outer periphery of each transmission ring; during the rotation of the transmission ring, the periodic undulating cam roller track drives the plunger in each radial piston pump to reciprocate via a transmission member; the present invention improves the output displacement under low speed working conditions by increasing the number of times the plunger acts in a single operating cycle of the rotor, thereby increasing the number of times the plunger acts and the number of cylinders.
Owner:郝文杰

Servo Continuous Interpolation and Curve Parametric Control Method Based on Mitsubishi PLC System

ActiveCN121722056Bquick debuggingdebug accuratelyControl engineeringGeometric modeling
This invention discloses a servo continuous interpolation and curve parameterization control method based on a Mitsubishi PLC system, relating to the field of CNC motion control technology. The method includes process parameter conversion and interpolation execution: The system receives user-inputted process parameters at a human-machine interface, including at least the target bending angle; the PLC main controller automatically calculates the coordinate parameters required for the motion control module to execute the interpolation motion based on a preset geometric model and the process parameters. This application lowers the operational threshold by encapsulating complex mathematical coordinate calculations within the program, allowing operators to interact only with intuitive process parameters, enabling even non-professionals to quickly and accurately debug equipment. This application also improves equipment efficiency and flexibility: intelligent continuous interpolation judgment reduces unnecessary starts and stops, increases equipment operating cycle time, and one-click switching between linear / circular modes enhances the equipment's ability to handle different processes.
Owner:ANHUI KINGPOWER EQUIP & MOLD MFR

Vibration suppression device, robot system, and vibration suppression method

PCT designated stageWO2025163748A1ManipulatorRobotic systemsClassical mechanics
A vibration suppression device (2) suppresses vibrations of a robot (3) that has: a sensor (24) which detects a state of the robot (3); a robot controller (21) which, on the basis of a state detection value output by the sensor (24) and a set operation procedure, outputs an operation command; and an actuator (22) which operates a mechanism (23) in accordance with the operation command. The vibration suppression device (2): outputs, to the robot controller (21), an identification command pertaining to an operation of the mechanism (23) when a system characteristic that is a characteristic of the mechanism (23) is identified; generates, on the basis of the system characteristic that is identified on the basis of a state detection value which is output by the sensor (24) when the mechanism (23) operates according to the identification command, a stability command that avoids an unstable operation cycle, which is an operation cycle of the mechanism (23) at the time when the operation of the mechanism (23) becomes unstable; and suppresses vibrations of the mechanism (23) by outputting the stability command to the robot controller (21).
Owner:MITSUBISHI ELECTRIC CORP

Environmental evaluation and early warning system for wind power plant

The invention relates to the technical field of wind power plant environment evaluation, and discloses an environment evaluation and early warning system for a wind power plant, which comprises a setting module used for presetting environment evaluation indexes of operation cycles including an evaluated operation cycle and an unevaluated operation cycle; the evaluation module is used for calculating an environment sub-evaluation difference value of the evaluated operation cycle; the early warning module is used for judging whether an early warning instruction is generated or not based on the environment sub-evaluation difference value and the predicted environment sub-evaluation value; the simulation module is used for generating a first management optimization strategy based on the environment sub-evaluation difference value, the predicted environment sub-evaluation value and a preset objective function if the early warning instruction is generated, and performing analogue simulation to obtain a simulated environment sub-evaluation value; the correction module is used for judging whether the first management optimization strategy is corrected or not according to the simulation environment sub-evaluation value, if yes, a second management optimization strategy is obtained, and the negative influence on the environment is reduced to the maximum extent while the resource utilization rate is improved.
Owner:HUANENG DAQING RANGHU ROAD CLEAN ENERGY CO LTD

Speed reduction control method, device and system for permanent magnet electric submersible plunger pump

The invention discloses a permanent magnet electric submersible plunger pump speed reduction control method, device and system. The method comprises the steps that in the current operation period, when the angle of a motor rotor reaches the rotor angle corresponding to a preset deceleration point, the driving current frequency of a motor is reduced, so that a plunger of the permanent magnet electric submersible plunger pump is decelerated to reach the target limit position; wherein if the current operation cycle is the first operation cycle, the rotor angle corresponding to the deceleration point is determined based on the operation position of the plunger in the pump body and the self-learning result of the corresponding rotor angle; otherwise, determining the rotor angle corresponding to the deceleration point based on the rotor angle and the error angle corresponding to the deceleration point in the previous operation cycle. The rotor angle corresponding to the deceleration point can be accurately positioned, accurate control over the upper limit position and the lower limit position of the plunger pump is achieved, and the phenomena of top collision and bottom collision are effectively avoided or reduced in the operation process.
Owner:CNPC BOHAI EQUIP MFG +1

Method for diagnosing the operation of an active airflow control system.

The present invention relates to an active airflow control system and a method for diagnosing the operation of an active airflow control system (1) for a vehicle, comprising: a mechanical obstructing element (2), a mechatronic system (3), equipped with a housing containing a magnet motor (10) driven by a control circuit (11) and coupled to a motion transformation enabling the movement of the mechanical obstructing element (2), electronic communication lines (7) for exchanging information with the vehicle's DCU (8) or receiving commands from the vehicle's DCU (8), characterized in that said method comprises a series of steps consisting of: recording, during an operating cycle of the active airflow control system (1), a sequence of sampled digital data in a memory, where the sequence of sampled digital data consists of a set of digital data,acquired by said control circuit (11) internal to the mechatronic system (3), apply to said sampled digital data sequence stored in memory an algorithmic statistical analysis model to determine a singularity, discriminate by the control circuit (11) and transmit to the DCU, a sporadic error code associated with the singularity, said sporadic error code being information on the state of the active airflow regulation system (1). Figure from the abstract: Figure 1,
Owner:SONCEBOZ MOTION BONCOURT SA

Vehicle static control method and system and vehicle

The invention discloses a vehicle static control method and system and a vehicle and is applied to the technical field of vehicle static control, and the method comprises the steps that when it is detected that a target vehicle is static, the first static pressure of the target vehicle in the current operation period is obtained according to the gradient sensing value of the target vehicle in the current operation period; according to the main cylinder pressure of the target vehicle in the current operation period, second static pressure of the target vehicle in the current operation period is obtained; according to the first static pressure and the second static pressure of the target vehicle in the current operation period, the target maximum static pressure of the target vehicle in the current operation period is obtained; and performing static control on the target vehicle according to the target maximum static pressure of the target vehicle in the current operation period. According to the application, the maximum static pressure can be accurately limited to a numerical value capable of exactly keeping the vehicle static, the vehicle sliding is prevented, the pressure buildup loss of the vehicle in the static state is reduced, and the risk that a vehicle braking system is damaged due to long-time work is reduced.
Owner:CHINA FAW CO LTD

Internal combustion engine with two intake valves per cylinder controlled by a mechanical actuation system and an electronically controlled hydraulic actuation system respectively

PCT designated stageWO2025215431A1Output powerMachines/enginesCrankHydraulic circuit
An internal combustion engine comprises a first intake valve (V1) and a second intake valve (V2) associated with each engine cylinder. The first intake valve (V1) is controlled by the respective tappet (15) with a lift profile as a function of the crank angle that is invariable and bound to the profile of a respective actuation cam (14), while the second intake valve (V2) of each cylinder is controlled by the respective tappet (15), through the interposition of an electronically controlled hydraulic circuit. The cam (14) that operates the first intake valve (V1) has a profile with two lobes (14A, 14B) that determine, at each operating cycle of the cylinder, a first opening period that begins when the respective piston is near TDC and ends when the respective piston is at an intermediate position between TDC and BDC, and a second opening period that begins when the respective piston is near BDC and ends when the piston is at an intermediate point between BDC and TDC. The first intake valve (V1) is therefore fully closed during an intermediate period in which the respective piston is still descending towards its BDC, so as to create a vacuum in the respective cylinder that generates a jet of air entering the cylinder during the second opening period. The electronic controller (25) associated with the hydraulic system that operates the second intake valve (V2) is configured to cause an opening period of the second intake valve (V2) that begins during the second opening period of the first intake valve (V1) and ends substantially when the second opening period of the first intake valve (V1) ends.
Owner:CENTRO RICERCHE FIAT SCPA

A method for internal and external synchronization of a Byzantine computer system based on TTE network

The present invention provides an internal and external synchronization method for a Byzantine computer system based on a TTE network. This method, applied to a Byzantine computer system incorporating a TTE network, comprises: obtaining a first operating cycle of a Byzantine computer system employing a synchronous Byzantine protocol, comprising multiple first synchronization cycles, and a second operating cycle input from the TTE network, comprising multiple second synchronization cycles; for each first synchronization cycle, performing the following steps: obtaining a current second synchronization cycle corresponding to the first synchronization cycle, determining a first initial moment of the first synchronization cycle and a second initial moment of the current second synchronization cycle; and adjusting the first synchronization cycle based on the first initial moment and the second initial moment to obtain a revised synchronization cycle, thereby completing synchronization. The internal and external synchronization of a Byzantine computer system based on a TTE network provided by this solution achieves synchronization between internal and external synchronization cycles, ensuring the high reliability of the Byzantine computer system.
Owner:BEIJING INST OF CONTROL ENG

Encoder

The utility model discloses an encoder, and relates to the field of encoders, and the encoder comprises a housing assembly, a rotating wheel which is comparably installed in the housing assembly, and an elastic damping mechanism which abuts against and cooperates with the rotating wheel. Wherein the shell assembly is composed of a base and a cover plate, and a mounting groove used for mounting the rotating wheel and the elastic resistance mechanism is formed in the base; the outer circumferential face of the rotating wheel is provided with an annular wave-shaped meshing interface, the wave-shaped meshing interface is continuously formed by protruding units which are arranged at equal-angle intervals, and the adjacent protruding units are matched to form a V-shaped groove. According to the encoder, rigid contact is converted into a flexible contact mechanism of the elastic balls, so that the interface abrasion rate is reduced while the tactile feedback precision is maintained, and the stable mechanical property of the encoder can be maintained in a ten million operation period.
Owner:TENGFEI ELECTROINCS YUEQING CITY

Sensor and evaluation device, control environment and method for detecting misfiring, and internal combustion engine having the sensor and evaluation device and / or control environment

A sensor and evaluation device configured for detecting a misfire in an internal combustion engine, the sensor and evaluation device including: a control sensor system, which includes an acceleration sensor configured for acquiring a sound measurement signal at a cylinder and for providing a knock signal assigned to the sound measurement signal; and a module configured for at least one of acquiring and evaluating the knock signal, wherein the sensor and evaluation device is configured such that: an evaluation-relevant operating cycle angle range is assigned to an operating cycle range after an exhaust valve is opened; the sound measurement signal at the cylinder is detected by the acceleration sensor at least for the evaluation-relevant operating cycle angle range, and the knock signal assigned to the sound measurement signal for the evaluation-relevant operating cycle angle range is fed to the module in an evaluable manner.
Owner:ROLLS ROYCE SOLUTIONS GMBH

Maintenance system

Maintenance system for a gate device (1), wherein a control device (2) is provided, comprising a motor control unit (3) for controlling a drive device (4) for driving a gate element (5) and a non-temporary memory (6) for storing gate data, wherein the gate data can be retrieved from the non-temporary memory (6), characterized in that at least one temperature sensor (T1, T2, T3) is provided, which is arranged in the area of ​​the drive device (4), wherein the temperature sensor (T1, T2, T3) continuously determines temperatures T n as further gate data to the non-temporary storage (6) of the control device (2), wherein an evaluation unit (7) is provided which records a temperature profile f over preset operating cycles. n (T n ) created, whereby a comparison of a number of temperature profiles f n (T n) allows a conclusion to be drawn about the maintenance requirements of the gate device (1).
Owner:FRABA

Controller and method for controlling operation of a direct injection internal combustion engine

A controller, a vehicle incorporating the controller, and a method for controlling operation of a direct injection internal combustion engine having a combustion chamber for performing a plurality of operating cycles. The controller is configured to receive a fuel cut signal indicative of a request to inhibit fuel injection into the combustion chamber and, in dependence on the fuel cut signal, control a fuel supply system to inhibit fuel injection into the combustion chamber to perform one or more fuel cut operating cycle. The controller determines a particulate loading of a particulate filter in an exhaust system. During the one or more fuel cut operating cycle, the controller is configured to control operation of an intake valve to control the introduction of intake gases into the combustion chamber in dependence on the determined particulate loading of the particulate filter.
Owner:JAGUAR LAND ROVER LTD

Detecting a collision during operation of an automatic door system

The present invention relates to collision detection in operation of a door in an automatic door system. The collision detection is performed by monitoring a net torque deviation of the automatic door system while operating the door and upon the net torque deviation exceeding a threshold for collision, issuing a collision signal. The threshold for collision may be set by detecting an extreme net torque deviation of the automatic door system during a collision free operating cycle of the automatic door system and determining the threshold for collision based on the detected extreme net torque deviation.
Owner:ASSA ABLOY ENTRANCE SYST AB