23results about "Automatic controllers" patented technology

The invention relates to a method for operating an internal combustion engine of a motor vehicle, in which a cascade control system is used. In this system, a first quantity of air, the first quantity of which is introduced into a combustion chamber of the internal combustion engine, and a second quantity of fuel, the second quantity of which is introduced into the combustion chamber of the internal combustion engine, are controlled by means of two controllers (4, 5) of two nested control loops (2, 3). For a first controller (4, 5), a first correction value is determined, which characterizes a first control deviation (RA1) that is applied to the first controller (4). For a second controller (4, 5), a second correction value is determined, which characterizes a second control deviation (RA2) that is applied to the second controller (5).From the correction values ​​of the controllers (4, 5), a common adaptation value is determined, which is stored in a storage network common to the controllers.

An injection molding condition generation system improves the quality of injection molding. The injection molding condition generation system acquires a material property value of a resin material and an injection molding condition using the first resin material based on a target value of a quality parameter related to a quality of a molded article, the first material property value, and a predetermined relational expression. The predetermined relational expression indicates a relation among the material property value of the resin material, a plurality of injection molding conditions input to an injection molding machine, and a quality parameter related to the quality of the molded article molded by the injection molding machine based on the material property value and the injection molding conditions, and is generated based on data accumulated in the memory in association with the material property value of the resin material, the injection molding conditions, and the quality parameter.

A control device may be configured to control an electrical load (e.g., an exhaust fan) for controlling an environmental characteristic (e.g., a humidity level) in a space. The control device an actuator received in an opening in a front surface of a bezel, which may comprise first and second side portions on each side of the actuator. The control device may comprise an environmental sensing circuit for sensing the environmental characteristic in the space, and a control circuit configured to control the electrical load in response to actuations of the actuator and / or the environmental sensing circuit. The bezel may comprise a ventilation portion on the first or second side portion of the front surface. The ventilation portion may have apertures extending from the front surface to a cavity in the bezel. The environmental sensing circuit may be configured to receive air from outside of the bezel via the cavity.

A method for monitoring an electric vehicle charging apparatus is provided. A charging pile that includes a power meter and a processor is used to provide a charging current to an electric vehicle through a charging connector. The power meter detects the charging current to generate an initial current value and an initial power value that correspond to an initial charging time, and a present current value and a present power value that correspond to a present time, so that the processor calculates an initial resistance value and a present resistance value of the charging connector accordingly, and then calculates an estimated present temperature value of the charging connector based on the initial resistance value and the present resistance value. The estimated present temperature value is compared with an over-temperature threshold to determine whether to reduce the charging current.

The invention provides a control arrangement where the controller is arranged to drive the actuator utilizing automatically the explanation values. The control arrangement has a controller, which is arranged to drive an actuator. The control arrangement comprises also a setpoint controller, which is arranged to utilize deviations between explanation values of machine learning and normal explanation values of machine learning. The setpoint controller forms a setpoint value for the controller.

The utility model discloses a fire safety four-ability training demonstration device, which relates to the technical field of fire training and comprises a mounting plate, a transverse moving assembly, a display screen, a controller and a plurality of sensors, the transverse moving assembly and the controller are arranged on the back of the mounting plate, the display screen is detachably arranged on the transverse moving assembly, and the sensors are arranged on the display screen. The multiple sensors are arranged on the back face of the mounting plate at intervals and located on one side of the transverse moving assembly, and the transverse moving assembly, the display screen and the multiple sensors are all electrically connected with the controller. According to the utility model, the display screen is driven by the transverse moving assembly to carry out segmented fixed-point demonstration on four capabilities of fire safety, basic contents of the four capabilities of fire safety are briefly displayed in a video mode, the form is novel, the eyeballs of employees can be attracted, the watching interest is improved, the memory is deepened in the video watching process, and the visual effect is improved. And the mastering degree of four capabilities of fire safety is enhanced.

Automated system management is provided in which part or all of the system operations are controlled / managed through predefined attributes embedded in components of the management system itself. The creation of attributes with quantifiers allows rules for system management to be programmed in such a way that any user, customer, provider or any other type of actor can interact with the system without the need for intermediaries or approvers.

The invention relates to a hydraulic system (100) comprising: - a hydraulic consumer (10); - a control pump (30); - a control valve (36); and - a system controller (40) for dynamic position control of the hydraulic consumer (10), the system controller (40) comprising a pump controller (42) for controlling the control pump (30) and a valve controller (44) for controlling the control valve (36); wherein the valve controller (44) is configured to control the control valve (36) based on a target position (46) of the hydraulic consumer (10), based on a comparison (48) of the target position (46) with an actual position (28) of the hydraulic consumer (10), and based on an amplification factor (50) of the control pump (30) as a function of a limit value.

The invention relates to a pneumatic system for position control of an actuator element, comprising a pneumatic actuator, which includes the actuator element as well as a first pressure chamber and a second pressure chamber, and a valve device, which has a first working outlet pneumatically connected to the first pressure chamber and a second working outlet pneumatically connected to the second pressure chamber, and is configured to separately adjust respective compressed air mass flows at the working outlets within the framework of position control in order to pneumatically actuate the first pressure chamber and the second pressure chamber and thereby position the actuator element, wherein the pneumatic system has a position control device configured to generate a mass flow setpoint signal underlying the compressed air mass flows, and a mean pressure control unit configured toAs part of the position control, a pressure control of the mean pressure of the first pressure chamber and second pressure chamber is to be carried out.

The present invention discloses a method, device, electronic device and storage medium for controlling an intelligent slope regulator. The method comprises: receiving slope data of a plurality of intelligent slope regulators transmitted remotely; deriving the setting positions of a first electric push rod and a second electric push rod at both ends of a slope regulating plate of the intelligent slope regulator according to the slope data and the operating parameters of the intelligent slope regulator; driving the first electric push rod and the second electric push rod to descend to their respective lowest points; and driving the first electric push rod and the second electric push rod to rise to the setting positions respectively. The present invention allows a plurality of intelligent slope regulators to calculate the setting positions of their respective electric push rods according to the received slope data and their own operating parameters, thereby realizing personalized slope control for a plurality of intelligent slope regulators with different push rod spacings, zero positions and push rod setting ranges, avoiding the tedious and laborious process of adjusting a single slope regulator one by one, and greatly improving the slope adjustment efficiency.

The invention relates to a pneumatic system for controlling the position of an actuator element, comprising a pneumatic actuator which comprises the actuator element as well as a first pressure chamber and a second pressure chamber, and a valve device which has a first working outlet pneumatically connected to the first pressure chamber and a second working outlet pneumatically connected to the second pressure chamber, and is designed to separately adjust respective compressed air mass flows at the working outlets as part of the position control in order to pneumatically actuate the first pressure chamber and the second pressure chamber and thereby position the actuator element, wherein the pneumatic system has a position control device which is designed to generate a mass flow specification signal underlying the compressed air mass flows, and a center pressure regulator unit which is designedto carry out a pressure control of a mean pressure of the first pressure chamber and second pressure chamber as part of the position control.,

The invention provides a method for controlling a wind power plant that receive operating command requests via a distributed system comprising a plurality of subsystems each associated with a respective party capable of issuing requests. One subsystem generates a request to operate the wind power plant in accordance with a defined operating command desired by the associated party. The request is broadcast to each of the other subsystems to approve or disapprove the requests. Each subsystem broadcasts to the other subsystems if it approves the request, and each subsystem maintains a database including a record of which subsystems have approved the request. The wind power plant is controlled based on which subsystems have approved the request, where at least one subsystem other than the subsystem that generates the request needs to have approved the request before the plant implements the defined operating command.

The invention discloses a motor control device, a motor controller and a motor control method. A motor control device includes: a resolver that calculates a rotation angle of a motor on the basis of a voltage detection value from a stator winding; and a motor controller that calculates a rotation angle for control by extrapolating the rotation angle calculated by the resolver based on a time difference between a control timing of the resolver and a voltage sensing timing, and controls the motor by using the rotation angle for control.

Servo motor control (101; 102), which controls a servo motor (20) for driving a machine tool, comprising: a speed command generation unit (1) configured to generate a speed command value of the servo motor (20); a speed detection unit (2) configured to detect the speed of the servo motor (20); a torque command generation unit (3) configured to generate a torque command value of the servo motor (20) based on the velocity command value and the detected velocity; a sinusoidal wave generation unit (4) configured to generate a sinusoidal disturbance wave; a frequency response calculation unit (5) configured to add the sinusoidal disturbance value generated by the sine wave generation unit (4) to the velocity command value, thereby generating a frequency response based on an output from a velocity control loop (10). 1 is calculated when the sinusoidal disturbance value has been entered into the speed control loop (10), which includes the torque command generation unit (3) and the speed detection unit (2); a resonant frequency detection unit (6) configured to detect a resonant frequency, which is a frequency at which an amplification of the calculated frequency response 1 maximized; a resonant frequency storage unit (7) configured to store the resonant frequency detected by the resonant frequency acquisition unit (6); at least one filter (8) configured to attenuate a specific frequency band component contained in the torque command value; and a resonance frequency comparison unit (9) which is configured to measure the stiffness of a machine tool on the basis of the resonance frequency stored in the resonance frequency storage unit (7) and to adjust the filter (8) with respect to the resonance frequency.

This invention relates to the field of wastewater treatment and addresses the problem of the inability to automatically adjust the flocculant dosage according to the specific wastewater conditions. Specifically, it is a wastewater treatment dosing system applicable to wastewater flocculation separation sedimentation tanks. In this invention, data on the wastewater to be treated and external environmental interference factors are collected. The flocculant dosage is generated through dynamic model simulation. The flocculation results are then analyzed to determine if the flocculant dosage is sufficient, preventing insufficient flocculant addition. The simulation model for flocculant dosage is automatically corrected and adjusted. Simultaneously, the wastewater flocculation process is monitored, and analysis is performed to determine if excessive flocculant is added, preventing over-dosing. This achieves the goal of automatically dispensing the appropriate amount of flocculant according to wastewater treatment needs and automatically optimizing the accuracy of the flocculant dosage simulation, thereby improving the intelligence level of the wastewater treatment dosing process.

Systems and procedures for controlling the fuel supplied to the cylinders of an internal combustion engine are described. In one example, the fuel is controlled in response to an output from two different fuel control units on an external circuit. The fuel can be controlled according to the individual, separate outputs of the external circuit's control units or the combined outputs of the two different fuel control units.

Computer-implemented method for generating a control signal for a fully actuated hydraulic working system, wherein the control signal is generated for the time tn, wherein the hydraulic working system comprises two control loops (12, 14), wherein the first control loop (12) generates a control signal (20) and wherein the second control loop (12) generates a desired signal (18) for the first control loop (14), wherein the method comprises the following steps: - Recording system states (22) at earlier times tm <n des hydraulischen Arbeitssystems; - Generating the target signal for the second control loop according to the operator's request, taking into account the system limitations - generating the target signal (18) for the first control loop (14) from previous control signals (20) of the first control loop (14) and the detected system states (22) and using a correction model, wherein the correction model models the deviation of the measured working trajectory from a planned working trajectory; - generating a control signal (20) with the first control loop (14) from the desired signal (18) of the second control loop (12) and the detected system states (22); and - Controlling the hydraulic working system with the control signal (20).

In accordance with one or more embodiments herein, an arrangement for additive manufacturing by selective fusion, using an electron beam, of a three-dimensional product from a powder bed, is provided. The arrangement comprises at least one electron detecting arrangement arranged to detect powder smoke by detecting electrons which have been scattered by the electron beam hitting powder particles which levitate above the powder bed. Also provided is a method for detecting powder smoke during additive manufacturing, the method comprising: arranging at least one electron detecting arrangement in an arrangement for additive manufacturing by selective fusion, using an electron beam, of a three-dimensional product from a powder bed; detecting electrons which have been scattered by the electron beam hitting powder particles which levitate above the powder bed; and determining whether there is powder smoke based on the output from the at least one electron detecting arrangement.

A system for charging a plurality of worker devices for use by a plurality of users is disclosed. The system includes one or more charging stations, each charging station including a plurality of storage housings, one or more detection devices, and an identification device, and a controller. The controller is configured to selectively lock and unlock the plurality of worker devices in the plurality of storage housings of the one or more charging stations, electrically charge the plurality of worker devices when locked in the plurality of storage housings of the one or more charging stations, and validate an identity of the plurality of users with the identification device of the one or more charging stations when the plurality of users removes or returns the plurality of worker devices to the plurality of storage housings of the one or more charging stations.

The invention relates to a hydraulic system (100) comprising: - a hydraulic consumer (10); - a control pump (30); - a control valve (36); and - a system controller (40) for dynamic position control of the hydraulic consumer (10), the system controller (40) a pump controller (42) for controlling the control pump (30) and a valve regulator (44) for controlling the control valve (36); wherein the valve controller (44) is configured to control the control valve (36) on the basis of a target position (46) of the hydraulic consumer (10), on the basis of a comparison (48) of the target position (46) with an actual position (28) of the hydraulic consumer (10) and on the basis of a gain factor (50) of the control pump (30) depending on a limit value.

This invention discloses a method, system, and storage medium for complex system state calculation and action generation based on structured constraints, belonging to the technical fields of complex system operation control, state analysis, intelligent calibration, and computer implementation. The method acquires multi-dimensional physical state input of a complex system, performs state calculation based on preset structured constraints, and obtains at least two different-dimensional state representation quantities. These state representation quantities include at least a first state representation quantity representing the degree of deviation of the current state from the target working domain and a second state representation quantity representing the evolution trend or directional relationship of the current state. Based on the state representation quantities, basic action quantities are generated, and based on the basic action quantities and action projection relationships, action output information is generated. Based on the structured constraints, constraint verification, projection correction, or output condition judgment is performed on the action output information, and the processed action output information is output. The action output information includes at least one of control quantities, state classification results, action direction suggestions, priority suggestions, and suggestion adjustment ranges. This allows the invention to cover multiple implementation paths, such as individual judgment, suggestion output, post-judgment control, and direct control, and is applicable to engines, powertrains, wind turbines, rocket vertical recovery, and other multivariable coupled and strongly nonlinear systems.

Provided is a technique for the polymerization of polyurethane. For example, one or more embodiments described herein can include synthesizing polyurethane by a polymerization reaction carried out in a flow reactor. The polymerization reaction can polymerize a diol with a diisocyanate.

The invention relates to a method for controlling an electric drive (4, 6) of a hydraulic pump (2) in a hydraulic system comprising at least one hydraulic consumer (10), wherein the electric drive is controlled by a manipulated variable and wherein the at least one hydraulic consumer (10) is supplied with hydraulic fluid by the pump (2) based on consumer requirements, comprising: determining (110) a first value (42) for the manipulated variable by means of a pressure regulator (40) that regulates a pump pressure (38) of the pump to a target pump pressure (36) determined by the consumer requirements; determining (120) a second value (52) for the manipulated variable by means of a speed controller (50) that regulates a speed (46) of the pump to a target pump speed (44) determined by the consumer requirements; determining (130) a third value (56) for the manipulated variable from the first and the second value;a determination (140) of one or more limit values ​​(82, 102) for the manipulated variable by means of respective controllers (96, 98), by which one or more limit values ​​(80, 90) of the hydraulic system are controlled to one or more limit setpoints (78, 88); a determination (150) of a control value (60) for the manipulated variable from the third value and the one or more limit values; and a control (160) of the electric drive with the control value (60).;