41results about "Automatic controllers" patented technology

The invention relates to a sensor arrangement and a measuring method for measuring the respective concentrations of three gas components in a gas sample (Gp). One gas component is a paramagnetic gas. The gas sample (Gp) is passed through a measuring chamber (2). A magnetic field with an oscillating magnetic field strength is applied to the measuring chamber (2). The thermal conductivity of the gas sample (Gp) and the magnetically modulated thermal conductivity of the gas sample in the measuring chamber (2) are measured. The three concentrations of the three gas components are determined using predetermined densities of the three gas components, as well as the measured thermal conductivity, the measured magnetically modulated thermal conductivity, and the measured density.

Embodiments herein provide methods for monitoring the temperature of fluid delivery pipelines and other components and monitoring systems associated with the methods, wherein the fluid delivery pipeline is used to deliver fluid to a processing space of a processing chamber used in the manufacture of electronic devices, and the other components are outside the processing space of the processing chamber. In one embodiment, a method for monitoring a processing system includes the following steps: receiving temperature information from one or more temperature sensors via a data acquisition device, and receiving background information from a system controller, wherein the system controller is coupled to a processing system including a processing chamber communication room. Here, one or more temperature sensors are disposed in one or more locations outside the processing space of the processing chamber. The background information is related to instructions executed by the system controller to control one or more operations of the processing system.

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.

Method for operating an electric drive system (100) comprising the steps: - Determine whether an instability occurs during the operation of the electric drive system (100), - Determining a corresponding oscillation frequency (f_i) in the case of a detected instability and - Display of the determined oscillation frequency (f_i).

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.

The present invention is directed to improving controllability of an actuator having non-linear characteristics. An actuator according to the present invention includes a first member, a second member configured to operate by driving of the first member, a measurement unit configured to measure a state of the second member, and a quantum-driven control unit configured to, with a signal based on a target state indicated in an instruction issued by an instruction unit and the measured state as input, output a control amount for driving the first member by a quantum operation, wherein the second member operates by driving of the first member with the control amount as input.

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.

A wireless station (STA) (103A) in a wireless local area network (WLAN) (100) performs a method of avoiding media access control (MAC) padding of physical layer convergence protocol data units (PPDUs), such as trigger-based (TB) PPDUs. This method can reduce the current or power consumption of the STA (103A), which in turn can optimize the STA (103A) and, in some cases, the entire WLAN (100). In one example, the method includes the STA (103A) receiving a trigger frame from an access point (AP) (101). The trigger frame specifies the length of the PPDU. The method further includes the STA (103A) generating a TB PPDU based on the specification in the trigger frame. In particular, the STA (103A) generates a PPDU with a length less than the length specified by the trigger frame. The method also includes the STA (103A) transmitting the generated PPDU to the AP (101).

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 purpose of the present invention is to improve the controllability of an actuator having nonlinear characteristics. An actuator for solving this problem according to the present invention comprises a first member, a second member operated by driving the first member, a measurement unit for measuring the state of the second member, and a quantum drive control unit, and a quantum drive control unit that receives an input based on a signal of a target state instructed by an instruction unit and a measurement state, and outputs a control amount for driving the first member through a quantum operation, in which the second member is operated by driving the first member receiving the control amount as an input.

Methods and corresponding wireless devices are disclosed for a wireless device to perform media access control (MAC) padding that avoids physical layer convergence protocol data units (PPDUs), such as trigger-based (TB) PPDUs, etc. The method may reduce the current or power consumption of the wireless device, which in turn may optimize the wireless device, and in some cases, may optimize the entire wireless local area network (100). In one example, the method includes a wireless device receiving a trigger frame. The trigger frame specifies a length of the PPDU. The method further includes the wireless device generating a TB PPDU based on the specification in the trigger frame. In particular, the wireless device generates a PPDU having a length less than a length specified by the trigger frame. The method further comprises the STA (103A) transmitting the generated PPDU to the AP (101).

The present invention is directed to improving controllability of an actuator having non-linear characteristics. An actuator according to the present invention for solving the issue includes a first member, a second member configured to operate by driving of the first member, a measurement unit configured to measure a state of the second member, and a quantum-driven control unit configured to, with a signal based on a target state indicated in an instruction issued by an instruction unit and the measured state as input, output a control amount for driving the first member by a quantum operation, wherein the second member operates by driving of the first member with the control amount as input.

According to some embodiments, a system and method associated with predictive maintenance of a pump and / or valve is disclosed. The method includes monitoring a torque or a force in the valve or the pump via an onboard motion controller. Based on the monitored force, a change in torque or in a current draw associated with a motor moving a rotor in the valve or a shaft in the pump is determined. It is also determined if the change in torque or the current draw is within an acceptable range. In a case that the change in torque or the current draw is within the acceptable range, the torque or the force is continued to be monitored. In a case that the change in the torque or the current draw is outside of the acceptable range, an indication is transmitted to a user and / or a performance of the system is modulated.

The present invention relates to a small urban flood control wall with a self-emergency sensing function. The flood control wall uses a rolling door motor to drive the door leaf to complete the lifting movement. During the non-flood season, it can be completely hidden in the retaining wall groove, without affecting the passage of vehicles and pedestrians, and the lifting of the flood control wall can be controlled by electric, manual, remote control, induction and remote methods, which is convenient and fast. It solves the technical problems that the traditional flood control wall needs to occupy space for storage, and is extremely inconvenient for transportation, installation and use. Once a sudden major flood disaster occurs, due to reasons such as transportation and equipment maintenance, the water source cannot be blocked in time, resulting in huge and heavy losses.

The present invention discloses a zeroing control method, device, and electronic device for an intelligent slope regulator. The method comprises: measuring the height difference between the two ends of the bottom plate of the intelligent slope regulator and the top plate, wherein a first push rod and a second push rod are respectively located at the two ends of the bottom plate of the intelligent slope regulator, and the zeroing height is obtained according to the current setting height of the first push rod and the height difference; the first push rod and the second push rod are both lowered to the lowest point of their respective push rods; the first push rod and the second push rod are raised to the zeroing height; and it is determined whether the height difference between the two ends of the bottom plate of the slope regulator and the top plate is within an error range. If it is within the error range, it is considered that the zeroing setting is completed. The present invention sets the zeroing height according to the height difference between the two ends of the bottom plate of the slope regulator and the top plate and the current setting height of the first push rod, so that the zeroing height matches the current setting height, so that the height change of the push rod is small, the proportional error of the push rods at both ends changes little, and the change amplitude is similar, thereby improving the accuracy of zeroing.

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.

A device for use in a building management system (BMS) is a controller device. The device includes a base comprising a first processor and a base interface, the first processor being configure to provide control operations for a device in the building system, and a first module installable on and removable from the base. The first module includes a first module interface for receiving power from and communicating with the base via the base interface. In some embodiments, the device includes an optional a second module installable on and removable from the base, the second module comprising a second module interface for receiving power from and communicating with the base via the base interface.

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.

The invention relates to a dialysis tank cleaning method, system and terminal, and relates to the field of automation control, and the method comprises the steps: collecting the surface image information of a dialysis tank; responding to the surface image information and preset liquid medicine residue characteristics to obtain a liquid medicine residue distribution condition; generating a flushing angle and a flushing dosage value corresponding to the flushing angle based on the liquid medicine residue distribution condition; obtaining reference flushing duration according to the flushing angle and the flushing dosage value; a preset flushing device is controlled to flush the dialysis tank according to the flushing angle and the flushing dosage value corresponding to the flushing angle, and the flushing duration is collected; when the flushing duration exceeds the reference flushing duration, a preset disinfection device is controlled to disinfect the dialysis tank according to a preset disinfectant dosage value; and controlling the flushing device to flush the dialysis tank according to a preset post-disinfection flushing amount based on a preset reference disinfection time length, and completing flushing after a preset post-disinfection flushing time length. The cleaning device has the effect of improving the cleaning efficiency of the dialysis tank.

The invention relates to a sensor device and a measuring method for measuring respective concentrations of three gas components of a gas sample (Gp). One gas component is a paramagnetic gas. The gas sample (Gp) is guided into a measuring chamber (2). A magnetic field having an oscillating magnetic field strength is applied to the measurement chamber (2). A thermal conductivity of the gas sample (Gp) and a magnetically modulated thermal conductivity of the gas sample in the measurement chamber (2) are measured. Three concentrations of the three gas components are determined, for which purpose the predefined densities of the three gas components and the measured thermal conductivity, the measured magnetically modulated thermal conductivity and the measured densities are used.

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.