227 results about "Set point" patented technology

A method for automated guidance of a vehicle along a specified setpoint trajectory at an actual speed, wherein the setpoint trajectory includes geometric trajectory variables, the method including ascertaining an actual deviation of the vehicle from the setpoint trajectory and outputting the ascertained actual deviation and generating manipulated variables such that the vehicle, in the case of automated control of a drive system and / or a braking system and / or a steering system of the vehicle, moves closer to the setpoint trajectory. The method also includes ascertaining whether an undesirable driving state is present when the vehicle moves closer to the setpoint trajectory, wherein the undesirable driving state is ascertained from the specified setpoint trajectory based on the geometric trajectory variable, and, if the presence of the undesirable driving state is identified, automatically controlling the vehicle based on generated stability variables and / or adapting the setpoint trajectory.

A user interface for controlling an agricultural machine and a method of adjusting a haptic feedback of an user interface including method acts for determining a set point position, determining a current position of the input element, and adjusting a ripple characteristic of at least one ripple according to a second ripple characteristic being different to a first ripple characteristic if the at least one ripple is located within an adjustment range extending between the set point position and the current position of the input element.

A controller for performing automated system identification. The controller includes processors and non-transitory computer-readable media storing instructions that, when executed by the processors, cause the processors to perform operations including generating a predictive model to predict system dynamics of a space of a building based on environmental condition inputs and including performing an optimization of a cost function of operating building equipment over a time duration to determine a setpoint for the building equipment. The optimization is performed based on the predictive model. The operations include operating the building equipment based on the setpoint to affect a variable state or condition of the space and include monitoring prediction error metrics over time. The operations include, in response to detecting one of the prediction error metrics exceeds a threshold value, updating the predictive model.

Systems / techniques that facilitate tailored recommendation for process control by capturing real-time operation practices are provided. In various embodiments, a system can comprise a learning component that can employ a VQ-VAE based generative model to learn correlated patterns of state and control variables. In various embodiments, the system can further comprise a training component that can generate, based on the learned correlated patterns, feasible and infeasible action profiles to produce an infeasible and feasible system response. Furthermore, the feasible action profiles and system responses can be used with an infeasible action penalty to train a surrogate model, from which an analysis component can use to provide a recommendation of feasible and optimal set points of control variables.

The invention discloses a multi-robot affine formation path optimization method driven by a virtual navigator, and the method comprises the steps: firstly setting a point set composed of the virtual navigator and followers, enabling the virtual navigator to form a convex hull and meet an affine localization condition, so as to guarantee that the followers are always located in the convex hull; generating a collision-free reference trajectory of the mass center of the virtual navigator based on a fast random tree algorithm; constructing a nonlinear constraint optimization problem NCO which contains linear transformation constraint and meets smoothness, obstacle avoidance, speed and angular speed constraint; and establishing a communication graph of the virtual navigator and the follower, calculating balance stress, designing a smoother follower distributed differential speed control law, and realizing formation path optimization and obstacle avoidance control. Compared with an existing method, the formation path generation method has the advantages that the smooth and stable formation path fitting the reference trajectory can be generated while obstacle avoidance and physical feasibility are guaranteed, and the cooperative motion capability and the control performance of a multi-robot system in a complex environment are improved.

A computing system for functional integration with a distributed power grid having one or more inverters. The computing system includes processing device(s) to control operation of an inverter by executing a feedback controller with a grid-tied line, of the distributed power grid, treated as a plant and including a unified algebraic control system operating based on a pair of closed-loop variables carried in closed-loop signals of the unified algebraic control system. The processing device(s) control, using the feedback controller, transitions of the inverter between a plurality of operating modes by adjusting a magnitude of the closed-loop signals, which correspond to the pair of closed-loop variables, towards a setpoint of a plurality of setpoints. Each setpoint corresponds to a different operating mode of the plurality of operating modes.

The invention discloses a heat dissipation method of a processor, computer equipment, a storage medium and a program product, and relates to the technical field of processor heat dissipation, and the method comprises the following steps: when a target processor power consumption mode is a high power consumption mode, obtaining a target temperature difference and a target processor utilization rate, mapping the target temperature difference and the target processor utilization rate to a corresponding fuzzy set by utilizing a Gaussian function, determining and determining a target value of a heat dissipation parameter combination based on a target temperature difference membership degree and a target processor utilization rate membership degree, and further adjusting the rotating speed of a fan corresponding to a target processor; when the power consumption mode of the target processor is a low-power-consumption mode, a first value of a current temperature set point of the target processor and a second value of an expected temperature set point of the target processor are obtained, and the wind direction of a fan corresponding to the target processor is adjusted based on the first value and the second value. The technical problem that a single heat dissipation strategy is difficult to meet the heat dissipation requirements of different processors is solved, and the technical effect of improving the heat dissipation reliability of the processors is achieved.

A computer system has processing circuitry to control a force feedback unit to progressively increase a force feedback applied to the input device in response to a manual maneuvering of the input device towards a virtual stop position being defined in between an equilibrium position and a mechanical end position of the input device. The virtual stop position is a software-defined set point acting as an intermediate trigger for the input device. The force feedback is progressively increased until it reaches a maximum force feedback at the virtual stop position; and control the force feedback unit to reduce the force feedback applied to the input device at the virtual stop position in response to a force of a manual maneuvering of the input device exceeding the maximum force feedback value.

A method for approximating a friction value includes: determining a load characteristic; determining a setpoint variable of the vehicle; determining a manipulated variable expected value specifying a predicted value of a manipulated variable to be provided to set the setpoint variable, wherein the determination of the manipulated variable expected value is performed using the load characteristic; determining an actual variable corresponding to the setpoint variable; determining a manipulated variable actual value, which is provided at the steering system, in order to modulate the actual variable; determining a manipulated variable deviation between the manipulated variable expected value and the manipulated variable actual value; and / or determining a setpoint-actual deviation between the setpoint variable and the corresponding actual variable; approximating the friction value based on the determined load characteristic and based on the determined manipulated variable deviation and / or the determined setpoint-actual deviation. A driver assistance system is configured to carry out the method.

Various embodiments include systems and methods for controlling power in a computing device based on a number of frames per second (FPS) displayed on the computing device. A computing device may use a combination of power control and FPS control in a cascaded PID loop to enhance stability and / or performance of the device or software application. The cascaded PID loop may include a plurality of PID controllers that are hierarchically organized such that the output of one PID controller is used as the input (or setpoint) of a subsequent PID controller. This cascade configuration may improve control or performance by reducing variability, enhancing response to interference, and enabling more conservative tuning of external loops compared to a single loop control system.

The invention relates to a method for autonomously controlling actuators of an automotive machine (10) which are adapted to influence the path and the speed of said automotive machine, including steps of:acquiring a reference path that said automotive machine should follow,determining a nominal value of at least one parameter enabling the automotive machine to follow the reference path,determining a current value of each of said parameters when said automotive machine follows the reference path,determining a value difference between the current value and the nominal value of each of said parameters, thencomputing, with a computer, a control setpoint for each actuator, according to each value difference, by means of a corrector.According to the invention, the corrector allows jointly computing an exclusively lateral control setpoint of the automotive machine and an exclusively longitudinal control setpoint of the automotive machine.

The invention relates to a method for automated docking of a stationary part (1) with a movable part (2) capable of being moved towards the stationary part by a robot (3), the stationary part (1) and the movable part (2) each comprising an end (4, 5), the two ends forming a docking interface (6). The method comprises the steps of positioning of multiple profilometers around the docking interface so that the docking interface is located in the field of view of the profilometers, determination of a target profile of the end of the movable part, measurement of a profile of the end of the movable part by the profilometers, comparison of the target profile and the measured profile, generating a speed setpoint in the measurement space, and movement of the movable part towards the stationary part (1) by the robot (3) on the basis of this speed setpoint.

The present invention relates to a method for operating a hydrostatic drive system of a mobile working machine, wherein the hydrostatic drive system comprises a hydraulic pump (12) with adjustable delivery volume and at least one hydraulic motor (3) connected to each other in a hydraulic circuit, wherein the hydraulic pump (12) is driven by a drive motor and the at least one hydraulic motor (3) is configured to drive a wheel of the mobile working machine, characterized in that the method comprises the following steps: a) Determining a speed that corresponds to the actual speed of the mobile working machine or to a quantity dependent on it; b) Determining a target speed value that represents a target value for the speed recorded in step a); c) Control of the speed recorded in step a) taking into account the speed setpoint determined in step b) by changing a control variable for the hydraulic pump (12) while a defined speed of the drive motor is requested; d) Increasing the load exerted on the drive motor by the drive system, while in step c) the speed is regulated; e) Storing the current value of the control variable for the hydraulic pump (12) when, during the increase of the load in step d), it is determined that an operating variable of the drive motor or an operating variable of the hydrostatic drive has reached a first target value.

A driving assistance system for an aircraft comprises: a measuring module (4) for measuring the vertical maneuver of the aircraft; a calculating module (5) for calculating a first load factor according to the measured vertical maneuver and according to a set point vertical maneuver; a measuring module (6) for measuring the tilt angle, the pitch rate and the pitch acceleration; a protection module (7) comprising a calculating submodule (71) and a comparing submodule (72), the calculating submodule being configured to calculate a second load factor, the comparing submodule being configured to compare the first load factor with the second load factor to determine an applicable load factor, the applicable load factor being equal to the minimum value between the first load factor and the second load factor; a calculating module (8) being configured to calculate an elevator control according to the applicable load factor; and a sending module (9) being configured to send the elevator control to the autopilot (2). A driving assistance method for an aircraft and such an aircraft are also disclosed.

The method is for operating a wind turbine (100) having a rotatable component (1 to 4) and at least one drive (di) for rotating the rotatable component by exerting torque. The method comprises a step of providing first information (I1) which is representative of the actual position (P_a) of the rotatable component. In a further step, second information (I2) is provided which is representative of a target position (P_t) of the rotatable component. Then, third information (I3) is determined depending on the first and the second information. The third information is representative of a target trajectory (T_t) for the rotation of the rotatable component from the actual position to the target position using a trajectory generator. In a further step, an operating setpoint (OS_i) for the at least one drive is determined depending on the third information such that, when the at least one drive is operated according to the operating setpoint, the drive exerts torque onto the rotatable component so that it starts to follow the determined target trajectory.

The invention relates to an aircraft turbine engine comprising at least one propeller shaft and an electric machine (1), the rotor (3) of which is rigidly connected to the propeller shaft, the electric machine (1) comprising at least three power channels (C1-C4), a control device (4) designed to determine a control parameter for each power channel (C1-C4) as a function of a control command (Com), and a correction device (5) designed to correct the control parameter for each power channel (C1-C4) as a function of the control command (Com). And a correction device (5) designed to correct a precession movement of the rotor (3) relative to the stator (2), the correction device (5) being designed to determine a control command (Com) of the control device (4) as a function of the setpoint command (Comcons) and the precession level (NP), the control command (Com) being designed to generate a total magnetic force (FG) in the opposite direction to the precession movement (P +) of the rotor (3) in order to achieve damping of the precession movement.

A method for controlling a flow regulating valve (6) of a filling machine (1) forming composite packages (2) from a multilayer composite packaging material and filling the composite packages with a pourable filling product, wherein a position of the regulating valve controls the flow of the product filling the packages, the method envisages: implementing a flow feedback control, receiving a flow set point (FSP) and an inlet flow measurement (FIN) and generating a feedback control contribution (CFB) indicative of a difference between the inlet flow measurement and the flow set point; implementing a flow feed-forward control, receiving the flow set point (FSP) and generating a feedforward control contribution (CFF) using fluid-dynamic maps, which map an output position of the regulating valve with respect to flow and pressure values of the filling product; generating a virtual pressure (PV) based on the feedback control contribution (CFB) generated at the output of the flow feedback control module, wherein the flow feed-forward control receives the virtual pressure (PV) and generates at its output the feedforward control contribution (CFF) based on the flow set point (FSP) and the virtual pressure (PV) using the fluid-dynamic maps. The feedforward control contribution (CFF) determines a control signal (Sc) for adjusting an operating position of the flow regulating valve (6).

To condition an operating medium in a test object circuit (PK) of a test object (P) on a test bench to a desired temperature as quickly as possible, the invention proposes providing a mixing unit (3), there being provided, in the mixing unit (3), a mixing region (28) in which operating medium of the test object circuit (PK) can be mixed with preconditioned operating medium from a conditioning circuit (KK) in order to condition the operating medium in the test object circuit (PK) to the predefined setpoint temperature (T_SOLL), there being provided, on the mixing unit (3), for the fluidic integration of the mixing unit (3) in the test object circuit (PK), at least one test object circuit supply connection (26a) and at least one test object circuit outlet connection (26b) which are fluidically connected to one another via the mixing region (28) in order to form a part of the test object circuit (PK), there being provided, on the mixing unit (3), for connection of the mixing unit (3) to a conditioning unit (2) of the conditioning system (1), at least one conditioning unit supply connection (27a) and at least one conditioning unit return connection (27b) which are fluidically connected to one another via the mixing region (28) in order to form a part of the conditioning circuit (KK) for the operating medium.

A method for adjusting a multi-dimensional operating space of a wind turbine includes receiving, via a central multi-dimensional operating space controller, a plurality of signals from a plurality of modified operating space requesters. Each of the plurality of signals includes a data structure having requested set points for a plurality of dimensions in the operating space. The method further includes tracking, via the central multi-dimensional operating space controller, current set points for the plurality of dimensions in the operating space. Moreover, the method includes dynamically determining, via the central multi-dimensional operating space controller, an output signal based on the requested set points, the output signal including one or more changes to the current set points for the plurality of dimensions in the operating space. Additionally, the method includes controlling the wind turbine based on the output signal to provide a modified multi-dimensional operating space.

The invention relates to a method and apparatus for controlling a compressor in a cascade vapour compression system. The process may include controlling operation of the first compressor based on constant band control, and controlling operation of the second compressor based on proportional band control. If the first measurement is within a range associated with the first setpoint, controlling the first compressor based on the constant band control may include operating the compressor at a constant setting. If the first measurement is outside the range, it may also include proportionally adjusting operation of the first compressor. Further, controlling the second compressor based on proportional band control may include operating the compressor based on one of a plurality of proportional bands, each proportional band having a different proportionality coefficient. Controlling second compressor operation may also include switching between the proportional bands based on a second measured parameter.

A method for combining structural performance management techniques with execution of an advanced process control module includes reading, by an advanced process control (APC), process data from an asset. The method includes receiving, by a structural integrity analyzer, from the APC module, a request for an update to an asset integrity constraint for the asset. The structural integrity analyzer executes at least one structural analysis technique to compute at least one modification to make to the asset integrity constraint of the asset. The structural integrity analyzer provides, to the APC module, the at least one modification, responsive to the received request. The APC module identifies at least one updated operational setpoint, based upon the at least one modification. The APC module modifies at least one process parameter in a distributed control system to include the identified at least one updated operational setpoint.

A method for controlling wheel slip in a braking system of a vehicle includes receiving, by an input interface module of a slip control module, information representative of the vehicle and information representative of an estimate of the status of the vehicle, outputting, by the input interface module, input wheel slip control information, determining, by a parameter self-loading module, based on information representative of the vehicle and information representative of an estimate of the status of the vehicle, wheel slip control parameters, determining, by a plurality of wheel slip control enabling modules of the slip control module, a plurality of enabling signals of the wheel slip control, and determining, by each closed-loop wheel slip control module of a plurality of closed-loop wheel slip control modules of the slip control module a setpoint value of a control variable to be applied to a respective corner of the vehicle to minimize error between the defined slip setpoint and the estimated wheel slip value.

Method for monitoring a preloaded rotary table bearing (1) during operation of the rotary table bearing (1) comprising an inner bearing ring (2), an outer bearing ring (3), and at least one series of rolling elements (4.n) which roll on raceways (5.1, 5.2 - 5.6) provided by the bearing rings (2, 3), wherein one of the bearing rings (2) is set in rotation by a drive arrangement (6) and wherein the rotational speed of the bearing ring (2) driven by the drive arrangement (6) is detected and controlled by a control unit (7), characterized in that - the elastic deformations of the bearing ring (2, 3) along or across the axis of rotation DA of the rotary table bearing (1) are detected by at least one sensor (8.n) connected to a bearing ring (2; 3), - at least the sensors (8.n) which detect the deformation of the respective bearing ring (2; 3) are glued to the outer and / or end faces (11; 12) of the respective bearing ring (2; 3), - by means of at least one sensor (8.n) the detected elastic deformation is transmitted to the control unit (7), which is equipped with an evaluation arrangement (9), - values ​​are recorded by a temperature sensor (10) and fed to the evaluation arrangement (9), - in the evaluation arrangement (9) the detected physical deformations are verified on the basis of the values ​​recorded by the temperature sensor (10), - in case of impermissible deviations of the detected deformation from a target value, the applied rotational speed of the driven bearing ring (2; 3) is changed by means of the evaluation arrangement (9).

There is provided an apparatus including: a first acquisition unit which acquires a deviation between a process variable of a state in relation to a control target, and a set point; a second acquisition unit which acquires a control parameter supplied to the control target; a supply unit which supplies the acquired deviation and the acquired control parameter, to a control model that has a plurality of sub-control models respectively associated with a plurality of aspects preset for the state, the control model using a sub-control model associated with an aspect in accordance with the process variable, to output a recommendation control parameter that is recommended to be supplied to the control target, in response to inputs of a deviation and a control parameter; and an output unit which outputs the recommendation control parameter that is output from the control model.

A method for controlling a synchronous electric motor comprising generating 400 a torque reference from a mechanical set point, measuring 405 a position, determining a speed of the motor, measuring 410 a current generated by the motor, generating 445 a voltage reference from the torque reference, and generating 450 a control voltage from the reference voltage. The method comprises monitoring for anomalies in the position measurement and adapting 440 an electrical control gain in response to detecting or not detecting 435 an anomaly in the measurement of the position of the electric motor, where the voltage reference is dependent on the value of the electrical control gain.

This invention provides a collaborative control method for multiple bottleneck ramps and connecting road networks on expressways based on feedback control. This method treats the entire expressway mainline and each sub-region of the urban road network as continuous entities that can be represented by a macroscopic basic graph model, constructing a feedback control system based on real-time traffic detection data. The entire expressway mainline adopts dynamic pre-set point proportional-integral (PI) feedback control based on the macroscopic basic graph, while each urban road network unit adopts classical PI feedback control. The method includes the following steps: S1, construction of the research object and control unit; S2, traffic state parameters and model assumptions; S3, construction of the upper-level control framework; S4, feedback control decision system based on the macroscopic basic graph; S5, allocation and execution of the lower-level control total flow in individual control objects. The method proposed in this invention utilizes a simple and highly robust macroscopic basic graph to efficiently achieve collaborative control of large-scale expressways and urban road networks, thereby improving the overall traffic efficiency of the transportation system and providing a feasible new approach for urban traffic congestion management.

The invention relates to a method for optimizing the energy consumption of a motor vehicle comprising a battery (30), an internal combustion engine (M), an electric machine (ME), a plurality of devices, each characterized by at least one state variable, and a computer (40) capable of controlling the internal combustion engine (M) and the electric machine (ME),said method being notable in that it comprises the steps of:a) defining a prediction period,b) determining the maximum theoretical variation of each state variable over the prediction period,c) determining the range of applicable setpoints in which each setpoint value is selected so that the variation of each state variable satisfies the maximum theoretical variation thereof,d) determining the value of an internal combustion setpoint and the value of an electric setpoint, in the range of applicable setpoints, for which the Hamiltonian function is lowest.

The present invention provides a method for improving the operational behavior of a fluid-driven process, particularly in gas and steam turbines, using a control system. It utilizes the following steps: - Specifying a particular position target value or position target value range and - Switching the drive from a position holding mode to a force holding mode after specifying the position setpoint or position setpoint range or digital signal without considering an actual position value. In an alternative embodiment, the steps of defining a threshold value from measurable values ​​regarding position, pressure, current, torque, or force in a valve in a fluid-driven process and operating a valve actuator in alternating control between two or more manipulated variables are used from the manipulated variables determined in the previous step, preferably using the minimum value from the determined manipulated variables. The invention also provides a device for carrying out at least one of these methods.

The invention provides a control device, wherein a controller is configured to automatically drive an actuator with an interpretation value. The control device has a controller configured to drive an actuator. The control device further comprises a setpoint controller configured to utilize a deviation between a machine-learned interpretation value and a machine-learned standard interpretation value. The setpoint controller forms a setpoint value for the controller.

The invention relates to a map data processing method and device, equipment and a storage medium. The method comprises the following steps: acquiring a task box generated according to lane line data of a target road and driving track data corresponding to the task box; intercepting data intersected with the task box in the driving track data, and taking the data as intersection data; selecting a plurality of set points from the intersection data; projecting the plurality of set points to one side edge, parallel to the driving direction, of the task box to obtain a plurality of projection points; calculating an accumulated distance between every two adjacent projection points; and judging whether the accumulated distance and the length of the side edge, parallel to the driving direction, of the task frame meet a set relation or not, and using intersection data meeting the set relation to generate map data of the target road. And whether the data acquisition requirement is met is judged by combining the driving track, so that the integrity and accuracy of map data are improved.