Abstract: A system, method, and computer program product are disclosed. The method includes receiving a first text unit, extracting features from the first text unit, receiving a second text unit, extracting features from the second text unit, receiving a portion comprising the first text unit and the second text unit, and aggregating the features extracted from the first text unit and the features extracted from the second text unit. The method also includes generating a set of scores for the first text unit, the second text unit, and the portion, and based on the set of scores, selecting at least one ground truth candidate from the first text unit, the second text unit, and the portion. Additionally, the method includes determining that the at least one ground truth candidate includes at least one confirmed ground truth, and adding the at least one confirmed ground truth to a ground truth repository.

Abstract: An object is to make it possible to acquire a parameter or a first physical quantity that has been learned and an evaluation function value and thereby check the progress or the result of machine learning. An output device includes: an information acquisition unit which acquires, from a machine learning device that performs machine learning on a servo control device for controlling a servo motor driving the axis of a machine tool, a robot or an industrial machine, a parameter or a first physical quantity of a constituent element of the servo control device that is being machine learned or has been machine learned and an evaluation function value; and an output unit which outputs information indicating a relationship between the acquired parameter, the first physical quantity or a second physical quantity determined from the parameter and the evaluation function value.

Abstract: Provided is a control device capable of controlling the operation of a control target according to a detected external force. A control device (200) includes a control unit (210-1) that compares a first external force detected by a force sensor provided in a control target and a second external force estimated on the basis of a torque detected by a torque sensor provided in an a movable portion of the control target, the movable portion enabling the force sensor to be movable, and controls the operation of the control target by correcting a torque command value on the basis of a result of the comparison.

Abstract: Disclosed is a control device of a plant.

Abstract: Systems, methods, and other embodiments described herein relate to improving controls in a device according to risk. In one embodiment, a method includes, in response to receiving sensor data about a surrounding environment of the device, identifying objects from the sensor data that are present in the surrounding environment. The method includes generating a control sequence for controlling the device according to a risk-sensitivity parameter to navigate toward a destination while considering risk associated with encountering the objects defined by the risk-sensitivity parameter. The method includes controlling the device according to the control sequence.

Abstract: The invention relates to enhanced adjusting of the control variables for a DC-DC converter comprising multiple DC-DC converter modules (30-1, 30-2). For this purpose, alongside the conventional controlling of the individual DC-DC converter modules, an additional correction variable (K-1, K-2) is determined which can be added to the control variable (R4-1, R4-2). In particular, the correction variable can take into account individual properties of the DC-DC converter modules, such as component tolerances or similar. For this purpose, correction values suitable for the individual DC-DC converter modules can be determined in advance and stored in a non-volatile storage means. Using these previously stored links, the control variables for the individual DC-DC converter modules can be individually adjusted.

Abstract: A system for data transmission between two devices, including an output device having a binary output interface and a first field device having a binary input interface connected in a signal-transmitting manner to the binary output interface via a unidirectional connection. The output device includes a signal processing module which is set up to convert a data set to be transmitted to a binary, discrete-time signal in accordance with a serial protocol. The first field device includes a signal processing module which is set up to convert the received binary, discrete-time signal to the data set in accordance with the serial protocol. The invention further relates to a valve system.

Abstract: A steady state and transition state multi-variable control method of a turbofan engine based on an active disturbance rejection control theory (ADRC) belongs to the technical field of aero-engine control. Firstly, multiple groups of manipulated variables and controlled variables of a turbofan engine are preliminarily selected, and then the manipulated variables and controlled variables with high correlation are further determined by a correlation analysis method. Each group of control instructions is planned as a tracking trajectory by using a tracking differentiator, and is used as the input of a nonlinear proportional-differential controller together with the current state estimated by the extended state observer to calculate the manipulated variables.

Abstract: A diagnostic device for monitoring the operation of a technical plant with an automation system, wherein the diagnostic device includes a data memory in which at least one data set characterizing the operation of the plant with values of process variables can be stored, and an evaluation device, where the diagnostic device is characterized in that the evaluation device is configured to determine a diagnostic statement about the operation of the technical plant based on the data set and at least one self-organizing map and based on a program for controlling a sequence during the operation of the technical plant with repeatedly traversed step sequences via a Dynamic Time Warping method.

Abstract: A system includes a motor and a motor controller coupled to the motor. The motor controller includes a current sense circuit configured to: receive a first phase current sense measurement on a first measurement path; receive the first phase current sense measurement on a second measurement path; receive a second phase current measurement on the first measurement path; receive the second phase current on the second measurement path; average the first phase current sense measurement on the first measurement path with the first phase current sense measurement on the second path; and average the second phase current sense measurement on the first measurement path with the second phase current sense measurement on the second path.

Abstract: A controller for controlling a pneumatic or hydraulic actuator of a process device includes a position feedback signal input for receiving a measured position signal representing a position of the actuator or the process device, an actuator pressure output, and a pressure sensor for measuring the actuator pressure. The controller is configured to operate in a measured position feedback mode and a simulated position feedback mode. In the measured position feedback mode the actuator is controlled dependent on a setpoint position and the measured position, and in the simulated position feedback mode the actuator is controller based on the setpoint position and a simulated position of the actuator or the process device. The simulated position is derived from the measured actuator pressure by a simulation model.

Abstract: The disclosure discloses a customized harmonic repetitive controller and a control method, and belongs to the field of repetitive controllers for industrial control. In the repetitive controller, a periodic signal generator formed by three time-delay modules and a positive feedforward gain module is taken as a whole to form a forward path, and an internal model of a periodic signal is constructed in the form of outputting positive feedback. Therefore, the structure of the repetitive controller conforms to a standard internal model construction method, the repetitive controller has an order expanding capability, the flexibility of the controller is greatly improved, the disturbance canceling speed of the controller is increased, and the repetitive controller is simple in structure and convenient to design.

Abstract: Systems and methods for simulating and controlling a power system in real time, using a controller, are provided. The controller includes a simulation layer to simulate an operation of the power system, a disturbance generation layer to provide data to the simulation layer to disturb the simulated operation of the power system, an application layer to display the simulated operation of the power system and generate a control signal to control, based on the simulated operation of the power system, at least one element of the power system, and a distributed data streaming server (D2S2) to allow interoperability among the simulation layer, the disturbance layer, and the application layer.

Abstract: An integration server manages production in a manufacturing line that includes a first stage and a second stage carried out after the first stage. The integration server includes a communicator that acquires a first production log and a second production log. The first production log includes a first production count of processing objects in the first stage. The second production log includes the number of processing objects in the second stage. The integration server also includes an irregularity detector that detects the presence of irregularity in the first production log and the second production log on the basis of the first production count and the number of the processing objects in the second stage.

Abstract: An engine assembly includes an engine and a plurality of actuators. The plurality of actuators includes a first turbine serially connected to a second turbine, the first turbine being a relatively high pressure turbine and the second turbine being a relatively low pressure turbine. A controller is configured to transmit respective command signals to the plurality of actuators. The controller is programmed to obtain respective transfer rates for the plurality of actuators based at least partially on an inversion model. The controller is programmed to control an output of the engine by commanding the plurality of actuators to respective operating parameters via the respective command signals. Prior to obtaining the respective transfer rates, the controller is programmed to determine a respective plurality of desired values and respective correction factors for the plurality of actuators.

Abstract: A flowchart of a process plant is compiled by linking graphical process objects representing operator-controllable and observable facilities of the plant when planning a process plant, wherein the process in the process plant is simulated with reference to simulation models assigned to the graphical process objects during a simulation phase, where simulation models include energy consumption models that describe the electrical energy consumption of the respective facilities to be described as a function of measurable or known process variables in the plant and hence enable simulation and optimization of the automation with respect to electrical energy consumption and energy efficiency.

Abstract: At least one controllable source of visible light is configured to illuminate a space to be utilized by one or more occupants. A controller causes the source(s) to emit light in a manner that varies at least one characteristic of visible light emitted into the space over a period of time at least in part in accordance with a chaotic function. Responsive to user input, sensed activity, and/or acquired information, the source(s) are controlled by the controller in accordance with a lighting control function which may be modified based on learning by a device or system including the controller.

Abstract: Methods and systems are provided for fabricating and measuring physical features of a semiconductor device structure. An exemplary method of fabricating a semiconductor device structure involves obtaining raw measurement data for a wafer of semiconductor material from a metrology tool and adjusting a measurement model utilized by a metrology tool based at least in part on the raw measurement data and a value for a design parameter. The wafer has that value for the design parameter and an attribute of the semiconductor device structure fabricated thereon, wherein the measurement model is utilized by the metrology tool to convert the raw measurement data to a measurement value for the attribute.

Abstract: A control method is provided for an electric motor which drives an apparatus through a gear unit. The method includes generating a gear output and input speed signals, low pass filtering the gear speed signals and subtracting the filtered gear input speed signal from the filtered gear output speed signal to provide a relative speed signal. The method also includes high pass filtering the relative speed signal, multiplying the filtered relative speed signal by damping gain value to generate a backlash compensation torque value, and subtracting the backlash compensation torque value from an apparatus control torque value to generate the desired motor torque value.

Abstract: A system for making PET objects including a means for reacting a first PET precursor and a second PET precursor to produce a PET melt; a means for flowing the PET melt to a valve having at least two outlets; a means for flowing the PET melt from at least one of the at least two outlets to at least one die forming line and one pelletizing (cutter) line. A means for controlling individually the mass flow of the PET melt in each of the at least two system lines independently of the other and a means for forming the PET objects from the PET melt. The control scheme is a combination of a feed forward system as well as a feedback loop. The entire control scheme is part of the overall system PLC. The fine tuning of the pressure at the outlet of the die forming loop is controllers to less than +/?1 bar to obtain maximum control of formed part.

Abstract: A method for controlling the operation of an arrangement of at least two electric machines coupled to different wheels of a motor vehicle and connected to a battery which provides an actual minimum and maximum limiting current for the electric machines. Desired torques are provided for the electric machines by a drive control logic. A desired current resulting from the desired torque is ascertained for each electric machine, and the sum of the desired currents are compared with the maximum and minimum limiting current. If the sum lies outside an interval defined by the limiting currents, the desired currents are adjusted using at least one change rule such that the sum of the desired currents lies within the interval. Adjusted desired torques are determined from the adjusted desired currents and used to control the electric machines.

Abstract: A therapeutic laser with a source of pulsed electromagnetic radiation, a control device for controlling the intensity and/or the duration of the therapeutic laser applied to the tissue, and a detection device for detecting optoacoustic signals triggered by irradiating the living tissue with the pulsed electromagnetic radiation. The therapeutic laser is characterized by an evaluation device that acts on the control device and is used for calculating a degree of quality B(t) from the optoacoustic signals detected by the detection device for individual laser pulses applied to a predetermined laser spot and determining a fit function f(t) at a predetermined point in time ?t1, the fit function f(t) approximating the mean curve of B(t) for 0?t??t1. The intensity and/or the irradiation time of the therapeutic laser is defined by the parameters for the predetermined laser spot, the parameters being determined for the fit function f(t).

Abstract: The present invention provides methods and apparatus for controlling gas flow to a semiconductor-processing chamber. The invention includes deactivating ratio setpoint feedback control in a flow ratio controller; initiating gas flow through the flow ratio controller; moving valves of the flow ratio controller to a preset position based on a stored position when an upstream pressure reaches a stored upstream pressure value, wherein the stored position and the stored upstream pressure value were stored during a prior process run; determining that steady state flow ratio controller output flows have been reached; and activating ratio setpoint feedback control in the flow ratio controller. Numerous additional features are disclosed.

Abstract: A system for controlling a machine includes a first model, a second model, a controller, and a comparator. During a first cycle, the first model generates a response signal to the controller while the second model generates a predicted parameter signal. During the first cycle, the comparator transmits a feedback signal to the second model if a predetermined threshold is not met. A method for controlling a machine includes transmitting a response signal from a first model to a controller, generating a control signal to the machine, and generating a predicted parameter value in a second model. The method further includes transmitting a feedback signal to the second model if a predetermined threshold is not met.

Abstract: A method and an apparatus according to an embodiment of the invention includes a controller to process a criterion for selecting a point-of-interest (POI). The criterion can be based on historical trip data. Data related to a POI, including a community-of-interest rating, for example, can be accessed through a satellite and terrestrial mobile communication network. Multiple POIs can be graphically represented for user selection based on the criterion and/or other data. Once a POI is selected, data related to the selected POI, including navigation data, can be displayed. In another embodiment, the controller can access navigation data to a specified destination. The navigation data can be based on historical trip data such as route segments and destination areas. The navigation data can be accessed from an in-vehicle system or from a navigation service provider and can be displayed to assist a user in reaching the specified destination.

Abstract: A disk drive is disclosed comprising a servo control system operable to actuate a head over a disk. A disturbance signal is generated in response to a vibration, and the disturbance signal is filtered with a first filter comprising a frequency response to generate a filtered disturbance signal. The filtered disturbance signal is filtered with a model of the servo control system to generate a compensated disturbance signal. An error signal of the servo control system is filtered with a second filter comprising the frequency response to generate a filtered error signal. An adaptation control signal is generated in response to the compensated disturbance signal and the filtered error signal, and an adaptive filter is adapted in response to the adaptation control signal, wherein the adaptive filter filters the disturbance signal to generate feed-forward compensation values applied to the servo control system to compensate for the vibration.

Abstract: A novel 3-Input-3-Output (3×3) Fuel-Air Ratio Model-Free Adaptive (MFA) controller is introduced, which can effectively control key process variables including Bed Temperature, Excess O2, and Furnace Negative Pressure of combustion processes of advanced boilers. A novel 7-input-7-output (7×7) MFA control system is also described for controlling a combined 3-Input-3-Output (3×3) process of Boiler-Turbine-Generator (BTG) units and a 5×5 CFB combustion process of advanced boilers. Those boilers include Circulating Fluidized-Bed (CFB) Boilers and Once-Through Supercritical Circulating Fluidized-Bed (OTSC CFB) Boilers.

Abstract: A system for operating a process includes a processing circuit that uses a self-optimizing control strategy to learn a steady-state relationship between an input and an output. The processing circuit is configured to switch from using the self-optimizing control strategy to using a different control strategy that operates based on the learned steady-state relationship.

Abstract: A servo controller, capable of controlling the motion of a movable body with high accuracy, without depending on the position of the movable body which is moved on a ball screw. The servo controller has a position command generating part which generates a position command value; a velocity command generating part which generates a velocity command value based on the position command value and a position detection value; a torque command generating part which generates a torque command value based on the velocity command value and a velocity detection value; and a position compensation calculating part which calculates an amount of expansion/contraction of the ball screw based on a distance from the servomotor to a nut threadably engaged with the ball screw and the torque command value, and calculates a position compensation based on the amount of expansion/contraction.

Abstract: A feed forward system includes an input device configured to receive a desired response of the mechanical system and a trainable system configured to generate a feed forward signal that drives the mechanical system based on the desired response. The trainable system is trained based on a plurality of measured responses of the mechanical system.

Abstract: In one implementation, an environmental controller operates a cooling system in an electronic device. The environmental controller includes a closed loop control system for operating a cooling fan at a target speed. The environmental controller may select the target speed based on one or more temperature sensors. The environmental controller may select the target speed based on the speeds of additional fans or the fans may be controlled in unison. The closed loop control system includes a proportional weight. When a measured cooling fan speed deviates from the target speed by more than a threshold error value, the proportional weight is constant. As the measured cooling fan speed approaches the target speed, and the threshold error value is crossed, the proportional weight is variable. The variance may be a function of time such as a periodic stair step function.

Abstract: Methods, systems, and computer program products for compensating unstable linear time-invariant due to input nonlinearities are described. In one implementation, compensating a controlled device may include controlling the controlled device using feedforward control. In another implementation, compensating the controlled device may include controlling the controlled device using feedback control.

Abstract: A control system for using a predictive control with a control process having a time delay includes an adaptive feedback controller and a predictor. The predictor uses at least an adaptively updated control parameter from the adaptive feedback controller to predict the output of the control process during the time delay. The control system further includes a filter that dampens the rate of change of the adaptively updated control parameter provided to the predictor from the adaptive feedback controller to slow the adaptation of the predictor relative to the adaptation of the adaptive feedback controller.

Abstract: A position control system to control the position of a movable object, including a position measurement system configured to determine an actual position related quantity of the movable object; a set-point generator to provide a position related set-point signal of the movable object; a comparator to provide an error signal on the basis of a comparison of the actual position related quantity and the position related set-point signal, a controller to provide a control signal on the basis of the error signal, a feed-forward device to provide a feed-forward signal on the basis of the position related set-point signal, and one or more actuators to act on the movable object on the basis of the control signal and the feed-forward signal, wherein the feed-forward device includes a disturbance force correction table including estimations of disturbance forces exerted on the movable object in dependence of a position of the movable object.

Abstract: In a method for supplying a resource to an entity from a resource actuator, a plurality of physics-based models pertaining to the resource actuator and the entity are developed, a condition detected at the entity is received, feedback control on a resource demand of the entity employed based upon the detected condition, feed forward control on the resource demand of the entity is employed based upon the detected condition and the plurality of physics-based models, a constraint optimization problem having an objective function and at least one constraint using the plurality of physics-based models is formulated, a solution to the constraint optimization problem is determined, in which the solution provides the actuator setting, and the resource actuator is set to the actuator setting to supply the entity with the resource from the resource actuator.

Abstract: Multiple designs, systems, methods and processes for controlling a system or plant using an extended active disturbance rejection control (ADRC) based controller are presented. The extended ADRC controller accepts sensor information from the plant. The sensor information is used in conjunction with an extended state observer in combination with a predictor that estimates and predicts the current state of the plant and a co-joined estimate of the system disturbances and system dynamics. The extended state observer estimates and predictions are used in conjunction with a control law that generates an input to the system based in part on the extended state observer estimates and predictions as well as a desired trajectory for the plant to follow.

Abstract: A centralized-monitoring apparatus, which centralized monitors a device including a storage, a temperature sensor to detect a temperature therein, and a temperature-variable device to cool or heat inside the storage such that the temperature reaches a set object-preservation temperature, comprises: an input device to be input with first information indicative of a time zone in which the temperature-variable device performing power-saving operation and second information indicative of a set temperature of the time zone; a storage device to store the first-and-second information from the input device; a timing device to measure a current time; and a control device to control the temperature-variable device, based on the first-and-second information and current time, so as to start operation of turning the temperature to the set temperature when the current time reaches a starting time of the time zone, and terminate the operation when the current time reaches an ending time thereof.

Abstract: A method and an apparatus according to an embodiment of the invention includes a controller to process a criterion for selecting a point-of-interest (POI). The criterion can be based on historical trip data. Data related to a POI, including a community-of-interest rating, for example, can be accessed through a satellite and terrestrial mobile communication network. Multiple POIs can be graphically represented for user selection based on the criterion and/or other data. Once a POI is selected, data related to the selected POI, including navigation data, can be displayed. In another embodiment, the controller can access navigation data to a specified destination. The navigation data can be based on historical trip data such as route segments and destination areas. The navigation data can be accessed from an in-vehicle system or from a navigation service provider and can be displayed to assist a user in reaching the specified destination.

Abstract: In a processing apparatus having: moveable parts disposed to form a predetermined processing environment within a processing chamber in which a predetermined processing is performed on an object to be processed; and a control means for controlling the operation of each of the moveable parts, abnormality inclusive of deterioration with time of the moveable parts constituting the processing apparatus is made to be easily judged. There is provided a vibration detection means for detecting the waveforms of vibrations that occur accompanied by the operation of the moveable parts. When control is made from the control means in order to operate any one of the moveable parts, there are obtained event data corresponding to the control and the waveforms of vibrations of all the moveable parts that are operating simultaneously at the time in question.

Abstract: A method and system for controlling a multivariable system. The method includes: (a) generating bias data as a function of model error in an on-board model; (b) updating a dynamic inversion algorithm with one or more model terms generated by the on-board model; (c) generating effector equation data by processing reference value data with the updated dynamic inversion algorithm, which effector equation data is indicative of one or more goal equations and one or more limit equations, and which reference value data is indicative of one or more goal values and one or more limit values and is determined as a function of predicted parameter data; (d) at least partially adjusting at least one of the reference value data and predicted parameter data for the model error using the bias data; and (e) generating one or more effector signals by processing the effector equation data with an optimization algorithm.

Abstract: A method includes obtaining information identifying a predicted trajectory of material-based measurements associated with a transfer of material. The method also includes obtaining actual material-based measurements during the transfer of the material and determining whether the actual material-based measurements fall outside of the predicted trajectory. The method further includes identifying a problem with the transfer of the material if at least one of the actual material-based measurements falls outside of the predicted trajectory. The method may also include generating the predicted trajectory of the material-based measurements using historical data associated with one or more prior transfers, such as historical data associated with at least one pump to be used during the transfer of the material. The actual material-based measurements could include measurements of a level and/or a volume of the material in a tank.

Abstract: In some embodiments, a method of using feedforward to control a system component may include determining if a feedforward term exists in a feedforward table for a received operating set point. If a feedforward term does not exist, the system component may be incremented until the system is within a first acceptable tolerance of the desired set point. In some embodiments, a measure of steady state error may be determined and compared to a second acceptable tolerance. If within the acceptable tolerance, the corresponding feedforward term may be recorded in the feedforward table. In some embodiments, if the feedforward term exists for the operating set point, the system component may be controlled using controller output that corresponds to the feedforward term. When a change to the system is detected that is associated with possible changes to the feedforward values, new feedforward values may be generated for the feedforward table.

Abstract: Multiple designs, systems, methods and processes for controlling a system or plant using an extended active disturbance rejection control (ADRC) based controller are presented. The extended ADRC controller accepts sensor information from the plant. The sensor information is used in conjunction with an extended state observer in combination with a predictor that estimates and predicts the current state of the plant and a co-joined estimate of the system disturbances and system dynamics. The extended state observer estimates and predictions are used in conjunction with a control law that generates an input to the system based in part on the extended state observer estimates and predictions as well as a desired trajectory for the plant to follow.

Abstract: A device for controlling the motion of a fluid actuator which includes an electrically operated control valve that controls the flow of a pressurized fluid to and from the fluid actuator in response to signals generated by an actuator controller which uses an on-board, user programmable microprocessor where the user can download various control algorithms into the microprocessor for controlling the motion of the actuator based on such parameters as fluid pressure and flow rates and actuator displacement. Various external sensors can be connected to the controller for monitoring and control purposes using various signal interfaces such as an analog to digital converter or an SSI interface.

Abstract: Controller scaling and parameterization are described. Techniques that can be improved by employing the scaling and parameterization include, but are not limited to, controller design, tuning and optimization. The scaling and parameterization methods described here apply to transfer function based controllers, including PID controllers. The parameterization methods also applies to state feedback and state observer based controllers, as well as linear active disturbance rejection controllers. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the application. It is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: The present invention relates to a compact motorized rotational stage for microscopy applications and control methods for automated sample orientation/rotation. The rotational stage includes a motor, a rotational motion transmission mechanism, and a rotating sample holder for accommodating a holding device such as glass slides/Petri dishes of different sizes. Mouse embryos are used as an example to explain the control methods. A pattern recognition utility was developed for identifying mouse embryo structures. The transformation between the holding device rotational coordinate frame and the translational positioning stage coordinate frame is calibrated during image-based visual servo control. The polar body of an embryo is oriented through purely image-based visual servo control or through coordinate transformation and closed-loop position control.

Abstract: A sensor arrangement, particularly for a passenger protection system of a motor vehicle, comprising a first group of sensors (10, 12) by means of which a first group of state parameters jointly usable by a first decision making unit connected downstream for detecting a first event can be detected, a first digital unit (20) coupled on the input side to at least one sensor (12) of the first sensor group. The arrangement processes the sensor output signals fed thereto and providing the same for forwarding to the first decision making unit as digital values. A second group of sensors (14, 16, 18), by means of which a second group of state parameters jointly useable by a second decision making unit is connected downstream for detecting a second event can be detected with a second digital unit coupled on the input side to at least one sensor (16, 18) of the second sensor group.

Abstract: A system and method are provided for integrated management of a biofuel distillation process and a biofuel dehydration process of a biofuel production process, comprising a dynamic multivariate model-based controller coupled to a dynamic multivariate predictive model. The model is executable to: receive distillation and dehydration process information including biofuel compositions, receive an objective for biofuel production output from the distillation and dehydration processes, e.g., target product composition, production rate, and/or feed rate, and generate model output comprising target values for a plurality of manipulated variables related to the distillation and dehydration processes in accordance with the objective. The controller is operable to dynamically control the biofuel production process by adjusting the plurality of manipulated variables to the model-determined target values in accordance with the objective for biofuel production.

Abstract: The described system and method provide improved transmission performance and response with closed loop torque feedback by implementing situational gain scheduling and nonlinear control techniques for continuously variable transmissions. The system uses contextual information regarding the operation of the machine to determine a gain to be applied in associated PID control logic. In an embodiment, the determined gain is applied in the integral portion of the closed loop controller.

Abstract: The present invention provides a method for feedback control and a device using the same, wherein the device comprising a sensing layer for generating a plurality of sensing signals with respect to the at least one kind of characteristics on the sensing layer, and a driving layer for changing the surface status of the sensing layer. The control method is started a step of acquiring the plurality of sensing signals within a first specific time interval and establishing a first prediction model accordingly, then predicting a distribution status with respect to the at least one kind of characteristic on the sensing layer at a specific time point according to the first prediction model, and finally, determining whether to change the surface status of the sensing layer according to the distribution status.