172results about "Control without using feedback" patented technology

Some aspects include a method for operating an autonomous robot, including: capturing, with a first sensor disposed on the robot, data of an environment of the robot; generating, with the processor, a map of the environment based on at least the data of the environment; localizing, with the processor, the robot within the environment; capturing, with a second sensor disposed on the robot, data of a floor surface; determining, with the processor, a floor type of areas of the environment based on the data of the floor surface; and determining, with the processor, settings of the robot based on at least the floor type of the floor surface, wherein the settings comprise at least an elevation of each of at least one component of the robot from the floor surface.

Some aspects include a method for operating an autonomous robot, including: capturing, with a first sensor disposed on the robot, data of an environment of the robot; generating, with the processor, a map of the environment based on at least the data of the environment; localizing, with the processor, the robot within the environment; capturing, with a second sensor disposed on the robot, data of a floor surface; determining, with the processor, a floor type of areas of the environment based on the data of the floor surface; and determining, with the processor, settings of the robot based on at least the floor type of the floor surface, wherein the settings comprise at least an elevation of each of at least one component of the robot from the floor surface.

The invention discloses a method for improving the generation power of a photovoltaic module, and belongs to the field of photovoltaic technology, the photovoltaic module is provided with an angle regulation and control device, the angle regulation and control device is used for changing the setting direction of the photovoltaic module in space, and the method comprises the following steps: obtaining geographic information of the position of the photovoltaic module; determining the relative position of the photovoltaic module and the sun according to the geographic information; determining a first set angle of the photovoltaic module according to the relative position; the first setting angle is a setting angle in the space when the photovoltaic module generates peak power; setting the photovoltaic module according to the first setting angle through the angle regulation and control device so as to improve the generation power of the photovoltaic module; and obtaining shielding object information of the position where the photovoltaic module is located, and correcting the setting angle of the photovoltaic module according to the first setting angle and the shielding object information so as to improve the power generation power of the photovoltaic module. The problem that after the photovoltaic module is arranged, the optimal sunlight cannot be received under the shielding of the environment, so that the optimal output power cannot be achieved is solved.

Systems and methods for triggering a stowing of one or more solar trackers comprise receiving weather data, the weather data including one or more hail parameters, determining the one or more hail parameters exceed a first corresponding one or more hail parameter thresholds, and triggering a stowing of one or more solar trackers. The one or more hail parameters include one or more of a probability of hail, a predicted size of hail, or a predicted location of hail. The systems and methods include one or more of determining the probability of hail exceeds the first hail probability threshold, determining the predicted size of hail exceeds the first hail size threshold, or determining the predicted location of hail exceeds the first threshold distance for trigging the stowing of the one or more solar trackers.

The invention relates to a spraying control method and a spraying machine. The method comprises the steps that S1, target crop image information in a target area in front of a spraying rod is obtained in real time; s2, determining a target nozzle and a corresponding periodic working time parameter according to the target crop image information; and S3, when the spraying rod reaches the target area, the target spraying head performs spraying according to the corresponding periodic working time parameters. According to the invention, the information of the crops to be sprayed in front is acquired in real time, the spray rod is adjusted according to the growth height of the crops, and the target spray head and the working parameters are determined according to the crop distribution, so that the pesticide spraying efficiency and accuracy are greatly improved, and the problem of low pesticide utilization rate is solved.

A system may include a row cleaner configured to apply a pressure to a field and a work vehicle coupled to the row cleaner and configured to traverse through the field, where the work vehicle comprising an engine configured to adjust a speed of the work vehicle. The system may also include a sensor configured to provide sensor data indicative of the field and a controller comprising a memory and a processor, where the controller is communicatively coupled to the row cleaner, the engine, and the sensor. The controller may provide an instruction to adjust the pressure applied by the row cleaner, the speed of the engine, or both based on the sensor data.

A solar tracking carport comprises a supporting structure including a foundation and at least two columns; a three-dimensionally rigid canopy deck having a length from a first edge to a second edge of at least one car, the deck including one or more upper blocks, each upper block being rigid in its longitudinal direction, each upper block including at least one solar panel; a deck frame configured to support the one or more upper blocks, the deck frame including a torque transmitting member; a rotation enabling connection configured to rotatably connect the torque transmitting member to the at least two columns; and a drive system configured to control tilting of the deck about the supporting structure over one axis of rotation to a first maximum angle in a first direction and to a second maximum angle in a second direction.

Shape memory alloys (“SMAs”) may be used within and for many different contexts. The unique structure and makeup of SMAs may be more efficient and effective than existing solutions and may provide more advantageous benefits. For example, SMAs may be used to control direction and flow of water in bathing appliances. As another example, SMAs may be used to control the positioning of water outlets or different fixtures. SMAs may be used to control and adjust bathing products, which may further enhance user experience when handling such products.

The invention discloses an intelligent segmented shutter adjusting method and system based on non-contact measurement of facial physiological indexes, and the method comprises the steps: 1) collecting facial video data of a user, and extracting facial data features; 2) based on the facial data features, instant thermal comfort and visual comfort feelings of the user are determined, and a corresponding adjustment instruction is generated; (3) based on the instant thermal comfort and visual comfort feelings of the user, the priority of segmented shutter adjustment is judged, and the segmented shutter adjustment angle is determined; and (4) according to the adjusting instruction and the segmented shutter adjusting angle, the segmented shutters and the indoor photo-thermal equipment are adjusted, and therefore adjustment of the indoor photo-thermal environment is achieved. The system comprises an information acquisition module, a data processing module and an execution module. Facial physiological indexes are measured and recognized through the non-contact camera, real-time, accurate and non-contact prediction of individual comfort is achieved, then the priority and angle of segmented shutter adjustment are judged, and a comfortable and efficient indoor photo-thermal environment is guaranteed.

The present disclosure may include an ultrasonic generator; a transfer unit coupled to the ultrasonic generator and configured to move the ultrasonic generator in a preset pattern; a sensor configured to detect a movement of the ultrasonic generator; and a control unit configured to: determine a position of the ultrasonic generator based on detection result information by the sensor, and based on the position of the ultrasonic generator not changing while the transfer unit is being driven, determine that the ultrasonic generator is in one of a state of being separated from the transfer unit, a state of being detached, and a state of being stopped.

Positioning system (1) for aligning a coupling component (B), in particular an optical fiber, relative to an optical or electronic application component (A), the positioning system (1) comprising: a base body (10) on which the application component (A) can be fixed, a magnetic field generating device (20) arranged on the base body (10) and designed to generate a levitation magnetic field (M), an actuating element (40) which is mechanically decoupled from the base body (10) and movable relative to it, and comprising: at least one permanent magnet (43) and a holding device (45) for holding the coupling component (B), a levitation control device (60) which, in conjunction with a control device (70) functionally connected to the levitation control device (60),a floating movement of the permanent magnet (43) relative to the base body (10) and a coupling of the coupling component (B) to the application component (A) causes, and methods for aligning a coupling component on an optical or electronic application component,

A portable solar farm may comprise a plurality of solar panels and a collapsible frame coupled to the solar panels. The collapsible frame may be configured to collapse into a compact configuration for storage or transport. The collapsible frame may also be configured to expand to arrange the plurality of solar panels at a common angle for power generation. A wheel system may be coupled to the collapsible frame to facilitate transport of the portable solar farm. The portable solar farm may include a locking mechanism configured to secure the collapsible frame in an expanded position. At least one actuator may be coupled to the collapsible frame. A control system may be configured to operate the actuator to adjust an expansion of the collapsible frame. The control system may determine a geographic location of the portable solar farm and calculate an optimal angle for the solar panels based on the location.

A control system for a solar tracker assembly installation including a plurality of solar tracker assemblies, each of the plurality of solar tracker assemblies including a table supporting photovoltaic modules and rotatable through an angle of inclination. The solar tracker control system includes: a plurality of solar tracker controllers periodically outputting table angle of inclination data and solar tracker assembly operating data for the associated solar tracker assembly; a plurality of weather sensors, each outputting weather condition data; and an array controller in direct, wireless communications with each solar tracker controller and each weather sensor. The array controller analyzing communicated table angle of inclination data, the tracker operating data and the weather condition data and, as required, wirelessly communicating control signals to one or more solar tracker controllers of the plurality of solar tracker controllers to change a table angle of inclination of the one or more solar tracker assemblies.

The invention provides a photovoltaic panel movement control optimization method and a photovoltaic power generation container, and belongs to the technical field of photovoltaic panels, and the method comprises the steps: obtaining the preliminary required electric quantity according to a user activity scene, capturing the future weather information of the user activity scene, constructing a weather matrix, analyzing the weather matrix, and obtaining the optimal electric quantity of the user activity scene; determining a plurality of variables influencing illumination and the influence weight of each variable; analyzing the required electric quantity according to the plurality of variables and the influence weight in combination with the electric quantity conversion efficiency of the single model of the photovoltaic panel, and obtaining the initial number of the required photovoltaic panels; according to an equivalent modeling mode and a minimum cluster number principle, constructing a photovoltaic mobile cluster based on a single block model; each photovoltaic panel in each photovoltaic mobile cluster is controlled to move to an optimal illumination receiving position to construct a power vector, and all the power vectors are analyzed to optimize the corresponding photovoltaic mobile cluster, so that the application efficiency of the photovoltaic panels is improved under the condition that the power demand is met as far as possible.

The invention relates to the technical field of photovoltaic array control, and particularly discloses a photovoltaic array control method and system based on dynamic spacing and synchronous control, and the method comprises the steps: segmenting an area where a photovoltaic array is located, obtaining a plurality of photovoltaic array grids, and obtaining the environment parameters of each photovoltaic array grid; determining an initial arrangement scheme of the photovoltaic array according to the environmental parameters of each photovoltaic array grid, and carrying out analogue simulation on the shielding condition of the photovoltaic array according to the initial arrangement scheme; and determining a shadow shielding area of the photovoltaic array according to an analogue simulation result, and determining a synchronous control scheme of the photovoltaic array according to the shadow shielding area of the photovoltaic array. According to the invention, the photovoltaic array can be optimally arranged based on the environmental parameters of each region, and meanwhile, the photovoltaic modules are synchronously controlled for shadow shielding, so that the power generation efficiency of the photovoltaic array is ensured.

Some aspects include a method for operating an autonomous robot, including: capturing, with a first sensor disposed on the robot, data of an environment of the robot; generating, with the processor, a map of the environment based on at least the data of the environment; localizing, with the processor, the robot within the environment; capturing, with a second sensor disposed on the robot, data of a floor surface; determining, with the processor, a floor type of areas of the environment based on the data of the floor surface; and determining, with the processor, settings of the robot based on at least the floor type of the floor surface, wherein the settings comprise at least an elevation of each of at least one component of the robot from the floor surface.

Aspects of the disclosure relate to providing a pulse control to a ball valve to reduce the amount of torque required to adjust the position of the ball valve. In an aspect, the technology relates to a method for reducing resistance of a ball valve. The method includes generating a pulse having a duration and a polarity; providing the pulse to an actuator configured to rotate a ball of the ball valve; and rotating, by the actuator, the ball of the ball valve by an amount based on the duration of the pulse and a direction based on the polarity of the pulse, wherein the ball valve does not change state after rotation of the ball.

The present invention provides a foldable bionic sunflower solar power generation integrated device, comprising a base, a base fixing device is provided at the bottom of the base, the base fixing device is used to connect the base and the ground, a power generation integrated device body is provided at the top of the base, and the solar panel blades of the power generation integrated device body are foldable. Therefore, the present invention can solve the technical problem that most of the current ground solar power generation devices rely on their own weight to maintain their own stability. When encountering external forces, since there is no connection between them and the ground, it is easy to cause the solar power generation device to fall over, causing the device to be damaged by collision.

An image / video capture apparatus is provided, to capture image data of a photovoltaic panel (101) and surroundings, and a controller (502) recognizes a category corresponding to the image data, and generates different instructions to control rotation of a photovoltaic tracker (102), to remove dust or snow accumulating on the photovoltaic panel (101). This does not need continuous heating, but is simple and efficient, saves electric energy, and resolves a technical problem that a conventional snow removal method of heating has low efficiency and wastes electric energy. In addition, a corresponding controller (1200) is further provided.

The invention provides a corner smooth control method for compensating arc offset and a numerical control machine tool, and the method comprises the steps: testing the corner arc offset of each motion shaft seat, and calculating to obtain a corner arc correlation coefficient of each motion shaft; and receiving an interpolation instruction of two adjacent line segments in the path cache region, determining a plane where the two adjacent line segments are located, obtaining a corner arc correlation coefficient of the corresponding motion axis, and performing compensation offset calculation on the corner arc of the two adjacent line segments through the obtained corner arc correlation coefficient. The offset of the numerical control machine tool at the corner arc is compensated, arc corner turning can be conducted at the maximum arc speed allowed by a numerical control system, and therefore the machining efficiency of the machine tool at the corner point is improved. The phenomenon of undercut or overcut and the like occurring when a machine tool machines corner points is eliminated, an additional smooth curve interpolation function does not need to be developed in a numerical control system, processing can be directly completed in a real-time kernel of the numerical control system, and the requirement for hardware of the numerical control system is low.

A control method and apparatus for a rotating cylinder are provided by initiating a trigonometric function calculation between the inclinations of the X-axis and the Y-axis of a rotating cylinder and the declination angles formed by a first wheel and a second wheel constituting the rotating cylinder.

The present disclosure can include an ultrasonic generating unit, a transfer unit coupled to the ultrasonic generating unit to move the ultrasonic generating unit in a preset pattern, a sensor that senses a magnetic force generated when the ultrasonic generating unit moves, and a control unit that determines the position of the ultrasonic generating unit based on the magnetic force sensing result information by the sensor, and determines that the ultrasonic generating unit is in any one of a state of being separated from the transfer unit, a state of being detached, or a stopped state when the position of the ultrasonic generating unit is not changed during driving of the transfer unit.

The present disclosure may comprise: an ultrasonic wave generation unit; a transfer unit coupled to the ultrasonic wave generating unit and configured to move the ultrasonic wave generating unit in a preset pattern; a sensor for sensing a magnetic force generated when the ultrasonic wave generating unit moves; and a control unit that determines the position of the ultrasonic wave generating unit on the basis of the sensing result information of the sensor, and determines that the ultrasonic wave generating unit is in one of a state in which the ultrasonic wave generating unit is separated from the transfer unit, a state in which the ultrasonic wave generating unit is separated from the transfer unit, and a stopped state if the position of the ultrasonic wave generating unit is not changed during the driving of the transfer unit.

An assembly includes one or more photovoltaic solar trackers; a rechargeable power supply system, including power supply elements to power the tracker or trackers; a charging system, to recharge the power elements; and a tracker controller. The assembly stands out for including one or more supercapacitors as power supply elements. The invention makes it possible to arrange the power supply elements at low temperatures without the need for heaters, increase their useful life and reduce their size.

The utility model provides a moving device with a direction detection function, which comprises a first track, a second track and a moving table, the second track is connected to the first track through a first driving device, and the moving table is connected to the second track through a second driving device; the moving table is provided with a rotating mechanism, the rotating mechanism is provided with an angle detector used for detecting the rotating angle of the rotating mechanism, and the angle detector is installed at the rotating end of the rotating mechanism. The rotating direction is accurately measured through the angle detector, then the control handle is used for controlling movement, and therefore the situation that errors possibly occur through manual judgment is avoided, and the accuracy of the device in the moving process is improved.

The utility model relates to an alignment platform, in particular to an alignment platform rotation angle control mechanism which comprises a base, a fixing ring movably installed on the lower surface of the base, a driving disc fixedly connected to the lower surface of the base, an auxiliary disc arranged below the driving disc, and a rotation groove formed in the upper surface of the auxiliary disc. A bevel gear ring is fixedly connected to the outer surface of the driving disc, a rotating rod is movably installed in the fixing ring, a bevel gear is fixedly connected to one end of the rotating rod, a connecting plate is fixedly connected to the outer surface of the fixing ring, a first moving groove is formed in the upper surface of the connecting plate, and a first lead screw is movably installed on the surface of the inner wall of the right side of the first moving groove. The outer surface of the first lead screw is in threaded connection with two impact columns, the outer surface of the auxiliary disc is fixedly connected with a moving rod, and the other end of the moving rod is fixedly connected with a check block. The alignment platform is reasonable in structure, and the rotation of the alignment platform can be coarsely and finely adjusted in the using process, so that the alignment platform can be better aligned in the using process, and the alignment platform can be conveniently used.

The present application relates to a PV energy tracking method and device applied to a photovoltaic system, which collects the PV voltage as the initial open circuit voltage, and determines the initial given voltage based on the initial open circuit voltage. The PV power and the PV starting power are collected and compared, and when the PV power is less than the PV starting power, the PV voltage is refreshed to update the initial open circuit voltage to obtain a refreshed open circuit voltage. The refreshed given voltage is determined based on the refreshed open circuit voltage, and PV voltage tracking and PV current limiting are performed based on the refreshed given voltage. By refreshing the open circuit, the PV voltage can track the maximum power voltage point faster without being clamped for a long time, which facilitates the rapid detection of a higher open circuit voltage, and then operates at a relatively high PV voltage, so that the energy utilization rate of the PV is improved.

The utility model discloses a photovoltaic panel-based heliostat light following attitude adjusting device, which relates to the technical field of photo-thermal power generation and comprises a photovoltaic panel, a heliostat support, an operational amplifier, a pitching motor, a horizontal motor, a single chip microcomputer module and a heliostat. Every two photovoltaic panels are spliced at a certain included angle to form two photovoltaic folded plates, the two photovoltaic folded plates are installed on the upper surface of the heliostat, one photovoltaic folded plate is installed in the east-west direction, and the other photovoltaic folded plate is installed in the north-south direction; the bottom of the heliostat is connected with a heliostat support, the bottom of the heliostat support is connected to a pitching motor, and a horizontal motor is arranged below the pitching motor; the output end of the photovoltaic panel is connected to the operational amplifier through a wire, the operational amplifier outputs logic signals to the single-chip microcomputer module, and the single-chip microcomputer module sends driving commands to the pitching motor and the horizontal motor to adjust the posture of the heliostat.

The invention relates to a cradle head limiting circuit, a limiting control method of a cradle head motor and a cradle head system.The cradle head limiting circuit comprises a position triggering module, a switch switching module and an energy consumption module; the position triggering module is connected with the switch switching module; the first end of the switch switching module is connected with the negative electrode of the motor driving module; the second end of the switch switching module is connected with the energy consumption module; the third end of the switch switching module is connected with the holder motor; the switch switching module is used for communicating the pan-tilt motor with the motor driving module to form a driving loop when the pan-tilt motor is powered on; and the switch switching module is also used for cutting off the connection between the pan-tilt motor and the motor driving module and communicating the pan-tilt motor with the energy consumption module during power failure or when the position triggering module detects that the rotation state is a preset limiting state. On the basis of limiting detection of the position triggering module and loop switching of the switch switching module, non-contact limiting triggering and braking are achieved, and therefore structural limiting collision is reduced.