126results 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.

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.

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.

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 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.

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.

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.

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 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 present disclosure describes a device for controlling a rotary cylinder, which, by means of six skewed wheels, can align the horizontality or precisely control a target angle and simultaneously adjust the height and position of a rotary axis. In one embodiment, the device for controlling a rotary cylinder comprises a first rotary unit with a first and a second wheel, the inclined surfaces of which are arranged at an angle of deflection relative to the respective base surface such that they touch; a second rotary unit connected to the first rotary unit, comprising a third and a fourth wheel, the inclined surfaces of which are arranged at an angle of deflection relative to the respective base surface such that they touch; and a third rotary unit comprising a fifth and a sixth wheel, the inclined surfaces of which are arranged at an angle of deflection relative to the respective base surface such that they touch.a drive unit that independently drives the first to sixth wheels, a memory for storing instructions, and a processor that, by executing the instructions, rotates at least one wheel of the first to sixth wheels to control the drive unit so that the tilt angle of the rotary cylinder is set to a preset target value.

An intelligent adjustable method for a curved steel roof comprises the following steps: 1) determining component parameters; 2) installing steel components; 3) establishing four nodes at the four corners below the roof panel, with node prisms provided below the nodes, and hingedly connecting the connecting nodes and connectors at both ends of the connecting rod; one end of the force transmission rod is spherical and rotatably embedded in the upper ball joint, and the other end is fixedly connected to the force transmission rod magnet, which is embedded in the movable space of the lower ball joint, and the lower half of the rod body matches the lower ball joint; the lower ball joint is placed in a hinge support, and the hinge support is connected to the keel via fixing plates distributed at its four corners; assembling the components in sequence; 4) debugging the device; 5) fixing the support; 6) obtaining adjustment parameters; 7) adjusting the height; 8) adjusting the angle; 9) repeating steps 6) to 8) to complete the installation of the remaining roof panels of the entire device. The present invention can effectively adjust the support, and is simple, easy to operate, and low in cost.

The present invention discloses a method for solving the fixed image rotation of a telescope based on three-point coordinates. The specific steps are as follows: first, record the current target miss amount coordinate O and the target miss amount coordinates P and Q after adding control amounts to the two directions of the fast mirror respectively. Then, the coordinates O and P are used to determine the quadrant position of the direction of the X direction and the fixed image rotation angle, and the coordinates O, P, and Q are used to determine the polarities A1 and A2 of the miss amount error, and then the polarities K1 and K4 of the rotation matrix are determined by judging the positive and negative signs of the cosine values ​​after the image rotation angle is converted into radians. Finally, a control amount is added to one of the directions to judge the direction of its own direction and the influence on the other direction, and at the same time, the polarities K2 and K3 of the rotation matrix are determined in combination with the sine value after the image rotation angle is converted into radians, thereby obtaining a complete image rotation solution formula. The method of the present invention has fast calculation speed, is easy to implement, and has stable performance. The fixed image rotation angle can be obtained only through three-point coordinates, and all polarities of the miss amount error and the rotation matrix can be derived.

A photovoltaic tracking system on roof, includes a photovoltaic panel group having photovoltaic panels connected together by their sides in a linear direction using connecting frames, a tilting system, a gear rack, and a stepper motor. The tilting system includes a rod, a wheel, and a rail. The rod has a first end connected to the wheel and a second end connected to the photovoltaic group. The wheel is disposed on the rail and configured to move linearly along the rail. The tiling system is configured to tilt the photovoltaic panel group by a push or pull force from the rod when the wheel travels on the rail. A triangle is formed by the titling system, the photovoltaic panel group, and a portion of the roof, when the tilting system tilts the photovoltaic panel group. The stepper motor moves the gear rack, so it moves the wheel.

An embodiment selects, from a set of candidate locations within a power generation site, a first power generation location. An embodiment causes generation of electricity, by a first power generation unit, at the first power generation location. An embodiment forecasts, during the generation of electricity, a future power generation status of the first power generation unit at the first power generation location. An embodiment causes relocating, responsive to the future power generation status, of the first power generation unit to a second power generation location, the relocating altering the future power generation status.

The invention relates to a pneumatic valve device (1) for industrial automation, comprising a first valve unit (4) and a second valve unit (5), wherein the first valve unit (4) has a higher valve dynamics than the second valve unit (5) and the second valve unit (5) is designed for a higher flow rate than the first valve unit (4), further comprising a control unit (6) configured to provide a control signal (9) as part of a control system, and a frequency converter (11) configured to provide, on the basis of the control signal (9), a high-frequency control component (12) for controlling the first valve unit (4) and a low-frequency control component (13) for controlling the second valve unit (5).

The invention relates to the technical field of household electrical appliances, and discloses a box assembly, a control method thereof and a household electrical appliance. Wherein the box body assembly comprises a main body, a face position acquisition device, an interface projection device and a control device. The main body comprises a cover plate and a mounting plate arranged on one side of the cover plate. The face position collecting device is arranged on the mounting plate and used for collecting the face position of the human body. The interface projection device comprises a driving assembly and a projection piece arranged at the driving end of the driving assembly, and the projection piece is used for projecting the operation interface to the cover plate to be displayed. The control device is electrically connected with the face position collecting device and the driving assembly, and the control device is used for controlling the driving assembly to operate according to the face position collected by the face position collecting device so as to drive the projection part to move relative to the cover plate, and then the display position of the operation interface on the cover plate is adjusted. The operation interface of the household appliance can be adjusted according to the height visual angle of the user, and the use experience of the user is improved.

A solar tracker system including a tracker apparatus including a plurality of solar modules, each of the solar modules being spatially configured to face in a normal manner in an on sun position in an incident direction of electromagnetic radiation derived from the sun, wherein the solar modules include a plurality of PV strings, and a tracker controller. The tracker controller includes a processor, a memory, a power supply configured to provide power to the tracker controller, a plurality of power inputs configured to receive a plurality of currents from the plurality of PV strings, a current sensing unit configured to individually monitor the plurality of currents, a DC-DC power converter configured to receive the plurality of power inputs powered from the plurality of PV strings to supply power to the power supply, and a motor controller, wherein the tracker controller is configured to track the sun position.

The embodiment of the utility model discloses a circular exhibition stand for jewelry, which comprises a cylindrical table, a magnetic circular plate is rotatably mounted at the top of the cylindrical table, and a speed reducing motor for driving the magnetic circular plate to rotate is mounted in the cylindrical table; the bottom of the cylindrical table is fixedly connected with a base through a circular stand column, an L-shaped support is rotationally installed on the upper portion of the circular stand column, a vertical plate is fixedly connected to the upper end of the L-shaped support, and a display screen and a zoom camera are fixedly installed on the side face of the vertical plate. The circular exhibition stand adopts the jewelry; through the zoom camera and the display screen, the jewelry can be accurately shot from one angle and amplified through the display screen, so that a customer can conveniently observe and understand the design of the jewelry; through the design of the cylindrical table, the gear motor and the magnetic circular plate, the magnetic circular plate can be rotated, jewelry is placed on the magnetic circular plate, multi-angle rotating display can be performed, and the jewelry can be displayed more comprehensively.

A solar tracker system includes a support tube, a solar panel assembly connected to the support tube, and an active lock connected to the support tube. The active lock includes a housing defining a chamber and a seal. The seal prevents a flow of fluid through the chamber when the active lock is in a sealed state and allows the flow of fluid through the chamber when the active lock is in an unsealed state. The active lock further includes a locking system motor connected to the seal to transition the active lock between the sealed state and the unsealed state, a battery providing power to the locking system motor, and an antenna for receiving instructions controlling the locking system motor.