37results about How to "Accurate control instructions" patented technology

The invention discloses a speed following control method for an unmanned electrically-driven mine car, which comprises a planning module, a control module and a positioning module, and comprises the following steps: S1, outputting a planned acceleration and a planned speed by the planning module, and calculating a target acceleration according to the planned acceleration, the planned speed and the current speed of the mine car; S2, calculating the pitch angle of the ramp according to the pose information output by the positioning module; S3, calculating vehicle resistance and calculating target traction force by the control module according to the Newton second law; and S4, according to the target traction force F, in combination with vehicle speed information, performing table look-up on the motor external characteristic curve / generator external characteristic curve, and obtaining a vehicle accelerator / electric brake control instruction through calculation. The method has the advantages that the control instruction is more accurate, the robustness is high, and various complex working conditions can be well adapted.

The embodiment of the present invention discloses a remote driving road feeling simulation method, device, system, and storage medium. The method includes: obtaining steering wheel resistance torque through a load observer; obtaining steering compensation torque through a reaction force strategy of an electric power steering system; Determine the road sense torque according to the steering wheel resistance torque and the steering compensation torque; send the road sense torque to the remote control terminal through the wireless network, so that the remote control terminal controls the road sense motor to generate the road sense torque. same torque. The embodiment of the present invention realizes the accurate feedback of the road sense information of the vehicle equipped with the EPS system to the driver of the remote control terminal, improves the accuracy of the vehicle operation information obtained by the remote control terminal, and is beneficial to the driver to issue more accurate control of the vehicle instruction.

The invention relates to a control method and device for a ship-borne photoelectric sensor. The method includes: receiving a control command from an external host computer, wherein the control command carries error angle control information, and the error angle control information includes angle control information and angular velocity control information ;According to the error angle control information, control the action of the photoelectric sensor; receive the error angle feedback information sent by the photoelectric sensor; determine the error angle deviation information according to the error angle control information and error angle feedback information; receive the angular velocity feedback from the external gyroscope Information, wherein, the gyroscope is connected with the photoelectric sensor; according to the angular velocity control information and the angular velocity feedback information, determine the angular velocity deviation information; The deviation information determines new control instructions. The solution can improve the accuracy of the measurement results of the photoelectric sensor.

The invention discloses a marine fouling biological cleaning robot at the bottom of a ship, which comprises a body, walking devices arranged on both sides of the body, an adsorption device arranged at the bottom of the body, a cleaning device, a control device and a driving device arranged on the body. The cleaning device is used to remove organisms attached to the surface of the hull, the walking device is used to drive the body to advance and turn, the adsorption device is used to adsorb the body on the surface of the hull, and the driving device is used to drive the walking device. The control device described above is used to control the robot’s movement, steering, and cleaning of the attached organisms on the hull. The entire cleaning process can be completed intermittently when the ship calls at the port, and does not need to be carried out in the dock, which shortens the cleaning cycle of the ship’s exterior and reduces the cost of cleaning Low cost, simple structure, wide source of raw materials, convenient operation and strong practicability.

This application relates to a construction site intelligent monitoring system based on the Internet of Things and its monitoring method, which includes: a camera, a protective cover, an external cleaning component, an internal cleaning component, and a protective component. The camera is connected to the wall of the construction site, and the wall device There is a mounting plate, the camera is connected to the top surface of the mounting plate, the protective cover is connected to the top surface of the mounting plate and is set to cover the camera, the middle part of the protective cover is set as a transparent part, the external cleaning component is connected to the top surface of the protective cover, and the work of the external cleaning component The inner part abuts against the outside of the transparent part, the inner cleaning component is connected in the protective cover, the working part of the inner cleaning component abuts against the inner side of the transparent part, the protective component is connected to the wall and is located above the mounting plate, and the working part of the protective component is in the shape of Move the setting along the horizontal direction, and the working part of the protective assembly is located above the protective cover when it rains. This application has the effect of improving monitoring quality.

The invention discloses a method for controlling an electronic device and the electronic device. The electronic device has at least one proximity sensor. A first operation parameter during an operation; based on the first operation parameter, determine that the operation gesture of the first operation is the first gesture; based on the first correspondence between the gesture and the control instruction, generate the first gesture correspondence The control instruction is a first control instruction; the first control instruction is executed to implement a control operation on the electronic device.

The invention discloses a power grid electricity demand supervision method based on geographic information consistency verification. The method comprises the following steps: acquiring electricity behavior data of an electricity demand side; performing continuous processing on the power consumption behavior data based on curve fitting to obtain a power consumption state fitting curve in a target time period; performing power utilization behavior analysis on the power utilization state fitting curve to obtain to-be-regulated equipment on a power utilization demand side; and acquiring an actual physical position of the to-be-regulated device, performing consistency verification on the actual physical position and a preset position, and calling a scheduling strategy matched with the power consumption behavior analysis result from a pre-stored scheduling strategy scheme library according to a verification result, thereby performing power consumption behavior control on the power consumption demand side. Reliable connection between the intelligent equipment and the system monitoring platform is ensured through consistency verification of the actual physical position of the actual power utilization device on the user side and the preset position.

The present application discloses a parking processing method, system, device and vehicle controller, and relates to the technical field of intelligent transportation, especially to the technical field of autonomous parking. The specific implementation plan is: executed by the parking system deployed on the vehicle controller, the parking system includes a perception module, and other modules except the perception template; the perception module is deployed on the vehicle controller on the first operating system in the vehicle controller; the other modules are deployed on the second operating system in the vehicle controller; the method includes: processing the images collected by the image collector through the sensing module to obtain sensing result data ; Control the vehicle through the other modules according to the sensing result data obtained from the sensing module. Through the synergistic effect of the first operating system and the second operating system, the parking system can utilize existing vehicle resources to realize autonomous parking without external controller hardware, thereby reducing costs.

The invention relates to an automatic control system and a control method for district transformer groups, and belongs to the field of automatic control systems for 10KV / 0.4KV low-voltage distribution networks. The automatic control system comprises power supply bus and N power supply lines. The power supply bus and every two adjacent power supply lines are connected with one another by interconnection switches, and every two adjacent power supply lines are connected with each other by an interconnection switch; a district main transformer is arranged on the power supply bus, a district main transformer side is connected with a district group master controller, district transformers are arranged on the power supply lines, district transformer sides are connected with district transformer controllers, and the district transformer controllers and the interconnection switches are connected with the district group master controller by wireless communication units. The automatic control system and the control method have the advantages that the automatic control system is reasonable in structural design, the numbers of operating district transformers can be regulated and controlled in real time, automatic network reconfiguration can be carried out on distribution networks with the district transformer groups, accordingly, distribution network structures can be optimized, the operation efficiency can be improved, light-load loss can be reduced, and the safe operation capacity of the distribution networks can be improved.

The invention is applicable to the technical field of electronics, and provides a touch detection method and a touch detection device, which are intended to solve the problem in the prior art that the performance and touch accuracy of large-size resistive touch screens cannot be simultaneously met. The method includes: if touch data which is inputted by a user through a touch screen is detected, then carrying out voltage value sampling on detected touch points for n times; according to n x-axis sampled voltage values and n y-axis sampled voltage values, judging whether the positions of the touch points belong to touch-insensitive problematic areas; if the positions of the touch points belong to the problematic areas, then continuing to carry out voltage value sampling on the touch points, and calculating x-axis voltage values and y-axis voltage values of the touch points according to sampled data; and determining position coordinates of the touch points on the touch screen according to the x-axis voltage values and the y-axis voltage values. The technical solution of the invention reduces the processing load of a processor and increases touch performance, and moreover, problems, such as touch display refresh delay, are prevented.

The invention provides a method for controlling the yaw stability of a semi-trailer. The signal collected by each sensor is used as the system input, and the road surface adhesion coefficient is estimated by using the lateral acceleration, and then the lateral acceleration, the steering angle of the steering wheel, the wheel speed and The estimated road surface adhesion coefficient calculates the ideal yaw rate, and compares the difference between the actual vehicle yaw rate measured by the yaw rate sensor and the ideal yaw rate with the preset threshold value, so as to determine the yaw stability It can adapt to different road surfaces, make the control command of the control system more accurate, and the stability control effect is better. By reducing the output torque of the engine, combined with the yaw stability control intervention scheme under different working conditions, the active braking joint intervention is implemented to realize the precise control of the yaw stability of the semi-trailer.