13results about How to "Avoid switching back and forth" patented technology

The invention provides a method for planning a target speed curve in a train pull-in parking stage. The method comprises the following steps: S1, reading speed limiting information in a train pull-in braking stage from a route electronic map; s2, according to the speed limiting information, a pre-braking rate sequence is obtained based on a segmented uniform deceleration motion model; s3, smoothing the pre-braking rate sequence to obtain a target braking rate sequence; s4, obtaining a target speed curve of each speed limiting section based on an acceleration and deceleration motion model according to the target speed and the target braking rate sequence at the starting point; and S5, performing interpolation processing on the target speed curve of each speed limiting section to obtain target speed curves at equal time intervals so as to complete the target speed curve planning in the train arrival parking stage. According to the method, the target speed curve in the train pull-in parking stage is smooth, the braking deceleration change in the whole deceleration stage is small, the situation of switching between deceleration and constant speed back and forth is avoided, the riding comfort of passengers is greatly improved, and the operation energy consumption is correspondingly reduced.

The invention discloses a sensing and planning method for automatic ball picking of a tennis ball picking robot. The sensing and planning method mainly comprises the four parts of visual sensing, map state updating, path planning and robot motion planning. According to the method, based on a camera carried by a ball picking robot, computer vision and artificial intelligence technologies are utilized to perceive, recognize and position tennis coordinates in a local visual field; according to the method, time-space fusion and task planning are carried out in combination with historical local view perception information, global scanning mapping in advance or sensors depending on global positioning are not needed, the ball picking efficiency is improved on the premise that more sensors are not used, and a ball picking area is not missed.

The invention provides a method and device for controlling a vehicle and the vehicle, the method is applied to the field of vehicle driving, and the method comprises the steps that road surface information of a road where the vehicle is located is acquired; determining the road type of the road where the vehicle is located according to the road surface information; under the condition that the road type of the road where the vehicle is located is the preset road type, if the distance between the vehicle and the front vehicle is smaller than the preset distance, vehicle windows of the vehicle are controlled to be closed. According to the method, when the road type of the road where the vehicle is located is the preset road type and the vehicle is close to the front vehicle, the vehicle window can be controlled to be closed in time, the timeliness of closing the vehicle window is improved, and the problem that pollution in the vehicle is serious due to the fact that the vehicle window is not closed in time is solved.

A nanomaterial microstructure visual identification method based on deep learning belongs to the technical field of identification, and comprises the following steps: S1, inputting a nanomaterial morphology image file acquired by an SEM (scanning electron microscope), specifically, the morphology image file comprises a picture file and a Meta metadata file; s2, carrying out pixel-level segmentation on the picture file, and carrying out key information extraction on the Meta file; s3, selecting a pre-trained model to carry out pixel-level intelligent identification on the nano-material morphology image obtained by the SEM; s4, recording a result, and automatically converting a pixel-level result and real size data; and S5, performing result merging on different nano material morphology images obtained by the SEM of the same sample. According to the method, the microscopic image content can be automatically captured, analyzed and calculated, a user can visually observe and obtain the data of the recognized target object in the sample content, stacked objects can be accurately distinguished, and positioning verification can be rapidly carried out on the wrong recognition area or the invalid recognition area through the coding mask.

This application provides a method, system, storage medium, and vehicle for controlling vehicle windows and curtains, belonging to the field of vehicle technology. The method includes: responding to a triggered control signal, determining the type of the control signal; if the type is a first type, determining a controllable object from the window and the curtain according to the control object indicated by the control signal; if the type is a second type, determining the controllable object from the window and the curtain according to the current position of the window and the current position of the curtain; and controlling the controllable object to move in the target direction indicated by the control signal. This application, when continuous operation is required, achieves control of both the window and the curtain by sequentially triggering control signals of the same type, avoiding the need to switch back and forth between window control buttons and curtain control buttons, thus simplifying the user's control operation process.

The invention discloses an acupuncture device based on rotary switching of acupuncture needles, and relates to the technical field of acupuncture devices. The device comprises a shell, an inlet is formed in one end of the shell, the inner side of the inlet is rotationally connected with a shielding plate through a hinge, a rotary needle cutting assembly is arranged on the inner side of the shell, and a clamping assembly is arranged on the inner side of the rotary needle cutting assembly. Through the arrangement of the rotary needle cutting assembly, the assembled filiform needle can be directly moved downwards for acupuncture, the problem caused by back-and-forth switching of the filiform needle in the acupuncture device can be avoided, meanwhile, the position of the filiform needle can be positioned, and therefore the stability of the filiform needle moving out of the acupuncture device can be improved.

The present application discloses an information sending method, receiving method, device, equipment and storage medium, and relates to the field of communication technology. The method comprises: when a terminal device detects that a first system is unavailable, the terminal device sends a first message to a network device in a second system; wherein the first message is used to inform the network device in the second system that the first system is unavailable. The embodiment of the present application can avoid the network device in the system where the terminal device is currently located redirecting the terminal device to other systems after receiving the registration request of the terminal device, so that the terminal device can obtain network services in time. Moreover, in the embodiment of the present application, it can avoid the network device in the current system redirecting the terminal device to other systems again when processing the registration request of the terminal device, avoiding the terminal device from switching back and forth between the current system and other systems, reducing the delay of the terminal device in obtaining network services, and improving the efficiency of the terminal device accessing the communication system.

This utility model provides a drive system and a vehicle. The drive system includes an engine, an input shaft, a first motor, a dual clutch, an intermediate shaft, a second motor, and a power battery. The engine is connected to the input shaft. The dual clutch includes a clutch input end, a first output end, and a second output end. The clutch input end is connected to the input shaft. The first and second output ends can be engaged or disengaged from the clutch input end, respectively. The intermediate shaft is driven by the first and second output ends. The transmission ratio between the intermediate shaft and the first output end and the transmission ratio between the intermediate shaft and the second output end are not equal, so that switching between two gears can be achieved through the control of the dual clutch. The second motor is driven by the intermediate shaft. By controlling the engine, the first and second motors, and the dual clutch, switching between different working modes can be achieved to adapt to different road conditions.

A DC-DC converter and a control method thereof, the converter comprising a logic module, a power tube, an inductor, an output capacitor, a voltage dividing resistor and an error amplifier, characterized in that the converter further comprises a first control unit, a second control unit and a third control unit; wherein the first control unit realizes the switching of the converter between a constant current starting mode and a closed loop starting mode based on an output voltage, and realizes the delay of the constant current starting mode based on the output of the second control unit; the second control unit and the third control unit control the switching state of the power tube of the converter in the closed loop starting mode based on the size of the inductor current and the output voltage. The method realizes the fast starting of the converter and the stability of the output voltage, avoids the back and forth switching of the converter between the two working modes, and ensures the normal starting of the circuit.

The invention discloses a wood product design order splitting method, system and device, a medium and a product, and the method comprises the steps that original data of wood product design are acquired, and the original data comprise design drawings and material details; and verifying and supplementing the material details based on the design drawing to obtain updated details, and determining a production blanking list, a price list and plate coding information according to the updated details. The method can improve the efficiency of a designer to compile a material detail table, save the time for deepening engineers to repeatedly check drawings and extract split details, and reduce errors in the operation process.

The invention discloses a variable valve driving system, an engine assembly and a vehicle, and belongs to the technical field of engines. According to the variable valve driving system, the engine assembly and the vehicle, the molded line of the first cam is different from the molded line of the second cam, so that when the first driven piece makes contact with the first cam, the second driven piece is separated from the second cam, and when the second driven piece makes contact with the second cam, the first driven piece is separated from the first cam; and abnormal sound caused by back-and-forth switching of the first cam and the second cam is avoided. Meanwhile, when the hydraulic driving unit breaks down or fails, the second driven piece can make contact with the second cam, it is ensured that the engine can work normally, and then the reliability of the engine can be improved.

This invention discloses an organic waste gas RTO regenerative thermal oxidation treatment device and method for waterproof membrane production in the field of waste gas treatment technology. It includes an annular heat storage block, a combustion chamber, an external drive mechanism, an external membrane production machine, an external waste gas emission mechanism, an external waste gas storage machine, and an airflow distribution chamber. The waste gas emission mechanism is connected to both the waste gas storage machine and the airflow distribution chamber. Based on the rate at which the waste gas is generated by the membrane production machine, this invention selects whether to treat the waste gas directly or to store a certain amount of waste gas before treatment, reducing wear and tear on the waste gas storage machine, minimizing waste gas leakage, and increasing treatment efficiency. Furthermore, the annular heat storage block circulates through waste gas, air, and tail gas, enabling this invention to complete the heat storage-recirculation-preheating cycle within a single heat storage chamber, avoiding repeated valve switching, reducing process complexity, and improving process stability.

The utility model relates to the field of balloon knotting, in particular to balloon inflating and knotting integrated equipment. The technical problem to be solved by the utility model is to provide the balloon inflating and knotting integrated equipment. Comprising a fixing piece, a mounting plate, a knotting piece, an inflation nozzle and the like. A mounting plate is fixedly connected to the upper portion of the front side of the fixing piece, and a knotting piece and an inflation nozzle are detachably connected to the left side and the right side of the mounting plate respectively. The distance between the inflating step and the knotting step is shortened, the inflating step and the knotting step can be placed in an integral device, the balloon can be quickly knotted after the balloon is inflated, the defect that an inflating device and a knotting device are switched back and forth and tedious is overcome, and efficient inflating and knotting of the balloon are achieved.