30results about How to "Efficient travel" patented technology

The present invention relates to a network-connected vehicle signal light-controlled intersection economical traffic method based on reinforcement learning, which comprises the following steps: obtaining vehicle and roadside environmental status information; building an ecological driving model for intersection traffic: including building a longitudinal dynamics model of a vehicle and building a road The traffic environment model of the side signal light state; using the deep deterministic policy gradient algorithm to construct the ecological driving strategy for the intersection of pure electric networked vehicles, solve the multi-objective optimization problem including the minimum energy consumption of the vehicle battery and the shortest transit time, and obtain the optimal traffic speed spectrum , so as to obtain the optimal energy consumption level through the intersection. The invention applies the deep reinforcement learning algorithm to the actual vehicle intersection traffic control, and has good generalization performance and optimization effect for the dynamic change scene of the remaining time of the signal light.

The invention discloses a self-drive centrifugal cyclone wet / dry water-powder-air separator, comprising a cylindrical outer barrel, an air outlet arranged on the outer barrel, a liquid outlet, a central collecting port, a wet powder outlet, a dry powder outlet and a wet powder collecting plate in the inner cavity, a lower separator, a dry powder collecting plate, a middle separator, an upper separator and a lower support plate, wherein a self-drive rotary scraping cone connected with a bearing is arranged above the lower support plate, a water filtration cone connected with the wet powder collecting plate and the central hole of the self-drive rotary scraping cone is arranged below the lower separator, a spiral channel is formed between the self-drive rotary scraping cone and the water filtration cone, four inverted cone cyclone separators and a round distributor with an X-shaped guide plate are arranged between the middle separator and the upper separator, the lower end of the round distributor is provided with the dry powder collecting plate, and the centers of the upper ends of the four cyclone separators are respectively provided with exhaust pipes. The invention is suitable for separating wet / dry water-powder-air mixtures with high separation efficiency.

The present invention relates to a method for fracturing a metal component 1, B which has a prescribed through hole 5a, and which has a groove portion 17 formed continuously from a first open end of the through hole to a second open end thereof, at a position corresponding to an inner circumferential surface of the through hole. The method enables the metal component to fracture from the groove portion, and includes identifying a position delta, delta1, delta2 in the groove portion of the metal component at which stress is to be caused to concentrate when the metal component starts to fracture; forming a stress concentration portion 19 in a position in a bottom portion of the groove portion corresponding the identified position in the groove portion, in order to set the identified position as a failure starting point; and causing a crack S1 to be generated from the stress concentration portion 19 on the groove portion earlier than at each portion of the groove portion when the metal component begins to fracture, thereby causing a crack S2 to develop from each portion of the groove portion.

The invention relates to a deformable bionic search and rescue robot, belonging to the technical field of an intelligent robot. The deformable bionic search and rescue robot comprises a head, NO.1 walking legs, NO.2 walking legs, NO.3 walking legs, NO.4 walking legs, an abdomen, support rods, sensors, a trunk shell and a bottom plate, wherein the head is installed at the front end of the bottom plate; four pairs of walking legs, namely the NO.1 walking legs, the NO.2 walking legs, the NO.3 walking legs and the NO.4 walking legs, are respectively installed at the peripheral sides of the bottom plate symmetrically; the abdomen is installed on the bottom plate; the trunk shell is installed on the bottom plate; and the support rods and the search and rescue sensors are respectively installed on the trunk shell. The robot provided by the invention is used for the field of fire control, can carry out search and rescue works in complex environments that people can not enter, and has obvious functions; the robot carries out spider form bionics and is flexible in driving and strong in practicability; the walking legs can adapt to multiple road surface environments and efficiently move; multiple sensors and photographic devices are installed so as to realize intelligent control, and the technology content is high; and the robot is strong in mechanical innovation and high in popularization value.

The present invention discloses an information processing method, a first terminal and a second terminal, wherein the information processing method includes: the first terminal acquires a first target route; the first terminal generates a navigation route based on the first target route, Share the navigation route with at least one second terminal; users in the information sharing group can share each other's information based on the trajectory formed by the navigation route; in the user interface of the first terminal, it is displayed: the The first terminal follows the estimated trajectory formed by the navigation route to drive the real-time location information of the vehicle, and after obtaining the first real-time driving trajectory based on the location information of the driving vehicle, the at least one second terminal follows the first terminal. A real-time driving track to obtain real-time location information of driving or riding vehicles.

The invention discloses an intelligent braking track flat car and a traveling method thereof. The device comprises a track flat car, a braking system and a start-stop structure all arranged on the track flat car; the track flat car includes a frame and a traveling wheel assembly The braking system includes two braking mechanisms and a monitoring mechanism; the braking mechanism includes a transmission assembly, a service brake assembly disposed on the transmission assembly, and a parking brake assembly disposed on the transmission assembly; the method includes: a 2. Loading heavy objects; 3. Inspection before traveling; 4. Normal traveling and braking; 5. Abnormal traveling and braking. The invention can brake when the track flat car reaches the set maximum moving speed by arranging the service brake assembly, so as to prevent the occurrence of safety accidents on slopes; the parking brake assembly is used to realize the stopping and correcting of the track flat car in the traveling state. The locking of the stop state prevents the track flat car from slipping.

The invention discloses a horizontal drilling real-time seismogeology comprehensive guiding method. The method comprises the following steps that (1) three-dimensional prestack time deepened seismic data are explained in a known oil and gas field work zone, and an initial guiding model of a well to be drilled is obtained; (2) lithological, electrical and seismic reflection characteristics of marker beds, a target oil and gas layer and adjacent stratums in the oil and gas field work zone are determined; (3) before a forward drilled well enters the target, the velocity field is updated in real time, and an improved guiding model of the forward drilled well is obtained; (4) when the forward drilled well encounters one marker bed and is about to enter the tarter, the altitude depth of a target-entering point of the forward drilled well is predicted, and trajectory optimization before target entering is conducted; (5) after the forward drilled well enters the target, the velocity field is updated again, and thus the newest guiding model is obtained; and (6) under the guidance of the newest guiding model, a horizontal section guiding is conducted by combining with practical drilling analysis. According to the seismogeology comprehensive guiding method capable of correcting the guiding model in real time, the effects that the horizontal well enters the target layer accurately and efficiently penetrates through the target layer can be guaranteed.

The invention discloses a signal timing method for emergency vehicles passing through an intersection based on V2X technology, comprising the following steps: A1: Obtaining traffic flow and vehicle driving state data of each road section on the driving path through V2X road surface equipment and judging the vehicle driving path, And use the corresponding relationship between the travel time and the traffic flow in the Davidson function to obtain the shortest travel time of the emergency vehicle on a section of road, and use the Dijkstra algorithm to optimize the shortest time path; A2: determine the path according to the shortest path obtained The node of the intersection calculates the optimization strategy of the intersection, and adjusts the traffic signal of the intersection according to the optimization strategy. The present invention can comprehensively realize the path selection of emergency vehicles when performing tasks, and dynamically adjust the planning according to the real-time virtual signal lights allocated by path selection; make the travel of emergency vehicles more efficient; at the same time, minimize the impact of single intersection signal light phase changes on the traffic efficiency of surrounding road networks influence and realize global planning.