135results about How to "Eliminate conflict" patented technology

The invention relates to a multi-AGV (automated guided vehicle) scheduling method, and belongs to the technical field of navigation and control. A scheduling system provided by the invention schedules a plurality of AGVs to automatically eliminate conflicts in a navigation process in order to complete task. The scheduling system reads established bidirectional path files, establishes and searches a topology map of AGV walking paths, selects an AGV to complete the task after receiving task information, and eliminates opposite conflicts among the AGVs when searching the paths for the AGVs; and time windows are added to the path nodes of all the AGVs in the walking process of the AGVs, and node conflicts and pursuit conflicts are eliminated depended on the time interval, so the running efficiency of the AGVs is improved.

An electronic controller (16) controls the operation of an electrochemical oxygen generating system (14) producing a desired gas. The product gas is fed to a storage unit (12) or a regulator (28) and pulsing valve (28) controlling the gas flow to a user. A two-stage system (180) combines a low pressure 100 and a high pressure (150) gas generating subsystems. The low pressure subsystem (100) uses IMAT's (106) to pump oxygen from ambient air to generate a low-pressure. The high pressure subsystem (150) uses IMAT's (160) to pump oxygen to high-pressure oxygen storage devices (194).

The invention provides an agile satellite task planning method, which comprises the following steps of: 1) obtaining a meta-task list of a planning cycle, wherein meta-tasks in the meta-task list are sequentially arranged according to the earliness of starting time, and setting a prospective step length; 2) sequentially selecting one meta-task in the meta-task list as a current task; and 3) making a prospective judgment to the current task by the prospective step length, if the current task comes into conflict with follow-up meta-tasks in the prospective step length, when the priority of the current meta-task is not lower than the priority of the follow-up meta-tasks, deleting the follow-up meta-tasks, and otherwise, deleting the current meta-task. By adopting the method, conflicts can be rapidly found and eliminated; and by optimizing a satellite task list accordingly, the normal operation of a satellite is ensured and the reliability and the service life of a satellite platform are improved.

The invention discloses a coordination control method for a crossroad left-turning pre-signal and a straight-going successive signal, which comprises the steps that: a main signal lamp is arranged at first in the middle of a crossroad, left-turning pre-signal lamps are respectively arranged at first stop lines of four left-turning entrance lanes for left turning vehicles, straight-going successive signal lamps are respectively arranged in front of second stop lines of four exit lanes for straight-going vehicles; a main signal phase, a phase difference between the left-turning pre-signals and the straight-going successive signals, and a phase difference between the straight-going successive signals and the main signal are then configured, time allocation is prepared, the sum of key flow ratios of the phases is calculated, and the time for green light is finally allocated; according to the method disclosed by the invention, the contradiction in the aspect of time between the left-turning vehicles and the straight-going vehicles is thoroughly settled by means of the coordination control for the main signal, the pre-signals and the successive signals, thereby guaranteeing drive safety; the entire cycle for the coordination control only needs to be calculated once, which is fast and convenient, and the method effectively avoids that the adoption of traditional time allocation method is likely to lead to the jam of left-turning vehicles.

A coaxial two-wheeled vehicle includes a plurality of wheels disposed in parallel, a vehicle body, at least one of a step plate and a seat, an operating member, and a mechanism. The vehicle body supports plurality of wheels rotatably. The step plate is coupled to the vehicle body to carry a driver in an upright attitude. The seat is coupled to the vehicle body to seat the driver. The operating member is coupled to the vehicle body and operated by the driver for inputting driver's operation including an accelerating operation and a decelerating operation. The mechanism is configured to move at least one of the step plate and the seat in a front-rear direction of the vehicle body in accordance with an operation of the operating member.

Optimizing a plurality cell sites or sectors in a wireless network includes calculating modifications to a plurality of network parameters for optimizing wireless network performance; evaluating the modification groups to determine conflicts between modifications for a same network parameter; and eliminating the conflicts between modifications for the same network parameter within the modification groups. The modification groups are used to alter at least one network parameter of the critical cell sites or sectors, or of a best neighbor cells sites or sectors for achieving a desired improvement in communications within the wireless network. Optimization is further enhanced by determining the best previous modifications to the wireless network when performance continues to be degraded. Altering wireless network parameters of the critical cell sites or sectors, or the best neighbor cell sites or sectors is performed continuously using the stored modification groups until the desired improvement in communications in the wireless network is achieved.

A longitudinal, transverse and vertical force integrated control optimization method for electric vehicles driven by hub belongs to that technical field of electric vehicle control. The object of theinvention is to adopt a layered cooperative control structure so as to solve the four shortcomings existing in the prior art control system of a longitudinal, lateral and vertical force integrated control optimization method of an electric vehicle driven by a hub. The invention brings the relationship between vehicle resultant force and four-wheel tire force into the vehicle body six-degree-of-freedom equation to obtain the expected values of vehicle kinematics control target longitudinal speed, lateral speed, vertical speed, pitch angle, roll angle and yaw angle, thereby optimizing the vehicle kinematics control target. The layered longitudinal, lateral and vertical force unified optimal distribution integrated control method eliminates the conflict between different chassis electronic control systems and enhances the complementarity, and comprehensively improves vehicle handling stability and vehicle driving posture, which is embodied in the improvement of vehicle road tracking performance, safety, maneuverability, stability and comfort.

The invention relates to an urban expressway on-ramp and main line collaborative signal control system and method. The system comprises an on-ramp upstream detector, an on-ramp downstream detector, a main line upstream detector, a main line downstream detector, an on-ramp, a main line signal lamp and a processing control center. The processing control center judges whether a main line is blocked or not according to the detection speeds and the time occupation rates of the main line upstream detector and the main line downstream detector, and starts on-ramp and main line collaborative signal control if the main line is blocked. The processing control center confirms a timing plan for control according to flows detected by a ramp detector and the main line and ramp demands. After a period is finished, the processing control center judges whether the main line blockage is finished or not according to the detection speed and the time occupation rate of the main line upstream detector, continues to perform signal control if the blockage occurs and stops signal control if the blockage does not occur. The system releases main line and ramp vehicles in turn in an expressway blockage period through the collaborative signal, changes two orderless conflict flows into an order saturate flow, improves the bottleneck point passing capacity of the main line and greatly improves the convergence safety.

The invention discloses a signalized intersection non-motor vehicle lane channelizing control method under expansion effect. The method includes the following steps: step 10), utilizing a video detector for data collection; step 20), extracting data; step 30), building a vehicle traveling simulation module; step 40), simulating expansion effect; step 50), performing non-motor vehicle lane channelizing control. By the method, interference caused to street crossing of motor vehicles by non-motor vehicles can be lowered, street crossing delay of the motor vehicles can be reduced, and running efficiency of a signalized intersection can be improved.

The present invention relates to an image display device (1) comprises at least one spatial light modulator (2), at least one point light source (3), wherein the light source (3) is placed in front of the spatial light modulator (2). The display device is suitable for wearable Augmented Reality (AR) and 3D displays.

The invention discloses a separated left turn lane design and related intersection channelization, signal phase and timing setting method. The method comprises the following steps: step 1, a separated left turn lane selection is adopted in the intersection; step 2, the separated left turn lane is designed; step 3, channelization and signal timing design are carried out on an upstream intersection; and step 4, channelization and signal phase design are carried out on a target intersection. The separated left turn lane design method can improve the passing efficiency at the intersection; compared with the traditional lane design method, the upstream intersection can be used for eliminating conflict between left turn traffic at the target intersection and reverse straight traffic, no new signal lamps need to be added, and the method can be flexibly applied to one or more lanes.

The invention discloses a taxiway path optimizing method based on collision detection. In the sliding process of an aircraft, possible cross point collisions, butt collisions and rear-end collisions are detected, and a sliding path is optimized through an improved A* algorithm on the basis of avoiding the collisions. According to the method, the collision problems possibly happening to the aircraft in the sliding process are fully considered, the collisions are avoided, on the premise of guaranteeing safety, the aim of the shortest sliding path is achieved, and then the airport surface running efficiency is improved.

An solid state scanning system having a single crystal silicon deflection mirror and scanning mirror is integrated with a light source. Separation of the micro-electro-mechanical systems and light emitters on separate substrates allows the use of flip-chip and solder bump bonding techniques for mounting of the light sources. The separate substrates are subsequently full wafer bonded together to create an integrated solid state scanning system.

The invention discloses an electric power distribution network reliability relevance and evaluation model based on the DS evidence and the variable weight theory and a construction method thereof. Themodel involves electric power distribution network reliability double-level evaluation indexes, including upper-level indexes and lower-level indexes; the upper-level indexes are indicated as 'factorlevel'; the lower-level indexes are indicated as 'performance level'; the method includes the steps of analyzing influence factors of the electric power distribution network reliability, and definingthe double-level evaluation indexes of the electric power distribution network reliability and the influence factors; establishing a single gray correlation model between the electric power distribution network reliability double-level evaluation indexes; establishing a comprehensive gray correlation model between the electric power distribution network reliability double-level indexes based on the entropy weight method and the DS evidence theory respectively; considering the balance of all the influence factors, introducing the variable weight theory to establish an evaluation model of the electric power distribution network reliability, and obtaining a comprehensive score of the reliability planning scheme. The model and the method solve the problems of subjectivity and one-sidedness ofthe single gray correlation model, consider influences of factor changes on weight, and enable evaluation results to be closer to a true value.

The invention discloses an emergency obstacle avoidance automatic-driving assistance torque calculation method based on intention of a driver. The emergency obstacle avoidance automatic-driving assistance torque calculation method based on intention of the driver comprises the steps that first, the behavior of the driver is used as the input to identify the current intention of the driver, a Mobiey sensor is used for collecting information required for vehicle emergency obstacle avoidance path planning in real time, a chaotically optimized artificial potential field emergency obstacle avoidance automatic-driving assistance control method is used for solving optimal steering assistance guiding torque, people are assisted to drive a vehicle, and the driving state of the vehicle is changed; and then the input of the driver and vehicle state parameters after an emergency obstacle avoidance assistance system is involved are used as the input to identify the intention of the driver at the moment for the second time; and finally, based on the judgment result of the two-time intention of the driver, it is determined whether a steering assistance guidance torque complete involving method isadopted to complete the emergency obstacle avoidance working condition of the vehicle or not. The intention of different drivers can be effectively identified, amount of calculation is small, real-time control is achieved conveniently, the planned obstacle avoidance assistance steering torque is safer and more reliable than a traditional method, and the emergency obstacle avoidance working condition can be effectively completed.

Methods, apparatus, and computer-readable media are provided for ensuring compatibility between an operating system and a BIOS redirection component. According to one method, in conjunction with the execution of the BIOS redirection component, a determination is made as to whether the operating system has allocated one or more resources of a computing system in a manner that indicates that a conflict between the BIOS redirection component and the operating system may occur. If the operating system has allocated resources in a manner that indicates that a conflict may occur, computing resources utilized by the BIOS redirection component may be preemptively released in a manner likely to eliminate the possible conflict.

The invention discloses a method and a device for constructing a topographic map based on a multi-quadrangle mesh. The method comprises the following steps: constructing a multi-quadrangle base mesh body composed of multiple quadrilateral surface patches according to topographic space data, and determining the adjacency information of each quadrilateral surface patch; selecting effective quadrilateral surface patches according to viewpoint parameters and a default resolution, wherein the effective quadrilateral surface patches are quadrilateral surface patches in a visible area of the multi-quadrangle base mesh body; triangularizing the effective quadrilateral surface patches in sequence, segmenting the effective quadrilateral surface patches into multiple triangular sub-patches, and determining the adjacency information of each triangular sub-patch; and performing combination according to the adjacency information of the effective quadrilateral surface patches and the adjacency information of the triangular sub-patches, and determining a combined topographic map. Global triangularization is performed by recording global adjacency information, seams are removed effectively during triangularized combination, the global consistency of mesh triangularization between surface patches is ensured, and extra seam sewing operation is avoided.

A data storage device that can be reversibly associated with one or more of a plurality of hosts. A “trusted” host on which the device is mounted is allowed access to a secure data area of the device automatically, without the user having to enter a password. Ways in which a host is designated as “trusted” include storing the host's ID in a trusted host list of the device, storing a representation of the host's ID that was encrypted using a trust key of the device in a cookie in the host, or storing a storage password of the device in a password list of the host. Alternatively, an untrusted host is allowed access to the secure data area if a user enters a correct user password.

A step apparatus for heavy construction equipment and tree harvester having a leveling system for controlling a horizontal level of a cab and an upper frame is provided, which includes a step protector including a main body fixedly installed on one side of an upper frame, a step guide hole opened from an inside of the main body to an outside, a guide rail formed along a length direction of an inner side wall of the main body, and an insert hole formed on one side of the guide rail and open toward a vertically upward direction of the guide rail; a side step including a plurality of foot steps arranged at specified intervals on a step frame to form stairs, a step drawer formed on an upper part of the step frame and seated in the step guide hole, and a guide pin positioned adjacent to the step drawer and projected toward the side wall of the main body, wherein when the guide pin is slid along the guide rail, the step frame is seated in the main body or is drawn out from the inside of the main body; and a folding actuator including a cylinder rod coupled to the step drawer to be extended and contracted, the folding actuator drawing the step drawer to the inside of the main body of the step protector.

A horseshoe load cell is designed to aid in optimizing sucker rod oil production, to improve the installation and removal process for polished rod load cells. This device includes top and bottom washers, a retaining plate and associated bolts. The washers may be used to hold the load cell in the proper position on the polished rod. These washers may also be made in a variety of sizes to accommodate a range of polished rod sizes. An anti-rotation bar can be included to eliminate conflicts between load cell cabling and rod-rotator operation. The anti-rotation bar may have a hole for a quick link to absorb cable tension, reserving the cable strain relief for weatherproofing. The combination of the washers, the specially designed arms and the hole placement in the arms centers the load between the strain gauges, maximizing measurement accuracy. Two sets of strain gauges may be placed on each arm symmetrically around the rod string, providing an effective measurement method. Varying arm sizes and hole placements can be included to allow for different load ratings.

The invention discloses a digital image creditability measurement method based on a D-S evidence theory, which is characterized by comprising the following steps of: constructing a falsifying feature set for feature comparison and establishing a digital image creditability measurement model; self-inspecting the digital image creditability measurement model; extracting corresponding falsifying features for an unknown image and predicting the unknown image by using the established digital image creditability measurement model; and finally processing a predicting result by using the D-S evidence theory and giving the measurement result and a credibility interval of the unknown image. The invention is used for comprehensively measuring stenography security, falsifying integrity and source reliability of the digital image.

The invention provides a control method of a cloud computing distributed search engine. The method includes the steps that data which needs to be uploaded to an SaaS cloud platform by a client is divided into multiple independent data tables; the independent data tables are sorted according to a predefined sorting rule; after the SaaS cloud platform receives encrypted data, integrity verificationis conducted on the data, and then the data is saved in a storage node. By means of the control method of the cloud computing distributed search engine, cloud platform data resources can be rapidly and safely accessed, and the creditability of a system is improved; the encryption and decryption computation overhead of an administrator and the client is reduced, and the security of data storage isimproved.