38 results about "Transit time" patented technology

The invention relates to a method for determining a speed of a vehicle (10), in particular a rail vehicle (10), during travel on a travel path (14), the vehicle (10) comprising two sensor units (16a; 16b) of the same design and the second sensor unit (16b) being mounted on the vehicle (10) at a distance along a direction of travel of the vehicle (10), and the method comprising the following steps: • reading in first and second sensor data captured by means of the first and second sensor units (16A; 16B) during the travel on the travel path (14), the first and second sensor data representing the same physical property of the travel path (14); • determining a transit time difference on the basis of the read-in first and second sensor data, which transit time difference has a value from a set of specified quantized values due to a quantization effect resulting from a specified capture rate of the sensor units (16a, 16b); • reading in specified speed error information which represents a statistical distribution of a speed error; and • determining a speed of the vehicle (10) on the basis of the determined transit time difference and the read-in speed error information by means of a computing unit (20) in order to provide a speed value or speed curve corrected in view of the quantization effect.

A method performed by an electronic device for predicting a turnover time of a container is disclosed. The method includes obtaining shipping data associated with shipping of one or more containers. The method includes generating a turnaround time parameter indicative of a turnaround time of the container by applying a predictive model to the shipping data based on the shipping data. The method includes providing an output based on the turnaround time parameter.

A computer-implemented method includes receiving information of a logistics network representing a factory and associated suppliers of parts, evaluating a first transit time required to receive parts across the logistics network, for each supplier of the associated suppliers creating a digital copy of the logistics network in which a node connecting the supplier to the factory is removed from the digital copy of the logistics network, evaluating a second transit time required to receive parts, for a supplier of the associated suppliers having an impact metric above a threshold identifying a substitute supplier that ships to the factory in the logistics network, and in an event of failure of a given node in the logistics network, replacing in the logistics network a given supplier that uses the given node to ship to the factory and that has an associated impact metric above the threshold with the substitute supplier.

A method for classifying the height of an object by means of at least one ultrasonic sensor of a vehicle is disclosed. The method includes emitting an ultrasonic signal by the ultrasonic sensor of the vehicle in a transmission cycle; and performing a reception cycle, wherein the reception cycle has a reception time window which makes it possible to receive echoes having a transit time which corresponds to at least double a reception range of the ultrasonic sensor. It is checked whether echoes were received in the reception cycle. A detected object is classified in a height class depending on whether at least a first and a second echo were received, wherein the transit time of the second echo is an integer multiple of the transit time of the first echo.

A communication system includes a distributed unit (DU). The DU estimates distance information, converts the distance information into a transit time difference, and adjusts a transmission window according to the transit time difference, in which start and end points of the transmission window move according to the transit time difference.

Method for measuring a temperature change (TINC) in a cable (K) of a vehicle, wherein the cable (K) connects at least two control units (A and B) of the vehicle, the cable (K) is configured at least to transmit signals between the control units (A, B), and each control unit (A, B) includes a crystal for time measurement, wherein this time measurement is configured to determine a hardware time of the control unit (A, B), where It is taken into account that a temperature change (TINC) of the cable (K) slows down the transmission of the signals carried through the cable (K), and To measure the temperature change (TINC), a measurement of the transit time change of at least one signal between the control units (A and B) is carried out, whereby a. To synchronize the hardware times of two control units (A and B), an Ethernet-based time synchronization protocol is used, in which one control unit (A, B) is a master and the other control unit (B, A) is a slave, the hardware time of the slave (B, A) is synchronized with the hardware time of the master (A, B), and to distinguish whether measured values ​​obtained from the measurement originate from the crystal of at least one control unit (A, B) or have resulted from the temperature change (TINC) of the cable (K), control unit (A) and control unit (B) each assume the role of master (A, B) once during one execution of the steps specified by the time synchronization protocol, thus the measurement is carried out in two configurations, while the other control unit (B, A) assumes the role of slave.and a delay in the arrival of the messages in both constellations is used to infer the temperature increase (TINC) of the cable (K) and / or , b. To detect an average temperature change (TINC), a number N of sets, each with at least one measured value, are compared, wherein at least a part of the time window during which the measured values ​​were obtained is divided into N intervals, and each measured value of an i set from the N sets was obtained at a time point which lies in the i interval of the considered part of the time window, a point representative of the measured values ​​of each of the N sets is determined, these points are arranged such that the representative point of set i is positioned on a time axis before the representative point of set i+1, and an average temporal change of temperature (TINC) is determined from this and / or c. a temperature-changing control unit (A, B) can be inferred from the knowledge of a cable routing in the vehicle and from the knowledge of the temperature change (TINC) in at least one cable (K) whose cable routing is known.

Systems and methods are disclosed herein for syntonizing machines in a network. A coordinator accesses probe records for probes transmitted at different times between pairs of machines in the mesh network. For different pairs of machines, the coordinator estimates the drift between the pair of machines based on the transit times of probes transmitted between the pair of machines as indicated by the probe records. For different loops of at least three machines in the mesh network, the coordinator calculates a loop drift error based on a sum of the estimated drifts between pairs of machines around the loop and adjusts the estimated absolute drifts of the machines based on the loop drift errors. Here, the absolute drift is defined relative to a drift of a reference machine.

Method for determining position using an ultrasonic sensor system (10) comprising at least one ultrasonic sensor (12a, 12b, 12c, 12d), the method comprising the steps of: - generating a control signal (S10) for emitting an ultrasonic signal (18) at a time t s ; - Receiving within a time window at least one reflection signal (24) (S12) within the time window at a time t e and determining a position (S14) of an object (22) at which the ultrasonic signal (18) was reflected, wherein the position is determined based on the transit time of the ultrasonic signal (18); and - performing a measurement adjustment, wherein the measurement adjustment comprises either shortening the time window for receiving reflection signals (24) (S16a) or wherein the measurement adjustment comprises discarding the measured values ​​from the at least one ultrasonic sensor (12a, 12b, 12c, 12d) after the time defined by the threshold value or the time t e defined point in time until the end of the time window.

In accordance with one aspect, a system includes at least one processor and one or more memory storing instructions. The instructions, when executed by the at least one processor, cause the system at least to perform: displaying a geographical map region containing a physical address entered by a user; determining at least one geographical boundary including at least one of: a transit-time boundary or a transit-distance boundary with respect to the physical address; and displaying the at least one geographical boundary on the geographical map region.

A system for testing a transit time measuring apparatus (1) is described, the system comprising: a fluid circuit (2), comprising: a pressure vessel (3) which comprises at least one movable surface element, and a pump (4), wherein the pressure vessel (3) and the pump (4) are designed to interact in such a way that time-dependent changes in the length of a path (5) between one section of the surface element (9) and another section of the pressure vessel (10), over which path (5) the transit time is to be measured, are effected. Corresponding methods and uses of the system are also described.

The invention belongs to the technical field of intelligent logistics, and provides an intelligent linkage recommendation engine method based on multimodal transport, which comprises the following steps: S1, carrying out data acquisition; s2, performing data processing and feature extraction; the extracted key features comprise node capacity and a transit time threshold; s3, generating and optimizing a logistics scheme through an intelligent recommendation engine; the method comprises the following steps: carrying out space-time network modeling, modeling a multimodal transport network into a dynamic space-time diagram, carrying out node flow prediction and resource pre-allocation after modeling is completed, and generating a resource reservation voucher; the step comprises transfer time optimization execution: calculating an optimal operation time window through a time window scheduling algorithm based on a resource reservation voucher, and if the actual waiting time in the transfer process exceeds a certain proportion of a predicted value, triggering reinforcement learning dynamic adjustment and reallocating resources; and S4, interacting with a user, and outputting a recommendation scheme to the user. According to the method, the problem of resource conflict is solved, and the single-time transportation cost is reduced through multi-mode combined transportation path intelligent planning.

Techniques and systems for unlocking a first device based on signals transmitted between the first device and a second device are disclosed. A disclosed technique includes receiving, by a first device, at least one wireless signal from a second device; transmitting, by the first device, at least one wireless signal to the second device; determining, by the first device, transit times of the at least one received wireless signal and the at least one transmitted wireless signal; determining, by the first device, one or more range measurements between the first device and the second device based at least in part on the transit times; determining, by the first device, an unlock decision based at least in part on the one or more range measurements; and causing, by at least the first device, the first device to unlock if the unlock decision is positive.

Optoelectronic device with at least two optoelectronic circuits (2, 4a, 4b) for transmitting an optical clock signal to an electronic component (40-47, 74a, 74b), a control device (78a, 78b) for controlling the propagation times of the optoelectronic circuits and at least two electronic components (40-47, 74a, 74b), each of the at least two optoelectronic circuits (2, 4a, 4b) with: - a clock generation device (25) for generating the optical clock signal, - a converter element (30-37, 73a, 73b) for converting the optical clock signal into an electrical clock signal supplied to the electronic component (40-47, 74a, 74b), and - an optical line (60, 72a, 72b) from the clock generation device (25) to the converter element (30-37, 73a, 73b), wherein the optoelectronic circuit (2, 4a, 4b) has an adjustable optical element (60, 72a, 72b) for setting a propagation delay between the clock generating device (25) and the electronic component (40-47, 74a, 74b), where the optical line (60, 72a, 72b) is the adjustable optical element (60, 72a, 72b), wherein the transit time is adjustable by changing an optical length of the optical line (60, 72a, 72b), wherein the optical line (60, 72a, 72b) has a plurality of heating elements (61, 79a, 79b) for heating the optical line (60, 72a, 72b), wherein the optical length of the optical line (60, 72a, 72b) is adjustable for setting the transit time by heating the optical line (60, 72a, 72b), and wherein the control device (78a, 78b) is configured to individually control the individual heating elements (61, 79a, 79b) to generate a temperature gradient in order to compensate for a temperature gradient (62) within the optoelectronic device by means of this temperature gradient generated as a counter-gradient.

The invention relates to a method for determining a speed of a vehicle (10), in particular a rail vehicle (10), when traveling along a track (14), wherein the vehicle (10) comprises a first sensor unit and a second sensor unit (16b) which is identical in construction to the first sensor unit (16a) and arranged at a distance along a direction of travel of the vehicle (10) on the vehicle (10), and the method comprises the following steps: - reading in first sensor data acquired by the first sensor unit (16a) when traveling along the track (14) and second sensor data acquired by the second sensor unit (16b), wherein the first and second sensor data represent the same physical property of the track (14); - determining a propagation time difference based on the read-in first and second sensor data, which has a value from a set of predetermined quantized values ​​due to a quantization effect caused by a predetermined detection rate of the sensor units (16a, 16b); - Reading in a predetermined speed error information representing a statistical distribution of a speed error; and - Determining a speed of the vehicle (10) based on the determined travel time difference and the read-in speed error information by means of a computing unit (20) in order to provide a speed value or speed curve corrected taking into account the quantization effect.

A system including a processor and a non-transitory computer-readable media storing computing instructions that, when executed on the processor, cause the processor to perform certain operations: identifying a first transit time of a first load that is different from a second transit time of a carrier for the first load; tuning a load generation model using a slackness allowance function; generating, using the load generation model with the slackness allowance function engaged, multiple slackness time windows with corresponding slackness penalties for the first load; and determining a third transit time based on a slackness time window of the multiple slackness time windows and a corresponding slackness penalty for the first load. Other embodiments are disclosed.

The invention relates to a method for determining the control unit temperature in a motor vehicle by means of Ethernet, comprising the steps of: determining a transit time of a first signal on a first connection path between a first server ECU of the Ethernet vehicle electrical system and a second server ECU of the Ethernet vehicle electrical system; determining a maximum speed of the first connection path on the basis of the transit time; identifying at least a first server ECU of the Ethernet vehicle electrical system; synchronising at least a first server ECU of the Ethernet vehicle electrical system; determining the synchronisation interval; determining a timestamp of the first server ECU; reading a timestamp or querying the clock time of the first server ECU; comparing the timestamp with a reference clock of the Ethernet vehicle electrical system; carrying out a transit time measurement; determining the speed of the associated clock generator; determining the time difference of the synchronisation interval; determining the last synchronisation.

The invention provides a measurement method, a measurement device, a measurement system, and a measurement program product, which can calculate a travel speed function with high precision when a railway vehicle travels on a bridge while decelerating or accelerating. A measurement method includes: an observation data acquisition step of acquiring observation data output from an observation device; a passage time calculation step for calculating, on the basis of the observation data, a bridge entry time at which the railway vehicle enters one end of the bridge and a bridge exit time at which the railway vehicle leaves the other end of the bridge, and calculating, as a passage time, the time of the difference between the bridge exit time and the bridge entry time; and a travel speed function calculation step, the distance between the stop position of the railway vehicle and the position of the end portion of the bridge near the stop position, and the length between the front surface of the head vehicle of the railway vehicle and the head axle are determined based on the passing time, the traveling distance of the railway vehicle in the passing time, the distance between the stop position of the railway vehicle and the position of the end portion of the bridge near the stop position, and the length between the front surface of the head vehicle and the head axle. And calculating a running speed function when the railway vehicle runs on the bridge.

The invention provides a production scheduling method and system, and the method comprises the steps: obtaining a production process of a target product, the production process comprising a plurality of process stages, and each process stage comprising a plurality of production stations; obtaining the process stage of the current production station, and when the process stage is in the middle process stage of the production process, according to the first position of the current production station, determining the production station which meets a preset scheduling condition and is closest to the first position as a target station; and controlling the production line to move the target product between the current production station and the target station. According to the method, the actual situation on a production line is fully considered, and the circulation time and the waiting time of the target product between the processes can be reduced to the maximum extent, so that the production efficiency is improved.

The application discloses a method for determining an optimal path of an iron-water combined transportation network under uncertain transfer time conditions, comprising the following steps: 1, collecting road network data under railway and waterway transportation modes; 2, establishing an optimal path selection model of the iron-water combined transportation network under uncertain transfer time conditions; 3, transforming uncertain time constraints in the optimal path selection model; 4, loading the iron-water combined transportation network based on the transformed model, and determining road section states and node calculation sequences based on topological sorting; 5, based on the node calculation sequences, establishing a transfer time set of all nodes of the iron-water combined transportation network, an iron-water combined transportation scheme road section time cost set and an iron-water combined transportation scheme road section transportation cost set; 6, inputting model time and cost sets, and solving the optimal path of the iron-water combined transportation network by using topological sorting; and 7, determining and outputting an optimal path set of the iron-water combined transportation network with the minimum transportation cost under the condition of meeting time cost constraints.

A method and apparatus for measuring the thickness of hydrate deposits in pipelines based on ultrasonic transit time. The method includes: S1. Installing and fixing an ultrasonic transducer to the outer wall of a pipeline, making it perpendicular to the pipeline axis and pointing towards the center, and placing a coupling agent between the transducer and the pipeline wall; S2. Emitting an ultrasonic signal through the ultrasonic transducer, which is received by the transducer after being reflected by the coupling agent, the pipeline wall, and the hydrate deposit layer; S3. Performing noise reduction and feature extraction processing on the received echo signal to extract the pulse signal entering the hydrate deposit layer and its echo signal, and calculating the transit time between them; S4. Calculating the thickness of the hydrate deposit layer based on the transit time and the propagation speed of the ultrasonic wave in the hydrate deposit layer. This invention enables non-invasive online monitoring of hydrate deposits in pipelines, does not affect normal pipeline production, can provide early warning of hydrate blockage risks, is suitable for non-waterlogged terrestrial environments, and has small measurement errors.

The invention discloses a time difference type gas ultrasonic flowmeter-oriented transit time measuring method and system based on a frequency doubling technology. According to the system, by performing frequency multiplication processing on an ultrasonic echo signal, the slope of a signal rising edge is improved, and the time interval that comparator output is influenced by random noise is shortened, so that the transit time measurement precision is improved. The method comprises the steps that frequency doubling is conducted on echo signals through a frequency doubling circuit, frequency doubling signals are extracted through a band-pass filter, and then the transit time is measured through a threshold value method. Experimental results show that the technology enables the transition time measurement standard deviation to be averagely reduced by 28.73%. The relative error of flow measurement is controlled within + / -2%, the repeatability is superior to + / -0.2%, and the overall anti-noise performance is obviously superior to that of a traditional method. In order to solve the problem of cycle hopping in transit time measurement, abnormal value elimination is carried out by adopting a fixed spacing guide clustering algorithm, the calculation complexity is reduced, the real-time performance is improved, and the method has important theoretical value and wide engineering application prospects.

The present invention discloses an arrival sorting method and electronic terminal based on multi-metering point constraints, including: screening the arrival and landing flights in the terminal area, determining whether the arrival and landing flights participate in the sorting; pre-processing the arrival and landing flights participating in the sorting, establishing a sorting queue, and allocating runways and arrival routes to the flights; obtaining the metering point sequence to be calculated for the flight, dividing the delay allocation route segments; considering the operational constraints, taking the minimum delay of a single flight as the goal, sorting the arrival flights and performing delay calculation and delay allocation, obtaining the recommended transit time and recommended landing time of the metering point of each arrival flight, as well as the delay time and delay absorption strategy of the flight in each route segment; updating the recommended transit time of the arrival and landing flights at all waypoints on the route. The method of the present invention realizes the sorting of the arrival and landing flights at the metering points and runway ends, provides accurate and feasible auxiliary decision-making suggestions for the approach, and increases the stability of the arrival sorting queue.

The invention discloses a flight channel adjustment method and device, relates to the technical field of flight channel adjustment, and aims to obtain flight channel data only by automatically counting flight scheduling data without depending on manual channel reservation and statistics. According to the flight channel data, whether available maintenance channels of aircrafts in overnight bases without maintenance capacity meet future regular check requirements or not can be automatically and quickly counted, and the maintenance channels are determined according to the aircraft type base maintenance information and the flight channel data. Maintenance channel marks are marked on flight lines related to connection change after evaluation in a maintenance channel, channel evaluation is closer to the real operation condition by comprehensively considering actual constraints such as aircraft types, station-crossing time and aircraft exchangeability, misjudgment is reduced, and therefore in flight plan arrangement, the reliability of flight planning is improved. And enough flight maintenance channels can be quickly and accurately reserved for aircrafts of the same type in an overnight base without maintenance capability.

A non-destructive testing method for assessing the suitability of a prestressed concrete sleeper (1) as a track sleeper in a track bed for a railway network is proposed, comprising: arranging (1100) the prestressed concrete sleeper (1) to be tested in a coupling fluid (2); positioning (1200) a pair of ultrasonic probes (3) on both sides of the prestressed concrete sleeper (1) to be tested at a respective defined distance (1c1, 1c2) and at a respective defined angle to the surfaces of the prestressed concrete sleeper (1) in at least one measuring position; emitting (1310) an ultrasonic signal by an ultrasonic probe of the pair of ultrasonic probes (3) configured as a transmitter (3.1) and receiving (1320) a transmission signal by a receiver (3.1).2) configured ultrasonic probe of the pair of ultrasonic probes (3), wherein the transmission (1310) and reception (1320) take place in the at least one measurement position; determining (1400) an ultrasonic transit time (t. s) of the ultrasonic signal emitted and received in the concrete of the prestressed concrete sleeper (1) in the at least one measuring position; and evaluate (1700) the prestressed concrete sleeper (1) as suitable for use as a track sleeper in the track bed if the determined ultrasonic transit time in each measuring position of the at least one measuring position is below or corresponds to a respective threshold value, and as unsuitable for use of the prestressed concrete sleeper (1) as a track sleeper in the track bed if the determined ultrasonic transit time in at least one measuring position of the at least one measuring position is above the respective threshold value.Furthermore, a system (100, 110, 120, 130) for testing and / or certifying a prestressed concrete sleeper (1) using the designated non-destructive testing method (1000) is proposed, as well as its proper use and the reuse of a prestressed concrete sleeper (1) found to be suitable in the non-destructive testing method (1000) in a track bed is proposed.

This invention discloses a method for managing highway toll station lanes and a storage medium, relating to the field of transportation technology. It aims to solve the current problem of not being able to automatically derive lane management methods based on the actual conditions of highway toll station lanes. The key technical points are: Step 1, collecting data on several ETC lanes from a single day of the previous year; Step 2, dividing the ETC lane data into 24 time periods; Step 3, establishing an ETC overshoot standard based on the ETC lane data within several individual time periods, the ETC overshoot standard including average vehicle speed. Average number of vehicles per lane Average transit time Step 4: Statistically analyze real-time ETC lane data and extract time intervals between 5 and 10 minutes to estimate hourly data. Compare this data with the ETC overrun standard. If the comparison is successful, proceed to the next step; otherwise, reset Step 4 after a full hour interval. This invention can determine whether to reduce the number of real-time ETC lanes and convert them to manual lanes based on highway toll station data, providing a reference for users.

Sensor (10) for determining a transit time, in particular a distance according to a pulse-based transit time method, comprising a transmitter (12) for emitting a signal pulse (14) triggered by a transmit pulse, a receiver (22) for generating a receive pulse from the signal pulse (20) reflected or remitted by an object (18a-b) and received again, and a control and evaluation unit (24) configured to determine a transit time from the transmit pulse and the receive pulse and, over a measurement period (28), to trigger or transmit a further signal pulse (14) upon receipt of a receive pulse, such that the received signal pulse immediately triggers the next emitted signal pulse, so that during the measurement period (28) more signal pulses (14, 20) travel back and forth for a nearby object (18a) than for a distant object (18b).and wherein the runtime is determined directly or indirectly from the ratio of a counting information and the measurement duration, wherein the counting information is proportional to the number of signal pulses triggered or passed through the measuring section during the measurement duration.

Examples provide a dynamic distance matrix model for optimizing routing within a retail facility and minimizing time consumed in transit. A distance manager calculates physical distance and average transit time for each path in a plurality of possible paths from a source location to a destination location within a retail facility using coordinate data, item location data and historical distance data. The shortest path is selected from the plurality of possible paths based on the physical distance and / or the average transit time for each possible path. A distance matrix is updated with the distance data for the shortest paths between selected source and destination locations in the retail facility. The distance matrix is updated in real-time based on changes in item assortment, item layout, and the locations of obstructions enabling optimized routing of users within the retail facility to minimize distance traveled and transit time.

Examples provide dynamic delivery promises based on machine learning (ML) predicted transit time to improve promise accuracy and on-time delivery. Actual transit times for previous package deliveries are obtained from historical order data. The actual transit times are weighted based on recency data. A weighted mode is calculated for each shipping lane in a plurality of shipping lanes used to transport packages from a source to a destination location via a carrier method. The mode is calculated based on time period and actual transit times for that time period. Future predicted transit times for each shipping are generated using estimated ship dates and lane-specific modes. The predicted transit times are used to assign a more accurate and reliable delivery promise date to future orders. The promise dates are customized in real-time at a weekday level and a shipping lane level for increased on-time package deliveries.

Time-of-flight camera (20) for a time-of-flight camera system (1), with a light transit time sensor (22) with several light transit time pixels (23) for determining a phase shift of an emitted and received light (Sp2), where distance values ​​(d) are determined based on the detected phase shifts (Δφ), wherein the time-of-flight camera (20) has a memory in which at least parameters of a point spread function (PSF) are stored, wherein the point spread function (PSF) takes into account a scattered light behavior and a signal crosstalk of the time-of-flight camera (20) and the time-of-flight sensor (22), with an evaluation unit which is designed in such a way that a captured image (I(x)) is reduced in resolution, and that a correction (ΔI(x)) with this reduced resolution is determined based on the stored point spread function (PSF), where the correction (ΔI(x)) is then upscaled to the original resolution of the acquired image (I(x)), and the acquired image (I(x)) is corrected with the upscaled correction (ΔI(x)), whereby the determination of the phase shifts (Δφ) or distance values ​​(d) is carried out on the basis of a corrected image (I0(x)).

A system including a processor and a non-transitory computer-readable media storing computing instructions that, when executed on the processor, cause the processor to perform certain operations: identifying a first transit time of a first load that is different from a second transit time of a carrier for the first load; tuning a load generation model using a slackness allowance function; generating, using the load generation model with the slackness allowance function engaged, multiple slackness time windows with corresponding slackness penalties for the first load; and determining a third transit time based on a slackness time window of the multiple slackness time windows and a corresponding slackness penalty for the first load. Other embodiments are disclosed.