78 results about "Trip distance" patented technology

Advantageous systems and methods are provided for tracking the transportation of passengers. In general, the systems and methods utilize GPS signals associated with each of a passenger and a transportation vehicle to determine at least one of: (i) a start point for the passenger traveling via the transportation vehicle and (ii) an end point for the passenger traveling via the transportation vehicle. The determination of the start and / or end points for the passenger traveling via the transportation vehicle may advantageously facilitate ticketing, e.g., by automatically validating / calculating trip cost, trip duration, trip distance, etc.

The invention relates to a regeneration time control method for a DPF (Diesel Particulate Filter) of a diesel engine. The method comprises the following steps: measuring a pressure difference value of both ends of the DPF in real time by utilizing a pressure difference sensor; obtaining an estimated value of a DPF carbon carrying quantity by looking up a table; simultaneously monitoring whether the estimated value of the DPF carbon carrying quantity has the suddenly-reduced phenomenon; when the estimated value of the DPF carbon carrying quantity has the suddenly-reduced phenomenon, calculating a compensation value of the DPF carbon carrying quantity according to a trip distance and trip time of a vehicle after last regeneration; then adding the estimated value of the DPF carbon carrying quantity and the compensation value of the DPF carbon carrying quantity to obtain a corrected value of the DPF carbon carrying quantity; and finally, according to the size of the corrected value of the DPF carbon carrying quantity, judging whether to trigger the DPF to enter a regenerated state. In the regeneration time control method for the DPF of the diesel engine, the compensation value of the DPF carbon carrying quantity is calculated according to the suddenly-reduced condition of the estimated value of the DPF carbon carrying quantity so as to correct the DPF carbon carrying quantity; the accuracy of estimated data of the DPF carbon carrying quantity when distribution of carbon particles inside a carrier is nonuniform is greatly improved, so that regeneration time is avoided being judged by mistake and safety of a carbon cigarette pellet carrier is ensured.

The invention discloses a real-time road traffic characteristic based motor vehicle emission measuring and calculating method. The method includes steps as follows: establishing vehicle type mapping relation according to vehicle type and preset vehicle type standards in the COPERT model; confirming the basic data including the traffic flow, the overall speed, the motor vehicle technical index database, the atmosphere parameter values, the road length, the motor vehicle inventory, the oil product information, the single traveling trip distance and the single traveling mean time; outputting all basic data obtained in step S2 into the COPERT model, and calculating to obtain the basic emission factor; according to the basic emission factor and the motor vehicle inventory of all vehicle types in the step S3, calculating to obtain the comprehensive emission factor of all vehicle types; according to the comprehensive emission factor of all vehicle types in the step S4, calculating the road source intensity; and further, according to the road source intensity obtained in the step S5 and the road length in the step S2, calculating the emission.

The invention provides a non-pneumatic safety tire, which comprises a tread, an outer ring, a support body and an inner ring from the outside to the inside in order. The tread is bonded or vulcanized on the outer ring, the support body is arranged between the inner ring and the outer ring along the radial direction and circumferential direction from the outer ring, multiple groups of damping units and support ribs, each group of damping unit consists of two sets of damping structures, and two sets of damping structures are circumferentially disposed with the radial direction as the symmetric axis. The non-pneumatic tire provided by the invention has good bearing capacity, and by means of wheel disk thickening and multiple damping hole diameter change, the bearing capacity of the tire can be enhanced. The non-pneumatic safety tire not only has the carrying capacity and static rigidity characteristics of pneumatic tyres, but also has rationally distributed ground pressure, the abrasion resistance and trip distance of the tire are increased, especially the reasonable distribution of multiple damping holes and support ribs in the radial and circumferential direction can enhance the carrying capacity of the tire and also can improve the static rigidity of the tire.

An automated simulator for radar and sonar applications. The inventive simulator is implemented in hardware and generates current parameters with respect to a simulated target in response to a plurality of initial values with respect thereto. In the illustrative embodiment, the initial values include range, velocity, and acceleration and are stored in first, second and third register respectively. In the best mode, the invention is implemented in a field-programmable gate array. The inventive target simulator also includes a range delay circuit for generating a simulated return from the simulated target. The range delay circuit includes logic for determining whether a simulated pulse train to be received is ambiguous or unambiguous and adjusting the pulse repetition rate of the pulse train accordingly. The range delay circuit calculates die initial time that a packet needs to make the trip to and from the target. Then, in the ambiguous case, the circuit only calculates how long it takes between pulses to arrive rather than the entire round trip. When the round trip distance and the ambiguous time are identical, the range delay circuit calculates both ambiguous and unambiguous signals and signals the return of whichever type arrives first. After the initial rate is calculated then the shortest calculation between the ambiguous and unambiguous pulses determine the timing for the next returned pulse.

An ultrasonic sensor includes a transmitting device, a receiving device, and a circuit device. The circuit device determines that the receiving device receives an ultrasonic wave reflected from an object, when an output voltage of the receiving device is equal to or greater than a first threshold. The circuit device includes a humidity detection section configured to detect an ambient humidity of the transmitting and receiving devices and a threshold adjustment section configured to calculate, based on the detected ambient humidity, a sound pressure of the ultrasonic wave that is received by the receiving device after propagating over a round-trip distance between the ultrasonic sensor and the object. The threshold adjustment section reduces the first threshold, when the output voltage corresponding to the calculated sound pressure is less than a second threshold that is greater the first threshold.

The invention discloses a charging path planning method and device for an electric automobile to solve the problem that emergency charging is required during a trip process of an electric automobile user. The method considers real-time dynamic energy consumption during driving. The method mainly includes the following steps: calculating an average energy consumption value of the electric automobile under various driving working conditions according to historical driving working condition data of the electric automobile; calculating dynamic remaining electric quantity after the electric automobile passes through each road section according to a real-time driving working condition dynamic state of each road section during the driving; calculating user trip distance, trip time and charging cost based on real-time traffic information published by the Internet and information published by a charging station operation monitoring system; and planning a charging path of the electric automobileby employing an ant colony algorithm, under constraint of battery remaining electric quantity, and taking optimal sum of the trip distance, the trip time and the charging cost as an aim.

The invention discloses a mobile phone signaling data-based urban transportation characteristic determining method, which comprises the steps of preprocessing mobile phone signaling data and quickly extracting an available field to form a storage format employing a user ID as a key field; sorting mobile positions of each user according to time and carrying out denoising according to a speed and angle exception judgment method; forming a convergence point by using a DBSCAN clustering algorithm, and identifying all stay points and stay time of each user every time; and classifying the stay points and calculating the urban traffic generation amount, the traffic attraction amount, the travel times, the average travel times, the travel distance, the commuting trip distance, the living index and the employment index. The urban traffic generation amount, the traffic attraction amount, the travel times, the average travel times, the travel distance, the commuting trip distance, the living index and the employment index are quickly and relatively accurately calculated by fully utilizing mobile phone signaling data, and data support is provided for urban transportation planning, traffic management and traffic strategy research.

A system and method distributes incentive payments to employees performing warehouse tasks to reward productivity. Time-stamped data from sensors on a vehicle having a vehicle code is periodically retrieved to provide trip onset and trip conclusion events and an employee code associated an operator. The data includes a vehicle code trip distance; and any lift events. Job onset and job conclusion events and the employee code associated with each job code as well as time clock events including clock in and clock out data are used to provide segments in a timeline, the segments bounded by trip onset events. Lift time within a segment is derived by adding a fork lowering time equal to any fork raising time to a laden time present within the segment. Aggregating time and movement within a segment to produce a utilization percentage of the segment. A tracked time ratio includes segments within an interval.

The invention provides a time of flight sensing unit and a time of flight sensing system. A time of flight pixel cell includes a photosensor to sense photons reflected from an object. Pixel support circuitry including charging control logic is coupled to the photosensor to detect when the photosensor senses the photons reflected from the object, and coupled to receive timing signals representative of when light pulses are emitted from a light source. A controllable current source is coupled to receive a time of flight signal form the charging control logic to provide a charge current when a light pulse emitted from the light source until the photosensor senses a respective one of the photons reflected from the object. A capacitor is coupled to receive the charge current, and a voltage on the capacitor is representative of a round trip distance to the object. A reset circuit is coupled to reset the voltage on the capacitor after being charged a plurality number of times.

The invention relates to the field of electric vehicles, and discloses a vehicle body control system for an electric vehicle and a method for calculating the road gradient. The vehicle body control system comprises a lamplight control module, an alarm control module, a display control module and a steering control module, wherein at least one control module in the lamplight control module, the alarm control module, the display control module and the steering control module is integrated onto the same integrated chip together with a CPU (Central Processing Unit). The control modules for controlling the working state of each unit is integrated onto the same chip together with the CPU, and are centralized, so that wiring is simplified, wiring harnesses become simpler, and the cost is lowered; the CPU is used for acquiring signals of a three-axle gravity acceleration sensor and automatically calculating the gradient value of a road on which the electric vehicle runs in order to transmit gradient information to the motor controller; the motor controller is used for adjusting the output torque of the motor according to the current road gradient information, so that an intelligent energy output adjusting function is realized, unnecessary consumption of battery power is lowered, and the trip distance is prolonged.

The invention discloses a simulation test method of road surface anti-skidding overlaying material unconsolidation and particle fall, comprising the following steps: 1) overlaying the anti-skidding overlaying material to be tested on the road surface panel surface to be prepared into a test piece; 2) putting the test piece below a tyre; 3) adjusting a frictional force and a wheel pressure applied on the test piece surface by the tyre, and adjusting the opposite trip distance and the travel speed between the tyre and the test piece; 4) carrying out opposite alternate motion to the tyre and the test piece; collecting aggregate particles falling from the test piece surface; and recording the quality of the falling aggregate particles for different times of alternate motion between the tyre and the test piece. The test method for the testing equipment comprise a movable test bed, the tyre, a tyre pressure loading mechanism, a frictional force loading mechanism and a driving mechanism, wherein the test bed can be used for placing the test piece, the tyre is arranged on the test piece, the tyre pressure loading mechanism is connected with the spindle of the tyre, the frictional force loading mechanism is matched with the tread of the tyre, and the power output end of the driving mechanism is connected with the test bed.

The invention relates to a multistatic radar multi-target imaging positioning method which comprises the steps of initializing system parameters, establishing a two-dimensional echo data matrix, conducting a pulse compression processing, constructing an echo signal measurement matrix, setting initial parameters of an adaptive OMP algorithm, finding the maximal coherent item of the echo signal measurement matrix and reconstruction residual errors, updating an index set, reconstructing target scattering coefficient vectors on a round-trip distance unit set, calculating the reconstruction residual errors, calculating the average reconstruction residual error and the average scattering coefficient vector, calculating the average reconstruction residual error changing rate and an average scattering coefficient changing rate, and determining adaptive iteration termination. The average reconstruction residual error changing rate and the average scattering coefficient changing rate are used as determination conditions for determining iteration termination of an adaptive OMP algorithm, and the target number of a detection area is estimated by using the iteration termination frequency of the adaptive OMP algorithm. The multistatic radar multi-target imaging positioning method is applicable to multistatic radar multi-target imaging positioning in actual situation when the target number is unknown.

The invention relates to a method for determining grade allocation of urban roads, which is used for determining grade allocation ratio of the urban roads. The method comprises the following steps: firstly, determining parameters in a microscopic share ratio model of various traffic modes influencing the grade allocation, wherein the traffic modes at least comprise three motor vehicle traffic modes of automobiles, motorcycles and public buses; and then, according to a coupling relation between a priority trip distance of each traffic mode and a trip distance undertaken by each grade road, acquiring the trip distance of each traffic mode on each grade road, and finally acquiring the road grade allocation ratio suitable for the various traffic modes. Therefore, the technical proposal of the invention has the characteristics of comprehensiveness of giving attention to various motor vehicle traffic modes, objective and scientific properties of considering the coupling relation between the priority trip distance of each traffic mode and the trip distance undertaken by each grade road, and the like, namely the method for the grade allocation of the urban roads is more reasonable, achieves effective utilization of resources, and is convenient for people to trip.

The invention discloses a positive pulse device for high-speed slurry under a shaft. The positive pulse device comprises an output terminal, a valve body and generator assembly, an intermediate bearing bush and top assembly which are connected sequentially, wherein the top assembly comprises a piston and a spring which are arranged in a shell on the top and a plunger pump and a tilting tray which are arranged at the upper end of the intermediate bearing bush; the plunger pump comprises a plunger pump shell and a plunger positioned in the plunger pump shell; an oil drainage hole is formed in the shell on the top and is positioned on the end part below the shell on the top; and a return spring is arranged between the shell on the top and the piston. In order to overcome the defect of slow data transmission of the conventional pulser, according to the positive pulse device, parts such as the oil drainage hole, the plunger, the tilting tray and the like are improved, namely a slant angle of the tilting tray is improved, the round-trip distance of the piston is shortened, the speed of pulses is improved, and the return spring is arranged between the piston and the pump additionally to change the response speed of the return stroke of the pulser, so that the response speed of the pulser is improved, and the data transmission speed of high-speed pulse interval data formats is ensured.

Driver braking performance feedback may be conveyed to a vehicle operator as a braking efficiency score using a vehicle display system. The display system may include a vehicle display for displaying a braking efficiency indicator or gauge corresponding to the braking efficiency score. The braking efficiency score may be based on a comparison of the total regenerative braking energy recaptured during at least one braking event to a either a maximum amount of braking energy that may be recaptured during the at least one braking event or an actual total braking energy expended during the at least one braking event. The braking efficiency score may be displayed upon the completion of a braking event or upon a completion of a trip including a plurality of braking events. The display may also convey a distance corresponding to a portion of a trip distance achieved through regenerative braking.

A time of flight pixel cell includes a photosensor to sense photons reflected from an object and pixel support circuitry. The pixel support circuitry includes charging control logic coupled to the photosensor to detect when the photosensor senses the photons reflected from the object. The pixel support circuitry also includes a controllable current source coupled to provide a charge current in response to a time of flight signal coupled to be received from the charging control logic. A capacitor is coupled to receive the charge current from the controllable current source in response to the time of flight signal, and voltage on the capacitor is representative of a round trip distance to the object. A counter circuit is coupled to the photosensor to count a number of the photons reflected from the object and received by the photosensor.

The invention discloses a calculating method and device for trip distance of a car, and aims to solve the problem of the prior art that the a vehicle is just maintained based on the trip distance of the vehicle running along the ground and without consideration on the influence of running under poor road condition on the service life of the vehicle. According to the method and device disclosed by the invention, the influence of the bumpy pavement on the service life of the vehicle is fully taken into account during calculating the equivalent trip distance. The method comprises the steps as follows: the trip distance of the vehicle is taken as the trip distance of wheels running around the pavement when the vehicle is in a running-in period; the equivalent trip distance can be referred to be expressions in the specifications, and the total equivalent trip distance refers to the expression in the specifications; the equivalent trip distance, and the trip distance of the wheels running along the pavement, etc. are added up.

The invention discloses a trip segment identification method based on GPS trajectory data. The method mainly includes the following steps of data cleaning and preprocessing, identification of trip endpoints, removal of false trip endpoints and merging of trip segments. On the basis of integrated advantages of the rule method and the clustering method, the method provides data cleaning and preprocessing processes, noise generated during the identification of trip endpoints and the merging of trip segments are effectively removed, the algorithm is simple and effective and the identification result is accurate and reliable. The distance between adjacent intervals of a trajectory point and the time difference are used for calculating the instantaneous velocity of the point, and the product of the velocity and the time is used for obtaining the trip distance. The method is suitable for trip segment identification based on the GPS trajectory data, GPS trajectory data mining algorithm systems are enriched, and a theoretical support is provided for large-scale travel investigation and promotion based on smart phones.

An apparatus for estimating an influx of a formation fluid into a borehole fluid, the apparatus having: a carrier; an acoustic transducer disposed at the carrier; a first reflector disposed a first distance from the acoustic transducer and defining a first round trip distance; a second reflector disposed a second distance from the acoustic transducer and defining a second round trip distance; and a processor in communication with the acoustic transducer and configured to measure a difference between a first travel time for the acoustic signal traveling the first round trip distance and a second travel time for the acoustic signal traveling the second round trip distance to estimate the influx of the formation fluid; wherein the acoustic transducer, the first reflector, and the second reflector are disposed in the borehole fluid that is in the borehole.

The invention relates to a method for evaluating the B10 reliable life of a mechanical part of a vehicle engine. The method comprises the following steps: selecting a mechanical part, which is subjected to B10 reliable life evaluation, of the vehicle engine; sequentially determining a mission profile of the vehicle engine corresponding to the mechanical part of vehicle engine, a load action process parameter, a main failure mode, a stress cumulative distribution function, a probability density function of initial strength, a change rule of residual strength along with the trip distance of a vehicle and the like; and substituting the parameters into a B10 reliable life model so as to determine the B10 reliable life of the mechanical part of the vehicle engine without depending on a great number of life data. By the method, the B10 reliable life of the mechanical part of the vehicle engine can be determined at the design stage of the mechanical part of the vehicle engine, design, test and use of the mechanical part of the vehicle engine can be guided well, the development and research efficiency of the vehicle engine and the mechanical part thereof can be improved, the development period is shortened, and the development cost is saved.

The invention discloses a control method of an electric passenger car interior water-cooled air conditioner. The electric passenger car interior water-cooled air conditioner has two working states of refrigeration and heating. The control method of refrigeration and heating includes the steps that in the refrigeration state, ice cubes are placed in an energy-storing and heat-preserving water tank, water in the energy-storing and heat-preserving water tank turns into ice water as the ice cubes melt, an air blower and a water pump are started to enable the ice water to pass through an evaporator in a circulating mode, and cold air generated by the evaporator is blown into a cab of an electric passenger car by the air blower; in the heating state, while the electric passenger car is charged, electric heating tubes work to heat the water in the energy-storing and heat-preserving water tank, when hot air is needed, the air blower and the water pump are started to enable hot water to pass through the evaporator in a circulating mode, and hot air generated by the evaporator is blown into the cab of the electric passenger car by the air blower. The control method of the electric passenger car interior water-cooled air conditioner can prevent the air conditioner from consuming electric energy of batteries of the electric passenger car excessively when the air conditioner works, and thus increases the trip distance of the electric passenger car, reduces the load of the batteries and prolongs the service life of the batteries.

An ultrasonic sensor includes a transmitting device, a receiving device, and a circuit device. The circuit device determines that the receiving device receives an ultrasonic wave reflected from an object, when an output voltage of the receiving device is equal to or greater than a first threshold. The circuit device includes a humidity detection section configured to detect an ambient humidity of the transmitting and receiving devices and a threshold adjustment section configured to calculate, based on the detected ambient humidity, a sound pressure of the ultrasonic wave that is received by the receiving device after propagating over a round-trip distance between the ultrasonic sensor and the object. The threshold adjustment section reduces the first threshold, when the output voltage corresponding to the calculated sound pressure is less than a second threshold that is greater the first threshold.

Systems and methods for electric vehicle charging with automated trip planning integration. The inventive charging system sends requests to various available web services, such as mapping or route planning service, weather service and the like to obtain various data related to the planned trip. Such data may include trip distance, terrain information, vehicle information, traffic data, weather data as well as vehicle user driving behavior. All this information is used to calculate the amount of battery charge required to complete the trip. The system then automatically issues a charge command to electric vehicle supply equipment to charge the vehicle in accordance with the calculated battery charge amount.

The invention discloses a bus stop estimation method based on data fusion, by analyzing the bus route data, the bus GPS data and the bus IC card swiping data are fused to obtain the user's boarding and bus arrival information. The bus GPS data and bus IC card swiping data are fused to obtain the user's boarding and bus arrival information, regression and exploration mechanism is introduced, wherein the regression mechanism considers users' historical visiting stops; exploration mechanism combines the general rule of residents' bus trip distance and the bus attractiveness of bus stops to realize the prediction of drop-off point of users' bus trip. Through the fusion of various traffic data, the method can effectively extract the information of the user's bus stop and bus route.

The invention discloses a shared bicycle optimal scheduling method based on a genetic ant colony fusion algorithm. The method comprises: using a K-means clustering algorithm to gather the data pointsof the bicycles, considering the stock of the bicycles; then, obtaining an initial solution for connecting each node by using a genetic algorithm; the method comprises the steps of obtaining the number of stations in each cluster, calculating the sequence of scheduled vehicles passing through cluster nodes by using an ant colony algorithm, determining the number of loaded and unloaded bicycles foreach node, finally obtaining the shortest path for connecting the stations in each cluster by using the ant colony algorithm, equally dividing the number of unbalanced bicycles of the cluster, and completing a small-range scheduling strategy in the cluster. According to the method, the problem of unbalanced distribution of large-scale non-station shared bicycles is effectively solved, the total travel distance of vehicle scheduling routes is optimized, and the scheduling completion time is minimized.

The invention discloses a resident travel index evaluation method, comprising the following steps: obtaining a population trip index parameter of a target area, wherein the population trip index parameter comprises a trip distance, a trip time and a trip frequency of the resident of the target area; confirming travel / stay status and demographic occurrence / attraction data of residents in the targetarea according to the population travel indicator parameters; evaluating a resident travel indicator according to the travel / stay status and the demographic occurrence / attraction data. The inventionalso provides a resident travel index evaluation device and a computer-readable storage medium. The invention obtains the travel index data, correspondingly calculates the travel / stay status and the population occurrence / attraction data of the residents, and further evaluates the travel index of the urban residents through the calculated data, thereby realizing the beneficial effect of improving the statistical efficiency of the travel data of the residents through the data collection mode.

The invention relates to a method for manufacturing a transitional side-door-free compartment of a rail train group with the length exceeding a station. In case that the length of the existing station is not changed, one side-door-free compartment with the length exceeding the station is added respectively in the front and the rear of the rail train group and is used for passengers to take according to the trip distance. The transitional side-door-free compartment is one of the side-door-free compartment, and the passengers in the transitional side-door-free compartment can enter a waiting compartment one stop early; the passengers get off the train after the entire rail train group arrives in the station. The method is characterized in that the transitional side-door-free compartment is arranged between a special novel waiting compartment for waiting and boarding and the side-door-free compartment exceeding the station; the transitional side-door-free compartment plays a role in buffering the passenger flow; the transportation capacity can be increased; using the transitional side-door-free compartment is a high-quality valuable method for solving the difficulty for taking the rail train.