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463 results about "Ground speed" patented technology

Ground speed is the horizontal speed of an aircraft relative to the ground. An aircraft heading vertically would have a ground speed of zero. Information displayed to passengers through the entertainment system often gives the aircraft ground speed rather than airspeed.

Method and apparatus for ultra precise GPS-based mapping of seeds or vegetation during planting

InactiveUS6941225B2Application can be controlledLow costMowersFertiliser distributersVegetationGps receiver
An ultra precise seed planter apparatus and method for generating a centimeter accuracy map of the location of seeds or vegetation as they are planted from an agricultural planting machine. The apparatus is fitted with a GPS receiver feeding a data logger, and optical sensors that are placed adjacent seed or vegetation dispenser. The data logger monitors GPS time and UTM coordinates, as well as the optical sensors. Ground speed and azimuth are also monitored. The seeds or vegetation are time-tagged as they are dispensed, and software is used to process the dispensing time and GPS location data and estimate the exact coordinates of each seed or plant and its distance from adjacent seeds or plants. As a result, a precise planting map is generated. The invention may also be used to determine the location to dispense seeds or vegetation, and activating the dispenser when that location is reached.
Owner:RGT UNIV OF CALIFORNIA

Header with high speed sickle drives for a plant cutting machine

A header for a plant cutting machine uses a plurality of compact sickle drive mechanisms incorporated into or beneath a floor or pan of the header at a location between and spaced from the sides or ends of the header, each of which mechanisms can be configured for reciprocatingly driving two knife assemblies disposed in end to end relation, in opposite directions, such that potentially vibratory forces, including those generated by the moving masses of the knife assemblies, at least substantially cancel one another and thus are not transferred to structure of the header. As a result, the knife assemblies can each be relatively short, to lessen the mass thereof so as to be capable of being operated at higher speeds, to enable operation of the header at faster ground speeds.
Owner:BLUE LEAF I P INC

Method and system for automatic bucket loading

A method for controlling an automatic bucket control system during loading of a work implement of a work machine is disclosed. The method includes the steps of determining when the work implement engages a pile of material, initiating the automatic bucket control system in response to the work implement engaging the pile of material, determining a ground speed of the work machine, and generating a lift command based upon the ground speed. After fully engaging the material, the system may further adjust tilt commands and / or lift commands based upon a monitored crowd factor to control operation of the work implement.
Owner:CATERPILLAR INC

Movement trajectory predicting device and movement trajectory predicting method

An object of the invention is to accurately predict a movement trajectory of an object from a history of positions of the object even in a case where shaking or deflection of a vehicle occurs. In order to achieve the object, in the invention, the position of the object around the vehicle is acquired (S1), a ground speed of the object is acquired (S3), a slope θ of a trajectory prediction vector (relative movement vector) of the object with respect to the vehicle is calculated by using a speed of the vehicle and the ground speed of the object (S7), fitting is performed (classification of the recorded positions of the object in the movement trajectory) with respect to the history of the positions of the object with a straight line having the slope θ of the trajectory prediction vector (S8), and a straight line having the slope θ of the position fitting best in the straight line having the slope θ (straight line having a plurality of positions included in a group classified through the fitting) is predicted as the movement trajectory of the object (S9).
Owner:TOYOTA JIDOSHA KK

Ground runway awareness and advisory system

A Ground Runway Awareness and Advisory System (GRAAS) that provides supplemental position information and airport situational awareness alerts and advisories to pedestrians and vehicle operators during surface operations by providing timely aural, textual, graphic or pictographic alerts and advisory messages to pedestrians and vehicle operators in a significant number of different scenarios that have led to past runway and taxiway incursion occurrences. These messages are optionally supplemented by a situational awareness video display wherein one or more of the user's position, heading and ground speed are superimposed on a graphic display of airport features of interest. The GRAAS thereby satisfies one clear requirement in reducing VPDs: that the pedestrians or vehicle operators have a clear understanding of the airport layout, including designations of runways and taxiways, and their position relative to the airport layout and features, including aircraft, other ground vehicle traffic and pedestrians where position information is available.
Owner:HONEYWELL INT INC

Method and apparatus for ultra precise GPS-based mapping of seeds or vegetation during planting

An ultra precise seed planter apparatus and method for generating a centimeter accuracy map of the location of seeds or vegetation as they are planted from an agricultural planting machine. The apparatus is fitted with a GPS receiver feeding a data logger, and optical sensors that are placed adjacent seed or vegetation dispenser.. The data logger monitors GPS time and UTM coordinates, as well as the optical sensors. Ground speed and azimuth are also monitored. The seeds or vegetation are time-tagged as they are dispensed, and software is used to process the dispensing time and GPS location data and estimate the exact coordinates of each seed or plant and its distance from adjacent seeds or plants. As a result, a precise planting map is generated. The invention may also be used to determine the location to dispense seeds or vegetation, and activating the dispenser when that location is reached.
Owner:RGT UNIV OF CALIFORNIA

Means of adjusting ground speed of a vehicle based on load on blade assembly

An assembly having a frame supported by a plurality of ground engaging wheels. Mounted to the frame is an operator control system that is connected to a controller that is powered by an electrical source. The controller is operatively connected to a blade assembly and a ground drive assembly and adjusts the ground speed of the assembly based upon the cutting load of the blade.
Owner:SAUER DANFOSS NORDBERG

Side wind resistance landing flight track tracking control method based on side direction guide

The invention provides a side wind resistance landing flight track tracking control method based on side direction guide, which belongs to the flight track tracking control technology of airplanes landed under the side wind condition. The flight track tracking control method based on side direction guide is adopted, and comprises the following steps: calculating the inner ring posture control commands through a side direction guide law by the flight track tracking side direction deviation; generating steering engine control commands by an inner ring posture controller for controlling the airplane posture; and calculating the current side direction deviation by the flight line switching logics according to the current state of the airplane for the side direction guide law calculation. A transverse side direction movement model of the airplane is used for simulating the dynamic and kinematic model of the airplane. When being adopted, the side direction flight track control system based on the ground speed guide has better inhabitation effect on the side wind phenomena such as side direction gust wind, air turbulence, side direction wind shear and the like when the airplane is landed. At the same time, the side direction flight line switching logics can also meet the requirement of approach flight of the airplane under the side wind condition.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Vehicular exterior identification and monitoring system-agricultural product distribution

A vehicle including a ground speed sensor arranged to detect the speed of travel of the vehicle on the ground and including a wave transmitter arranged to transmit waves toward the ground, a wave receiver arranged to received waves reflected from the ground and a processor coupled to the transmitter and receiver to determine the speed of travel based on the transmitted waves and received waves. The waves are transmitted in pulses or modulated such that the processor is able to determine the distance between a wave-transmission and reception point and the ground (by time of flight for ultrasonic and electromagnetic waves or phase difference-for electromagnetic waves) and the velocity of the vehicle (using Doppler analysis).
Owner:AMERICAN VEHICULAR SCI

Remote control adjustable threshing cage vane system and method

A system and method for remote control of an adjustable threshing cage vane, including while the threshing system is operating, for improving threshing performance and other operating parameters, utilizes an actuator in connection with the at least one vane and remotely controllable for adjustably varying the position thereof, e.g, pitch angle, within the cage for altering the path of the flow of the crop material therethrough. The remote control can be via an automatic controller to provide control responsive to one or more monitored operating parameters, such as grain loss, grain flow, ground speed, and / or throughput, as well as inputted commands.
Owner:CNH IND AMERICA LLC

System and method for warning an operator of a vehicle if the vehicle is operating in a condition that may result in drive belt failure

A system and method for warning an operator of a vehicle if the vehicle is operating in a condition that may result in drive belt failure. The ground speed of the vehicle, its engine speed and transmission gear placement are compared to determine if the engine speed is too high for a given ground speed and transmission gear placement. If it is too high, a warning is generated to alert the operator if the vehicle that the drive belt is in danger of failing.
Owner:POLARIS IND INC

Electronic draft control for trailed implements

A draft load control system for an agricultural tractor towing a trailed, ground-engaging implement that monitors implement height using sensors located on the tractor or sensors coupled to an on-board control communications system and adjusts the implement position in relation to the ground based on draft load, implement height, and tractor wheel-slip to maintain a more accurate, consistent draft load on the tractor while maintaining the implement engaged with the ground and preventing the tractor-implement ground speed from being reduced to zero.
Owner:CNH IND AMERICA LLC

Active anti-tailgating and collision warning system

The present invention is a system for use, for example, in motorized vehicles to provide a warning signal directed to the attention of the driver of the equipped vehicle and also to the operator of a target vehicle, as well as possibly other drivers in the vicinity of the system-equipped vehicle of impending danger. The system senses the presence of obstacles that can be identified by scanning and subsequently tracked. Obstacles may be fixed objects or other vehicles either also moving or still. The system detects and determines the distance separating the object from the sensor location, its ground velocity and rate of closure. The system's signaling sound and light emitters are able to be positioned and adjustable to face a target receiver and are able to signal with varying sound and light patterns and output amplitudes.
Owner:CRESSE WILLIAM M

Individual row rate control of farm implements to adjust the volume of crop inputs across wide implements in irregularly shaped or contour areas of chemical application, planting or seeding

InactiveUS20060086295A1Maximize yield potentialOptimize input application rate per acreAnalogue computers for trafficLiquid fertiliser distributionAutomatic controlEngineering
A farm implement for applying a product to a row crop or a row seeded field wherein the implement has a plurality of spaced-apart product dispensers mounted thereon, each of which is individually automatically controlled. The rate of product being dispensing from each of the product dispensers is automatically operated dependent upon the ground speed of the individual product dispensers or dependent on other criteria.
Owner:UNVERFERTH MFG

Electronic draft control for semi-trailed implements

A draft load control system for an agricultural tractor coupled to a semi-trailed, ground-engaging implement that monitors implement height using sensors located on the tractor or sensors coupled to an on-board control communications system and adjusts the implement position in relation to the ground through coordinated action of the three-point hitch and the on-implement position actuator based on draft load, implement height, and tractor wheel-slip to maintain a more accurate, consistent draft load on the tractor while maintaining the implement engaged with the ground and preventing the tractor-implement ground speed from being reduced to zero.
Owner:CNH IND AMERICA LLC

Flight recorder wireless interface

Methods and systems for wirelessly offloading data recorded on a flight recorder. In one embodiment, a method of offloading data recorded on a flight recorder includes determining whether to enable a wireless transmitter and wirelessly transmitting previously stored data on the flight recorder via the wireless transmitter according to the determination. In one aspect, wireless transmission is determined by wireless parameters, such as weight on wheels, air speed, ground speed, engine speed, open compartments and sensed forces or other airplane parameters made available to the flight recorder. Wireless transmission may be initiated either manually or automatically.
Owner:HONEYWELL INT INC

Seed spacing monitoring system for use in an agricultural seeder

A seed spacing monitoring system is used In an agricultural seeder for planting seeds. The agricultural seeder has a furrow opener, a seed meter for metering seed to be dispensed in the furrow, and a furrow closer to cover the seed in the furrow. The seed spacing monitoring system includes a detector supported to detect seeds in the furrow prior to the seeds being covered. The detector provides a plurality of seed presence signals, with each seed presence signal being indicative of a respective seed present in the furrow. A speed sensor is associated with the seeder and provides a speed signal indicating a ground speed of the seeder. An electrical processor receives the plurality of seed presence signals and the speed signal. The electrical processor determines a seed spacing, dependent upon the seed presence signals and the speed signal.
Owner:DEERE & CO

Axle unit with slip sensor and slip meansurement method

An axle unit 210 including a rolling bearing unit attached to a knuckle of a wheel support member has a slip sensor (211) including acceleration sensors and a rotation sensor in one piece. The slip sensor (211) has the rotation sensor placed on the base face, and the rotation sensor is placed facing an encoder (213) attached to a rotation member (212). At the vehicle running time, the traveling acceleration in the traveling direction of the wheel and the rotation angular speed are detected and at the vehicle running time, the ground speed of each wheel, the tire radius of each wheel, and the slip ratio of each wheel are found.
Owner:NSK LTD

Drive system of a utility vehicle

A drive system for use in utility vehicles, such as agricultural forage harvesters and combines, includes a hydrostatic transmission having a pump driven by a main engine of the vehicle and having first and second motors respectively coupled to front and rear axles of the vehicle by way of first and second differential gear sets. The pump and one or both of the motors have a variable displacement determined by positioning respective swash plates through the agency of a lever, in the case of the pump, and by electronic devices, in the case of the motors, the electronic devices acting in response to control signals sent by a control arrangement, which in turn, operates in response to signals produced by pressure sensors associated with the motors and by signals produced by speed sensors associated with output shafts of the hydraulic motors. The control arrangement has a memory for storage of data, such as maximum legal ground speed and the ratio of the speeds of the axles as results from a given wheel size, and uses this information for controlling the hydrostatic transmission such that the vehicle does not exceed the speed, and the front and rear axles are driven so as to produce the same ground speed.
Owner:DEERE & CO

Seed spacing monitoring system for use in an agricultural seeder

A seed spacing monitoring system is used In an agricultural seeder for planting seeds. The agricultural seeder has a furrow opener, a seed meter for metering seed to be dispensed in the furrow, and a furrow closer to cover the seed in the furrow. The seed spacing monitoring system includes a detector supported to detect seeds in the furrow prior to the seeds being covered. The detector provides a plurality of seed presence signals, with each seed presence signal being indicative of a respective seed present in the furrow. A speed sensor is associated with the seeder and provides a speed signal indicating a ground speed of the seeder. An electrical processor receives the plurality of seed presence signals and the speed signal. The electrical processor determines a seed spacing, dependent upon the seed presence signals and the speed signal.
Owner:DEERE & CO

Autonomous grain combine control system

InactiveUS8469784B1Improve cleaning system performanceReduce sieve lossMowersBalingControl systemCombine harvester
A system for controlling a grain combine having a rotor / cylinder, a sieve, a fan, a concave, a feeder, a header, an engine, and a control system. The feeder of the grain combine is engaged and the header is lowered. A separator loss target, engine load target, and a sieve loss target are selected. Grain is harvested with the lowered header passing the grain through the engaged feeder. Separator loss, sieve loss, engine load and ground speed of the grain combine are continuously monitored during the harvesting. If the monitored separator loss exceeds the selected separator loss target, the speed of the rotor / cylinder, the concave setting, the engine load target, or a combination thereof is adjusted. If the monitored sieve loss exceeds the selected sieve loss target, the speed of the fan, the size of the sieve openings, or the engine load target is adjusted.
Owner:THE UNITED STATES AS REPRESENTED BY THE DEPARTMENT OF ENERGY

Airport taxiway collision alerting system

Systems and methods for alerting a flight crew if a taxiing collision condition exists. An exemplary system on a host vehicle determines one or more first protection zones around other vehicles on the ground based on the received information about the other vehicles, determines a second protection zone around the host vehicle based on the stored information about the host vehicle and the sensor information and generates an alert, if any of the first protection zones occupies at least a portion of the same geographic area as the second protection zone. The received information includes position, ground speed, vehicle type information and heading or track information. The protection zones include a width dimension that is based on vehicle size information, a base length dimension that is based on the size information, and a variable component of the length dimension that is based on the ground speed.
Owner:HONEYWELL INT INC
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