Vehicle positioning apparatus and method
First Claim
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1. A vehicle guidance apparatus for guiding a land based agricultural vehicle over a paddock along a number of paths, the paths being offset from each other by a predetermined distance, said vehicle including steering means, said apparatus including:
- a satellite based global positioning system receiver for periodically receiving vehicle position data and a radio modem operatively receiving positional correction factor data from a base station to correct said periodically received vehicle position data;
inertial relative position determining means mounted to said vehicle, for generating relative positional data along a current path during time periods between receipt of respective said vehicle position data, said relative position determining means comprising a number of accelerometers;
data entry means facilitating entry of an initial path by an operator and a desired offset distance between paths;
processing means coupled to the global positioning system receiver, radio modem and relative position determining means, operatively arranged to generate said paths based on said initial path, said processing means generating a continuous guidance signal indicative of errors in the position of the vehicle relative to one of said paths, with said position being determined by combining the corrected vehicle position data and the relative position data; and
controllable steering means coupled to the processing means and selected to guide the vehicle towards said paths thereby reducing said errors.
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Abstract
There is disclosed a guidance assisting apparatus for aiding in the guidance of an agricultural vehicle (5) over arable land. The apparatus makes use of a GPS positional receiver (81) in order to determine if the vehicle (5) is overlapping previous passes of a paddock thereby reducing the likelihood of strips of land being double processed or left unprocessed. Guidance may be provided by a visual display or by power assisted steering.
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Citations
8 Claims
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1. A vehicle guidance apparatus for guiding a land based agricultural vehicle over a paddock along a number of paths, the paths being offset from each other by a predetermined distance, said vehicle including steering means, said apparatus including:
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a satellite based global positioning system receiver for periodically receiving vehicle position data and a radio modem operatively receiving positional correction factor data from a base station to correct said periodically received vehicle position data;
inertial relative position determining means mounted to said vehicle, for generating relative positional data along a current path during time periods between receipt of respective said vehicle position data, said relative position determining means comprising a number of accelerometers;
data entry means facilitating entry of an initial path by an operator and a desired offset distance between paths;
processing means coupled to the global positioning system receiver, radio modem and relative position determining means, operatively arranged to generate said paths based on said initial path, said processing means generating a continuous guidance signal indicative of errors in the position of the vehicle relative to one of said paths, with said position being determined by combining the corrected vehicle position data and the relative position data; and
controllable steering means coupled to the processing means and selected to guide the vehicle towards said paths thereby reducing said errors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification
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Current AssigneeAgjunction LLC (Kubota Corporation), Merck & Co., Inc.
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Original AssigneeBeeline Technologies Pty., Ltd. (Kubota Corporation)
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InventorsMailer, Robert Lindsay
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Primary Examiner(s)Nguyen, Tan Q.
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Assistant Examiner(s)Tran, Dalena
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Application NumberUS09/830,479Time in Patent Office1,987 DaysField of Search701/23, 701/207, 701/26, 701/41, 701/50, 701/213, 701/215, 701/226, 701/122, 701/214, 701/200, 701/224, 342/357.17, 342/357.03, 342/457, 342/46, 180/168, 172/3, 172/5, 172/26, 56/102.FUS Class Current701/207CPC Class CodesA01B 69/00 Steering of agricultural ma...G05D 1/0219 ensuring the processing of ...G05D 1/027 comprising intertial naviga...G05D 1/0278 using satellite positioning...
