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    • 4. 发明授权
    • Autonomous survey system (auto survey)
    • 自主调查系统(汽车调查)
    • US06338023B1
    • 2002-01-08
    • US09476332
    • 2000-01-03
    • Brian S. BourgeoisAndrew B. MartinezPeter J. AllemanJami J. CheramieJohn M. Gravley
    • Brian S. BourgeoisAndrew B. MartinezPeter J. AllemanJami J. CheramieJohn M. Gravley
    • G06F1900
    • G01S15/89G01C13/008G01S15/025
    • The autonomous survey system (AutoSurvey) is used to automatically maximize area coverage with swath sensors and to minimize survey time while ensuring the collected data meets specified quality constraints. The autonomous survey system (AutoSurvey) evaluates the effects of the environment and system performance on the collected survey data by modulizing the data collection into a series of modules—data collection and error detection, data georectification, data quality validation, swath-edge fit, next-line way point generation, and the autopilot. All of these processes are implemented in near real-time, allowing unfettered survey progress. The data is applied directly between processes, providing operator independent system operation; the autosurvey system directly controls the survey vessel via the autopilot. Through the real-time data acquisition the system provides automation of the operator quality and coverage assessment tasks and also provides quantified data assessment. The operator is able to adjust the system operating parameters to compensate for ambient conditions and to determine subsequent navigation way points as a function of the specified survey criteria.
    • 自动测量系统(AutoSurvey)用于通过幅度传感器自动最大化区域覆盖范围,并尽可能减少调查时间,同时确保收集的数据符合规定的质量约束。 自动调查系统(AutoSurvey)通过将数据收集模块化为一系列模块来评估环境和系统性能对收集的调查数据的影响 - 数据收集和错误检测,数据地理,数据质量验证,条纹边缘拟合, 下一线路点生成和自动驾驶仪。 所有这些过程都实时实施,允许不受约束的调查进展。 数据直接应用于流程之间,提供操作员独立的系统操作; 自动巡航系统通过自动驾驶仪直接控制测量船。 通过实时数据采集,系统提供运营商质量和覆盖评估任务的自动化,并提供量化的数据评估。 操作员能够调整系统操作参数以补偿环境条件并根据指定的测量标准来确定随后的导航点。
    • 5. 发明授权
    • Depthimeter
    • 深度计
    • US06201763B1
    • 2001-03-13
    • US09399474
    • 1999-09-20
    • Brian S. BourgeoisAndrew B. MartinezMichael M. Harris
    • Brian S. BourgeoisAndrew B. MartinezMichael M. Harris
    • H04B1700
    • G01S7/52004G01S15/10G01S15/88
    • The depthimeter comprises a heave sensor, a mean path compensator and a combiner. The mean path compensator comprises a ranging device which measures the instantaneous distance of the vehicle from a fixed point on the vehicle to ocean surface as a function of time; a range compensator to compensate for signal dropouts in the ranging devices data, for sensor offset angle, and vehicle pitch and roll, thereby providing a signal that contains the vehicles vertical motion and the vertical motion of the sea surface. A low-pass filter within the mean path compensator eliminates the components of the resulting signal due to the motion of the sea surface and the high frequency components of the vehicle's vertical motion, thereby producing a signal that is the mean path of the vehicle, referenced to mean sea level. The combiner merges the mean path signal from the mean path compensator and a heave signal generated by the heave sensor to generate a signal that is a surface vehicle's draft relative to mean sea level or a submerged vehicle's depth relative to mean sea level. This signal is also the vehicle's vertical displacement with time relative to mean sea level.
    • 深度计包括升沉传感器,平均路径补偿器和组合器。 平均路径补偿器包括测距装置,其作为时间的函数来测量车辆从车辆上的固定点到海洋表面的瞬时距离; 范围补偿器,用于补偿测距设备数据中的信号丢失,传感器偏移角度和车辆俯仰和滚动,从而提供包含车辆垂直运动和海面垂直运动的信号。 平均路径补偿器内的低通滤波器消除了由于海面的运动和车辆垂直运动的高频分量导致的结果信号的分量,从而产生作为车辆的平均路径的信号,被引用 意指海平面。 组合器将来自平均路径补偿器的平均路径信号和由起伏传感器产生的起伏信号合并,以产生相对于平均海平面或相对于平均海平面的淹没车辆深度的表面车辆牵引的信号。 这个信号也是车辆相​​对于平均海平面的时间的垂直位移。
    • 7. 发明授权
    • Shipboard wave measurement system
    • 船载波测量系统
    • US06382022B1
    • 2002-05-07
    • US09534965
    • 2000-03-27
    • Andrew B. MartinezBrian S. Bourgeois
    • Andrew B. MartinezBrian S. Bourgeois
    • G01C2100
    • G01C13/002
    • The shipboard wave measurement system (SWMS) makes measurements as a function of time of vehicle position, range from the vehicle to the water's surface, and vehicle heave, pitch and roll to compute the height, direction, period and wavelength of the principal ocean wave component. Since the vehicle is moving, the wave heights measured are at different spatial locations, as well as at different times, and the observed wave height signal is Doppler shifted. The SWMS is composed of a positioning device, a timing device, a wave height estimator (WHE), a Doppler Integrator (DI) and a computer. The positioning device measures the vehicle's position, the timing device provides accurate time referencing for the vehicle position and wave height measurements. The wave height estimator measures range to the water's surface from the vehicle and vehicle vertical acceleration, pitch and roll and generates wave height at specific instants of time. The Doppler integrator receives the time referenced wave height signal from storage and generates the frequency and height of the principal wave component, both as a function of time. Wave direction, period and wavelength are determined from the wave frequency and vehicle position data using a least-squares approach.
    • 船舶测量系统(SWMS)根据车辆位置的时间,车辆到水面的范围,以及车辆的起伏,俯仰和滚动等方式进行测量,以计算主要海浪的高度,方向,周期和波长 零件。 由于车辆正在移动,测得的波高在不同的空间位置以及在不同的时间,并且观测的波高信号是多普勒频移的。 SWMS由定位装置,定时装置,波高估计器(WHE),多普勒积分器(DI)和计算机组成。 定位装置测量车辆的位置,定时装置为车辆位置和波高测量提供准确的时间参考。 波高估计器测量车辆水面和车辆垂直加速度,俯仰和滚动的距离,并在特定时刻产生波高。 多普勒积分器从存储器接收时间参考波高信号,并产生主波分量的频率和高度,两者都作为时间的函数。 使用最小二乘法从波频和车辆位置数据确定波方向,周期和波长。
    • 8. 发明授权
    • LOST 2—a positioning system for under water vessels
    • US06819984B1
    • 2004-11-16
    • US09905706
    • 2001-05-11
    • Richard R. BedckmanAndrew B. MartinezBrian S. Bourgeois
    • Richard R. BedckmanAndrew B. MartinezBrian S. Bourgeois
    • G01S1506
    • G01C21/00G01S5/18G01S15/06G01S15/74
    • A system for the accurate determination of the position of an underwater vehicle comprising a system observer subsystem having a state velocity update module, a terrain matching module, means for generating a prediction of the terrain matching module's performance and a constrained extended Kalman filter subsystem. The constrained extended Kalman filter subsystem includes a steady state extended Kalman filter, a non-linear constraint module, and a state predictor. The system observer integrates bathymetry data corresponding to the area of the submersible vehicle, with the vessel's measured ocean depth, the vessel's predicted state, the vessel's measured velocity into a terrain based state estimate, a final predicted state, the Kalman filter takes the terrain based state estimate, the final predicted state, the measured slant range and the location of the known point and computes the final estimate of the vessel's position and a prediction of the vessel's position at the next time step. A method for the accurate determination of the position of at least one underwater vehicle comprising the steps of (1) acoustically coupling at least one underwater vehicle to a sea borne position marker having a known position; (2) predicting the at least one underwater vehicle's position, based on a past estimate of the underwater vehicle's position, and an estimate of its velocity over the sea bottom; (3) estimating the underwater vehicle's position utilizing measured ocean depth at the underwater vehicle's position, bathymetry data and the underwater vehicle's predicted position in a single point terrain match; (4) computing a estimate of the underwater vehicle's position based on the prediction of the at least one underwater vehicle's position based on vehicle dynamics and the estimated underwater vehicles position based on ocean depth and bathymetry data; and (5) computing a corrected estimate of the at least one submersible vehicle's position that utilizes the estimate of the underwater vehicle's position and a measured slant range from the at least one submersible vehicle to the sea borne position marker whose position is known.
    • 9. 发明授权
    • Localization of a submerged tow vehicle (lost)
    • 潜水拖车车辆的本地化(丢失)
    • US06256264B1
    • 2001-07-03
    • US09599868
    • 2000-06-23
    • Richard R. BeckmanBrian S. BourgeoisAndrew B. Martinez
    • Richard R. BeckmanBrian S. BourgeoisAndrew B. Martinez
    • G01S1506
    • G01S15/66G01S15/88
    • The location of a submerged tow vehicle (LOST) system provides a device for accurately determining a position of an underwater vehicle towed by a surface craft or aircraft, such as a helicopter. The LOST system utilizes five sources of input data to compute a best estimate of the towed vehicle's position. These are (1) high resolution bathymetry data in an area of the towed vehicle's transit, (2) ocean depth at a position of the towed vehicle, (3) the towed vehicle's velocity over sea bottom, (4) a slant range from the towed vehicle to a known reference point, and (5) a position and course of the towing vehicle. The LOST system is comprised of a slant range updater, a maximum likelihood estimator, a constrained adaptive tracker and a slant range corrector.
    • 潜水拖曳车辆(LOST)系统的位置提供了一种用于准确地确定由诸如直升机之类的表面飞行器或飞机拖曳的水下航行器的位置的装置。 LOST系统利用五个输入数据来计算拖车的位置的最佳估计。 这些是(1)拖车运输区域的高分辨率测深数据,(2)拖车位置的海洋深度,(3)拖车的海底速度,(4)从 牵引车辆到已知的参考点,以及(5)牵引车辆的位置和路线。 LOST系统由倾斜范围更新器,最大似然估计器,约束自适应跟踪器和倾斜范围校正器组成。