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1. 发明授权

US06311932B1 Yaw steering momentum system 有权
标题翻译：偏航转向动量系统
公开(公告)号：US06311932B1
公开(公告)日：2001-11-06
申请号：US09451158
申请日：1999-11-30
申请人： John J. Rodden , Xenophon H. Price
发明人： John J. Rodden , Xenophon H. Price
IPC分类号： B64G128
CPC分类号： G05D1/0883 , B64G1/285 , B64G1/36 , B64G1/443
摘要： A continuous three axes satellite pointing system for a solar powered satellite, the system comprising a body control module for producing three orthogonal axes body control torques, a momentum integration module, a momentum control module, and a program torque decoupling module. The program torque decoupling module de-couples the programmed motion parameters represented by the equation: IB&ohgr;′+B&ohgr;X(IB&ohgr;+BH).
摘要翻译：一种用于太阳能卫星的连续三轴卫星定位系统，该系统包括用于产生三个正交轴体控制转矩的车身控制模块，动量积分模块，动量控制模块和程序扭矩解耦模块。程序扭矩解耦模块解除由以下等式表示的程序运动参数：

2. 发明授权

US06205378B1 Adaptive mass expulsion attitude control system 有权
标题翻译：自适应排量姿态控制系统
公开(公告)号：US06205378B1
公开(公告)日：2001-03-20
申请号：US09363680
申请日：1999-07-29
申请人： John J. Rodden , Homer D. Stevens , Stephane Carrou
发明人： John J. Rodden , Homer D. Stevens , Stephane Carrou
IPC分类号： G06F1700
CPC分类号： B64G1/26 , B64G1/32 , G05D1/0883
摘要： An attitude control system and method operative with a thruster controls the attitude of a vehicle carrying the thruster, wherein the thruster has a valve enabling the formation of pulses of expelled gas from a source of compressed gas. Data of the attitude of the vehicle is gathered, wherein the vehicle is located within a force field tending to orient the vehicle in a first attitude different from a desired attitude. The attitude data is evaluated to determine a pattern of values of attitude of the vehicle in response to the gas pulses of the thruster and in response to the force field. The system and the method maintain the attitude within a predetermined band of values of attitude which includes the desired attitude. Computation circuitry establishes an optimal duration of each of the gas pulses based on the pattern of values of attitude, the optimal duration providing for a minimal number of opening and closure operations of the valve. The thruster is operated to provide gas pulses having the optimal duration.
摘要翻译：与推进器一起操作的姿态控制系统和方法控制承载推进器的车辆的姿态，其中推进器具有能够从压缩气体源形成排出气体的脉冲的阀。收集车辆姿态的数据，其中车辆位于倾向于以不同于期望姿态的第一姿势定向车辆的力场内。评估姿态数据以响应于推进器的气体脉冲并响应于力场来确定车辆的姿态值的模式。该系统和方法将姿态保持在包含期望姿态的预定姿势值内。计算电路基于姿态值的模式，为阀门的最小数量的打开和关闭操作提供最佳持续时间来确定每个气体脉冲的最佳持续时间。操作推进器以提供具有最佳持续时间的气体脉冲。

3. 发明授权

US06695251B2 Method and system for synchronized forward and Aft thrust vector control 有权
标题翻译：同步向前和向后推力矢量控制的方法和系统
公开(公告)号：US06695251B2
公开(公告)日：2004-02-24
申请号：US09883622
申请日：2001-06-19
申请人： John J. Rodden , Andrew E. Turner
发明人： John J. Rodden , Andrew E. Turner
IPC分类号： F42B1002
CPC分类号： G05D1/107
摘要： A system for controlling attitude about pitch, yaw, and roll axes and axial thrust of a body. The system comprises a main thrust generator located on an aft portion of the body and at least one reaction control system (RCS) located on a forward portion of the body. A thrust vector controller (TVC) is connectable to the main thrust generator and at least one RCS controller is connectable to the RCS. The RCS controller and the TVC are synchronized to adjust the direction of the principal line of thrust through the body center of gravity.
摘要翻译：用于控制身体的俯仰，偏转和滚动轴线的轴向推力的姿态的系统。该系统包括位于身体的后部的主推力发生器和位于身体前部的至少一个反应控制系统（RCS）。推力矢量控制器（TVC）可连接到主推力发生器，并且至少一个RCS控制器可连接到RCS。 RCS控制器和TVC被同步，以调整通过人体重心的推力主线的方向。

4. 发明授权

US06477450B2 Noise screen for attitude control system 失效
标题翻译：姿态控制系统噪声屏
公开(公告)号：US06477450B2
公开(公告)日：2002-11-05
申请号：US09782644
申请日：2001-02-13
申请人： John J. Rodden , Homer D. Stevens , David P. Hong , Philip C. Hirschberg
发明人： John J. Rodden , Homer D. Stevens , David P. Hong , Philip C. Hirschberg
IPC分类号： G06F700
CPC分类号： G05D1/0883
摘要： An attitude control system comprising a controller and a noise screen device coupled to the controller. The controller is adapted to control an attitude of a vehicle carrying an actuator system that is adapted to pulse in metered bursts in order to generate a control torque to control the attitude of the vehicle in response to a control pulse. The noise screen device is adapted to generate a noise screen signal in response to the control pulse that is generated when an input attitude error signal exceeds a predetermined deadband attitude level. The noise screen signal comprises a decaying offset signal that when combined with the attitude error input signal results in a net attitude error input signal away from the predetermined deadband level to reduce further control pulse generation.
摘要翻译：一种姿态控制系统，包括耦合到所述控制器的控制器和噪声屏蔽装置。控制器适于控制携带致动器系统的车辆的姿态，其适于以计量脉冲脉冲，以便产生控制扭矩以响应于控制脉冲来控制车辆的姿态。噪声屏幕装置适于响应于当输入姿态误差信号超过预定的死区姿态水平时产生的控制脉冲而产生噪声屏幕信号。噪声屏幕信号包括衰减偏移信号，当与姿态误差输入信号组合时，其产生远离预定死区电平的净姿态误差输入信号，以减少进一步的控制脉冲产生。

5. 发明授权

US6101430A Global positioning system self calibration attitude determination 失效
标题翻译：全球定位系统自校准姿态测定
公开(公告)号：US6101430A
公开(公告)日：2000-08-08
申请号：US144146
申请日：1998-08-31
申请人： Richard A. Fuller , John J. Rodden
发明人： Richard A. Fuller , John J. Rodden
IPC分类号： G01C21/24 , B64G1/24 , B64G1/36 , G01S5/02 , G01S5/14 , G01S19/53 , G05D1/08
CPC分类号： G01S19/55 , B64G1/24 , B64G1/36 , G05D1/0883
摘要： An improved GPS Attitude Receiver for spacecraft uses concurrent line-bias estimates derived from GPS signals for attitude determination. Attitude determination is obtained from GPS measurements by an interactive solution of the known "Attitude Master Equation", using RF differential phase measurements and calibrated parameters of baseline vectors and line-biases. A "weighted fit error" W, is derived from the sum squared of discrepancies between predicted and actual measurements, weighted by measurement variances. By minimizing W, the line-bias estimations obtained give more current data including thermal effects and eliminate separate ground calibration tests.
摘要翻译：用于航天器的改进的GPS姿态接收器使用来自GPS信号的并行线偏差估计用于姿态确定。通过使用已知的“姿态主方程”的交互式解决方案，使用RF差分相位测量和基线矢量和线偏差的校准参数从GPS测量获得姿态确定。 “加权拟合误差”W是根据测量方差加权的预测和实际测量之间的差异之和得出的。通过最小化W，获得的线偏差估计可获得更多的当前数据，包括热效应，并消除单独的地面校准测试。

6. 发明授权

US5791598A Dynamic bias for orbital yaw steering 失效
标题翻译：轨道偏转导向的动态偏倚
公开(公告)号：US5791598A
公开(公告)日：1998-08-11
申请号：US585954
申请日：1996-01-12
申请人： John J. Rodden , Nobuo Furumoto , Walter Fichter , Ernst Bruederle
发明人： John J. Rodden , Nobuo Furumoto , Walter Fichter , Ernst Bruederle
IPC分类号： G01C21/24 , B64G1/28 , B64G1/36 , G05D1/08 , B64G1/38
CPC分类号： G05D1/0883 , B64G1/285 , B64G1/288 , B64G1/36 , B64G1/363 , B64G1/365 , B64G1/366 , B64G2001/245
摘要： A method and apparatus for steering a low-earth-orbit communication satellite requiring sun-orientation for solar-power accumulation is disclosed. Momentum-bias both maintains nadir pointing and adds yaw-steering moments for sun-trackig attitude control, simultaneously. The method has two principal steps: 1) open-loop momentum decoupling, for correcting the calculated steering torque, and closed-loop attitude compensation, to correct for perturbations about the calculated attitude in accordance with one of two control law definitions. This combines the advantage of stable gyroscopic attitude control with those of open-loop yaw steering.
摘要翻译：公开了一种用于转向需要太阳取向用于太阳能积聚的低地球轨道通信卫星的方法和装置。动量偏差既保持天底指向，又同时为太阳轨迹姿态控制增加偏航转向时刻。该方法有两个主要步骤：1）开环动量解耦，用于校正计算出的转向转矩和闭环姿态补偿，以根据两个控制律定义之一来校正关于计算姿态的扰动。这结合了稳定陀螺姿态控制与开环偏转导向的优点。

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