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31. 发明申请

US20120209475A1 Electric Power Steering Control Methods And Systems Using Hysteresis Compensation 有权
标题翻译：使用滞后补偿的电力转向控制方法和系统
公开(公告)号：US20120209475A1
公开(公告)日：2012-08-16
申请号：US13397363
申请日：2012-02-15
申请人： Joel E. Birsching , Ashok Chandy
发明人： Joel E. Birsching , Ashok Chandy
IPC分类号： B62D6/00 , B62D5/04
CPC分类号： B62D5/0463
摘要： A control system for a steering system is provided. The control system includes a direction determination module, a position determination module, and a final command module. The direction determination module determines a change in a handwheel torque. The position determination module determines a position on a hysteresis loop. The position on the hysteresis loop depends on the change in the handwheel torque. The final command module determines a final assist value based on the position. The final command module generates an assist command.
摘要翻译：提供了一种用于转向系统的控制系统。控制系统包括方向确定模块，位置确定模块和最终命令模块。方向确定模块确定手轮扭矩的变化。位置确定模块确定磁滞回线上的位置。磁滞回线上的位置取决于手轮扭矩的变化。最终命令模块基于位置确定最终辅助值。最终命令模块生成辅助命令。

32. 发明授权

US07725227B2 Method, system, and apparatus for providing enhanced steering pull compensation 有权
标题翻译：用于提供增强的转向拉补偿的方法，系统和装置
公开(公告)号：US07725227B2
公开(公告)日：2010-05-25
申请号：US11611406
申请日：2006-12-15
申请人： Kathryn L. Pattok , Terrence D. Smith , Ashok Chandy , Julie A. Kleinau , Jeff Zuraski , Mark P. Colosky , Troy P. Strieter
发明人： Kathryn L. Pattok , Terrence D. Smith , Ashok Chandy , Julie A. Kleinau , Jeff Zuraski , Mark P. Colosky , Troy P. Strieter
IPC分类号： A01B69/00 , B62D6/00 , B62D11/00 , B62D12/00 , B63G8/20 , G05D1/00 , B62D5/04
CPC分类号： B62D5/0472 , B62D6/04
摘要： A method, system, and apparatus for providing enhanced steering pull compensation are provided. The method compensates for steering pull in a vehicle steering system that includes a handwheel. The method includes monitoring the vehicle to determine whether the vehicle is heading forward along a substantially linear straight-ahead path and, if so, measuring handwheel torque, as a sensed torque signal, to determine an amount of steering pull existing at the handwheel. The method also includes generating a torque assist signal in response to the sensed torque signal and calculating an offset signal for reducing the amount of steering pull to substantially zero. The method further includes producing a modified torque assist signal by adding the offset signal to the torque assist signal, and applying the modified torque assist signal to the vehicle steering system.
摘要翻译：提供了一种用于提供增强的转向牵引补偿的方法，系统和装置。该方法补偿包括手轮的车辆转向系统中的转向拉动。该方法包括监视车辆以确定车辆是否沿着基本线性的直线前进路径前进，并且如果是，则将手轮扭矩作为感测到的扭矩信号来确定在手轮处存在的转向拉力的量。该方法还包括响应于感测到的扭矩信号产生转矩辅助信号并计算偏移信号，以将转向牵引量减小到基本为零。该方法还包括通过将偏移信号加到转矩辅助信号上来产生修改的转矩辅助信号，以及将改进的转矩辅助信号施加到车辆转向系统。

33. 发明申请

US20090236920A1 SYSTEMS AND METHODS INVOLVING OPITMIZED MOTORS 审中-公开
标题翻译：涉及可编程电机的系统和方法
公开(公告)号：US20090236920A1
公开(公告)日：2009-09-24
申请号：US12050751
申请日：2008-03-18
申请人： Mohammad Islam , Ashok Chandy , Tomy Sebastian , Mohammed R. Islam
发明人： Mohammad Islam , Ashok Chandy , Tomy Sebastian , Mohammed R. Islam
IPC分类号： H02K29/03
CPC分类号： H02K29/03
摘要： A motor comprising, a rotor having a shaped pole operative to minimize cogging torque and electro motive Force (EMF) harmonics, a stator having teeth members, the teeth members including, end portions, wherein the end portions partially define slot openings having a first dimension, and a notch opening defined by the end portions having a second dimension.
摘要翻译：一种电动机，包括具有成形磁极的转子，其具有用于最小化齿槽转矩和电动力（EMF）谐波的定子，具有齿构件的定子，所述齿构件包括端部，其中所述端部部分地限定具有第一尺寸以及由具有第二尺寸的端部限定的切口开口。

34. 发明授权

US07199549B2 Feedback parameter estimation for electric machines 有权
标题翻译：电机反馈参数估计
公开(公告)号：US07199549B2
公开(公告)日：2007-04-03
申请号：US10013932
申请日：2001-12-11
申请人： Julie A. Kleinau , Steven J. Collier-Hallman , Ashok Chandy , Ravindra P. Patankar
发明人： Julie A. Kleinau , Steven J. Collier-Hallman , Ashok Chandy , Ravindra P. Patankar
IPC分类号： H02P23/00 , H02P25/00 , H02P27/00
CPC分类号： H02P23/14 , B60L11/14 , B60L11/1803 , B60L15/025 , B60L2260/56 , B62D5/0496 , G01K7/21 , G05B13/042 , G05B17/02 , H02P29/64 , H02P29/662 , H02P29/68 , Y02T10/643 , Y02T10/70 , Y02T10/7005 , Y02T10/7077
摘要： A method and system for estimating a parameter of an electric machine, including a controller and a switching device, the controller executes a parameter estimation process, which is responsive to at least one of: a current value and a torque command and the resultant of the parameter estimation process representing an estimated parameter of the electric machine. The parameter estimation includes a method for estimating a temperature of the electric machine comprising: a temperature sensor operatively connected to and transmitting a temperature signal corresponding to a measured temperature to a controller, which executes a temperature estimation process responsive to a temperature signal from a temperature sensor.
摘要翻译：一种用于估计包括控制器和开关装置的电机的参数的方法和系统，所述控制器执行参数估计处理，所述参数估计处理响应于以下中的至少一个：当前值和转矩指令，表示电机的估计参数的参数估计处理。该参数估计包括一种用于估计电机的温度的方法，包括：温度传感器，其可操作地连接到控制器并将对应于测量温度的温度信号传送到控制器，该控制器响应于来自温度的温度信号执行温度估计过程传感器。

35. 发明授权

US06900607B2 Combined feedforward and feedback parameter estimation for electric machines 有权
标题翻译：电机的前馈和反馈参数估计
公开(公告)号：US06900607B2
公开(公告)日：2005-05-31
申请号：US10013933
申请日：2001-12-11
申请人： Julie A. Kleinau , Steven J. Collier-Hallman , Ashok Chandy , Ravindra P. Patankar , Daniel W. Shafer , Jeffery A. Zuraski
发明人： Julie A. Kleinau , Steven J. Collier-Hallman , Ashok Chandy , Ravindra P. Patankar , Daniel W. Shafer , Jeffery A. Zuraski
IPC分类号： H02P29/00 , B62D5/04 , G01K7/21 , G05B13/04 , G05B23/02 , H02P6/16 , H02P21/14 , H02P23/14 , H02P7/00 , B62D6/00 , B62D11/06 , H02H5/04
CPC分类号： H02P23/14 , B62D5/0496 , G01K7/21 , G05B13/04 , Y10S388/934
摘要： A method and system for estimating a parameter of an electric machine, including a controller and a switching device, the controller responsive to at least one of: a current sensor, and a temperature sensor. Where the controller executes a parameter estimation process, which is responsive to at least one of: a current value, a torque command and the resultant of the parameter estimation process representing an estimated parameter of the electric machine. The parameter estimation includes a method for estimating a temperature of the electric machine comprising: a temperature sensor operatively connected to and transmitting a temperature signal corresponding to a measured temperature to a controller, which executes a temperature estimation process responsive to a temperature signal from a temperature sensor.
摘要翻译：一种用于估计包括控制器和开关装置的电机的参数的方法和系统，所述控制器响应于以下中的至少一个：电流传感器和温度传感器。其中控制器执行参数估计过程，该参数估计过程响应于以下中的至少一个：当前值，转矩指令和表示电机的估计参数的参数估计处理的结果。该参数估计包括一种用于估计电机的温度的方法，包括：温度传感器，其可操作地连接到控制器并将对应于测量温度的温度信号传送到控制器，该控制器响应于来自温度的温度信号执行温度估计过程传感器。

36. 发明授权

US06804594B1 Active steering for handling/stability enhancement 有权
标题翻译：主动转向处理/稳定性增强
公开(公告)号：US06804594B1
公开(公告)日：2004-10-12
申请号：US10402570
申请日：2003-03-28
申请人： Hsien H. Chen , John D. Martens , Todd D. Brown , Ashok Chandy , Chester W. Gryczan
发明人： Hsien H. Chen , John D. Martens , Todd D. Brown , Ashok Chandy , Chester W. Gryczan
IPC分类号： B62D504
CPC分类号： B62D6/003
摘要： A control system for a steering system in a vehicle comprising: a reference model responsive to an operator input that computes desired states of the vehicle; a feedforward controller in operable communication with the reference model. The feedforward controller computes a first control value based on input from said reference model and based on at least one of: a lateral velocity, a rate of lateral velocity, a lateral acceleration, and a combination, wherein the combination includes a yaw rate with at least one of a lateral velocity, a rate of lateral velocity, and a lateral acceleration of the motor vehicle. The system also includes an actuator for affecting the steering system based on the first control value, the actuator in operable communication with the feedforward controller.
摘要翻译：一种用于车辆中的转向系统的控制系统，包括：响应于计算车辆的期望状态的操作员输入的参考模型; 与参考模型可操作地通信的前馈控制器。所述前馈控制器基于来自所述参考模型的输入并基于以下至少一个来计算第一控制值：横向速度，横向速度速率，横向加速度和组合，其中所述组合包括横摆率机动车辆的侧向速度，侧向速度速率和横向加速度中的至少一个。该系统还包括用于基于第一控制值影响转向系统的致动器，致动器可与前馈控制器可操作地通信。

37. 发明授权

US06647329B2 Damping of voltage-controlled brushless motors for electric power steering systems 有权
标题翻译：用于电动助力转向系统的电压控制无刷电机的阻尼
公开(公告)号：US06647329B2
公开(公告)日：2003-11-11
申请号：US09829311
申请日：2001-04-09
申请人： Julie A. Kleinau , Ashok Chandy
发明人： Julie A. Kleinau , Ashok Chandy
IPC分类号： G06F700
CPC分类号： B62D5/0466 , B62D5/046 , B62D5/0463
摘要： An electric power steering system includes a steering wheel, a voltage-controlled electric assist motor connected to the steering wheel or column, and an electronic controller electrically connected to the assist motor that receives a first signal representing a torque command to the assist motor and a second signal representing an angular velocity of the assist motor, and produces a voltage signal according to an assist-dependent damping function of the first and second signals, and uses the voltage signal to control the voltage-controlled electric assist motor in response to the assist-dependent damping function.
摘要翻译：电动助力转向系统包括方向盘，连接到方向盘或列的电压控制的电动辅助电动机以及与辅助电动机电连接的电子控制器，该辅助电动机接收表示对辅助电动机的转矩指令的第一信号，以及表示辅助电动机的角速度的第二信号，并且根据第一和第二信号的辅助相关阻尼函数产生电压信号，并且使用电压信号来响应于辅助来控制压控电动辅助电动机依赖阻尼功能。

38. 发明授权

US06548975B2 Stall detection and thermal protection of vehicular systems having an electric motor 有权
标题翻译：具有电动马达的车辆系统失速检测和热保护
公开(公告)号：US06548975B2
公开(公告)日：2003-04-15
申请号：US09896704
申请日：2001-06-29
申请人： Julie Ann Kleinau , Ashok Chandy
发明人： Julie Ann Kleinau , Ashok Chandy
IPC分类号： H02K1732
CPC分类号： B62D5/0469 , B62D5/0487 , H02P29/02
摘要： A vehicular system includes a controller and an electric motor in signal communication with the controller for receiving current and rotating at speed; while the controller includes a first function responsive to a signal indicative of the speed of the electric motor, a filter responsive to a signal indicative of the heat generation rate of the vehicular system, a second function in signal communication with the first function and the filter, and a limit calculation function in signal communication with the second function for providing a motor current limit responsive to the second function; wherein a method for controlling the vehicular system includes receiving a signal indicative of the heat generation rate of the vehicular system, receiving a signal indicative of a speed of the electric motor, providing a scale factor or an overload value in response to the received signal indicative of speed, filtering the received signal indicative of heat generation rate in correspondence with a time constant, processing the filtered signal by executing a multiplication by the scale factor or a comparison with the overload value to produce a signal indicative of compliance with a duty cycle requirement, and calculating a motor current limit in correspondence with the processed signal to thereby protect the system from thermal overload while maximizing its performance.
摘要翻译：车辆系统包括控制器和与控制器进行信号通信的电动机，用于接收电流和转速; 而控制器包括响应于指示电动机速度的信号的第一功能，响应于指示车辆系统的发热速率的信号的滤波器，与第一功能信号通信的第二功能和滤波器以及与第二功能的信号通信中的限制计算功能，用于响应于第二功能提供电动机电流限制; 其中用于控制所述车辆系统的方法包括接收指示所述车辆系统的发热速率的信号，接收指示所述电动机的速度的信号，响应于所述接收到的信号指示，提供比例因子或过载值根据时间常数过滤表示发热速率的接收信号，通过执行与比例因子相乘或与过载值的比较来处理滤波信号，以产生表示符合占空比要求的信号并根据处理的信号计算电机电流极限，从而保护系统免受热过载，同时最大化其性能。

39. 发明授权

US06546324B1 System and method incorporating dynamic feedforward for integrated control of motor vehicle steering and braking 有权
标题翻译：车辆转向和制动综合控制的动态前馈系统和方法
公开(公告)号：US06546324B1
公开(公告)日：2003-04-08
申请号：US10008251
申请日：2001-11-13
申请人： Hsien H. Chen , Ashok Chandy
发明人： Hsien H. Chen , Ashok Chandy
IPC分类号： B62D504
CPC分类号： B60G17/0195 , B60G2600/11 , B60G2600/1875 , B60G2600/1877 , B60G2800/91 , B60G2800/92 , B60G2800/96 , B60G2800/97 , B60T8/1755 , B60T2260/02 , B60T2270/86 , B60W2050/0012 , B60W2050/0057 , B62D6/00 , Y10T477/623 , Y10T477/62427
摘要： A control system for a motor vehicle subsystem comprises a reference model and a feedforward controller. The reference model computes desired states of the subsystem. The feedforward controller computes a first control value based on input from the reference model, and computes a second control value based on yaw rate of the vehicle and a control variable for the subsystem.
摘要翻译：用于机动车辆子系统的控制系统包括参考模型和前馈控制器。参考模型计算子系统的所需状态。前馈控制器基于来自参考模型的输入来计算第一控制值，并且基于车辆的偏航率和子系统的控制变量来计算第二控制值。

40. 发明授权

US06389338B1 Robust fault detection method 有权
标题翻译：鲁棒故障检测方法
公开(公告)号：US06389338B1
公开(公告)日：2002-05-14
申请号：US09634439
申请日：2000-08-08
申请人： Ashok Chandy , Mark Philip Colosky , Mark Dennis Kushion
发明人： Ashok Chandy , Mark Philip Colosky , Mark Dennis Kushion
IPC分类号： G06F1900
CPC分类号： G05B9/02 , B62D5/049
摘要： A system and method of discriminating faults in an error signal, such as that from a control input sensor, comprises a system for and method of determining allowable limits of an error signal versus time, passing the error signal through a low-pass filter, comparing output of the low-pass filter with a threshold and outputting a fault condition when the output of the low-pass filter exceeds the threshold. The time constant or constants of the low-pass filter and the threshold are selected so that a fault condition is detected when the error signal approaches the allowable limits before exceeding them.
摘要翻译：鉴别错误信号（例如来自控制输入传感器）的故障的系统和方法包括用于确定误差信号相对于时间的允许极限的系统和方法，使误差信号通过低通滤波器，比较输出具有阈值的低通滤波器，并且当低通滤波器的输出超过阈值时输出故障条件。选择低通滤波器和阈值的时间常数或常数，使得当误差信号超过它们之前接近允许极限时，检测到故障条件。

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