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    • 2. 发明授权
    • Printing process model predictive control with disturbance preview
    • 印刷过程模型预测控制与扰动预测
    • US08456674B2
    • 2013-06-04
    • US12603674
    • 2009-10-22
    • Faming LiEric Scott HambyYongsoon Eun
    • Faming LiEric Scott HambyYongsoon Eun
    • G06F3/12
    • G03G15/2064G03G15/2039G03G15/5029G03G2215/00805
    • According to aspects of the embodiments, there is provided methods and systems that incorporate a model predictive controller (MPC) in an image reproduction machine with known disturbance information. The MPC uses the control action at a current time in order to minimize the impact of an impending disturbance as well as to maximize current control performance. The impending disturbance is used by the MPC to determine an incremental change that combines steady state and transient state impact on the image reproduction machine. Disturbance such as print media type, image content type, physical dimension of the print media, weight of the print media, and print job data can be employed. Further, control of the image reproduction machine is generated in real time over a receding horizon, for the purpose of minimizing a cost function indicative of image variation, energy consumption, or the like.
    • 根据实施例的方面,提供了在具有已知干扰信息的图像再现机中并入模型预测控制器(MPC)的方法和系统。 MPC在当前时间使用控制动作,以便最小化即将发生的干扰的影响以及最大化电流控制性能。 MPC使用即将发生的干扰来确定将稳态和瞬态影响结合在图像再现机上的增量变化。 可以采用打印介质类型,图像内容类型,打印介质的物理尺寸,打印介质的重量以及打印作业数据等干扰。 此外,为了最小化指示图像变化,能量消耗等的成本函数的目的,在后退水平线上实时生成图像再现机的控制。
    • 4. 发明申请
    • PRINTING PROCESS MODEL PREDICTIVE CONTROL WITH DISTURBANCE PREVIEW
    • 打印过程模型预测控制与干扰预测
    • US20110096353A1
    • 2011-04-28
    • US12603674
    • 2009-10-22
    • Faming LIEric Scott HambyYongsoon Eun
    • Faming LIEric Scott HambyYongsoon Eun
    • G06F15/00
    • G03G15/2064G03G15/2039G03G15/5029G03G2215/00805
    • According to aspects of the embodiments, there is provided methods and systems that incorporate a model predictive controller (MPC) in an image reproduction machine with known disturbance information. The MPC uses the control action at a current time in order to minimize the impact of an impending disturbance as well as to maximize current control performance. The impending disturbance is used by the MPC to determine an incremental change that combines steady state and transient state impact on the image reproduction machine. Disturbance such as print media type, image content type, physical dimension of the print media, weight of the print media, and print job data can be employed. Further, control of the image reproduction machine is generated in real time over a receding horizon, for the purpose of minimizing a cost function indicative of image variation, energy consumption, or the like.
    • 根据实施例的方面,提供了在具有已知干扰信息的图像再现机中并入模型预测控制器(MPC)的方法和系统。 MPC在当前时间使用控制动作,以便最小化即将发生的干扰的影响以及最大化电流控制性能。 MPC使用即将发生的干扰来确定将稳态和瞬态影响结合在图像再现机上的增量变化。 可以采用打印介质类型,图像内容类型,打印介质的物理尺寸,打印介质的重量以及打印作业数据等干扰。 此外,为了最小化指示图像变化,能量消耗等的成本函数的目的,在后退水平线上实时生成图像再现机的控制。
    • 5. 发明申请
    • APPARATUS AND METHOD FOR ADJUSTMENT OF A PRINTER FUSER NIP
    • 用于调整打印机熔断器的装置和方法
    • US20100303493A1
    • 2010-12-02
    • US12473578
    • 2009-05-28
    • Eric Scott HambyFaming LiDonald M. Bott
    • Eric Scott HambyFaming LiDonald M. Bott
    • G03G15/20
    • G03G15/2064
    • An apparatus (100) and method (300) that adjusts a printer fuser nip is disclosed. The apparatus can include a media transport (110) configured to transport a media sheet (112) in a media sheet travel direction. The apparatus can include a fuser assembly (120) configured to fuse an image on the media sheet. The fuser assembly can include a fuser nip (126) that can have a fuser nip width (128) parallel to the media sheet travel direction. The apparatus can include a controller (130) coupled to the fuser assembly, where the controller can be configured to control operations of the apparatus. The apparatus can include a nip width profile generation module (140) coupled to the controller, where the nip width profile generation module can be configured to determine fuser nip width parameters based on media sheet properties and based on fuser assembly properties. The fuser assembly can be adjusted according to the fuser nip width parameters.
    • 公开了一种调整打印机定影辊压区的装置(100)和方法(300)。 该设备可以包括被配置为在介质片材行进方向上传送介质片材(112)的介质传送器(110)。 该设备可以包括定影器组件(120),其被配置为熔合介质片上的图像。 定影器组件可以包括可以具有平行于介质板行进方向的定影压区宽度(128)的定影器压区(126)。 该装置可以包括联接到定影器组件的控制器(130),其中控制器可被配置成控制设备的操作。 该装置可以包括联接到控制器的辊隙宽度轮廓生成模块(140),其中夹持宽度轮廓生成模块可以被配置为基于介质片材性质并且基于定影器组件性质来确定定影器辊隙宽度参数。 定影器组件可以根据定影辊宽度参数进行调整。
    • 6. 发明授权
    • Variable speed fusing
    • 变速熔断
    • US07778563B2
    • 2010-08-17
    • US12099262
    • 2008-04-08
    • Yongsoon EunEric Scott Hamby
    • Yongsoon EunEric Scott Hamby
    • G03G15/20G03G15/00
    • G03G15/2064G03G15/657
    • Systems and methods are described that facilitate reducing temperature droop during an initial portion of a print job by reducing fuser speed to increase fuser-to-paper interaction while fuser heat is absorbed by the paper during a temperature transient. For instance, during a first N pages of a print job, where N is an integer, the paper acts as a heat sink and exerts a thermal load on the fuser roll. To compensate, fuser speed is reduced initially to ensure that a given amount of heat is applied to toner on the pages. Fuser speed is increased until fuser temperature reaches steady state. Acceleration of the fuser is also adjustable.
    • 描述了系统和方法,其有助于在温度瞬变期间通过降低定影器速度以增加定影器到纸的相互作用,同时定影器热被纸张吸收,从而在打印作业的初始部分期间降低温度下垂。 例如,在打印作业的前N页中,其中N是整数,纸作为散热器并在定影辊上施加热负载。 为了补偿,首先降低定影速度,以确保给页面上的墨粉施加一定量的热量。 定影速度增加,直到定影温度达到稳定状态。 定影器的加速度也可调节。
    • 7. 发明授权
    • Heated drum assembly having a multiple speed fan for use in a printer
    • 具有用于打印机的多速风扇的加热鼓组件
    • US07725050B2
    • 2010-05-25
    • US12234214
    • 2008-09-19
    • Faming LiEric Scott Hamby
    • Faming LiEric Scott Hamby
    • G03G21/20B41J2/01B41J29/38F24F11/053
    • B41J29/377G03G15/751G03G21/206
    • A heated drum assembly improves thermal control of a rotating drum in a printer. The assembly includes a hollow drum, two stationary heaters located within an internal cavity of the drum, one of the two stationary heaters being at one end of the drum and the other stationary heater being at another end of the drum, a fan located at one end of the drum, a temperature sensor at one end of the drum, and a second temperature sensor at the other end of the drum, and a controller electrically coupled to the heaters, the fan, and the two temperature sensors to control a temperature of the wall of the drum to a set point by activating at least one of the heaters in response to a signal indicating a temperature below a first predetermined temperature threshold and operating the fan at one of three speeds.
    • 加热鼓组件改善了打印机中旋转滚筒的热控制。 该组件包括一个中空鼓,两个固定加热器位于滚筒的内腔内,两个固定加热器中的一个位于滚筒的一端,另一个固定加热器位于滚筒的另一端,一个位于一个滚筒的风扇 滚筒的一端,滚筒一端的温度传感器,以及滚筒另一端的第二温度传感器,以及与加热器,风扇和两个温度传感器电耦合以控制温度的控制器 通过响应于指示温度低于第一预定温度阈值的信号激活至少一个加热器,将滚筒的壁延伸到设定点,并以三个速度中的一个速度操作风扇。
    • 10. 发明申请
    • System and method for determining an amount of toner mass on a photoreceptor
    • 用于确定感光体上调色剂质量的系统和方法
    • US20080089708A1
    • 2008-04-17
    • US11581488
    • 2006-10-17
    • Eric Michael GrossEric Scott HambyMark Sennett JacksonR. Enrique Viturro
    • Eric Michael GrossEric Scott HambyMark Sennett JacksonR. Enrique Viturro
    • G03G15/00
    • G03G15/5041G03G2215/00042
    • A system that determines an amount of toner mass present on a toner application surface, and comprises a specular reflection sensor, a diffuse reflection sensor, an output combination module, and a mass determination module. The specular reflection sensor receives electromagnetic radiation that has been specularly reflected by the toner application surface, and generates a specular reflection output representative of the received electromagnetic radiation. The diffuse reflection sensor receives electromagnetic radiation that has been diffusely reflected by the toner application surface, and generates a diffuse reflection output representative of the received electromagnetic radiation. The output combination module creates a combined output by combining the specular reflection output and the diffuse reflection output with the purpose of reducing a noise source common to both specular and diffuse outputs to improve the signal to noise ratio. The mass determination module determines an amount of toner mass present on the toner application surface based on the combined output.
    • 确定调色剂涂布表面上存在的调色剂质量的系统,包括镜面反射传感器,漫反射传感器,输出组合模块和质量确定模块。 镜面反射传感器接收由调色剂施加表面镜面反射的电磁辐射,并产生表示所接收的电磁辐射的镜面反射输出。 漫反射传感器接收已经被调色剂施加表面漫反射的电磁辐射,并产生代表所接收的电磁辐射的漫反射输出。 输出组合模块通过组合镜面反射输出和漫反射输出来产生组合输出,目的是减少镜面和漫反射输出共同的噪声源,以提高信噪比。 质量确定模块基于组合的输出来确定存在于调色剂涂布表面上的调色剂质量的量。