JP2007178830A5 - - Google Patents
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- JP2007178830A5 JP2007178830A5 JP2005378734A JP2005378734A JP2007178830A5 JP 2007178830 A5 JP2007178830 A5 JP 2007178830A5 JP 2005378734 A JP2005378734 A JP 2005378734A JP 2005378734 A JP2005378734 A JP 2005378734A JP 2007178830 A5 JP2007178830 A5 JP 2007178830A5
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- 238000004458 analytical method Methods 0.000 claims 38
- 238000000034 method Methods 0.000 claims 33
- 230000015572 biosynthetic process Effects 0.000 claims 26
- 238000005755 formation reaction Methods 0.000 claims 26
- 238000004364 calculation method Methods 0.000 claims 21
- 239000002245 particle Substances 0.000 claims 16
- 238000004088 simulation Methods 0.000 claims 12
- 238000004590 computer program Methods 0.000 claims 6
- 238000011156 evaluation Methods 0.000 claims 2
- 238000003702 image correction Methods 0.000 claims 1
Claims (23)
サブシステムにおける入出力特性を、個別要素法を用いた粒子挙動解析により算出する入出力特性算出手段と、
算出された入出力特性に基づいてサブシステムに関するモデル式を補間するモデル式形成手段と、
モデル式を用いてサブシステムにおける現象を数値解析する数値解析手段と、
を具備することを特徴とするシミュレーション装置。 A simulation device for numerically analyzing a process composed of a plurality of subsystems realized by the behavior of a large number of particles,
Input / output characteristic calculation means for calculating input / output characteristics in the subsystem by particle behavior analysis using the individual element method;
A model formula forming means for interpolating a model formula related to the subsystem based on the calculated input / output characteristics;
Numerical analysis means for numerically analyzing phenomena in subsystems using model formulas;
A simulation apparatus comprising:
ことを特徴とする請求項１に記載のシミュレーション装置。 An integrated evaluation means for evaluating the performance of the entire process by integrating numerical analysis results for each subsystem is further provided.
The simulation apparatus according to claim 1.
ことを特徴とする請求項１に記載のシミュレーション装置。 2. A numerical analysis of an electrophotographic process comprising a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing. 1. The simulation apparatus according to 1.
前記モデル式形成手段は、前記入出力特性算出手段により算出された現像トナー像を用いて、トナー像形成手段と現像トナー量に関するモデル式を補間し、
前記数値解析手段は、前記モデル式形成手段により作成されたモデル式を用いて、トナー像形成条件を変化させたときの現像トナー量を算出する、
ことを特徴とする請求項３に記載のシミュレーション装置。 The input / output characteristic calculating means calculates a developed toner image on the surface of the photosensitive member when the toner image forming condition is changed, using a development and transfer process analysis model by an individual element method,
The model formula forming means interpolates a toner image forming means and a model formula relating to the developing toner amount using the developed toner image calculated by the input / output characteristic calculating means,
The numerical analysis means calculates a developing toner amount when the toner image forming conditions are changed, using the model formula created by the model formula forming means;
The simulation apparatus according to claim 3.
前記モデル式形成手段は、前記入出力算出手段により算出された現像トナー像と転写トナー像から、画像周波数毎のコントラスト伝達量及び画像周波数伝達関数を算出し、
前記数値解析手段は、前記モデル式形成手段により作成された画像周波数伝達関数を用いて転写媒体へのトナー付着状態を算出する、
ことを特徴とする請求項３に記載のシミュレーション装置。 The input / output characteristic calculation means calculates a development toner image and a transfer toner image when the toner image formation conditions are changed using a development and transfer process analysis model by an individual element method,
The model formula forming unit calculates a contrast transfer amount and an image frequency transfer function for each image frequency from the development toner image and the transfer toner image calculated by the input / output calculation unit,
The numerical analysis means calculates the toner adhesion state on the transfer medium using the image frequency transfer function created by the model formula forming means;
The simulation apparatus according to claim 3.
サブシステムにおける入出力特性を、個別要素法を用いた粒子挙動解析により算出する入出力特性算出手段と、
入出力特性の算出結果をサブシステムに関するモデル式にフィッティングして、各サブシステムにおける現象を数値解析して画像を予測する画像予測手段と、
画像予測の結果に基づいて電子写真プロセスにおける画像形成パラメータを補正する画像形成パラメータ補正手段と、
を具備することを特徴とする画像形成装置。 Image forming apparatus for forming an image on a transfer medium by an electrophotographic process comprising a plurality of subsystems including exposure to a photosensitive member, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing Because
Input / output characteristic calculation means for calculating input / output characteristics in the subsystem by particle behavior analysis using the individual element method;
Image prediction means for fitting the calculation result of the input / output characteristics to a model expression related to the subsystem, numerically analyzing the phenomenon in each subsystem, and predicting the image,
Image formation parameter correction means for correcting image formation parameters in the electrophotographic process based on the result of image prediction;
An image forming apparatus comprising:
前記画像予測手段は、該モデル式及び画像周波数伝達関数を用いて予測画像における出力濃度並びに階調性変動を予測し、
前記画像補正手段は、出力濃度及び階調性変動に基づいて画像形成パラメータを補正する、
ことを特徴とする請求項６に記載の画像形成装置。 The input / output characteristic calculation means calculates a model expression and an image frequency transfer function of the input / output characteristics in each subsystem by particle behavior analysis based on the individual element method,
The image prediction means predicts output density and gradation variation in the predicted image using the model formula and the image frequency transfer function,
The image correcting unit corrects the image forming parameter based on the output density and gradation variation;
The image forming apparatus according to claim 6.
前記画像予測手段は、該モデル式及び画像周波数伝達関数を用いて入力画像に対する出力画像を予測し、
予測画像をユーザに提示する予測画像提示手段をさらに備える、
ことを特徴とする請求項６に記載の画像形成装置。 The input / output characteristic calculation means calculates a model expression and an image frequency transfer function of the input / output characteristics in each subsystem by particle behavior analysis based on the individual element method,
The image prediction means predicts an output image for an input image using the model formula and an image frequency transfer function,
A prediction image presenting unit for presenting the prediction image to the user;
The image forming apparatus according to claim 6.
前記予測画像提示手段は、変更された画像形成パラメータに基づいて前記画像予測手段が再度予測した出力画像を提示する、
ことを特徴とする請求項８に記載の画像形成装置。 The image formation parameter correction unit changes the image formation parameter based on a change instruction of an image quality setting input from a user who viewed the predicted image,
The predicted image presenting means presents the output image predicted again by the image predicting means based on the changed image formation parameter;
The image forming apparatus according to claim 8.
個別要素法に基づく粒子挙動解析により各サブシステムにおける入出力特性のモデル式及び画像周波数伝達関数を算出する入出力特性算出手段と、
該モデル式及び画像周波数伝達関数を用いて入力画像に対する出力画像を予測する画像予測手段と、
入力画像に対する出力画像を電子写真プロセスにより形成する画像形成手段と、
前記画像予測手段による予測画像と前記画像形成手段により現実に形成される画像を比較して、故障解析を行なう故障解析手段と、
を具備することを特徴とする画像形成装置。 Image forming apparatus for forming an image on a transfer medium by an electrophotographic process comprising a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing Because
Input / output characteristic calculation means for calculating a model expression and an image frequency transfer function of input / output characteristics in each subsystem by particle behavior analysis based on the individual element method;
Image prediction means for predicting an output image for an input image using the model formula and an image frequency transfer function;
Image forming means for forming an output image with respect to an input image by an electrophotographic process;
A failure analysis means for performing failure analysis by comparing a predicted image by the image prediction means and an image actually formed by the image forming means;
An image forming apparatus comprising:
サブシステムにおける入出力特性を、個別要素法を用いた粒子挙動解析により算出する入出力特性算出ステップと、
算出された入出力特性に基づいてサブシステムに関するモデル式を補間するモデル式形成ステップと、
モデル式を用いてサブシステムにおける現象を数値解析する数値解析ステップと、
を具備することを特徴とするシミュレーション方法。 A simulation method for numerical analysis of a process consisting of a plurality of subsystems realized by the behavior of a large number of particles,
Input / output characteristic calculation step for calculating input / output characteristics in the subsystem by particle behavior analysis using the individual element method,
A model formula forming step of interpolating a model formula related to the subsystem based on the calculated input / output characteristics;
A numerical analysis step for numerically analyzing phenomena in the subsystem using a model formula;
A simulation method comprising:
ことを特徴とする請求項１１に記載のシミュレーション方法。 The system further includes an integrated evaluation step for integrating the numerical analysis results for each subsystem to evaluate the performance of the entire process.
The simulation method according to claim 11, wherein:
ことを特徴とする請求項１１に記載のシミュレーション方法。 2. A numerical analysis of an electrophotographic process comprising a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing. 11. The simulation method according to 11.
前記モデル式形成ステップでは、前記入出力特性算出ステップにおいて算出された現像トナー像を用いて、トナー像形成条件と現像トナー像に関するモデル式を補間し、
前記数値解析手ステップでは、前記モデル式形成ステップにおいて作成されたモデル式を用いて、トナー像形成条件を変化させたときの現像トナー量を算出する、
ことを特徴とする請求項１３に記載のシミュレーション方法。 In the input / output characteristic calculation step, a development toner image on the surface of the photosensitive member when the toner image formation condition is changed is calculated using a development and transfer process analysis model by an individual element method,
In the model formula forming step, using the developed toner image calculated in the input / output characteristic calculating step, a model formula relating to a toner image forming condition and the developed toner image is interpolated,
In the numerical analysis manual step, a developing toner amount when the toner image forming condition is changed is calculated using the model formula created in the model formula forming step.
The simulation method according to claim 13.
前記モデル式形成ステップでは、前記入出力算出ステップにおいて算出された現像トナー像と転写トナー像から、画像周波数毎のコントラスト伝達量及び画像周波数伝達関数を算出し、
前記数値解析ステップでは、前記モデル式形成ステップにおいて作成された画像周波数伝達関数を用いて画像周波数毎のコントラスト伝達量を算出する、
ことを特徴とする請求項１３に記載のシミュレーション方法。 In the input / output characteristic calculation step, a development toner image and a transfer toner image when the toner image formation conditions are changed are calculated using a development and transfer process analysis model by an individual element method,
In the model formula forming step, a contrast transfer amount and an image frequency transfer function for each image frequency are calculated from the development toner image and the transfer toner image calculated in the input / output calculation step,
In the numerical analysis step, a contrast transfer amount for each image frequency is calculated using the image frequency transfer function created in the model formula forming step.
The simulation method according to claim 13.
サブシステムにおける入出力特性を、個別要素法を用いた粒子挙動解析により算出する入出力特性算出ステップと、
入出力特性の算出結果をサブシステムに関するモデル式にフィッティングして、各サブシステムにおける現象を数値解析して画像を予測する画像予測ステップと、
画像予測の結果に基づいて電子写真プロセスにおける画像形成パラメータを補正する画像形成パラメータ補正ステップと、
を具備することを特徴とする画像形成方法。 Image forming method for forming an image on a transfer medium by an electrophotographic process comprising a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing Because
Input / output characteristic calculation step for calculating input / output characteristics in the subsystem by particle behavior analysis using the individual element method,
An image prediction step for fitting the calculation result of the input / output characteristics to a model expression related to the subsystem, and numerically analyzing the phenomenon in each subsystem to predict an image,
An image formation parameter correction step for correcting the image formation parameter in the electrophotographic process based on the result of the image prediction;
An image forming method comprising:
前記画像予測ステップでは、該モデル式及び画像周波数伝達関数を用いて予測画像における出力濃度並びに階調性変動を予測し、
前記画像補正ステップでは、出力濃度及び階調性変動に基づいて画像形成パラメータを補正する、
ことを特徴とする請求項１６に記載の画像形成方法。 In the input / output characteristic calculation step, a model expression and an image frequency transfer function of the input / output characteristics in each subsystem are calculated by particle behavior analysis based on the individual element method,
In the image prediction step, the output density and the gradation variation in the predicted image are predicted using the model formula and the image frequency transfer function,
In the image correction step, the image forming parameter is corrected based on the output density and gradation variation.
The image forming method according to claim 16.
前記画像予測ステップでは、該モデル式及び画像周波数伝達関数を用いて入力画像に対する出力画像を予測し、
予測画像をユーザに提示する予測画像提示ステップをさらに備える、
ことを特徴とする請求項１６に記載の画像形成方法。 In the input / output characteristic calculation step, a model expression and an image frequency transfer function of the input / output characteristics in each subsystem are calculated by particle behavior analysis based on the individual element method,
In the image prediction step, an output image for an input image is predicted using the model formula and an image frequency transfer function,
A prediction image presentation step of presenting the prediction image to the user;
The image forming method according to claim 16.
予測画像提示ステップでは、変更された画像形成パラメータに基づいて前記画像予測ステップにおいて再度予測した出力画像を提示する、
ことを特徴とする請求項１８に記載の画像形成方法。 In the image formation parameter correction step, the image formation parameter is changed based on an instruction to change the image quality setting input from the user who viewed the predicted image,
In the predicted image presentation step, the output image predicted again in the image prediction step based on the changed image formation parameter is presented.
The image forming method according to claim 18.
個別要素法に基づく粒子挙動解析により各サブシステムにおける入出力特性のモデル式及び画像周波数伝達関数を算出する入出力特性算出ステップと、
該モデル式及び画像周波数伝達関数を用いて入力画像に対する出力画像を予測する画像予測ステップと、
入力画像に対する出力画像を電子写真プロセスにより形成する画像形成ステップと、
前記画像予測ステップにおける予測画像と前記画像形成ステップにおいて現実に形成される画像を比較して、故障解析を行なう故障解析ステップと、
を具備することを特徴とする画像形成方法。 Image forming method for forming an image on a transfer medium by an electrophotographic process comprising a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing Because
An input / output characteristic calculation step for calculating an input / output characteristic model formula and an image frequency transfer function in each subsystem by particle behavior analysis based on the individual element method;
An image prediction step for predicting an output image for an input image using the model formula and an image frequency transfer function;
An image forming step of forming an output image with respect to the input image by an electrophotographic process;
A failure analysis step of performing failure analysis by comparing the predicted image in the image prediction step and the image actually formed in the image formation step;
An image forming method comprising:
サブシステムにおける入出力特性を、個別要素法を用いた粒子挙動解析により算出する入出力特性算出手順と、
算出された入出力特性に基づいてサブシステムに関するモデル式を補間するモデル式形成手順と、
モデル式を用いてサブシステムにおける現象を数値解析する数値解析手順と、
を実行させることを特徴とするコンピュータ・プログラム。 A computer program described in a computer-readable format for executing on a computer system a process for numerical analysis of a process comprising a plurality of subsystems realized by the behavior of a large number of particles, the computer system Whereas
Input / output characteristic calculation procedure for calculating input / output characteristics in the subsystem by particle behavior analysis using the individual element method,
A model formula formation procedure for interpolating a model formula related to the subsystem based on the calculated input / output characteristics;
Numerical analysis procedure for numerical analysis of phenomena in subsystems using model formulas,
A computer program for executing
サブシステムにおける入出力特性を、個別要素法を用いた粒子挙動解析により算出する入出力特性算出手順と、
入出力特性の算出結果をサブシステムに関するモデル式にフィッティングして、各サブシステムにおける現象を数値解析して画像を予測する画像予測手順と、
画像予測の結果に基づいて電子写真プロセスにおける画像形成パラメータを補正する画像形成パラメータ補正手順と、
を実行させることを特徴とするコンピュータ・プログラム。 An image when an image is formed on a transfer medium by an electrophotographic process including a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing. A computer program written in a computer-readable format to execute processing for correcting the formation parameter on the computer system, the computer system
Input / output characteristic calculation procedure for calculating input / output characteristics in the subsystem by particle behavior analysis using the individual element method,
An image prediction procedure for fitting the calculation result of the input / output characteristics to a model expression related to the subsystem, numerically analyzing the phenomenon in each subsystem, and predicting the image,
Image formation parameter correction procedure for correcting image formation parameters in the electrophotographic process based on the result of image prediction;
A computer program for executing
個別要素法に基づく粒子挙動解析により各サブシステムにおける入出力特性のモデル式及び画像周波数伝達関数を算出する入出力特性算出手順と、
該モデル式及び画像周波数伝達関数を用いて入力画像に対する出力画像を予測する画像予測手順と、
前記画像予測手順における予測画像と前記画像形成装置上で入力画像から現実に形成される画像を比較して、故障解析を行なう故障解析手順と、
を実行させることを特徴とするコンピュータ・プログラム。 Image forming apparatus for forming an image on a transfer medium by an electrophotographic process comprising a plurality of subsystems including exposure to a photoreceptor, formation of an electrostatic latent image, development of a toner image, transfer of a toner image to a medium, and fixing A computer program written in a computer-readable format so as to execute processing for failure analysis in the computer system, the computer system
Input / output characteristic calculation procedure for calculating the input / output characteristic model formula and image frequency transfer function in each subsystem by particle behavior analysis based on the individual element method,
An image prediction procedure for predicting an output image for an input image using the model formula and an image frequency transfer function;
A failure analysis procedure for performing failure analysis by comparing a predicted image in the image prediction procedure with an image actually formed from an input image on the image forming apparatus;
A computer program for executing
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