Seiko Epson Corporation

Atsushi Toyofuku

Toshiro Murayama

Takahiro Katakura

Ryutaro Seki

Shunya Fukuda

Kimitake Mizobe

Jun Toda

Tomonori Mano

An ejection state determination method for determining an ejection state of a liquid ejecting head in which a plurality of nozzles for ejecting a liquid in a first direction are arranged in a second direction intersecting the first direction. The ejection state determination method includes a first obtaining step of obtaining a plurality of pieces of multi-valued data of an image including a plurality of pixels by capturing, at one timing, an image of a droplet ejected from one nozzle selected from the plurality of nozzles, and a second obtaining step of obtaining determination information from the plurality of pieces of multi-valued data.

Ejection state determination method, ejection state determination apparatus, and non-transitory computer-readable storage medium storing ejection state determination program

A method of determining an ejection state of a liquid ejecting head having a plurality of nozzles that are arrayed in a second direction intersecting a first direction and from which liquid is ejected in the first direction includes: an acquiring step of acquiring a plurality of positional information items by capturing, at a plurality of timings, images of droplets ejected from the plurality of nozzles; and a determining step of determining the ejection state based on the plurality of positional information items.

Method of determining ejection state

A method of the present disclosure includes (a) a step of receiving track information for specifying a track of a target operation of a robot, (b) a step of acquiring, according to an instruction to adjust a parameter set for controlling the target operation, about one or more initial parameter sets, values of evaluation indicators of control results obtained when causing the robot to execute the target operation using the respective initial parameter sets, (c) a step of displaying, on a display section, one or more reference displays based on the acquired values of the evaluation indicators, and (d) a step of receiving an input of condition information for deciding a condition of optimization processing for the parameter set, the condition information being condition information about the evaluation indicators, performing the optimization processing for the parameter set according to the condition information, and determining a value of a new parameter set.

Method of supporting adjustment of parameter set of robot, a non-transitory computer-readable storage medium, and information processing device

A drive waveform determination method includes: a first acquisition step of executing first acquisition processing for acquiring, in a first environment condition which is a condition of an environment in which a liquid ejection head is provided, first information on an ejection characteristic of a liquid when each of a plurality of drive waveform candidates is applied to a drive element; a second acquisition step of executing second acquisition processing for acquiring, in a second environment condition which is a condition of the environment in which the liquid ejection head is provided and is different from the first environment condition, second information on the ejection characteristic when each of the plurality of drive waveform candidates is applied to the drive element; and a waveform determination step of determining a drive waveform based on the first information and the second information.

Drive waveform determination method, liquid ejection apparatus, and non-transitory computer-readable storage medium storing program

The drive waveform determination method includes a first step of setting a condition of the first discharge characteristic, a second step of acquiring the first discharge characteristic and the second discharge characteristic that are measured when a candidate waveform is used as a waveform of the drive pulse, a third step of determining whether the first discharge characteristic meets the condition, and a fourth step of, when it is determined in the third step that the condition is met, evaluating a candidate waveform by performing a superior comparison using the second discharge characteristic. The waveform of the drive pulse is determined by an optimization process in which at least the second step, the third step, and the fourth step are repeated.

Drive waveform determination method, storage medium, liquid discharge apparatus, and drive waveform determination system

A driving waveform determining method with which a waveform of a driving pulse applied to a driving element provided in a liquid ejecting head that ejects a liquid is determined includes: a first step of determining a waveform candidate of the driving pulse; a second step of notifying a user of candidate information of the waveform candidate; a third step of receiving an instruction issued by the user in accordance with the candidate information; and a fourth step of determining the waveform of the driving pulse in accordance with the instruction.

Driving waveform determining method, non-transitory computer-readable storage medium storing driving waveform determining program, liquid ejecting apparatus, and driving waveform determining system

A waveform determination method is disclosed that includes acquiring second timing information regarding a timing at which the flight distance of the droplet reaches the first distance when each of the plurality of waveform candidates indicated by the second waveform information is used, and a determination step of determining a waveform of each of the first drive pulse and the second drive pulse based on the first timing information and the second timing information.

Drive waveform determination method, non-transitory computer-readable storage medium storing drive waveform determination program, and drive waveform determination system

A driving waveform determining method with which a waveform of a driving pulse applied to a driving element provided in a liquid ejecting head that ejects a liquid is determined includes: a first step of measuring, by performing a simulation, ejection characteristics of the liquid from the liquid ejecting head when a waveform candidate is used for the driving pulse; a second step of measuring, by performing an actual measurement, the ejection characteristics of the liquid from the liquid ejecting head when the waveform candidate is used for the driving pulse; and a third step of determining the waveform of the driving pulse in accordance with a measurement result obtained in the first step and a measurement result obtained in the second step.

A drive-waveform determination method determines a waveform of a first drive pulse to be applied to a drive element included in a first liquid discharging head that discharges liquid. The drive-waveform determination method includes: a first step of obtaining second waveform information regarding a waveform of a second drive pulse to be applied to a drive element included in a second liquid discharging head that discharges liquid; and a second step of determining the waveform of the first drive pulse, based on the second waveform information.

Drive-waveform determination method, non-transitory computer-readable storage medium storing drive-waveform determination program, liquid discharging apparatus, and drive-waveform determination system

An overshoot amount detection method includes a synchronization step of synchronizing a signal of an inertial sensor with a signal of an encoder based on a first synchronizing signal output from the inertial sensor during a signal synchronizing operation and a second synchronizing signal output from the encoder during the signal synchronizing operation, a signal generation step of generating a first signal by twice integration of a first detection signal output from the inertial sensor during a working operation and removal of a low-frequency component contained in the first detection signal and generating a second signal for supplement of the low-frequency component of the first signal from a second detection signal output from the encoder during the working operation, and an overshoot amount detection step of detecting an overshoot amount of an arm based on the first signal and the second signal.

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Shiojiri, Japan

Atsushi Toyofuku