Fanuc Corporation

Kouji Hada

Yoshito Miyazaki

Yasumichi Sakoda

Hiroyuki Kataya

Hiroshige Ando

Takaaki Komatsu

Hiroshi Noda

Masao Kamiguchi

Hideki Otsuki

Takahiro Baba

Akira Koizumi

Hitoshi Hirota

Yuji Sone

Susumu Itou

A touch panel device having a touch panel includes: a driving unit for sending drive pulse signals to the touch panel; a receiving unit for receiving sense signals based on an operated position on the touch panel; a driving control unit for controlling the driving unit to send the drive pulse signals; a signal strength obtaining unit for obtaining strengths of the sense signals received by the receiving unit; a signal strength adjusting unit that adjusts the sense signal strength that is equal to or greater than a threshold, to a first adjustment value, and adjusts the strength that is less than the threshold, to a second adjustment value; and an operated position obtaining unit for obtaining the operated position based on sense signals in which an average of the adjusted strengths corresponding to the respective drive pulses is equal to or greater than a given average.

Touch panel device, touch panel device control method, and non-transitory tangible computer-readable storage medium having the program stored therein

A touch panel device having a touch panel includes: a signal strength obtaining unit for obtaining the strength of signal at each node on the touch panel; an invalid node setting unit, wherein, among nodes located in an uppermost portion of the touch panel, if the number of nodes where the time for which the strength of the signal is maintained at a level equal to or greater than a threshold is equal to or longer than a first given time is equal to or greater than a first given number, the invalid node setting unit sets those nodes as invalid nodes; and an operated position obtaining unit, wherein, among nodes where the strength of the signal is equal to or greater than the threshold, the operated position obtaining unit obtains the position of a node other than the invalid nodes, as the operated position.

A touch panel device having a touch panel includes: a driving unit for sending drive pulse signals to the touch panel; a receiving unit for receiving sense signals based on an operated position on the touch panel; a driving control unit for controlling the driving unit to send the drive pulse signal; a signal strength obtaining unit for obtaining strengths of the sense signals received by the receiving unit; and an operated position obtaining unit for obtaining the operated position based on sense signals, of the sense signals, in which an average of the strengths of the sense signals corresponding to the respective pulses of the drive pulse signal is equal to or greater than a given average and a variance of the strengths of the sense signals corresponding to the respective pulses of the drive pulse signal is less than a given variance.

A numerical control device includes a multicore CPU for outputting a position command value of a servomotor, an ASIC including a servo controller, which outputs a current command value to an amplifier for driving the servomotor, and another processor, and a DSP for reading the position command value and controlling the servomotor such that the servomotor moves to a position indicated by the position command value. The CPU and the ASIC are connected through a plurality of serial interfaces.

Numerical control device having improved servo control performance

A high-speed converter includes at least one converter among a first converter for converting an analog signal into a digital value; a second converter for converting a digital value into an analog signal; a third converter for converting an electrical signal into a digital signal; and a fourth converter for converting a digital signal into an electrical signal, and causes the at least one converter to operate by a method based on information acquired via a network.

High-speed converter, measurement system, and computer-readable medium

A numerical control device includes a CPU for outputting a position command value of a servomotor; an IC including a servo controller for outputting a current command value to an amplifier for driving the servomotor, and an I/O unit for inputting and outputting an external signal; a DSP for reading the position command value and performing control so as to move the servomotor to a position indicated by the position command value; and an inter-device communication path between the CPU and the IC. The IC includes an internal bus connected to a communication interface connected to the inter-device communication path, and the I/O unit; and an internal communication path for directly transmitting a signal between the servo controller and the I/O unit without passing through the internal bus.

Numerical control device for realizing high-speed input and output of external signal in servo controller

In a numerical control system including a numerical controller and a plurality of I/O units, a serial communication signal monitoring circuit is included inside the I/O unit to monitor a serial communication signal (data and an idle signal). When a state is detected in which a serial communication signal is high or low for a predetermined time or longer, the numerical control system acknowledges the state as disconnection of the serial communication signal, and generates a reset pulse signal to reset an internal register of the I/O unit. With this configuration, when the power supply of the numerical controller is turned off/on, it is unnecessary to turn off/on the power supply of the I/O unit.

Numerical control system including internal register self-reset function with serial communication signal monitoring

Each of the host transmitting/receiving blocks of a plurality of I/O units connected to a CNC reads the destination specification data and a diagnostic result bit each time the host transmitting/receiving block receives a signal packet from the CNC. When the diagnostic result bit indicates the execution of a diagnosis, the signal packet contains diagnostic DO data, and the relevant DO signal output terminal is short-circuited to the relevant DI signal input terminal to form a diagnostic loop. The diagnostic packet signal passes through the diagnostic loop, the external signal transmitting/receiving block, and the host transmitting/receiving block and returns to the CNC through the host transmitting/receiving block of an adjacent I/O unit closer to the CNC. The CNC analyzes the packet signal to determine whether each of the I/O units is operating normally or not.

Method and system for diagnosing external signal input/output units

A power discontinuity occurring in any one of a plurality of I/O units connected to a numerical controller is detected. When the power discontinuity occurs in any one of the I/O units, the I/O unit detects the power discontinuity, and transmits the detection of the power discontinuity to an I/O unit in front of the I/O unit, at a timing different from a timing of an ordinary communication, in the form of a communication packet having a data pattern different from an ordinary data pattern. When the front I/O unit receives the communication packet, the communication packet is stored in a memory as power discontinuity detection information.

Method of detecting disconnection and power discontinuity of I/O unit connected to numerical controller

A numerical controller in which group IDs are automatically allocated to I/O units so that the group IDs and addresses can be set automatically even when a system configuration is changed in response to detection of a configuration error. When a power of the numerical controller is turned on, group IDs are successively allocated to I/O units with distance from the numerical controller, and types of the I/O units are stored. Initial values of the group IDs allocated when the power is turned on for the first time after a system of the numerical controller is constructed, and addresses for the allocated group IDs are stored. An alarm is issued if the types and number of units for the group IDs automatically allocated for the second or later time of starting the numerical controller are different from the initial values.

Growing community of inventors

Yamanashi, Japan

Kouji Hada