Abstract: The described technology relates to a light detection and ranging (LIDAR) device. The LIDAR device can include a transmitter configured to emit an optical signal, a first lens section configured to convert the optical signal into collimated light, a reflector configured to adjust a direction of the converted optical signal, a second lens section configured to allow the adjusted optical signal to have the same focal plane even though a reflection angle of the reflector is varied and a third lens section configured to convert the optical signal passed through the second lens section into collimated light. The LIDAR device can also include a fourth lens section configured to allow the optical signal, and a receiver configured to receive the optical signal passed through the fourth lens section. The third lens section and the fourth lens section are positioned on the same line in a first direction.

Abstract: A semiconductor device includes: a non-volatile memory including a normal region, a self-repair region and a redundancy region, each having a plurality of cells; a first boot-up control block suitable for controlling a first boot-up operation to detect defective cells of the normal region and store a defective address in a first latch unit; a self-program control block suitable for controlling a self-program operation to program the defective address stored in the first latch unit into the self-repair region; and a second boot-up control block suitable for controlling a second boot-up operation to read out data of the normal region based on an input address while reading out data of the redundancy region instead of the data of the normal region when data of the self-repair region coincides with the input address.

Abstract: Disclosed herein is a control method of a wearable robot, including: generating reference gait data based on the results of sensing by a sensor unit included in a structure; estimating, when a wearer walks, the wearer's gait phase based on the results of sensing by the sensor unit; detecting a gait phase having a minimum difference from the estimated gait phase from the reference gait data; and driving a driver of the structure, according to a control signal generated based on the estimated gait phase and the detected gait phase.

Abstract: The described technology relates to a light detection and ranging (LIDAR) device. The LIDAR device can include a transmission unit configured to emit a first signal, a first lens unit configured to convert the first signal into parallel light, a reflection unit configured to adjust a direction of the converted first signal and a second lens unit configured to enable the first signal to have the same focal plane even when a reflection angle of the reflection unit changes. The LIDAR device can also include a third lens unit configured to convert the first signal passing through the second lens unit into parallel light, a fourth lens unit configured to increase an angle of the first signal passing through the third lens unit and a reception unit configured to receive a second signal reflected by an object after passing through the fourth lens unit.

Abstract: There is provided a method of controlling a wearable robot. The method includes measuring an electrical signal from a scalp of a wearer, estimating a current walking speed of the wearer using the measured electrical signal, and outputting assistive torque which allows the estimated current walking speed to approximate a target walking speed.

Abstract: A semiconductor device includes an internal command generation circuit suitable for generating a first internal command, a second internal command, and a third internal command based on a command/address signal. The semiconductor device also includes a driving signal generation circuit suitable for enabling a fuse driving signal for reading fuse data from a nonvolatile memory circuit, where the fuse signal is enabled while the second internal command is inputted a predetermined number of times. Further included is an output circuit suitable for outputting the fuse data in response to the third internal command.

Abstract: A walking assistance device may include at least one walking assistance unit configured to assist a user in walking; and/or a controller configured to control, based on a walk pattern of the user, the at least one walking assistance unit to produce torque only in at least one assistance period needing walking assistance in a walk cycle. A method of controlling walking assistance may include: calculating a walking assistance time using a difference between a start time and a termination time of an assistance period needing the walking assistance in a walk pattern; and/or assisting a user in walking when the assistance period begins, by producing torque for the walking assistance time.

Abstract: A semiconductor device includes an internal command generation circuit suitable for generating a first internal command, a second internal command, and a third internal command based on a command/address signal. The semiconductor device also includes a driving signal generation circuit suitable for enabling a fuse driving signal for reading fuse data from a nonvolatile memory circuit, where the fuse signal is enabled while the second internal command is inputted a predetermined number of times. Further included is an output circuit suitable for outputting the fuse data in response to the third internal command.

Abstract: A semiconductor device includes a pattern data generation circuit generating pattern data, a data comparison circuit receiving read data which are outputted from cell arrays included in a core area by a read operation and comparing the read data with the pattern data to generate a fail code, and a fail flag generation circuit comparing the fail code with a set code to generate a fail flag.

Abstract: A walk-assistive apparatus may include at least one joint that corresponds to at least one joint of a wearer, at least one link that connects the joint, and is rotated in response to rotation of the joint, a spring that is mounted in the link or the joint so that a length of the spring is changed in accordance with rotation of the link or the joint, and a processor that controls the change in the length of the spring to compensate for a weight by gravity when the wearer walks. Accordingly, the walk-assistive apparatus and a method of controlling the walk-assistive apparatus may use a mechanical element such as a spring to reduce energy, and weight compensation having uniform performance may be performed even in an arbitrary posture.

Abstract: A semiconductor device may be provided. The semiconductor device may include a latch comparison circuit configured for generating a latched address by latching a pattern signal inputted through an address, and generate a comparison signal by comparing a pattern signal inputted through the address and the latched address. The semiconductor device may include a failure flag generation circuit configured for generating a failure flag signal based on the comparison signal.

Abstract: A semiconductor memory device includes a fuse array circuit including a row fuse region and a column fuse region, and suitable for outputting fuse information from row fuse sets and from column fuse sets and outputting programmed row and column addresses as row and column fail data, during a boot-up operation; a fuse array control circuit suitable for storing a fail address based on a fail cell information during a repair operation, searching unused fuse sets to from the row fuse region and the column fuse region based on the fuse information during the boot-up operation, and controlling the fail address to be programmed in the unused fuse sets during a rupture operation; and a row and column redundancy circuit suitable for performing a row or column redundancy operation in correspondence to the row and column fail data.

Abstract: A semiconductor memory device includes a fuse array circuit including a row fuse region and a column fuse region, and suitable for outputting fuse information from row fuse sets and from column fuse sets and outputting programmed row and column addresses as row and column fall data, during a boot-up operation; a fuse array control circuit suitable for storing a fail address based on a fail cell information during a repair operation, searching unused fuse sets from the row fuse region and the column fuse region based on the fuse information during the boot-up operation, and controlling the fail address to be programmed in the unused fuse sets during a rupture operation; and a row and column redundancy circuit suitable for performing a row or column redundancy operation in correspondence to the row and column fail data.

Abstract: Provided are a walk-assistive robot and a method of controlling the same. The method of controlling the walk-assistive robot includes: obtaining ground information that is information regarding ground a walking direction; determining control patterns of the walk-assistive robot by analyzing the obtained ground information; and controlling the walk-assistive robot based on the determined control patterns.

Abstract: Provided is a method of controlling a wearable robot, the method including: measuring a ground reaction force (GRF) exerted on a wearer's soles; calculating a time variation rate of the measured GRF; measuring the wearer's knee joint angle; and detecting a time point at which the calculated time variation rate of the GRF and the measured knee joint angle cross each other.

Abstract: A walking assistance method may include: computing an amount of exercise of a user based on a biosignal of the user; adjusting a pattern of an assist parameter based on the amount of exercise; and/or generating a force corresponding to the amount of exercise, based on the adjusted pattern. A walking assistance apparatus may include: a pattern adjuster configured to compute an amount of exercise of a user based on a biosignal of the user; and/or a driver configured to generate a force corresponding to the amount of exercise based on a pattern of an assist parameter based on the amount of exercise.

Abstract: A light detection and ranging (LIDAR) time of flight (TOF) sensor for inputting and outputting simultaneously and 3-dimensional laser scanning system including the same are disclosed. In one aspect, the sensor includes a substrate and a light receiving element array provided on the substrate and including a plurality of light receiving elements. The sensor also includes readout circuits configured to receive electrical signals from the light receiving elements and perform signal processing on the electrical signals. The sensor further includes metal lines disposed on the light receiving element array in parallel, provided to correspond to the number of the light receiving elements, and configured to connect the light receiving elements to the readout circuits in one-to-one correspondence.

Abstract: A control method may be applied to a surgical robot system including a slave robot having a robot arm to which a main surgical tool and an auxiliary surgical tool are coupled, and a master robot having a master manipulator to manipulate the robot arm. The control method includes acquiring data regarding a motion of the master manipulator, predicting a basic motion to be performed by an operator based on the acquired motion data and results of learning a plurality of motions constituting a surgical task, and adjusting the auxiliary surgical tool so as to correspond to the operator basic motion based on the predicted basic motion. The control method allows an operator to perform surgery more comfortably and to move or fix all required surgical tools to or at an optimized surgical position.

Abstract: A surgical robot including a slave device provided with a surgical instrument includes a body having at least one link that includes a plurality of solenoid segments, and an end effector mounted to one end of the body.

Abstract: A control method of a walking assist robot, may include: estimating a wearer's location on a map including walking environment information; determining a walking environment in a direction in which the wearer moves; and selecting a control mode for assisting the wearer's walking according to the walking environment.