Abstract: Disclosed is a device for analyzing dynamic characteristics of a carbon composite material based on a test temperature, an orientation of a carbon material, and an external loading pattern applied thereto. The device includes a sensitivity analyzer configured to calculate a frequency response function of the carbon composite material based on a physical force signal and a vibration signal; and calculate a sensitivity of the carbon composite material to each of variations in the test temperature, an orientation of a carbon material contained in the carbon composite material, and the external loading pattern applied thereto, based on the calculated frequency response function.

Abstract: An apparatus and a method for controlling a vehicle steering system, which are capable of improving a sense of unity between driver's driving input and vehicle motion and the stability of the vehicle by estimating a side slip angle and performing return control, may include an assist torque determination module for determining assist torque for steering assist, a return control module for determining steering return torque for returning the steering wheel to a neutral position, a side slip angle estimation module for estimating a side slip angle, a side slip control module for determining a return control gain value in a response to the estimated side slip angle, a correction unit of correcting the determined steering return torque in a response to the return control gain value, and a torque compensation unit of determining final assist torque by compensating the determined assist torque with the corrected steering return torque.

Abstract: A sensitivity analyzing device and method are disclosed. The device includes a vibration exciter to configure a vibration exciting pattern and apply a physical force to one face of a test object based on the pattern; a first sensor in contact with the one face of the test object to measure a physical force applied to the test object; a second sensor in contact with an opposite face of the test object to collect a vibration of the test object caused by the physical force; and a sensitivity analyzer configured to: control the vibration exciter to configure the vibration exciting pattern; convert the physical force signal measured by the first sensor and the vibration signal collected by the second sensor in responses to the vibration exciting pattern into frequency domain signals to calculate a frequency response function of the test object; and calculate a sensitivity index of the test object.

Abstract: Disclosed are an object damage inspection system and an object damage inspection method using the same. The system includes a vibration exciter for setting a vibration exciting pattern and applying a physical force to one face of the fixed test object based on the set vibration exciting pattern; a sensor contacting a portion of the test object, wherein the sensor collects a vibration signal generated from the test object when the physical force is applied thereto; and a damage determiner configured to determine whether the test object has physical damage, based on a test object measurement frequency signal and a reference object measurement frequency signal, wherein the test object measurement frequency signal includes a frequency domain signal into which the vibration signal collected by the sensor is converted.

Abstract: Disclosed are a sensitivity analyzing device using a frequency response and a sensitivity analyzing method using the same.

Abstract: A core laminator of an adhesive laminate core manufacturing apparatus includes a heating unit heating an adhesive interposed between laminar members to integrate the laminar members to form a laminate core, a pinch unit rotatably provided at a lower side of the heating unit which applies a lateral pressure to the laminate core, a squeeze unit including a cylinder rotatably provided at an upper side of the heating unit and a squeezer fixed in the cylinder to align the laminar members in a straight line, a guide provided in the heating unit for guiding a movement of the laminar members, and a driving unit for selectively rotating the pinch unit and the squeeze unit.

Abstract: A method for determining an assist torque of a power steering system in a vehicle: setting an initial slope indicating a correlation between a driver steering torque and a vehicle lateral acceleration, wherein the initial slope is a tangential slope at a lowest point of the vehicle lateral acceleration defined in a diagram; setting a maximum driver steering torque, which is a maximum value of a steering torque that a driver applies through a steering wheel of the vehicle; calculating an assist torque based on the driver steering torque in response to performance of a steering assist, from the set initial slope and maximum driver steering torque, and vehicle eigen value information based on a predetermined equation; generating a torque map in which an assist torque value is set based on the driver assist torque upon the performance of the steering assist using assist torque values obtained for each driver steering torque detected by a torque sensor; and determining, by an electronic control unit (ECU), the ass

Abstract: A delivery order relaying system is disclosed. The system comprises: an order receiving module for receiving a delivery order, to be processed, which is transmitted from an orderer terminal; a TTS module for generating, through TTS, a voice delivery order corresponding to the delivery order to be processed; a voice output module for connecting a phone call to a vendor corresponding to the delivery order to be processed, and outputting the voice delivery order through the connected phone call; a response receiving module for receiving, from the vendor through the phone call, an order response to the delivery order to be processed; and a delivery order response module for transmitting order processing result information, corresponding to the order response, to the orderer terminal having transmitted the delivery order to be processed.

Abstract: An apparatus and a method for controlling a vehicle steering system, which are capable of improving a sense of unity between driver's driving input and vehicle motion and the stability of the vehicle by estimating a side slip angle and performing return control, may include an assist torque determination module for determining assist torque for steering assist, a return control module for determining steering return torque for returning the steering wheel to a neutral position, a side slip angle estimation module for estimating a side slip angle, a side slip control module for determining a return control gain value in a response to the estimated side slip angle, a correction unit of correcting the determined steering return torque in a response to the return control gain value, and a torque compensation unit of determining final assist torque by compensating the determined assist torque with the corrected steering return torque.

Abstract: A system and a method for estimating a steering torque, may include receiving, in a controller, information including a value of a yaw rate and a value of a lateral acceleration of a vehicle collected in the vehicle in real time; determining and estimating, in the controller, a value of a rack force from the received information and a setting information using a predetermined model formula of estimating the rack force; and generating, in the controller, an estimated value of the steering torque according to an operation of a steering wheel of a driver from the estimated value of the rack force using a predetermined value of a gain.

Abstract: A motor torque control device of a vehicle steering system includes: an imaginary steering torque determination unit to estimate an imaginary steering torque which is input to a steering gear of a vehicle when a steering wheel of the vehicle is rotated at a maximum steering angle; a subtraction torque determination unit to calculate a difference between the imaginary steering torque and an actual steering torque; a compensation torque determination unit to determine a compensation torque for compensating the actual steering torque based on the difference and a vehicle speed of the vehicle; and a motor torque determination unit to determine an output torque of an electromotor based on the compensation torque and a motor assist torque of the electromotor.

Abstract: Disclosed is a core laminator of an adhesive laminate core manufacturing apparatus integrating laminar members to pass therethrough, thereby forming laminate cores.

Abstract: A method for determining an assist torque of a power steering system in a vehicle: setting an initial slope indicating a correlation between a driver steering torque and a vehicle lateral acceleration, wherein the initial slope is a tangential slope at a lowest point of the vehicle lateral acceleration defined in a diagram; setting a maximum driver steering torque, which is a maximum value of a steering torque that a driver applies through a steering wheel of the vehicle; calculating an assist torque based on the driver steering torque in response to performance of a steering assist, from the set initial slope and maximum driver steering torque, and vehicle eigen value information based on a predetermined equation; generating a torque map in which an assist torque value is set based on the driver assist torque upon the performance of the steering assist using assist torque values obtained for each driver steering torque detected by a torque sensor; and determining, by an electronic control unit (ECU), the ass

Abstract: A system and a method for estimating a steering torque, may include receiving, in a controller, information including a value of a yaw rate and a value of a lateral acceleration of a vehicle collected in the vehicle in real time; determining and estimating, in the controller, a value of a rack force from the received information and a setting information using a predetermined model formula of estimating the rack force; and generating, in the controller, an estimated value of the steering torque according to an operation of a steering wheel of a driver from the estimated value of the rack force using a predetermined value of a gain.

Abstract: A method for controlling electric power steering in which target steering torque is detected by estimating rack force in response to a turn of a steering wheel and compensation control of steering torque is performed by determining a compensation current value corresponding to the target steering torque, may include a first operation in which actual rack force, generated in response to the turn of the steering wheel, is detected; a second operation in which a position of the steering wheel is detected and on-center rack force is detected in a corresponding portion when a steering angle falls within a scope of a predetermined on-center section; and a third step in which improved on-center rack force is estimated by combining the actual rack force and the on-center rack force and the improved on-center rack force is used to detect the target steering torque.

Abstract: A delivery order relaying system is disclosed. The system comprises: an order receiving module for receiving a delivery order, to be processed, which is transmitted from an orderer terminal; a TTS module for generating, through TTS, a voice delivery order corresponding to the delivery order to be processed; a voice output module for connecting a phone call to a vendor corresponding to the delivery order to be processed, and outputting the voice delivery order through the connected phone call; a response receiving module for receiving, from the vendor through the phone call, an order response to the delivery order to be processed; and a delivery order response module for transmitting order processing result information, corresponding to the order response, to the orderer terminal having transmitted the delivery order to be processed.

Abstract: A separator for a lithium battery includes a porous coating layer disposed on a surface of a porous base, and a first adhesive layer including a plurality of dots disposed at intervals at a surface of the porous coating layer, the plurality of dots of the first adhesive layer penetrating through the porous coating layer to be on the surface of the porous base.

Abstract: A secondary battery includes an electrode assembly designed to prevent an internal short circuit. The electrode assembly includes an electrode group formed by stacking and winding a first electrode plate, a separator and a second electrode plate, and a tape is attached to upper and lower parts of an end of the electrode group. An end of the separator is exposed externally, and the tape is attached to upper and lower parts of the end of the separator. Furthermore, a secondary battery having the electrode assembly is provided.

Abstract: An electrode assembly includes a positive electrode including a positive electrode current collector and a positive electrode active material layer on the positive electrode current collector, a negative electrode including a negative electrode current collector and a negative electrode active material layer on the negative electrode current collector, and a separator between the positive and negative electrodes, the separator including a heat-resistive unit and a lubrication unit, the heat-resistive unit having a heat-resistive material, and the lubrication unit being at an inner front end of the spirally winding separator and having a friction coefficient that is lower than that of the heat-resistive unit.

Abstract: A method of making a tuning map for a vehicle device includes deriving performance parameters of the vehicle device in a new vehicle and setting a target tuning performance. A pre-tuning map is established by building an interpretation model of the new vehicle including an interpretation model and a control model of the vehicle device, and tuning parameters, which satisfy the target tuning performance, are set using the performance parameters through interpretation of the models. The pre-tuning map is applied to a control logic of the vehicle device for an actual vehicle which includes the vehicle device mounted therein, and the actual vehicle tuning is performed. Whether actual vehicle performance satisfy a preset target performance after tuning the actual vehicle is evaluated, and the tuning map is finalized when the target tuning performance is satisfied.