Abstract: A torque compensation apparatus for a Motor Driven Power Steering (“MDPS”) system including: a column torque sensor configured to detect column torque applied to a steering shaft; a steering angle sensor configured to detect a steering angle of a steering wheel; and a controller configured to calculate a compensation ratio by sudden steering, based at least one of the column torque detected by the column torque sensor and a steering angular velocity calculated from the steering angle detected by the steering angle sensor. The basic assist torque outputted from the MDPS system is then compensated for according to the compensation ratio.

Abstract: An apparatus for compensating for a stick-slip of a Motor Driven Power Steering (MDPS) system may include: a column torque detection unit to detect column torque applied to a steering shaft as a driver operates a steering wheel; a vehicle speed sensor to detect vehicle speed; a steering angular velocity detection unit to detect a steering angular velocity of a steering wheel; a condition determination unit to determine whether at least one of the column torque, the vehicle speed and the steering angular velocity satisfies a preset compensation condition; a stick-slip compensation controller to output a compensation current for compensating the stick-slip using at least one of the steering angular velocity, the column torque and the vehicle speed; and a compensation unit to compensate for an output of an MDPS controller by applying the compensation current to the output of the MDPS controller.

Abstract: A torque compensation apparatus for a Motor Driven Power Steering (“MDPS”) system including: a column torque sensor configured to detect column torque applied to a steering shaft; a steering angle sensor configured to detect a steering angle of a steering wheel; and a controller configured to calculate a compensation ratio by sudden steering, based at least one of the column torque detected by the column torque sensor and a steering angular velocity calculated from the steering angle detected by the steering angle sensor. The basic assist torque outputted from the MDPS system is then compensated for according to the compensation ratio.

Abstract: A steering return control apparatus of MDPS may include: a column torque sensor configured to sense a column torque of a steering wheel; a steering angle sensor configured to measure a steering angle of the steering wheel; a column velocity calculator configured to calculate a column velocity at which a steering column is rotated; a vehicle velocity sensor configured to sense a vehicle velocity; a lateral acceleration sensor configured to sense a lateral acceleration of the vehicle; and a damping controller configured to detect a damping compensation gain in an on-center region according to at least one of the column torque, the column velocity and the lateral acceleration, and applies the damping compensation gain to a default damping amount, when the steering angle falls within the on-center region while at least one of the column torque, the column velocity and the vehicle velocity satisfies a preset damping compensation condition.

Abstract: Enclosed are an apparatus and a method for controlling steering return of a motor driven power steering system. More particularly, various embodiments of the present disclosure relate to an apparatus and method for controlling steering return of a motor driven power steering system, which enables an overshoot-free center stop to be made as well as enables a quick return to be made, when returning after steering by a large steering angle in the motor driven power steering system.

Abstract: A steering return control apparatus of MDPS may include: a column torque sensor configured to sense a column torque of a steering wheel; a steering angle sensor configured to measure a steering angle of the steering wheel; a column velocity calculator configured to calculate a column velocity at which a steering column is rotated; a vehicle velocity sensor configured to sense a vehicle velocity; a lateral acceleration sensor configured to sense a lateral acceleration of the vehicle; and a damping controller configured to detect a damping compensation gain in an on-center region according to at least one of the column torque, the column velocity and the lateral acceleration, and applies the damping compensation gain to a default damping amount, when the steering angle falls within the on-center region while at least one of the column torque, the column velocity and the vehicle velocity satisfies a preset damping compensation condition.

Abstract: Enclosed are an apparatus and a method for controlling steering return of a motor driven power steering system. More particularly, various embodiments of the present disclosure relate to an apparatus and method for controlling steering return of a motor driven power steering system, which enables an overshoot-free center stop to be made as well as enables a quick return to be made, when returning after steering by a large steering angle in the motor driven power steering system.

Abstract: A cyclone dust collector having a single or multiple dust collection bodies installed within a housing, wherein the dust collection body is composed of an upper primary cylindrical dust collection part and a lower secondary conical duct collection part, and a single or multiple slits are cut in the wall surfaces of the primary and secondary dust collection parts in such a manner that large dust particles with large inertial force are removed between the dust collection housing and the dust collection body via the slit(s), while small dust particles with small inertial force make a swirling flow motion within the dust collection body and are removed by the centrifugal force.

Abstract: A cyclone dust collector having a single or multiple dust collection bodies installed within a housing, wherein the dust collection body is composed of an upper primary cylindrical dust collection part and a lower secondary conical duct collection part, and a single or multiple slits are cut in the wall surfaces of the primary and secondary dust collection parts in such a manner that large dust particles with large inertial force are removed between the dust collection housing and the dust collection body via the slit(s), while small dust particles with small inertial force make a swirling flow motion within the dust collection body and are removed by the centrifugal force.

Abstract: There is provided a modularized hybrid dust collector for treating dust generated in various industrial processes. The box-shaped hybrid dust collector includes a first box-shaped dust collecting unit or a first cylindrical dust collecting unit, to which the inertial impaction and the principle of collecting dust using the centrifugal force are applied, and a second box-shaped dust collecting unit implemented by a dust collecting filter such that a problem of employing a cleaner and a limit of capacity, of a conventional cylindrical dust collector, can be overcome, and a high capacity modularized hybrid dust collector in which the box-shaped hybrid dust collector as a basic module and a plurality of dust collector modules are combined.

Abstract: There is provided a modularized hybrid dust collector for treating dust generated in various industrial processes. The box-shaped hybrid dust collector includes a first box-shaped dust collecting unit or a first cylindrical dust collecting unit, to which the inertial impaction and the principle of collecting dust using the centrifugal force are applied, and a second box-shaped dust collecting unit implemented by a dust collecting filter such that a problem of employing a cleaner and a limit of capacity, of a conventional cylindrical dust collector, can be overcome, and a high capacity modularized hybrid dust collector in which the box-shaped hybrid dust collector as a basic module and a plurality of dust collector modules are combined.