Patent classifications
G05B2219/43045
Motor control apparatus generating command limited by motor torque
A motor control apparatus includes a detection unit detecting a motor rotational frequency, a storage unit storing an allowable torque at the motor rotational frequency detected by detection unit, a first torque offset generated in a direction opposite to a moving direction of a movable body, a second torque offset generated in one direction regardless of the moving direction of the movable body, a rotor inertia moment, a load inertia moment, and a conversion factor for converting a motor rotation angle in rotary motion of the motor to a moving distance in linear motion of the movable body, and an acceleration calculation unit calculating an acceleration command of the motor for each moving direction of the movable body and each acceleration operation and deceleration operation using the allowable torque, the first torque offset, the second torque offset, the rotor inertia moment, the load inertia moment, and the conversion factor.
Control apparatus, control method for control apparatus, control program, and storage medium
A control apparatus and the like may include a time allocation setting unit that sets a time allocation for steps in the total driving time, and an operation value calculation unit that calculates minimum operation values for the times set by the time allocation setting unit, and the time allocation setting unit sets the time allocation of the steps in the total driving time such that the difference between the minimum operation values of the steps falls within a predetermined range.
CONTROL APPARATUS, CONTROL METHOD FOR CONTROL APPARATUS, CONTROL PROGRAM, AND STORAGE MEDIUM
A control apparatus and the like may include a time allocation setting unit that sets a time allocation for steps in the total driving time, and an operation value calculation unit that calculates minimum operation values for the times set by the time allocation setting unit, and the time allocation setting unit sets the time allocation of the steps in the total driving time such that the difference between the minimum operation values of the steps falls within a predetermined range.
LOCUS GENERATION APPARATUS, CONTROL METHOD FOR LOCUS GENERATION APPARATUS, CONTROL PROGRAM, AND STORAGE MEDIUM
An apparatus includes an input reception unit for receiving a designated driving time, and a locus unit that generates a torque locus with a maximum value at its minimum by adjusting a switching timing and a maximum value under the conditions that the torque locus is a rectangular wave, the absolute values of the maximum value and the minimum value of torque are equal, and switching between the maximum value and the minimum value of the torque occurs once.
Actuator control method and actuator control device
An actuator control method and an actuator control device that perform energy evaluation control that compares kinetic energy of a controlled object and work that can be done by braking and switches driving to braking at a point of time at which the kinetic energy of the controlled object and the work become equal, and also repeatedly makes a comparison between the kinetic energy of the controlled object and the work at each preset time, as a new control method that replaces PID control in mechanics for effectively utilizing vehicle energy to improve vehicle fuel consumption and control methods thereof, a control result is obtained by a simpler method.
Actuator control method and actuator control device
An actuator control method and an actuator control device that incorporate an element of feedback control in time optimal control, including: a calculation step of calculating a switching time at which an acceleration output is switched to a deceleration output and an end time of the deceleration output expressed by time elapsed from a calculation time at which calculation for control is performed using a maximum acceleration and a maximum deceleration, which are measured in advance, at the time of the maximum output of control force of an actuator; a control output step of setting the control force of the actuator to a maximum acceleration output from the calculation time to the switching time, setting the control force of the actuator to a maximum deceleration output from the switching time to the end time, and ending the output of the control force at the end time, and an update step of calculating and updating the switching time and the end time by repeating the calculation step at each preset time.