CLOOS motor Germany CLOOS model CLOOS price

CLOOS motor is a device that places the rotor in a rotating magnetic field, where it obtains a rotational torque under the action of the rotating magnetic field, causing the rotor to rotate. The rotor is a rotatable conductor, usually in the shape of a squirrel cage. It was invented by electrical engineer Nikola Tesla in 1887. The rotor is a rotatable conductor, usually in the shape of a squirrel cage. The stator is the non-rotating part of the electric motor, and its main task is to generate a rotating magnetic field. The rotating magnetic field is not achieved by mechanical means. Instead, alternating current is passed through several pairs of electromagnets, causing their magnetic pole properties to change cyclically, thus equivalent to a rotating magnetic field. This type of motor does not have brushes or slip rings like DC motors. Depending on the type of AC power used, there are single-phase motors and three-phase motors. Single-phase motors are used in applications such as washing machines and electric fans; three-phase motors serve as power equipment in factories.

CLOOS motor structure

The motor structure is basically the same as that of a DC motor, with different armature structures and excitation methods. In practice, slotted core armature structures are often used, where conductors placed in the armature slots are subjected to lower electromagnetic forces, making it easier to meet the mechanical strength requirements of insulation materials during high-speed operation. Although excitation methods can be made in series and shunt configurations, the torque of shunt motors is much lower than that of series motors. Therefore, DC motors are usually made with series excitation and slotted armatures. The stator of an AC/DC universal motor is equipped with main magnetic poles embedding series excitation windings, and the rotor is similar to the slotted armature of a DC motor, with the magnetic circuit composed of laminated iron cores. Stator laminations facilitate manufacturing and reduce costs. The armature core generally adopts a skewed slot form. The air gap between the stator and rotor is larger and uneven compared to DC motors, with the maximum air gap at the sharpest point being 3 to 4 times the main air gap. Other components such as brush holders and end caps are similar to those of ordinary DC motors. AC/DC universal motors have different structural forms and are sometimes made in split assemblies, with structures similar to torque motors. For high-capacity, high-speed, or special requirement AC/DC universal motors, commutating poles are also required to improve commutation, suppress sparks, and reduce radio interference.

CLOOS motor performance

The motor is also known as a motor rotating at synchronous speed. The rotor is attracted and rotated by the surrounding rotating magnetic field generated by the applied AC power. It rotates synchronously with the speed difference between the rotating magnetic field generated by the AC power and the magnetic field generated by the armature current, making open-loop speed control possible. Without other measures, it cannot start rotating at startup. Induction motors in permanent magnet synchronous motors are more efficient. If the frequency of the electric power applied at startup is high, the stopped rotor will not be able to follow and cannot rotate on its own. Therefore, if the drive power source is not frequency-controlled, a separate starting motor can be provided, or other types of motors can be used. It has a built-in mechanism. Semiconductors offer high controllability via inverters, used together with control circuits.

CLOOS motor commissioning method

Motor commissioning: 1, initialize parameters. Before wiring, initialize the parameters first. On the control card: select the control mode; clear the PID parameters to zero; ensure the enable signal is disabled by default when the control card is powered on; save this state to ensure it is restored when the control card is powered on again. On the servo motor: set the control mode; set enable to be controlled externally; set the gear ratio for encoder signal output; set the proportional relationship between the control signal and motor speed. Generally, it is recommended that the maximum design speed during servo operation corresponds to a control voltage of 9V. 2, wiring. Power off the control card and connect the signal lines between the control card and the servo. The following wires must be connected: the analog output line of the control card, the enable signal line, and the encoder signal line output from the servo. After rechecking that the wiring is correct, power on the motor and the control card (as well as the PC). At this time, the motor should not move, and it should be easy to turn by hand. If this is not the case, check the enable signal settings and wiring. Rotate the motor by hand to check if the control card can correctly detect changes in motor position; otherwise, check the encoder signal wiring and settings. 3, test direction. For a closed-loop control system, if the feedback signal direction is incorrect, the consequences will surely be disastrous. Enable the servo via the control card. The servo should rotate at a low speed, which is the so-called "zero drift." Most control cards have commands or parameters to suppress zero drift. Use this command or parameter to see if the motor speed and direction can be controlled. If not, check the analog wiring and control mode parameter settings. Confirm that a positive number causes forward rotation and increased encoder counts, while a negative number causes reverse rotation and decreased encoder counts. If the motor is loaded with limited travel, do not use this method. Do not apply excessive voltage during testing; it is recommended to stay below 1V. If the directions are inconsistent, modify the parameters on the control card or motor to align them. 4, suppress zero drift. In closed-loop control, zero drift can affect control performance, so it is best to suppress it. Use the zero drift suppression parameters on the control card or servo, adjusting carefully to bring the motor speed close to zero. Since zero drift has some randomness, it is not necessary to require the motor speed to be absolutely zero. 5, establish closed-loop control. Release the servo enable signal again via the control card, and input a small proportional gain on the control card. How small is small depends on experience; if unsure, input the minimum value allowed by the control card. Enable the control card and servo. At this point, the motor should be able to roughly respond to motion commands. 6, adjust closed-loop parameters. Fine-tune the control parameters to ensure the motor moves according to the control card's commands. This is essential work, relying largely on experience, so only a brief overview is provided here.

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