1-8. (canceled)
9. A method of applying defined clamping forces in a brake that is electrically operable by an actuator (4) and includes a first friction surface (friction lining) and a second friction surface (brake disc), the method comprising:
determining values of the clamping force (Fmeas) by a clamping force sensor (6);
determining values of an actuator position (\u03c6meas) by a position sensor (5), wherein a correlation exists between an actuator position (\u03c6meas) and the clamping force (Fmeas);
filtering a nominal value (Fnominal) and an actual value (Fmeas) of the clamping force each in one low-pass filter (9, 10) of nth order, whose limit frequency is determined from a correlation between an actual value (nactual) of the actuator speed and a filtered value (FnominalFilt) of the clamping force; and
transforming the filtered values (FnominalFilt), (FmeasFilt) of the clamping force by a predefined characteristic curve into a nominal value (\u03c6nominal) and an actual value ((\u03c6actual) of the actuator position.
10. A method according to claim 9, wherein the nominal value (\u03c6nominal) and the actual value ((\u03c6actual) of the actuator position are sent as input quantities to an invariably adjusted position controller, in which a nominal value (\u03c6nominal) of the actuator speed (n) is produced.
11. A method according to claim 9, wherein the limit frequency (flimit) of the low-pass filters (9, 10), based on a predetermined maximum value, reaches a predefined minimum value with a decreasing amount of the actuator rotational speed (n) from the actuator maximum rotational speed until the actuator rotational speed n=0.
12. A method according to claim 9, wherein the limit frequency (flimit) of the low-pass filters (9, 10) is changed in response to the change of the amount of the filtered nominal value (FnominalFilt) of the clamping force.
13. A method according to claim 9, wherein the limit frequency (flimit) of the low-pass filters (9, 10) is changed in response to the change of the amount of the unfiltered nominal value (FnominalFilt) of the clamping force.
14. A method according to claim 9, wherein an inverse function of a predetermined correlation between the actuator position (\u03c6meas) and the clamping force (Fmeas) is used as the predefined characteristic curve.
15. A control system for applying defined clamping forces in a brake that is electrically operable by an actuator (4) and includes a first friction surface (friction lining) and a second friction surface (brake disc), the control system comprising:
a clamping force sensor to determine the clamping force (Fmeas);
a position sensor to determine the actuator position (\u03c6meas), wherein a correlation exists between the actuator position (\u03c6meas) and the clamping force (Fmeas);
a first controller (1) having an output quantity that corresponds to an actuator speed nominal value (nnominal);
a second controller 2 (speed controller) that is connected downstream of the first controller and to which signals representative of the actuator speed nominal value (nnominal) and an actuator speed actual value (nactual) are sent as input quantities, the output quantity of the second controller corresponding to an actuator torque nominal value (Mnominal);
a third controller (3) (current controller) that is connected downstream of the second controller and to which signals representative of the actuator torque nominal value (Mnominal) and an actual value (Iactual) of the current to be supplied to the actuator are sent as input quantities, the output quantity of the third controller representing a correcting variable (U) for adjusting the actual value (Iactual) of the current to be supplied to the actuator; and
a plurality of low-pass filters (9, 10), wherein the nominal value (Fnominal) and the actual value (Fmeas) of the clamping force are sent to the low-pass filters, and the output quantities (FnominalFilt) and (FmeasFilt) are sent to each one linearization module (11, 12) in which the filtered clamping force values are transformed into a nominal value (\u03c6nominal) and an actual value ((\u03c6actual) of the actuator position by a predefined characteristic curve, the first controller (1) being configured as a position controller which is furnished with the actuator position values (\u03c6nominal, \u03c6actual) as input quantities.
16. A system according to claim 15, wherein a frequency calculation module (8) for calculating the limit frequency of the low-pass filters (9, 10) based on the actual value of the actuator speed (nactual) and the filtered nominal value (FnominalFilt) of the clamping force is provided.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An operating method of an electronic device, the method comprising:
detecting, by at least one first sensor a charge transfer;
when an amount of the charge transfer is greater than a preset value, detecting, by one of two or more second sensors disposed at a position adjacent to each of two or more microphones, an object in a preset distance from the electronic device; and
receiving a voice by a microphone disposed in a position adjacent to the one of the two or more second sensors detecting the object.
2. The operating method of claim 1, wherein the at least one first sensor operates while the electronic device is in a deep-sleep mode.
3. The operating method of claim 1, wherein the at least one first sensor is a grip sensor.
4. The operating method of claim 1, wherein each of the two or more second sensors is a proximity sensor.
5. The operating method of claim 1, further comprising:
when the at least one first sensor detects the amount of the charge transfer greater than the preset value, operating the two or more second sensors.
6. The operating method of claim 1, further comprising:
when the one of the two or more second sensors detects the object, operating the two or more microphones.
7. The operating method of claim 1, wherein the microphone disposed in the position adjacent to the one of the two or more second sensors detecting the object, primarily receives the voice.
8. The operating method of claim 1, wherein at least one microphone, other than the microphone disposed in the position adjacent to the one of the two or more second sensors detecting the object of the two or more microphones, primarily cancels noise.
9. The operating method of claim 1, further comprising:
analyzing the detected voice;
recognizing a command corresponding to the detected voice; and
performing an operation according to the recognized command.
10. The operating method of claim 9, further comprising:
when a voice reception condition is satisfied in the electronic device, automatically running an application for the voice recognition in a background of the electronic device; and
executing the command corresponding to the received voice.
11. The operating method of claim 1, further comprising:
determining whether at least one second sensor other than the one of the two or more second sensors disposed in the position adjacent to the microphone receiving the voice, detects an object in the preset distance from the electronic device.
12. The operating method of claim 11, further comprising:
when the at least one second sensor other than the one of two or more second sensors disposed in the position adjacent to the microphone receiving the voice detects the object, receiving the voice at the microphone disposed in the position adjacent to the one of the two or more second sensors detecting the object.
13. An electronic device comprising:
at least one first sensor configured to detect an amount of charge transfer greater than a preset value;
two or more second sensors disposed at positions adjacent to each of two or more microphones and configured to detect an object in a preset distance from the electronic device when the at least one first sensor detects the amount of the charge transfer greater than the preset value; and
two or more microphones, wherein a microphone of the two or more microphones disposed in a position adjacent to a second sensor of the two or more second sensors detecting the object, is configured to receive a voice.
14. The electronic device of claim 13, wherein the at least one first sensor is configured to operate while the electronic device is in a deep-sleep mode.
15. The electronic device of claim 13, wherein the at least one first sensor is a grip sensor.
16. The electronic device of claim 13, wherein each of the two or more second sensors is a proximity sensor.
17. The electronic device of claim 13, wherein the two or more second sensors are configured to operate when the at least one first sensor detects the amount of the charge transfer greater than the preset value.
18. The electronic device of claim 13, wherein the two or more microphones are configured to operate when the one of the two or more second sensors detects the object.
19. The electronic device of claim 13, wherein the microphone disposed in the position adjacent to the second sensor detecting the object, is configured to primarily receive the voice.
20. The electronic device of claim 13, wherein at least one microphone other than the microphone disposed in the position adjacent to the second sensor detecting the object of the two or more microphones, is configured to primarily cancel noise.
21. The electronic device of claim 13, further comprising:
a processor unit configured to:
analyze the detected voice,
recognize a command corresponding to the detected voice, and
perform an operation according to the recognized command.
22. The electronic device of claim 21, wherein the processor unit is configured to:
when a voice reception condition is satisfied in the electronic device, automatically run an application for the voice recognition in a background of the electronic device; and
execute the command corresponding to the received voice.
23. The electronic device of claim 13, wherein at least one second sensor, other than the second sensor disposed in the position adjacent to the microphone receiving the voice is configured to determine whether an object is detected in the preset distance from the electronic device.