CN101135596A - Measurement control method taking DC electric machine as force measuring device and realizing device thereof - Google Patents
Measurement control method taking DC electric machine as force measuring device and realizing device thereof Download PDFInfo
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- CN101135596A CN101135596A CNA200710133369XA CN200710133369A CN101135596A CN 101135596 A CN101135596 A CN 101135596A CN A200710133369X A CNA200710133369X A CN A200710133369XA CN 200710133369 A CN200710133369 A CN 200710133369A CN 101135596 A CN101135596 A CN 101135596A
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Abstract
The method comprises: setting the working state of DC motor under the exogenic action; the DC motor runs at said workings state; detecting the analog signal of the voltage v, current i and rotate speed n to be detected, and converting said analog signal into digital signals; according to the testing signal, calculating the value of exogenic action suffered by the DC motor; detecting the acting force suffered by the DC motor to decide if it is in a preset range, and adjusting the working state of the DC motor. The invention also reveals a DC motor thereof used for measuring the acting force suffered by the DC motor and adjusting the working state of the motor.
Description
Technical field
The present invention relates to measurement control method and the implement device thereof of a kind of direct current generator as device for measuring force, relate in particular to control method and implement device thereof that a kind of applied external force that direct current generator is subjected to is measured in real time, be applied to manufacture and design the equipment that contains DC machine control device.
Background technology
Direct current generator is widely used in the various activities in production such as industry, agricultural, transportation.The measuring and controlling of direct current generator can be implemented control to various electromechanical equipments etc. with direct current generator and the device that is connected, to realize intended function.To control the device that contains direct current generator, at first will know their speed, stroke, position.Existing technology normally adopts sensors such as Hall element, photoelectric sensor, tech-generator, travel switch to be achieved.Method of the prior art is used for controlling the device that contains direct current generator, and its weak point is to make controller and apparatus structure complexity, cost height.At present, also have a kind of measurement control method that contains DC electric machine in the prior art, it is by the measurement armature supply, implements control with this, and the weak point of this method is, because the dispersiveness of the parameter of electric machine, the threshold values of judgement is difficult for determining; When electric current is interfered, easily erroneous judgement; Angle of rotor be can not measure, the number of turns, rotating speed rotated.The present measurement direct current generator applied external force of passing through realizes that the system that controls must in use import the required power supply of force cell by lead, with the signal output that sensor produces, so traditional sensor just can't use in rotatablely moving continuously; Direct current generator all uses as power part now in addition, has ignored the effect of the signal that direct current generator sends.
Summary of the invention
Goal of the invention: in order to overcome the defective of above-mentioned DC MOTOR CONTROL, the invention provides measurement control method and the implement device thereof of a kind of direct current generator as device for measuring force, this device can be measured the suffered acting force of motor in real time and control the duty of motor.
In order to reach described purpose, the invention provides the measurement control method of a kind of direct current generator as device for measuring force, it comprises the following steps: 1, sets the duty of direct current generator; 2, direct current generator turns round under the duty of setting; The simulating signal output of voltage v, current i and the rotation speed n that 3, direct current generator is turned round under external force; The simulating signal of voltage v, current i and the rotation speed n that 4, direct current generator is turned round under external force is converted into digital signal; 5, calculate the numerical value of the applied external force that direct current generator is subjected to according to the digital signal of survey voltage v, current i and rotation speed n; 6, whether the acting force that detects on the described direct current generator is being set within the acting force scope, if testing result is for being then to return step 2; 7, if the result who detects in the step 6 for not, then resets the duty of direct current generator, and returns step 2.
The described step 5 of this measurement control method is the sizes that calculate applied external force suffered on the direct current generator according to following formula (4).
Derivation is as follows:
W＝U·I＝F·S；(1)
Wherein W is the power of direct current generator, and U is the voltage of direct current generator, and I is the electric current of direct current generator, and F is the suffered acting force of direct current generator, and S is the rotary distance of direct current generator.
S＝2πR·m；(2)
Wherein R is the arm of force of direct current generator, and m is the rotating cycle of direct current generator;
According to n=2 π Rm/t, substitution (2) gets S=nt (3)
(3) formula substitution (1) is got
F＝UI/nt＝k·I；(4)
Wherein time parameter t can be provided by digital circuit integrated chip clock, and k=U/nt is coefficient.
The described acting force scope of the described step 6 of this measurement control method can be determined the acting force scope that the direct current generator operate as normal is suffered according to this signal by judging that signal input module is input to the digital circuit integrated chip when setting the duty of direct current generator.
The duty of the direct current generator described in the step 1 or 7 is the suffered acting force scope of rotor DC machine corner, rotation time, rotating speed or direct current generator.
Another scheme of the present invention provides the measurement control implement device of a kind of direct current generator as device for measuring force, and this device comprises direct current generator, scrambler and metering circuit, and direct current generator is connected with metering circuit, and scrambler is installed on the direct current generator; Described device also comprises arithmetic control circuit and judges signal input module that wherein arithmetic control circuit is connected with direct current generator, metering circuit respectively, judges that signal input module is connected with arithmetic control circuit; Scrambler, judgement signal input module directly transmit signals to arithmetic control circuit, and direct current generator transfers signals to arithmetic control circuit by metering circuit.
Described arithmetic control circuit can be made up of computing circuit and control circuit two parts respectively, and in order to simplify circuit, the present invention is integrated into a part with computing circuit and control circuit.
The decision threshold of described judgement signal input module input can directly be embedded in the arithmetic control circuit, and in order to realize judging the diversity and the controllability of signal, the present invention arrives the digital circuit integrated chip by judging signal input module with signal.
In order to make the simple more intelligence of circuit, described arithmetic control circuit can adopt general digital circuit integrated chip MEGA88 to substitute.
Beneficial effect: the present invention can calculate applied external force suffered on the direct current generator by voltage, current signal and the tach signal that direct current generator spreads out of, and need not special force cell; According to the size of this applied external force, can judge the duty of direct current generator; Adopt the digital circuit integrated chip and judge that signaling module can make direct current generator regulate rotating speed in real time according to human needs, turn to and duty such as rotation time, or set according to duty and to regulate automatically; Simultaneously can also carry out self-protection, prevent that direct current generator is in abnormal operating state, the personnel of motor are used in injury.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a workflow diagram of the present invention.
Fig. 3 is an electronic circuitry of the present invention.
Embodiment
Describe the preferred embodiments of the present invention in detail below in conjunction with accompanying drawing.
Embodiment 1:
Referring to Fig. 1 and Fig. 2, describe measurement control method of the present invention in detail, in step 101, set direct current generator 1 duty under external force according to the output valve of judging signal input module 5 by digital circuit integrated chip 4; Step 102, direct current generator 1 rotates with certain speed under the duty of setting; Step 103, directly the voltage v that direct current generator 1 is turned round under external force, current i simulating signal are exported, and by scrambler 2 direct current generator 1 tach signal n are directly sent to digital circuit integrated chip 4; Step 104, by metering circuit 3, the voltage v that direct current generator 1 is turned round under external force, the simulating signal of current i are converted into and meet the signal that the digital circuit integrated chip requires; Step 105, arithmetic control circuit 4 be according to described formula F=UI/nt, and the collection of the digital signal by voltage v, current i and rotation speed n calculates the numerical value of the applied external force that direct current generator 1 is subjected to; Step 106, described arithmetic control circuit 4 detect acting force on the described direct current generator 1 whether within setting range, if testing result for being, is then returned step 102, motor turns round under the duty of initial setting; If the result who detects in the step 106 then resets the duty of direct current generator 1, and returns step 102 for not, motor turns round under new duty; Reset duty, comprise the parameters such as the rotation number of turns, angle of rotor, rotation time and rotating speed of direct current generator.
Referring to Fig. 3, describe measurement control implement device of the present invention in detail.This device comprises direct current generator 1, scrambler 2, metering circuit 3, digital circuit integrated chip 4, clock circuit 6 and judges signal input unit 5, wherein adopts integrated chip MEGA88 Alternative digital circuit integrated chip 4.One utmost point of direct current generator 1 is connected with ground wire by resistance R 19, R21, A point extraction voltage positive signal and be sent to the pin PC2 of integrated chip MEGA88 between R19 and the R21; Direct current generator 1 another utmost point links to each other with the pin PCO of integrated chip MEGA88 by metering circuit 3.Scrambler 2 is installed on the direct current generator 1, the tach signal of induction direct current generator 1, and link to each other with pin PC2, PC3 and the PC4 of integrated chip MEGA88 respectively, wherein the pin 2 of scrambler 2 also links to each other with VCC by resistance R 4.Clock circuit 6 links to each other with pin PB6, the PB7 of integrated chip MEGA88 respectively.Judge that signal input unit 5 links to each other with pin PDO, the PD1 of integrated chip MEGA88 respectively.
Wherein clock circuit 6 is according to integrated chip MEGA88 pulse signal designated firing duration.As shown in Figure 3, capacitor C 7 is connected between the pin PB6 and ground wire of integrated chip MEGA88; Capacitor C 8 is connected between the pin PB7 and ground wire of integrated chip MEGA88; Crystal oscillator X1 is connected between the pin PB6 and pin PB7 of integrated chip MEGA88.
According to A point, B point voltage v, C point current i, motor speed n and digit chip clock time t, can measure the numerical value of direct current generator applied external force.With this acting force numerical value and the numeric ratio of judging 5 inputs of signal input unit, adjust the duty of motor according to comparative result.
Embodiment 2:
In conjunction with the object of the invention and principle of work, can further be applied on the medical rehabilitation electric bicycle.Direct current generator is connected with pedal by the electric bicycle pivot arm, and the employing hinges is connected between electric bicycle pivot arm and the pedal, and direct current generator is controlled by implement device of the present invention.The mode of operation of user by judging that the signal input unit is selected can be controlled the speed rotation of driven by motor pedal with per minute ten circles.The digital circuit integrated chip is measured motor imposes on direct current generator when the user tramples acting force in real time simultaneously: setting the variation that takes place in the power value scope when detected acting force, this device can slow down or increase motor speed according to user's firmly situation, to improve rehabilitation efficacy; When spasm or undesirable condition such as stiff appearred in user's shank, when promptly the acting force of Jian Ceing had exceeded setting range, this device can control that direct current generator stops operating, backward rotation or the velocity of rotation that slows down, to reach protection user health purpose of safety.
Claims (7)
1. a direct current generator is characterized in that as the measurement control method of device for measuring force it comprises the following steps:
(1) duty of setting direct current generator;
(2) direct current generator turns round under the duty of setting;
The simulating signal output of voltage v, current i and the rotation speed n that (3) direct current generator is turned round under external force;
The simulating signal of voltage v, current i and the rotation speed n that (4) direct current generator is turned round under external force is converted into digital signal;
(5) calculate the numerical value of the applied external force that direct current generator is subjected to according to the digital signal of survey voltage v, current i and rotation speed n;
(6) whether the acting force that detects on the described direct current generator is being set within the acting force scope, if testing result is for being then to return step (2);
(7) if the result who detects in the step (6) for not, then resets the duty of direct current generator, and returns step (2).
2. direct current generator according to claim 1 is characterized in that as the measurement control method of device for measuring force: the Numerical Calculation Method of the applied external force that the direct current generator described in the step (5) is subjected to be multiply by a coefficient k by surveying current i.
3. direct current generator according to claim 1 is characterized in that as the measurement control method of device for measuring force: the duty of the direct current generator described in step (1) or (7) is the suffered acting force scope of rotor DC machine corner, rotation time, rotating speed or direct current generator.
4. a direct current generator is controlled implement device as the measurement of device for measuring force, comprise direct current generator (1), scrambler (2) and metering circuit (3), direct current generator (1) is connected with metering circuit (3), scrambler (2) is installed on the direct current generator (1), it is characterized in that: it also comprises arithmetic control circuit (4) and judges signal input module (5), wherein arithmetic control circuit (4) is connected with direct current generator (1), metering circuit (2) respectively, judges that signal input module (5) is connected with arithmetic control circuit (4); Scrambler (2), judgement signal input module (5) directly transmit signals to arithmetic control circuit (4), and direct current generator (1) transfers signals to arithmetic control circuit (4) by metering circuit (3).
5. direct current generator according to claim 4 is as the measurement control implement device of device for measuring force, and it is characterized in that: wherein arithmetic control circuit (4) is made up of computing circuit and control circuit two parts.
6. direct current generator according to claim 4 is as the measurement control implement device of device for measuring force, and it is characterized in that: the decision threshold of wherein judging signal input module (5) input can be embedded in the arithmetic control circuit (4).
7. control implement device according to claim 4 or 6 described direct current generators as the measurement of device for measuring force, it is characterized in that: described arithmetic control circuit (4) is substituted by digital circuit integrated chip MEGA88.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB200710133369XA CN100523749C (en) | 2007-09-29 | 2007-09-29 | Measurement control method taking DC electric machine as force measuring device and realizing device thereof |
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| CNB200710133369XA CN100523749C (en) | 2007-09-29 | 2007-09-29 | Measurement control method taking DC electric machine as force measuring device and realizing device thereof |
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| CN101135596A true CN101135596A (en) | 2008-03-05 |
| CN100523749C CN100523749C (en) | 2009-08-05 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268981B (en) * | 2008-05-14 | 2011-06-15 | 南京康龙威科技实业有限公司 | Gait training system |
| CN102116833B (en) * | 2009-12-30 | 2013-01-09 | 海信（山东）空调有限公司 | Simulation test tool for direct current motor and method thereof |
| CN104129319A (en) * | 2014-07-09 | 2014-11-05 | 浙江绿源电动车有限公司 | Regulation method and device for motor speed of electric vehicle |
| CN104407548A (en) * | 2014-11-27 | 2015-03-11 | 上海任重仪表电器有限公司 | Zero speed measuring control device for rotation machinery |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US811668A (en) * | 1905-07-07 | 1906-02-06 | Henry Cooper Seddon | Fuse for projectiles. |
| US5521482A (en) * | 1993-06-29 | 1996-05-28 | Liberty Technologies, Inc. | Method and apparatus for determining mechanical performance of polyphase electrical motor systems |
| CN2387660Y (en) * | 1998-09-29 | 2000-07-12 | 电子工业部第二十一研究所 | Motor of electric bicycle |
| CN2374854Y (en) * | 1999-03-22 | 2000-04-19 | 中国轻骑集团有限公司 | Pedal moment testing device for electric cycle |
-
2007
- 2007-09-29 CN CNB200710133369XA patent/CN100523749C/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101268981B (en) * | 2008-05-14 | 2011-06-15 | 南京康龙威科技实业有限公司 | Gait training system |
| CN102116833B (en) * | 2009-12-30 | 2013-01-09 | 海信（山东）空调有限公司 | Simulation test tool for direct current motor and method thereof |
| CN104129319A (en) * | 2014-07-09 | 2014-11-05 | 浙江绿源电动车有限公司 | Regulation method and device for motor speed of electric vehicle |
| CN104129319B (en) * | 2014-07-09 | 2016-07-06 | 浙江绿源电动车有限公司 | The control method of the motor speed of electric motor car and device |
| CN104407548A (en) * | 2014-11-27 | 2015-03-11 | 上海任重仪表电器有限公司 | Zero speed measuring control device for rotation machinery |
| CN104407548B (en) * | 2014-11-27 | 2019-01-25 | 上海任重仪表电器有限公司 | Zero velocity measuring and controlling for rotating machinery |
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| CN100523749C (en) | 2009-08-05 |
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Effective date of registration: 20160612 Address after: 210048, No. 19, Prospect Road, Zhongshan Science Park, Nanjing, Jiangsu Patentee after: Nanjing Condition Electronic Appliance Co., Ltd. Address before: Youfang bridge Nanjing Yuhua District in Jiangsu Province Jia Village No. 159 210000 Patentee before: Nanjing Kanglongwei Science Technology Industy Co., Ltd. |