FR2454103A1 - Perfectionnements aux accelerometres pendulaires asservis - Google Patents
Perfectionnements aux accelerometres pendulaires asservisInfo
- Publication number
- FR2454103A1 FR2454103A1 FR7909213A FR7909213A FR2454103A1 FR 2454103 A1 FR2454103 A1 FR 2454103A1 FR 7909213 A FR7909213 A FR 7909213A FR 7909213 A FR7909213 A FR 7909213A FR 2454103 A1 FR2454103 A1 FR 2454103A1
- Authority
- FR
- France
- Prior art keywords
- pendulum
- stator
- cavity
- accelerometer
- deliming
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P15/13—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position
- G01P15/131—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values by measuring the force required to restore a proofmass subjected to inertial forces to a null position with electrostatic counterbalancing means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
- G01P15/02—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses
- G01P15/08—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values
- G01P2015/0805—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration
- G01P2015/0822—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass
- G01P2015/0825—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass
- G01P2015/0828—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration by making use of inertia forces using solid seismic masses with conversion into electric or magnetic values being provided with a particular type of spring-mass-system for defining the displacement of a seismic mass due to an external acceleration for defining out-of-plane movement of the mass for one single degree of freedom of movement of the mass the mass being of the paddle type being suspended at one of its longitudinal ends
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Pressure Sensors (AREA)
Abstract
ACCELEROMETRE PENDULAIRE ASSERVIE COMPRENANT UN STATOR DELIMITANT UNE CAVITE PRESENTANT DEUX FACES OPPOSEES CONSTITUANT DEUX ELECTRODES 20A ET 21A ET UN PENDULE FORME PAR UN DISQUE RELIE AU STATOR PAR UNE CHARNIERE. UN CIRCUIT D'ASSERVISSEMENT APPLIQUE, AUX DEUX CONDENSATEURS CONSTITUES CHACUN PAR UNE FACE DE LA CAVITE ET LA FACE CONDUCTRICE EN REGARD DU PENDULE 11, DES TENSIONS CONTINUES DE CREATION DE FORCES ELECTROSTATIQUES D'EQUILIBRAGE DES EFFORTS DUS A L'ACCELEROMETRE. APPLICATIONS COURANTES.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7909213A FR2454103A1 (fr) | 1979-04-11 | 1979-04-11 | Perfectionnements aux accelerometres pendulaires asservis |
US06/138,731 US4345474A (en) | 1979-04-11 | 1980-04-09 | Electrostatic accelerometer |
IT21302/80A IT1140852B (it) | 1979-04-11 | 1980-04-10 | Perfezionamento agli accelerometri pendolari asserviti |
GB8011897A GB2047902B (en) | 1979-04-11 | 1980-04-10 | Electrostatic accelerometer |
DE3014038A DE3014038C2 (de) | 1979-04-11 | 1980-04-11 | Pendelbeschleunigungsmesser |
CA349,629A CA1131930A (fr) | 1979-04-11 | 1980-04-11 | Accelerometre electrostatique |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7909213A FR2454103A1 (fr) | 1979-04-11 | 1979-04-11 | Perfectionnements aux accelerometres pendulaires asservis |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2454103A1 true FR2454103A1 (fr) | 1980-11-07 |
FR2454103B1 FR2454103B1 (fr) | 1982-06-18 |
Family
ID=9224227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7909213A Granted FR2454103A1 (fr) | 1979-04-11 | 1979-04-11 | Perfectionnements aux accelerometres pendulaires asservis |
Country Status (6)
Country | Link |
---|---|
US (1) | US4345474A (fr) |
CA (1) | CA1131930A (fr) |
DE (1) | DE3014038C2 (fr) |
FR (1) | FR2454103A1 (fr) |
GB (1) | GB2047902B (fr) |
IT (1) | IT1140852B (fr) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496894A1 (fr) * | 1980-12-18 | 1982-06-25 | Singer Co | Circuit de commande d'un accelerometre electrostatique |
FR2585474A1 (fr) * | 1985-07-25 | 1987-01-30 | Litton Systems Inc | Accelerometre integre a compensation de forces |
FR2592491A1 (fr) * | 1985-12-31 | 1987-07-03 | Onera (Off Nat Aerospatiale) | Accelerometre triaxial electrostatique avec double liaison electrique a la masse d'epreuve |
EP0385917A1 (fr) * | 1989-02-28 | 1990-09-05 | United Technologies Corporation | Accéléromètre à rééquilibrage par impulsions |
FR2724463A1 (fr) * | 1994-09-12 | 1996-03-15 | Sagem | Procede de mesure d'une acceleration par un capteur a armature mobile et capteur d'acceleration pour mettre en oeuvre le procede |
Families Citing this family (42)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH642461A5 (fr) * | 1981-07-02 | 1984-04-13 | Centre Electron Horloger | Accelerometre. |
US4522553A (en) * | 1982-09-13 | 1985-06-11 | Deere & Company | Combine power boost system |
US4538069A (en) * | 1983-10-28 | 1985-08-27 | Control Data Corporation | Capacitance height gage applied in reticle position detection system for electron beam lithography apparatus |
US4634965A (en) * | 1984-12-31 | 1987-01-06 | Sundstrand Data Control, Inc. | Charge balancing detection circuit |
FR2580389B2 (fr) * | 1985-04-16 | 1989-03-03 | Sfena | Accelerometre micro-usine a rappel electrostatique |
US4744249A (en) * | 1985-07-25 | 1988-05-17 | Litton Systems, Inc. | Vibrating accelerometer-multisensor |
US4736629A (en) * | 1985-12-20 | 1988-04-12 | Silicon Designs, Inc. | Micro-miniature accelerometer |
FR2617607B1 (fr) * | 1987-06-30 | 1989-12-01 | Applic Gles Electrici Meca | Accelerometre pendulaire a reequilibrage et procede de fabrication d'un tel accelerometre |
US4987780A (en) * | 1987-11-16 | 1991-01-29 | Litton Systems, Inc. | Integrated accelerometer assembly |
GB8805266D0 (en) * | 1988-03-04 | 1988-04-07 | Marconi Co Ltd | Angular displacement sensor |
JPH0672899B2 (ja) * | 1988-04-01 | 1994-09-14 | 株式会社日立製作所 | 加速度センサ |
DE3831593A1 (de) * | 1988-09-15 | 1990-03-22 | Siemens Ag | Schaltungsanordnung mit einer einer mechanischen verstimmung ausgesetzten differentialkondensator-anordnung |
US4945773A (en) * | 1989-03-06 | 1990-08-07 | Ford Motor Company | Force transducer etched from silicon |
US5045152A (en) * | 1989-03-06 | 1991-09-03 | Ford Motor Company | Force transducer etched from silicon |
CA1322107C (fr) * | 1989-06-07 | 1993-09-14 | Henry C. Abbink | Accelerometre integre |
EP0459723B1 (fr) * | 1990-05-30 | 1996-01-17 | Hitachi, Ltd. | Capteur d'accélération à semi-conducteur et système de commande de véhicule utilisant celui-ci |
US5142921A (en) * | 1990-10-29 | 1992-09-01 | Litton Systems, Inc. | Force balance instrument with electrostatic charge control |
US5177331A (en) * | 1991-07-05 | 1993-01-05 | Delco Electronics Corporation | Impact detector |
EP0539889A3 (en) * | 1991-10-30 | 1993-07-28 | Steinbichler, Hans, Dr. | Micromechanical actuator |
JP2765316B2 (ja) * | 1991-11-21 | 1998-06-11 | 日本電気株式会社 | 容量型三軸加速度センサ |
DE9205416U1 (de) * | 1992-04-21 | 1993-05-19 | Kampfrath, Gerit, Dr. | Dynamischer Beschleunigungssensor |
FR2700614B1 (fr) * | 1993-01-19 | 1995-04-14 | Sextant Avionique | Accéléromètre capacitif à circuit de correction de l'effet perturbateur de capacités parasites. |
US5399980A (en) * | 1993-11-12 | 1995-03-21 | Alliedsignal Inc. | Capacitive measuring circuit |
US5703292A (en) * | 1994-03-28 | 1997-12-30 | The Charles Stark Draper Laboratory, Inc. | Sensor having an off-frequency drive scheme and a sense bias generator utilizing tuned circuits |
US5481914A (en) * | 1994-03-28 | 1996-01-09 | The Charles Stark Draper Laboratory, Inc. | Electronics for coriolis force and other sensors |
US5488865A (en) * | 1994-08-15 | 1996-02-06 | Alliedsignal Inc. | Wide-band servo accelerometer with flat leaf flexure suspension |
JP3216455B2 (ja) * | 1994-12-22 | 2001-10-09 | 株式会社村田製作所 | 容量型静電サーボ加速度センサ |
CA2365886A1 (fr) * | 1999-03-17 | 2000-09-21 | Input/Output, Inc. | Etalonnage de sondes |
US6386032B1 (en) | 1999-08-26 | 2002-05-14 | Analog Devices Imi, Inc. | Micro-machined accelerometer with improved transfer characteristics |
US6868726B2 (en) * | 2000-01-20 | 2005-03-22 | Analog Devices Imi, Inc. | Position sensing with improved linearity |
US7114366B1 (en) | 2000-03-16 | 2006-10-03 | Input / Output Inc. | Sensor |
KR100382766B1 (ko) * | 2001-07-02 | 2003-05-09 | 삼성전자주식회사 | 커패시턴스 변화량 측정 장치 및 방법 |
KR20050107470A (ko) * | 2003-02-28 | 2005-11-11 | 배 시스템즈 피엘시 | 가속도계 |
US6904805B2 (en) * | 2003-06-03 | 2005-06-14 | Cherry Corporation | Accelerometer |
US6922063B2 (en) * | 2003-07-11 | 2005-07-26 | Zircon Corporation | Apparatus and method for capacitive level sensor |
US7334474B2 (en) * | 2005-01-07 | 2008-02-26 | Litton Systems, Inc. | Force balanced instrument system and method for mitigating errors |
US7552637B2 (en) * | 2006-09-19 | 2009-06-30 | Honeywell International Inc. | Torque driving circuit |
US20120090393A1 (en) * | 2010-06-18 | 2012-04-19 | Baolab Microsystems Sl | Unstable electrostatic spring accelerometer |
US9291638B2 (en) * | 2012-01-20 | 2016-03-22 | Mcube, Inc. | Substrate curvature compensation methods and apparatus |
FR3002324B1 (fr) * | 2013-02-19 | 2016-01-22 | Sagem Defense Securite | Capteur a accelerometre pendulaire electrostatique et procede de commande d'un tel capteur |
FR3005165B1 (fr) * | 2013-04-26 | 2015-04-24 | Sagem Defense Securite | Dispositif d'acquisition differentielle de courant et procede de commande d'un tel dispositif d'acquisition |
FR3105428B1 (fr) * | 2019-12-20 | 2021-11-26 | Safran Electronics & Defense | Capteur accélérométrique pendulaire à détection capacitive conditionnelle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3229530A (en) * | 1960-12-12 | 1966-01-18 | North American Aviation Inc | Accelerometer |
FR1535985A (fr) * | 1966-10-03 | 1968-08-09 | Gen Precision Inc | Accéléromètre sous miniaturisé, à un seul axe |
US3742347A (en) * | 1971-08-25 | 1973-06-26 | Atomic Energy Authority Uk | Shaft movement differential pressure measuring apparatus embodying capacitive transducers |
US3877313A (en) * | 1973-07-23 | 1975-04-15 | Singer Co | Electrostatic accelerometer |
US4043204A (en) * | 1976-08-16 | 1977-08-23 | The United States Of America As Represented By The Secretary Of The Army | Magnetic fluid bearing accelerometer |
US4102202A (en) * | 1976-11-26 | 1978-07-25 | The Singer Company | Electrostatic accelerometer |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3209601A (en) * | 1962-08-16 | 1965-10-05 | Gen Precision Inc | Quartz accelerometer |
US3673873A (en) * | 1969-10-23 | 1972-07-04 | North American Rockwell | Sensing instrument having a cantilevered proof mass |
DE2326233C2 (de) * | 1973-05-23 | 1986-02-06 | Hans-Werner Dr.-Ing. 6382 Friedrichsdorf Fischer | Verfahren zur Linearisierung der selbsttätigen elektrostatischen Kraftkompensation |
CH588069A5 (fr) * | 1975-02-27 | 1977-05-31 | Wyler Ag | |
US4009607A (en) * | 1975-12-24 | 1977-03-01 | The Bendix Corporation | Force measuring system including combined electrostatic sensing and torquing means |
-
1979
- 1979-04-11 FR FR7909213A patent/FR2454103A1/fr active Granted
-
1980
- 1980-04-09 US US06/138,731 patent/US4345474A/en not_active Expired - Lifetime
- 1980-04-10 GB GB8011897A patent/GB2047902B/en not_active Expired
- 1980-04-10 IT IT21302/80A patent/IT1140852B/it active
- 1980-04-11 CA CA349,629A patent/CA1131930A/fr not_active Expired
- 1980-04-11 DE DE3014038A patent/DE3014038C2/de not_active Expired
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3229530A (en) * | 1960-12-12 | 1966-01-18 | North American Aviation Inc | Accelerometer |
FR1535985A (fr) * | 1966-10-03 | 1968-08-09 | Gen Precision Inc | Accéléromètre sous miniaturisé, à un seul axe |
US3742347A (en) * | 1971-08-25 | 1973-06-26 | Atomic Energy Authority Uk | Shaft movement differential pressure measuring apparatus embodying capacitive transducers |
US3877313A (en) * | 1973-07-23 | 1975-04-15 | Singer Co | Electrostatic accelerometer |
US4043204A (en) * | 1976-08-16 | 1977-08-23 | The United States Of America As Represented By The Secretary Of The Army | Magnetic fluid bearing accelerometer |
US4102202A (en) * | 1976-11-26 | 1978-07-25 | The Singer Company | Electrostatic accelerometer |
Non-Patent Citations (1)
Title |
---|
EXBK/68 * |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2496894A1 (fr) * | 1980-12-18 | 1982-06-25 | Singer Co | Circuit de commande d'un accelerometre electrostatique |
FR2585474A1 (fr) * | 1985-07-25 | 1987-01-30 | Litton Systems Inc | Accelerometre integre a compensation de forces |
FR2592491A1 (fr) * | 1985-12-31 | 1987-07-03 | Onera (Off Nat Aerospatiale) | Accelerometre triaxial electrostatique avec double liaison electrique a la masse d'epreuve |
EP0230198A3 (en) * | 1985-12-31 | 1987-08-05 | Office National D'etudes Et De Recherches Aerospatiales(O.N.E.R.A.) | Triaxial electrostatic accelerometer with dual electrical connection to its test weight |
EP0385917A1 (fr) * | 1989-02-28 | 1990-09-05 | United Technologies Corporation | Accéléromètre à rééquilibrage par impulsions |
FR2724463A1 (fr) * | 1994-09-12 | 1996-03-15 | Sagem | Procede de mesure d'une acceleration par un capteur a armature mobile et capteur d'acceleration pour mettre en oeuvre le procede |
Also Published As
Publication number | Publication date |
---|---|
CA1131930A (fr) | 1982-09-21 |
US4345474A (en) | 1982-08-24 |
DE3014038A1 (de) | 1980-10-23 |
IT1140852B (it) | 1986-10-10 |
FR2454103B1 (fr) | 1982-06-18 |
GB2047902B (en) | 1983-09-28 |
GB2047902A (en) | 1980-12-03 |
DE3014038C2 (de) | 1986-09-25 |
IT8021302A0 (it) | 1980-04-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2454103A1 (fr) | Perfectionnements aux accelerometres pendulaires asservis | |
JPS6429775A (en) | Pendulum type accelerometer and manufacture thereof | |
JPS5354363A (en) | Dynamic thick medium separator | |
ES8302397A1 (es) | Un transductor de electreto de aplicacion particular en un auricular | |
AU503297B2 (en) | Electrostatic precipitator | |
AU511473B2 (en) | Polyurethane-urea elastomer | |
GB1536017A (en) | Device for measuring gravitational and inertial forces | |
AU2885877A (en) | Suspension for balancing machines | |
AU501981B2 (en) | Accelerometer with vibrating member | |
CA2190608A1 (fr) | Instrument numerique a balance de forces | |
AU2689777A (en) | Vibrator with eccentric weights | |
SU604058A1 (ru) | Вибродвигатель вращательного движени | |
AU504541B2 (en) | Traction bogie | |
AU498608B2 (en) | Accelerometers | |
SU666482A1 (ru) | Угловой акселерометр | |
GB1201755A (en) | Axle load measurement | |
AU511226B2 (en) | Rail vehicle suspension | |
SU625165A1 (ru) | Балансировочный элемент углового акселерометра | |
SU650650A2 (ru) | Элеваторное колесо | |
CA1022390A (fr) | Sommier de bogie a suspension elastomerique lamellee | |
SU573629A1 (ru) | Упруга опора | |
SU641975A1 (ru) | Балансирующа игрушка | |
NZ183808A (en) | Single disc refiner with two frame parts one of which contains a pressure proof housing | |
SU643856A1 (ru) | Стабилизатор переменного напр жени | |
EP0319137A3 (en) | Ionically conductive accelerometer |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |