FORCE FEEDBACK SURFACE FORCE APPARATUS - PRINCIPLES OF OPERATION

被引:32
作者
STEWART, AM
PARKER, JL
机构
[1] Department of Applied Mathematics, Research School of Physical Sciences and Engineering, Australian National University, Canberra, ACT 2601
关键词
D O I
10.1063/1.1143392
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
The principles of operation of a force feedback surface force apparatus are described. A magnetic force transducer and a bimorph displacement sensor are connected in a servo loop. The dynamic behavior of the system is analyzed and the effect of eddy currents on the frequency response of the magnetic field is discussed. The apparatus has several advantages over more traditional force measuring techniques. Cantilever instability associated with the measurement of attractive forces is reduced and the apparatus may be used for hydrodynamic measurements. A resonance technique for measuring the spring constant is also described.
引用
收藏
页码:5626 / 5633
页数:8
相关论文
共 18 条
[1]   THE DRAINAGE OF THIN LIQUID-FILMS BETWEEN SOLID-SURFACES [J].
CHAN, DYC ;
HORN, RG .
JOURNAL OF CHEMICAL PHYSICS, 1985, 83 (10) :5311-5324
[2]   SOLVATION FORCES AND PHASE-SEPARATION OF WATER IN A THIN-FILM OF NONPOLAR LIQUID BETWEEN MICA SURFACES [J].
CHRISTENSON, HK ;
BLOM, CE .
JOURNAL OF CHEMICAL PHYSICS, 1987, 86 (01) :419-424
[3]   DIRECT MEASUREMENT OF MOLECULAR FORCES [J].
DERJAGUIN, BV ;
RABINOVICH, YI ;
CHURAEV, NV .
NATURE, 1978, 272 (5651) :313-318
[4]   DIRECT MEASUREMENT OF THE SHORT-RANGE INTERACTION BETWEEN A TUNGSTEN TIP AND A MICA SURFACE [J].
GAUTHIERMANUEL, B .
EUROPHYSICS LETTERS, 1992, 17 (03) :195-200
[5]   DIRECT MEASUREMENT OF STRUCTURAL FORCES BETWEEN 2 SURFACES IN A NON-POLAR LIQUID [J].
HORN, RG ;
ISRAELACHVILI, JN .
JOURNAL OF CHEMICAL PHYSICS, 1981, 75 (03) :1400-1411
[6]   THIN-FILM STUDIES USING MULTIPLE-BEAM INTERFEROMETRY [J].
ISRAELAC.JN .
JOURNAL OF COLLOID AND INTERFACE SCIENCE, 1973, 44 (02) :259-272
[7]   MEASUREMENT OF FORCES BETWEEN 2 MICA SURFACES IN AQUEOUS-ELECTROLYTE SOLUTIONS IN RANGE 0-100 NM [J].
ISRAELACHVILI, JN ;
ADAMS, GE .
JOURNAL OF THE CHEMICAL SOCIETY-FARADAY TRANSACTIONS I, 1978, 74 :975-&
[8]   MEASUREMENTS OF DYNAMIC INTERACTIONS IN THIN-FILMS OF POLYMER MELTS - THE TRANSITION FROM SIMPLE TO COMPLEX BEHAVIOR [J].
ISRAELACHVILI, JN ;
KOTT, SJ ;
FETTERS, LJ .
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS, 1989, 27 (03) :489-502
[9]   A NEW FORCE SENSOR INCORPORATING FORCE-FEEDBACK CONTROL FOR INTERFACIAL FORCE MICROSCOPY [J].
JOYCE, SA ;
HOUSTON, JE .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1991, 62 (03) :710-715
[10]   A ROCKING BEAM ELECTROSTATIC BALANCE FOR THE MEASUREMENT OF SMALL FORCES [J].
MILLER, GL ;
GRIFFITH, JE ;
WAGNER, ER ;
GRIGG, DA .
REVIEW OF SCIENTIFIC INSTRUMENTS, 1991, 62 (03) :705-709