Journal ArticleDOI
Automotive torque measurement: A summary of seven different methods
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TLDR
In this paper, various methods of torque measurement which are utilized in the automotive industry are reviewed, starting with the most frequently used types and continuing to less frequently used methods, and performance limitations for each method are summarized.Abstract:
Various methods of torque measurement which are utilized in the automotive industry are reviewed. Seven methods are described in order of usage, starting with the most frequently used types and continuing to less frequently used types of torque measurement. Performance limitations for each method of torque measurement also are summarized.read more
Citations
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Journal ArticleDOI
Estimate of indicated torque from crankshaft speed fluctuations: a model for the dynamics of the IC engine
TL;DR: In this paper, a robust submodel is formulated for the dynamics of the IC engine, where-in the engine is viewed as a system with input given by cylinder pressure and output corresponding to crankshaft angular acceleration and crankshft torque.
Patent
Magnetoelastic torque transducer
TL;DR: A magnetoelastic torque transducer for providing an electrical signal indicative of the torque applied to a member, the member including ferromagnetic, magnetostrictive means affixed to, associated with or forming a part of the surface of the torqued member for altering in magnetic permeability in response to the application of torque to the member.
Journal ArticleDOI
The design of a test rig and study of the performance and efficiency of a Tesla disc turbine
G P Hoya,Abhijit Guha +1 more
TL;DR: In this paper, a flexible test rig for measuring output torque and power in a Tesla turbine has been described, and a new simple method, the angular acceleration method, has been developed to overcome the difficulties associated with the determination of very low torque at very high angular speed.
Patent
Magnetoelastic torque tool
TL;DR: In this article, a hand tool for applying torque to a fastener includes a portion for engaging the fastener, a handle to which torque is hand-applied and a torque carrying member operatively coupled with the handle and fastener-engaging portion.
Patent
Torque sensor for internal-combustion engine
Ira W. Kay,Ronald P. C. Lehrach +1 more
TL;DR: In this article, a method and apparatus for providing a signal representative of the output torque of an internal combustion engine utilizes a correlation of average engine speed and variations in instantaneous sub-cyclic engine speed.
References
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Proceedings ArticleDOI
On the design of electronic automotive engine controls using linear quadratic control theory
TL;DR: Simulation results indicate that the application of linear quadratic optimal control theory to the design of electronic automotive engine controls has better engine torque and speed responses to driver commands and suggests the possibility of improved vehicular driveability.
Journal ArticleDOI
Industrial Torque Measurement Using Magneto-Strictive Torquemeters
Thomas H. Barton,Lloyd Solar +1 more
TL;DR: A magneto-strictive torque transducer comprises a length, of the order of 6 inches, of solid or hollow shaft of ferro-magnetic material equipped with magnetization and signal pickup windings as mentioned in this paper.
Journal ArticleDOI
New Optical Torque Transducer and Dynamometer
C.E. Johnson,R.D. Foskett +1 more
TL;DR: Most torque measuring transducers develop an electrical output signal proportional to the twisting of an accurately machined and calibrated seciton of shaft known as a torque bar, Fig. 1 as discussed by the authors, and
Proceedings ArticleDOI
Noncontacting Torquemeters Utilizing Magneto-Elastic Properties of Steel Shafts
TL;DR: In this paper, the Torductor® torquemeter has been used for low-speed industrial applications, where the magneto-elastic property of steel shafts makes noncontacting torquementers possible.
Journal ArticleDOI
A Torque Transducer System for Observing, Recording, and Controlling
TL;DR: In this paper, a torque transducer system is described, which measures the force of reaction on the stationary member of a rotating machine delivering or receiving power, and is used as a sub-base in setting up the machine whose torque is to be measured.