Results 151 to 160 of about 11,368,013 (189)

A Study on Clamping Force Control in Pulley of CVT for Fuel Efficiency

SAE Technical Paper Series, 2014
<div class="section abstract"><div class="htmlview paragraph">In CVT, it is essential to optimize Clamping Force in Pulley to improve fuel efficiency. Clamping force in pulley is shaft force to control primary pulley and secondary pulley. It is determined by pulley ratio, input engine torque in CVT and safety factor for protecting belt slip.
HoYoung Lee, TaeHee Cho, Chan-Hee Won, Byoungkee Kim   +3 more
openaire   +1 more source

Hybrid force-position control of clamping with a piezo-stepper

IEEE Control Systems, 1999
The demands concerning shape accuracy, surface roughness, and subsurface damage on machined parts are continuously increasing. Traditionally, the production process of accurate and smooth surfaces consists of some roughing steps, like turning, and subsequent finishing steps, like polishing or precision grinding.
openaire   +1 more source

Prediction of Optimal Clamping Force for Controlling an Intelligent Fixturing System

Manufacturing Science and Engineering, 1998
Abstract This paper presents an Intelligent Fixturing System (IFS) which can adaptively adjust the clamping intensities to achieve minimum deformation of the workpiece according to the cutter position and the cutting forces during the entire machining process.
Yunfeng Wang, Jerry Y. H. Fuh, Yoke San Wong   +2 more
openaire   +1 more source

Novel clamping force control for electric parking brake systems

Mechatronics, 2011
Abstract In this paper, we present a novel control method with clamping force estimation for an electric parking brake system. This simple control structure can be implemented at low cost as it does not require a clamping force sensor. The characteristic curve is conventionally used to estimate the clamping force through the angular displacement of ...
Young Ok Lee, Minseok Jang, Wongoo Lee, Choong Woo Lee, Chung Choo Chung, Young Seop Son   +5 more
openaire   +1 more source

Clamping Force Control for an Electric Parking Brake System: Switched System Approach

IEEE Transactions on Vehicular Technology, 2013
This paper addresses the modeling, controller design, and stability analysis of an electric parking brake system in which a screw-nut self-locking mechanism is used. The system is modeled as a state-dependent switched system according to the operating mode.
Young Ok Lee, Youngseop Son, Chung Choo Chung   +2 more
openaire   +2 more sources

Experimental study on control strategy of clamping force of pneumatic flexible finger

Proceedings 2011 International Conference on Transportation, Mechanical, and Electrical Engineering (TMEE), 2011
This paper has firstly designed a type of flexible finger based on the bidirectional active bending joint we have developed before; then we regard the finger as the actuator, and do the flexible clamping force experiments on the finger with loading the air pressure using the idea of the master-slave control based on computer; consequently, we acquire ...
null Zhang Jintao, null Geng Dexu, null Liu Xiaomin, null Li Tianxu, null Gao Xinghua, null Wu Guangbin   +5 more
openaire   +1 more source

The MRAC based clamping force control of the electro-mechanical braking device

2017 2nd IEEE International Conference on Intelligent Transportation Engineering (ICITE), 2017
A novel precise control method of clamping force is proposed for a new type of braking device, which is composed of a motor servo system and a mechanical transmission. Because of machining error, assembling error and friction force of mechanical transmission, a great deal of error exists in force transfer, which makes the champing force of the ...
Wu Mengling, Peng Shun, Chen Maolin
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Clamping force control of Sensor-less Electro-Mechanical brake actuator

2017 IEEE International Conference on Mechatronics and Automation (ICMA), 2017
The brake system plays an important role in vehicles. As the X-by-wire technology develops, Electro-Mechanical Braking system (EMB) can realize individual control of braking force on each wheel; which makes it very suitable for electric vehicles. This paper aims to investigate the clamping force control method for EMB actuator without force sensor. The
Zhen Wei, John Xu, Dunant Halim
openaire   +1 more source

Deformation control through fixture layout design and clamping force optimization

The International Journal of Advanced Manufacturing Technology, 2007
Workpiece deformation must be controlled in the numerical control machining process. Fixture layout and clamping force are two main aspects that influence the degree and distribution of machining deformation. In this paper, a multi-objective model was established to reduce the degree of deformation and to increase the distributing uniformity of ...
Weifang Chen, Lijun Ni, Jianbin Xue
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The Control Theory and Implementation Method of Clamping Force on Metal Belt CVT

2009 International Conference on Artificial Intelligence and Computational Intelligence, 2009
The model of speed ratio and clamping force upon driving and driven belt wheel in Continuously Variable Transmission (CVT) system is built in his paper, which is based on the structure of CVT and electro-hydraulic control scheme; according to the method of single-pressure hydraulic control circuit, the relationship between the pressure of driving and ...
Lei Zhang, Huiwu Li, Guoning Li
openaire   +1 more source