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Intelligent Linear Actuator
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English
Abstract
This paper describes a microcomputer-controlled hydraulic actuator designed with controllability, flexibility and ease-of-use as the fundamental goals. To achieve this, the electronics, valving, sensors and hydraulic cylinder are contained in a single, pre-engineered package. The embedded electronics provide complete closed-loop control of the actuator, including self-diagnostic capability and nonvolatile storage of application specific motion programs. Multiple actuators can be controlled via a serial communications bus to execute coordinated motions, or individual actuators can operate as stand-alone devices with simple on-off inputs to control their motion.
This self-contained motion control package is well suited for the new generation of increasingly automated mobile machinery.
Authors
Citation
Hartter, L., Kessler, J., Leemhuis, R., and Subbarao, V., "Intelligent Linear Actuator," SAE Technical Paper 911813, 1991, https://doi.org/10.4271/911813.Also In
Vehicle Hydraulic Systems and Digital/Electrohydraulic Controls
Number: SP-0882; Published: 1991-09-01
Number: SP-0882; Published: 1991-09-01
References
- Pollman, F. “Microcontrollers in Off-Highway Applications -- A Status Report,” International Off-Highway and Powerplant Congress and Exposition Milwaukee, Wisconsin September 12-15 1988 SAE Paper # 881277
- Berardinis, L. A. “Mechatronics: A New Design Strategy,” Machine Design April 26 1990
- Peussa P. “Configurable Controller,” Ninth Aachen Colloquinm on Fluid Power Technology Aachen, Germany March 20-23 1990
- Heyen, G. “Position Control with Low-Cost Proportional Valves -- Low Cost, High Accuracy, and Simple Application,” Second Tampere International Conference on Fluid Power Tampere University of Technology Finland March 19-21 1991