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Development of a Light Duty Truck Electronic-Based Climate Control HVAC System
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English
Abstract
Typically, light duty truck HVAC systems are controlled by mechanical-vacuum actuation. The 1988 GM full-size pickup truck utilizes a unique electronic-based HVAC system control. Development of the system included identification of HVAC system control parameters, implementation of the system control through laboratory and road testing, and final delivery of a system with control features that were totally commercial.
Although the developed system does not allow for complete automatic climate control, it does allow the system to select the air supply mode automatically. This feature is known as the passive air inlet. Other electronic-based system controls include system linearity, system mode selection, system speed selection, and the potential for system diagnostics. Together, the electronic-based control and integrated system components offer the customer a state of the art HVAC system for light duty trucks.
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Citation
Orlando, R. and Truong, T., "Development of a Light Duty Truck Electronic-Based Climate Control HVAC System," SAE Technical Paper 880051, 1988, https://doi.org/10.4271/880051.Also In
References
- Guist, L Goodman, H. “Analysis of Air Inlet Control Variables,” HRD/GMC Interoffice correspondence October 1983
- Cuffe, K. W. “Air Conditioning and Heating Systems for Trucks.” SAE Paper SP-425
- Texas Instruments TMS 7000 Family Data Manual. No. SND0013 2 6