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The introduction of the control system of electric car brake system, power system and so on.
Add Time£º[2018-02-25 17:08:16]   Hits£º143    Print  Close

 1. Suspension adjustment and control.

Electric flat car leveling and elevator control due to the fundamental function of platform car suspension leveling system and key technologies of the primary contains support party type selection and planning, leveling technology, and pipeline explosion protection technology.When the road surface to present a one-way or two-way cross slope and uneven, hydraulic suspension and axle can be provided by the suspension hydraulic cylinder counter or swing, this will beg the vehicle has a single set of independent suspension lift function [13].After the suspension of the hydraulic cylinder of the synchronous rise or fall, the complete vehicle can be leveled off.From the load weight is large, in order to ensure the vehicle safety operation, the suspension of hydraulic hose fittings and a high performance request, also add safety measures for hydraulic hose split up, but after a hose explosion-proof valve is added in the suspension line to complete.
2. Synchronous control of modular combination.
When transporting object size is too large, irregular shape or component beyond a single platform car bearing ability, in order to ensure the safe transport of the objects can be more flat car longitudinal splicing or transverse splices, and it.s request multiple platform car insist on synchronous operation.The combination of flat-plate car can be mechanically rigid and can be operated by a manipulator to control the soft connection of the platform car.At present, the mechanical rigid jointing combination is adopted in China, and the soft connection mode is still to be further discussed.Introduction reading, electric flat car construction and features introduction.
3. Hydraulic drive control.
The driving system of electric flat car is the closed system of variable pump drive variable motor.The key technologies of the driving system include parameter matching of hydraulic system and mechanical system, differential control and differential control, overall power matching, power limit load control and so on.The active shunt characteristic of the closed system can better deal with the difference of transport vehicle.
Select the limiting valve, the shunt valve, the bypass valve or change the displacement of the motor displacement to deal with the difference.If the engine due to overload stall, the control pressure is reduced, the motor displacement increases, the engine will not due to live load and flameout, likewise, cut down the displacement of pump makes the engine can be normal operation, and then complete the limit load control [8].The overall power matching Is a British Norman filter sensor check the hydraulic system and engine operating conditions, control device controlled hydraulic pump and motor displacement respectively, share structure into electro-hydraulic power matching control system.
4. Steering coordination.
In order to satisfy the different working conditions, the flat car needs to complete a variety of steering forms, such as straight line, oblique line, ramp-up, wagging tail and base reversal [9].In the steering process, each wheel group is requested to reverse according to the predetermined view point, otherwise the wheel will not be able to walk in the driving process.Steering system master node is the basic control idea of the first control signal collection, identification to form, and then through the CAN bus to the I/O nodes sending output instruction, and manipulation of the steering cylinder dynamic steering wheel group and the control process cycle, until each wheel to turn to the condition of the hope corner or job change [10-12].The key of the steering control system is the complete and real-time steering of the steering wheel.
Keyword:electric car brake system
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