Abstract: A drive system for a machine is disclosed. The drive system may have an engine, a pump driven by the engine to pressurize fluid, a motor connected to the pump via an inlet passage and an outlet passage, and a traction device driven by the motor. The drive system may also have an operator input device movable from a neutral position through a range to a maximum displaced position to affect a speed of the engine, and a controller in communication with the input device and at least one of the pump and motor. The controller may be configured to gradually adjust a displacement of the at least one of the pump and motor to slow the traction device over a period of time after the operator input device is returned to the neutral position.

Abstract: A weight sensing system for a pneumatic compactor is provided. The weight sensing system includes a pressure sensor in communication with a pneumatic cylinder. The pressure sensor is configured to generate a signal indicative of a pressure exerted on the pneumatic cylinder. Further, a controller is communicably coupled to the pressure sensor. The controller is configured to receive the signal indicative of the pressure exerted on the pneumatic cylinder. The controller is also configured to determine a compaction weight of the pneumatic compactor based on the received signal, a weight distribution on the pneumatic compactor, and a fixed volume of the pneumatic cylinder.

Abstract: A weight sensing system for a pneumatic compactor is provided. The weight sensing system includes a pressure sensor in communication with a pneumatic cylinder. The pressure sensor is configured to generate a signal indicative of a pressure exerted on the pneumatic cylinder. Further, a controller is communicably coupled to the pressure sensor. The controller is configured to receive the signal indicative of the pressure exerted on the pneumatic cylinder. The controller is also configured to determine a compaction weight of the pneumatic compactor based on the received signal, a weight distribution on the pneumatic compactor, and a fixed volume of the pneumatic cylinder.

Abstract: A compactor includes a rotatable compacting element, and a dispensing mechanism for dispensing a liquid onto an outer surface of the compacting element to prevent sticking of paving material. The compactor further includes an electronic control mechanism configured to activate the dispensing mechanism, and further configured to deactivate the dispensing mechanism responsive to data indicating an extent of coverage of the outer surface with the liquid is sufficient. Related systems and methodology are also disclosed.

Abstract: A compactor includes a rotatable compacting element, and a dispensing mechanism for dispensing a liquid onto an outer surface of the compacting element to prevent sticking of paving material. The compactor further includes an electronic control mechanism configured to activate the dispensing mechanism, and further configured to deactivate the dispensing mechanism responsive to data indicating an extent of coverage of the outer surface with the liquid is sufficient. Related systems and methodology are also disclosed.

Abstract: A compactor includes a frame and a compacting element coupled to the frame. An edge wheel assembly is also coupled to the frame and is adjustable between a raised configuration and a lowered configuration at which an edge wheel contacts a substrate outboard of the compacting element. The compactor further includes a spray system for the edge wheel, and a control device in control communication with the spray system and configured to command activation of the spray system responsive to detecting lowering of the edge wheel.

Abstract: A compactor includes a frame and a compacting element coupled to the frame. An edge wheel assembly is also coupled to the frame and is adjustable between a raised configuration and a lowered configuration at which an edge wheel contacts a substrate outboard of the compacting element. The compactor further includes a spray system for the edge wheel, and a control device in control communication with the spray system and configured to command activation of the spray system responsive to detecting lowering of the edge wheel.

Abstract: A method for compacting a surface of granular materials is disclosed. The method is applicable to wheeled compaction equipment such as pneumatic-tire compactors, drum-type compactors and asphalt compactors. The propel system includes a controller programmed to send a first at least substantially constant propel command that propels the compaction equipment in a forward direction. The controller then changes the speed of the compaction equipment by providing a second varying propel command that may increase or decrease the speed resulting from the first command. As a result, the speed of the compaction equipment oscillates.

Abstract: A drive system for a machine is disclosed. The drive system may have an engine, a pump driven by the engine to pressurize fluid, a motor connected to the pump via an inlet passage and an outlet passage, and a traction device driven by the motor. The drive system may also have an operator input device movable from a neutral position through a range to a maximum displaced position to affect a speed of the engine, and a controller in communication with the input device and at least one of the pump and motor. The controller may be configured to gradually adjust a displacement of the at least one of the pump and motor to slow the traction device over a period of time after the operator input device is returned to the neutral position.

Abstract: A drive system for a mobile machine is disclosed. The drive system may have an engine-driven pump, and a motor connected to the pump. The drive system may also have a speed input to select a maximum allowable engine speed, a throttle input to indicate a desired speed of the engine as a function of the maximum allowable engine speed, a transmission input to select a desired transmission control setting, and a controller configured to selectively adjust operation of the engine based on the throttle input and to selectively limit the actual engine speed based on the maximum allowable speed. The controller may also select for use a particular relationship between the actual engine speed and a travel speed from a plurality of available relationships based on the desired transmission control setting, and selectively adjust displacements of the pump and motor based on the actual engine speed and the selected particular relationship.

Abstract: A method for compacting a surface of granular materials is disclosed. The method is applicable to wheeled compaction equipment such as pneumatic-tire compactors, drum-type compactors and asphalt compactors. The propel system includes a controller programmed to send a first at least substantially constant propel command that propels the compaction equipment in a forward direction. The controller then changes the speed of the compaction equipment by providing a second varying propel command that may increase or decrease the speed resulting from the first command. As a result, the speed of the compaction equipment oscillates, and the compaction process is improved.

Abstract: A modified hierarchical homogeneous real time transaction, consolidated auditing and side processing business system, operating under a system wide parameter control, processes and encapsulates each transaction as a plurality of parameter dominated records in an input terminal, transmitting the records to an attached controller at the end of the transaction. Parameters, required but not stored in the terminal, are requested from the attached controller and stored for the duration of the transaction. First level processors are provided with a tandem pair of facilities to trap, process and re-route system messages, all system interfaces being individually addressable. Additional force to interface paths are provided. Unit inputs incorporate parallel high speed buffers and a terminal record flushing mechanism is incorporated in each transaction terminal. The buffers, mechanisms, and critical registers have their own standby power supplies.