# US 8,786,116 B2 · Vehicle control device and diesel hybrid vehicle system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,116 B2 - Document ID: US8786116B2 - Status: Granted - Kind: B2 - Application number: 13/817,391 - Filed: 2010-08-26 - Published: 2013-06-20 - Granted: 2014-07-22 - Earliest claimed: 2010-08-26 - Assignees: Mitsubishi Electric Corporation - Applicants: Keita Hatanaka; Takafumi Maruyama - Inventors: Keita Hatanaka; Takafumi Maruyama - Web page: https://patentgrep.com/patent/US8786116B2 ## CPC - B60L 50/15: with additional electric power supply (with capacitors charged by engine-driven generators B60L50/40; with batteries charged by engine-driven generators B60L50/61) - B60K 6/34: characterised by the absence of energy storing means - B60K 6/46: Series type - B60L 3/003: {relating to inverters} - B60L 3/0092: {with use of redundant elements for safety purposes} - B60L 15/007: {Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles} - B60W 10/08: including control of electric propulsion units, e.g. motors or generators - B60W 10/26: for electrical energy, e.g. batteries or capacitors - B60W 20/00: Control systems specially adapted for hybrid vehicles {(hybrid vehicle design, B60K6/00; electric vehicles B60L)} - B60W 20/50: Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode - Y02T 10/62: Hybrid vehicles - Y02T 10/64: Electric machine technologies in electromobility - B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - B60W: CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A vehicle control device includes a diesel engine, a motor configured to drive a vehicle, a generator configured to generate alternating-current power with an output of the diesel engine, a power storage device configured to charge and discharge direct-current power, a converter configured to convert the alternating-current power generated by the generator into direct-current power and output the direct-current power, and an inverter configured to convert the direct-current power discharged by the power storage device or the direct-current power output by the converter to drive the motor. The converter operates as an inverter during a breakdown of the inverter and drives the motor. ## Claims ### Claim 1 A vehicle control device comprising: a converter configured to receive, from an alternating-current end side, input of alternating-current power generated by a generator, convert the alternating-current power into direct-current power, and output the direct-current power from a direct-current end side, the generator generating the alternating-current power with an output of a diesel engine; a first inverter configured to receive, from a direct-current end side, input of direct-current power discharged by a power storage device or the direct-current power output by the converter, convert the direct-current power into alternating-current power, and output the alternating-current power from an alternating-current end side to a motor that drives a vehicle, the power storage device charging and discharging the direct-current power; a second inverter configured to receive, from a direct-current end side, input of the direct-current power discharged by the power storage device or the direct-current power output by the converter, convert the direct-current power into alternating-current power, output the alternating-current power from an alternating-current end side, and supply the alternating-current power to an auxiliary machine; a first switcher including a function of connecting the generator and the alternating-current end side of the converter, a function of connecting a connection destination of the alternating-current end side of the converter to the motor or the auxiliary machine, and a function of connecting a connection destination of the generator to the motor or the auxiliary machine; a second switcher including a function of connecting the alternating-current end side of the first inverter and the motor, a function of connecting the alternating-current side of the second inverter and the auxiliary machine, a function of connecting a connection destination of the motor to the first switcher, a function of connecting a connection destination of the alternating-current end side of the second inverter to the first switcher, a function of connecting the connection destination of the second inverter connected to the auxiliary machine to the motor, a function of connecting a connection destination of the auxiliary machine to the first switcher, a function of connecting a connection destination of the alternating-current end side of the first inverter to the first switcher, and a function of connecting the connection destination of the alternating-current end side of the first inverter to the auxiliary machine; and a control unit configured to control operations of the converter, the first inverter, and the second inverter and the first and second switchers, wherein when the diesel engine is being started up and when the converter and the first inverter are broken down or when the converter and the second inverter are broken down, the control unit performs control for controlling the first and second switchers, switching a connection destination of the generator connected to the alternating-current end side of the converter from the converter to the motor via the first and second switchers, controlling number of revolutions of the diesel engine, and controlling the alternating-current power generated by the generator to desired alternating-current power to drive the motor. ### Claim 2 (depends on 1) The vehicle control device according to claim 1, wherein, when first inverter is broken down, the control unit controls the first and second switchers, switches the connection destination of the generator from the motor to the alternating-current end side of the second inverter, causes the second inverter to operate as a converter, and converts the alternating-current power generated by the generator into direct-current power to charge the power storage device. ### Claim 3 (depends on 1) The vehicle control device according to claim 1, wherein, when second inverter is broken down, the control unit controls the first and second switchers, switches the connection destination of the generator from the motor to the alternating-current end side of the first inverter, causes the first inverter to operate as a converter, and converts the alternating-current power generated by the generator into direct-current power to charge the power storage device. ### Claim 4 (depends on 2) The vehicle control device according to claim 2, wherein, when first inverter is broken down, the control unit performs control for controlling the first and second switchers, switching the connection destination of the alternating-current end side of the second inverter from the auxiliary machine to the motor, causing the second inverter to operate, converting the direct-current power discharged by the power storage device into alternating-current power, and supplying the alternating-current power to the motor. ### Claim 5 (depends on 3) The vehicle control device according to claim 3, wherein, when second inverter is broken down, the control unit performs control for controlling the first and second switchers, switching the connection destination of the alternating-current end side of the first inverter from the motor to the auxiliary machine, causing the first inverter to operate, converting the direct-current power discharged by the power storage device into alternating-current power, and supplying the alternating-current power to the motor. ### Claim 6 (depends on 2) The vehicle control device according to claim 2, wherein, when the diesel engine is being started up and during a breakdown of the first inverter and when the second inverter is broken down and the second inverter is driving the motor, the control unit controls the first and second switchers, connects the generator to the motor, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the driving of the motor. ### Claim 7 (depends on 3) The vehicle control device according to claim 3, wherein, when the diesel engine is being started up and during a breakdown of the second inverter and when the first inverter is broken down and the first inverter is supplying alternating-current power to the auxiliary machine, the control unit controls the first and second switchers, connects the generator to the auxiliary machine, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the power supply to the auxiliary machine. ### Claim 8 (depends on 2) The vehicle control device according to claim 2, wherein, when the diesel engine is being started up and during a breakdown of the first inverter and when the second inverter is broken down and the second inverter is supplying alternating-current power to the auxiliary machine, the control unit controls the first and second switchers, connects the generator to the auxiliary machine, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the power supply to the auxiliary machine. ### Claim 9 (depends on 3) The vehicle control device according to claim 3, wherein, when the diesel engine is being started up and during a breakdown of the second inverter and when the first inverter is broken down and the first inverter is driving the motor, the control unit controls the first and second switchers, connects the generator to the motor, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the driving of the motor. ### Claim 10 A vehicle control device comprising: a converter configured to receive, from an alternating-current end side, input of alternating-current power generated by a generator, convert the alternating-current power into direct-current power, and output the direct-current power from a direct-current end side, the generator generating the alternating-current power with an output of a diesel engine; a first inverter configured to receive, from a direct-current end side, input of direct-current power discharged by a power storage device or the direct-current power output by the converter, convert the direct-current power into alternating-current power, and output the alternating-current power from an alternating-current end side to a motor that drives a vehicle, the power storage device charging and discharging the direct-current power; a second inverter configured to receive, from a direct-current end side, input of the direct-current power discharged by the power storage device or the direct-current power output by the converter, convert the direct-current power into alternating-current power, output the alternating-current power from an alternating-current end side, and supply the alternating-current power to an auxiliary machine; a first switcher including a function of connecting the generator and the alternating-current end side of the converter, a function of connecting a connection destination of the alternating-current end side of the converter to the motor or the auxiliary machine, and a function of connecting a connection destination of the generator to the motor or the auxiliary machine; a second switcher including a function of connecting the alternating-current end side of the first inverter and the motor, a function of connecting the alternating-current side of the second inverter and the auxiliary machine, a function of connecting a connection destination of the motor to the first switcher, a function of connecting a connection destination of the alternating-current end side of the second inverter to the first switcher, a function of connecting the connection destination of the second inverter connected to the auxiliary machine to the motor, a function of connecting a connection destination of the auxiliary machine to the first switcher, a function of connecting a connection destination of the alternating-current end side of the first inverter to the first switcher, and a function of connecting the connection destination of the alternating-current end side of the first inverter to the auxiliary machine; and a control unit configured to control operations of the converter, the first inverter, and the second inverter and the first and second switchers, wherein when the diesel engine is being started up, the control unit control, when the converter and the first inverter are broken down or when the converter and the second inverter are broken down, the first and second switchers, switches a connection destination of the generator connected to the alternating-current end side of the converter from the converter to the auxiliary machine via the first and second switchers, controls number of revolutions of the diesel engine, and controls the alternating-current power generated by the generator to desired alternating-current power to cause the auxiliary machine to operate. ### Claim 11 (depends on 10) The vehicle control device according to claim 10, wherein, when first inverter is broken down, the control unit controls the first and second switchers, switches the connection destination of the generator from the motor to the alternating-current end side of the second inverter, causes the second inverter to operate as a converter, and converts the alternating-current power generated by the generator into direct-current power to charge the power storage device. ### Claim 12 (depends on 10) The vehicle control device according to claim 10, wherein, when second inverter is broken down, the control unit controls the first and second switchers, switches the connection destination of the generator from the motor to the alternating-current end side of the first inverter, causes the first inverter to operate as a converter, and converts the alternating-current power generated by the generator into direct-current power to charge the power storage device. ### Claim 13 (depends on 11) The vehicle control device according to claim 11, wherein, when first inverter is broken down, the control unit performs control for controlling the first and second switchers, switching the connection destination of the alternating-current end side of the second inverter from the auxiliary machine to the motor, causing the second inverter to operate, converting the direct-current power discharged by the power storage device into alternating-current power, and supplying the alternating-current power to the motor. ### Claim 14 (depends on 12) The vehicle control device according to claim 12, wherein, when second inverter is broken down, the control unit performs control for controlling the first and second switchers, switching the connection destination of the alternating-current end side of the first inverter from the motor to the auxiliary machine, causing the first inverter to operate, converting the direct-current power discharged by the power storage device into alternating-current power, and supplying the alternating-current power to the motor. ### Claim 15 (depends on 11) The vehicle control device according to claim 11, wherein, when the diesel engine is being started up and during a breakdown of the first inverter and when the second inverter is broken down and the second inverter is driving the motor, the control unit controls the first and second switchers, connects the generator to the motor, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the driving of the motor. ### Claim 16 (depends on 12) The vehicle control device according to claim 12, wherein, when the diesel engine is being started up and during a breakdown of the second inverter and when the first inverter is broken down and the first inverter is supplying alternating-current power to the auxiliary machine, the control unit controls the first and second switchers, connects the generator to the auxiliary machine, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the power supply to the auxiliary machine. ### Claim 17 (depends on 11) The vehicle control device according to claim 11, wherein, when the diesel engine is being started up and during a breakdown of the first inverter and when the second inverter is broken down and the second inverter is supplying alternating-current power to the auxiliary machine, the control unit controls the first and second switchers, connects the generator to the auxiliary machine, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the power supply to the auxiliary machine. ### Claim 18 (depends on 12) The vehicle control device according to claim 12, wherein, when the diesel engine is being started up and during a breakdown of the second inverter and when the first inverter is broken down and the first inverter is driving the motor, the control unit controls the first and second switchers, connects the generator to the motor, controls number of revolutions of the diesel engine, controls the alternating-current power generated by the generator to desired alternating-current power, and continues the driving of the motor. ### Claim 19 A diesel hybrid vehicle system comprising: a diesel engine; a motor configured to drive a vehicle; a generator configured to generate alternating-current power with an output of the diesel engine; a power storage device configured to charge and discharge direct-current power; a converter configured to receive, from an alternating-current end side, input of alternating-current power generated by a generator, convert the alternating-current power into direct-current power, and output the direct-current power from a direct-current end side; a first inverter configured to receive, from a direct-current end side, input of direct-current power discharged by the power storage device or the direct-current power output by the converter, convert the direct-current power into alternating-current power, and output the alternating-current power from an alternating-current end side to a motor that drives a vehicle; a second inverter configured to receive, from a direct-current end side, input of the direct-current power discharged by the power storage device or the direct-current power output by the converter, convert the direct-current power into alternating-current power, output the alternating-current power from an alternating-current end side, and supply the alternating-current power to an auxiliary machine; a first switcher including a function of connecting the generator and the alternating-current end side of the converter, a function of connecting a connection destination of the alternating-current end side of the converter to the motor or the auxiliary machine, and a function of connecting a connection destination of the generator to the motor or the auxiliary machine; a second switcher including a function of connecting the alternating-current end side of the first inverter and the motor, a function of connecting the alternating-current side of the second inverter and the auxiliary machine, a function of connecting a connection destination of the motor to the first switcher, a function of connecting a connection destination of the alternating-current end side of the second inverter to the first switcher, a function of connecting the connection destination of the second inverter connected to the auxiliary machine to the motor, a function of connecting a connection destination of the auxiliary machine to the first switcher, a function of connecting a connection destination of the alternating-current end side of the first inverter to the first switcher, and a function of connecting the connection destination of the alternating-current end side of the first inverter to the auxiliary machine; and a control unit configured to control operations of the converter, the first inverter, and the second inverter and the first and second switchers, wherein when the diesel engine is being started up and when the converter and the first inverter are broken down or when the converter and the second inverter are broken down, the control unit performs control for controlling the first and second switchers, switching a connection destination of the generator connected to the alternating-current end side of the converter from the converter to the motor via the first and second switchers, controlling number of revolutions of the diesel engine, and controlling the alternating-current power generated by the generator to desired alternating-current power to drive the motor.